| FANUC CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20160141824 | GAS LASER APPARATUS CAPABLE OF INSPECTING AIR-TIGHTNESS OF LASER GAS SUPPLY PIPE - A gas laser apparatus includes a supply pipe forming a passage of laser gas supplied to a gas container from outside, a pressure sensor that detects pressure in the supply pipe, a supply control valve that controls an amount of the laser gas supplied to the gas container, and a controller that controls opening and closing of the supply control valve. The controller includes a pressure acquisition unit that acquires a pressure value in the supply pipe, a pressure change calculation unit that calculates a pressure change in the supply pipe based on the pressure values acquired by the pressure acquisition unit a plurality of times in a predetermined period of time while the supply pipe is sealed, and an air-tightness determination unit that determines an air-tightness level of the supply pipe on the basis of the pressure change calculated by the pressure change calculation unit. | 05-19-2016 |
| 20160141823 | LASER SYSTEM ABLE TO ESTIMATE HERMETIC SEAL OF LASER GAS CONTAINER - A laser system including a pressure adjusting part adjusting the laser gas pressure in the laser gas container, a pressure control unit controlling the pressure adjusting part so that before startup of the laser oscillator, the laser gas pressure becomes a first gas pressure lower than atmospheric pressure and so that at a preparatory stage after startup of the laser oscillator and before radiation of the laser light, the laser gas pressure becomes a second gas pressure capable of oscillating laser light, a laser control unit controlling the laser oscillator so that the laser oscillator executes an initial operation, a laser detector detecting the laser light output by the initial operation, and a hermetic seal estimating part estimating an extent of hermetic seal of the laser gas container based on a detection value obtained by the laser detector. | 05-19-2016 |
| 20160118761 | LASER OSCILLATOR FOR IMPROVING BEAM QUALITY - An output coupler and a rear mirror of a laser oscillator are made of materials having first reflectance and second reflectance with respect to laser beam. A first coating material that has reflectance higher than the first reflectance is coated at an inner side of a first circle of a first surface of the output coupler, and no coating material is coated at an outer side of the first circle. A second coating material that has reflectance higher than the second reflectance and higher than that of the first coating material is coated at an inner side of a second circle of a first surface of the rear mirror, and no coating material is coated at an outer side of the second circle. | 04-28-2016 |
| 20160114484 | SYSTEM, ROBOT AND ROBOT SYSTEM FOR DETECTING LOAD APPLIED TO ROBOT - A system which can improve the reliability of an emergency stop operation of a robot when contacting a worker. The system is comprised of a force sensor and a malfunction judgment part. The force sensor has a detection part which detects the load in one direction. The detection part includes a first detection element and a second detection element. The malfunction judgment part judges if a first detection value which is detected by the first detection element and a second detection value which is detected by the second detection element differ from each other. If the first detection value and the second detection value differ from each other, it is judged that the first detection element or second detection element have malfunctioned. | 04-28-2016 |
| 20160109683 | MOUNTING FIXTURE OF ELASTIC SEAL MEMBER - The mounting fixture of the present invention is used for mounting a ring-shaped elastic seal member between a ring-shaped side surface of an optical component and a holder which holds the optical component. The mounting fixture of the present invention has a first abutting surface which can abut against a top surface of the optical component which intersects the side surface, a projecting part which is arranged so as to surround the first abutting surface and which projects out from the first abutting surface in a direction vertical to the first abutting surface, and a second abutting surface which is provided at the front end of the projecting part and can abut against the elastic seal member. | 04-21-2016 |
| 20160103029 | DEVICE FOR CUTTING SUBSTRATE AND ROBOT - Provided is a cutting device that prevents a variation of shocks or impacts applied to a substrate during a cutting operation. The cutting device includes a pressing part; a cutting part disposed so as to move with respect to the pressing part so as to contact the substrate on an opposite side of the pressing part to thereby sandwich the substrate between the cutting part and the pressing part to shear the substrate; a first force generation part for generating pressing force to press the pressing part against the substrate; and a first adjustment part for adjusting the pressing force in response to the force applied from the substrate to the pressing part when the pressing part presses the substrate with the first force generation part. | 04-14-2016 |
| 20160101528 | JOINT STRUCTURE CAPABLE OF OPTIMIZING MARGIN OF LENGTH OF UMBILICAL MEMBER, AND INDUSTRIAL ROBOT HAVING THE JOINT STRUCTURE - A joint structure capable of optimizing a margin of length of an umbilical member corresponding to a motion range of a forearm, and an industrial robot having the joint structure. At an upper section (near the forearm) of an upper arm, a frame constituting the upper arm has an opening through which the umbilical member can be inserted, and the umbilical member | 04-14-2016 |
| 20160099534 | GAS LASER DEVICE HAVING FUNCTION FOR DISCRIMINATING TYPE OF ALARM - A gas laser device having a function for properly controlling the gas pressure of a laser oscillator after an alarm is generated. A controller of the laser device has an alarm monitoring part which monitors as to whether an alarm is generated in the oscillator, by which discharge in the oscillator should be stopped; an alarm judging part which discriminates a type of the alarm generated in the oscillator; a gas pressure controlling part which controls a pressure of laser gas within a discharge tube of the oscillator; and a power supply controlling part which controls a power supply of the oscillator. The gas pressure controlling part controls the pressure of the laser gas within the discharge tube to an appropriate value, after the alarm is generated, based on one of a plurality of control patterns predetermined corresponding to the respective types of the alarm. | 04-07-2016 |
| 20160096211 | CLEANING APPARATUS AND SYSTEM INCLUDING CLEANING APPARATUS - A cleaning apparatus includes: an accommodation unit that accommodates a cleaning cloth; a drawing-out unit that draws out the cleaning cloth; a cleaning clot setting mechanism unit including an ascend/descend member that ascends and descend together with the cleaning cloth drawn out by the drawing-out unit; and a projection unit that upwardly projects as far as a position between an ascended position and a descended position of the ascend/descend member. When the ascend/descend member is located at the ascended position, the cleaning cloth can be drawn out, and when the ascend/descend member is located at the descended position, the projection unit engages the cleaning cloth, and a robot causes an optical device to be pressed against the cleaning cloth engaged by the projection unit, thereby cleaning the optical device. | 04-07-2016 |
| 20160094004 | LASER OSCILLATOR FOR IMPROVING BEAM QUALITY - A laser oscillator includes a discharge tube having a discharge area in which laser gas is excited and an output coupler and a rear mirror respectively arranged at both sides of the discharge tube. A first coating material having first reflectance is stacked as a dielectric multilayer on a first area including a radial center portion of a surface of the output coupler, which faces the discharge area, and a second coating material having second reflectance higher than the first reflectance is stacked as a dielectric multilayer on a second area around the first area. | 03-31-2016 |
| 20160089749 | LASER PROCESSING APPARATUS CAPABLE OF INCREASING FOCUSED BEAM DIAMETER - A laser processing apparatus including a processing head and a light-focusing optical section for focusing a laser beam having a diffusion angle and enabling the laser beam having a convergent angle to be emitted from the processing head. The laser processing apparatus includes a transmissive optical member located upstream of the light-focusing optical section so as to transmit the laser beam while keeping the diffusion angle constant, or located downstream of the light-focusing optical section so as to transmit the laser beam while keeping the convergent angle constant. The transmissive optical member includes a focused-beam diameter increasing part for increasing a focused beam diameter of the laser beam transmitted through the focused-beam diameter increasing part, as compared to a focused beam diameter of the laser beam in a case where the laser beam is not transmitted through the focused-beam diameter increasing part but is focused by the light-focusing optical section. | 03-31-2016 |
| 20160082615 | DEVICE FOR RELEASING CATCH BETWEEN PRECUT SUBSTRATES, ROBOT, AND ROBOT SYSTEM THEREFOR - A device capable of separating a remnant from a product part irrespective of a shape of the remnant. The device includes a first attraction part which attracts a first part and is moved downward; a second attraction part provided movable relative to the first attraction part to attract a second part; a jig which comes into contact with a back surface of the second part to prevent the second part from moving downward; and further a position maintaining part which maintains a position of the second attraction part relative to the first attraction part when the first attraction part is moved downward to separate the first part from the second part. | 03-24-2016 |
| 20160075031 | ARTICLE PICKUP APPARATUS FOR PICKING UP RANDOMLY PILED ARTICLES - An article pickup apparatus according to the present invention is configured to control a robot or a hand in accordance with profile control when the hand holds an article so that an external force acting on the hand detected by a force sensor installed between an arm and the hand is closer to a target value of the external force set by a force target value setting unit. | 03-17-2016 |
| 20160070097 | PROCESSING SYSTEM WITH GALVANO SCANNER CAPABLE OF HIGH SPEED LASER SCANNING - A processing system comprising a laser beam source which generates a laser beam, a galvano scanner which comprises a mirror for reflecting the laser beam and a servo motor for rotating the mirror and which emits the laser beam to a workpiece, and an operation control device which controls the operation of the servo motor in accordance with a sinusoidal drive command. | 03-10-2016 |
| 20160068352 | ARTICLE CONVEYOR SYSTEM - An article conveyor system comprising a conveyor device which conveys a conveyance article in accordance with a command to convey the conveyance article to a target position on a workpiece, a visual detection device which has a camera device which is attached to the conveyor device so as to acquire an image which includes both of the conveyance article and the workpiece after conveyance by the conveyor device and analyzes the image acquired by the camera device to detect the respective positions of the conveyance article and the workpiece, and a judgment device which judges if a position of the conveyance article which has been detected by the visual detection device is located within a permission area which is set for the position of the workpiece. | 03-10-2016 |
| 20160067870 | UMBILICAL MEMBER CLAMPING DEVICE FOR CLAMPING UMBILICAL MEMBERS VIA ELASTIC BODY - An umbilical member clamping device includes a base member attached to a body of a robot, an elastic body provided so as to surround a periphery of an umbilical member bundle including umbilical members, a clamp member secured to the base member so as to press the umbilical member bundle to the base member via the elastic body, and an insert member inserted to a corner portion of a space which receives the umbilical member bundle and which is defined by the clamp member and the base member when the clamp member is secured to the base member. | 03-10-2016 |
| 20160062036 | LASER PROCESSING APPARATUS CAPABLE OF SWITCHING FIBER CORE - A laser processing apparatus of the present invention comprises a laser light source which generates laser light, a transmission part which transmits laser light generated by the laser light source, and a processing head which condenses laser light transmitted by the second transmission part to irradiate a workpiece. The transmission part has a plurality of fiber cores and uses any one of the fiber cores to transmit laser light to the processing head. Each fiber core has an emission end which faces the processing head and is fixedly arranged with respect to the processing head. The laser processing apparatus further comprises a switching part which switches the fiber core which actually transmits laser light to the processing head among the plurality of fiber cores. | 03-03-2016 |
| 20160060047 | ARTICLE SUPPLY DEVICE FOR INDIVIDUALLY SUPPLYING ARTICLES - An article supply device includes a storage unit in which a plurality of articles are stored, a supply path, a partition/passing-through member that forms a predetermined gap between a surface of the supply path and the partition/passing-through member, a driving unit that allows the supply path and the partition/passing-through member to relatively move each other, and a gas injection unit that injects gas to the articles on the supply path in at least one of the upstream and the downstream of the partition/passing-through member. | 03-03-2016 |
| 20160060045 | ARTICLE SUPPLY DEVICE FOR SUPPLYING ARTICLES ACCORDING TO TYPE - An article supply device includes a plurality of storage units in which a plurality of types of articles are respectively stored, a plurality of supply paths, a plurality of open/close stoppers that control the supply amounts of articles for each supply path, a plurality of partition/passing-through members that form gaps depending on the types of the articles, between the surfaces of the supply paths and the plurality of partition/passing-through members, and a driving unit that allows the supply paths and the partition/passing-through members to relatively move each other. | 03-03-2016 |
| 20160056602 | LASER OSCILLATOR PROVIDED WITH LASER MEDIUM FLOW PATH - A laser oscillator which can keep distributions of pressure of a laser medium inside of a plurality of discharge tubes constant while making the laser medium circulate without stagnating. The laser oscillator is comprised of a first discharge tube, second discharge tube, first light guide, laser medium flow path, and blower. A flow resistance of a laser medium flow path between the blower and the first discharge tube and a flow resistance of the laser medium flow path between the blower and second discharge tube are the same as each other. A flow resistance of the laser medium flow path between the blower and a first end of the first light guide and a flow resistance of the laser medium flow path between the blower and a second end of the first light guide differ from each other. | 02-25-2016 |
| 20160031077 | ROBOT CONTROLLER HAVING DETACHABLE TEACHING PENDANT - A robot controller for ensuring safety of an operator, which is capable of reducing operational cost by avoiding unnecessary emergency stop of a robot. A teaching pendant has an emergency stop button for interrupting drive power for the robot, and a main body of the controller has a signal part which receives an emergency stop signal from the teaching pendant when the emergency stop button is pushed, and a power interrupting part which interrupts the drive power for the robot when the signal part receives the emergency stop signal under a predetermined condition. Until a first predetermined period of time has passed after a connection/disconnection switch is operated, the power interrupting part does not interrupt the drive power when a connection-recognition signal representing that the teaching pendant is connected to the main body is not generated, even when the emergency stop signal is input from the teaching pendant. | 02-04-2016 |
| 20160027288 | ALARM DISPLAY SYSTEM USING NON-CONTACT TYPE IC TAG - An alarm display system includes: an IC tag storing ID information for identifying components of a control device; an IC tag reading part capable of reading the ID information stored in the IC tag in a non-contact manner; a storage part storing alarm handling information in association with alarm information for identifying a type of an alarm and the component related to the alarm; a handling information extracting part extracting, when an alarm is generated, alarm handling information related to the component which is identified by the ID information from the alarm handling information corresponding to the alarm based on the alarm information and the ID information read by the IC tag reading part; and a handling information display part displaying the alarm handling information extracted by the handling information extracting part. | 01-28-2016 |
| 20160023296 | DRESSING SYSTEM FOR ELECTRODE OF SPOT WELDING GUN - A dressing system that can appropriately control the dressing amount of the electrode of a spot welding gun so as to not excessively and insufficiently dress the electrode. The dressing system for dressing the electrode of the spot welding gun includes a cutter that dresses the electrode, a controller that controls the rotational operation of the cutter, and a measuring part that measures the dressing amount of the electrode. The controller determines the rotational speed of the cutter based on the dressing amount measured by the measuring part. | 01-28-2016 |
| 20160018810 | LASER PROCESSSING SYSTEM FOR PROCESSING WORKPIECE WITH LASER - A laser processing system that processes a workpiece with a laser includes a processing interruption unit that interrupts laser processing of the workpiece in accordance with an interruption signal, a processing resumption unit that resumes the laser processing of the workpiece after the interruption signal is cancelled, and an interruption point visualizer providing unit that provides the workpiece with an interruption point visualizer that allows an interruption point on the workpiece where the laser processing is interrupted by the processing interruption unit to be visually recognized. | 01-21-2016 |
| 20160006327 | ROTOR OF MOTOR WHICH USES MAGNETS | 01-07-2016 |
| 20160001983 | ARTICLE ALIGNMENT APPARATUS FOR ALIGNING ARTICLE ON CONVEYOR - An article alignment apparatus includes an interval setting unit configured to specify a distance between articles aligned along a movement direction of a conveyor, a movement amount acquisition unit configured to acquire a movement amount of a placement portion of the conveyor from a detector, a virtual target generation unit configured to generate a virtual target which serves as a reference in positioning the article on the placement portion, before a robot executes a placement operation of the article, and a placement operation execution unit configured to place the article within the virtual target by tracking the virtual target moving together with the conveyor based on information detected by the detector. | 01-07-2016 |
| 20150375347 | MANUFACTURING APPARATUS AND MANUFACTURING METHOD FOR MANUFACTURING LESS UNBALANCED BLOWER BLADE - A manufacturing apparatus for manufacturing a blower blade including a plurality of blade portions having the same shape and arranged around a rotation axis line includes a machining device for machining the blower blade and a control device for controlling the machining device. The control device includes a command creation unit for creating an operation command to the machining device according to a machining program and a machining parameter, a balance measurement unit for measuring balance of the blower blade, and a machining amount adjustment unit configured to individually adjust a machining amount of each of the blade portions without changing the machining program, based on data of the balance of the blower blade measured by the balance measurement unit so as to reduce unbalance of the blower blade. A manufacturing method using the above-described manufacturing apparatus is also provided. | 12-31-2015 |
| 20150372441 | GAS LASER OSCILLATOR CAPABLE OF ESTIMATING SEALABILITY OF GAS CONTAINER - A gas laser oscillator includes an output command part for outputting a power supply output command; a power supply unit for applying a discharge tube voltage corresponding to the power supply output command to the discharge tube to start discharge; a voltage detection part for detecting the discharge tube voltage; a discharge start determination part for determining whether or not the discharge has been started on the basis of a value detected by the voltage detection part when the power supply output command is gradually increased; and a sealability determination part for determining that sealability of the gas container has been reduced when a discharge start time from the application of the discharge tube voltage until when it is determined by the discharge start determination part that the discharge is started exceeds a predetermined first threshold value. | 12-24-2015 |
| 20150367510 | MULTI-JOINT ROBOT HAVING FUNCTION FOR REPOSITIONING ARM - A multi-joint robot using substantially one sensor, capable of performing a proper repositioning motion of an arm of the robot. The controller has a disturbance torque estimating part which estimates a first disturbance torque and a second disturbance torque, by calculating a torque generated by a mass and motion of the robot and subtracting the calculated torque from the first torque and the second torque detected by a torque detecting part. The controller has a repositioning commanding part which generates a motion command for rotating each axis so that the disturbance torque is reduced, when the disturbance torque exceeds a torque threshold. Since the axis is repositioned based on the motion command, a portion of the robot pushed by the operator is repositioned, whereby the operator can easily perform one's work without using a teaching board, etc. | 12-24-2015 |
| 20150355628 | SERVO CONTROL DEVICE REDUCING DEFLECTION OF FRONT END POINT OF MACHINE - A servo control device having a position control unit and a speed control unit to control a front end point of a machine of a machine tool, comprising: a position detecting unit for detecting a position of a motor; a first position error calculating unit for calculating a first position error based on a position command to a motor and position feedback from the position detecting unit; a torsion estimating unit for estimating an amount of torsion of the front end point of the machine; a second position error calculating unit for adding the first position error and estimated amount of torsion to calculate a second position error; a coefficient adapting unit for determining a coefficient of feedforward control so as to minimize the second position error; and a higher order feedforward control unit for performing feedforward control by using the determined coefficient and the position command. | 12-10-2015 |
| 20150354993 | REFLECTIVE TYPE OPTICAL ENCODER - A code plate of an optical encoder has a nonplanar incident part on a first major surface for transmitting light emitted from a light emitter to the inside of the code plate, and a planar primary reflection part for fully reflecting the transmitted light. The first major surface is also provided with a code pattern part which extends in a ring shape around the rotation axis at a position different from the incident part to switch transmission/non-transmission of the totally reflected light in accordance with a rotation position of the code plate. The code pattern part has nonplanar exit parts which transmit the totally reflected light, and planar secondary reflection parts which again totally reflect the totally reflected light. The secondary reflection parts and exit parts are alternately arranged in the circumferential direction about the rotation axis. | 12-10-2015 |
| 20150340836 | LASER OSCILLATOR PROVIDED WITH BLOWER - A laser oscillator which can estimate the rotation speed of a blower in an idle state at cheaper cost and higher precision. The laser oscillator is comprised of a resonator part, laser medium flow path, blower, drive part, controller, manometer which measures the pressure of the laser medium at a predetermined position of the laser medium flow path, and rotation speed estimating part which uses the pressure of the laser medium which is measured by the manometer and a predetermined relationship between the pressure of the laser medium and the blower rotation speed at a certain position as the basis to estimate the rotation speed of the blower. The controller controls the drive part so as to restart operation of the blower at the rotation speed which is estimated by the rotation speed estimating part when the power supply to the blower is stopped and the blower is idling. | 11-26-2015 |
| 20150333469 | GAS CIRCULATION TYPE LASER OSCILLATOR - A laser oscillator comprising an electric discharge excitation part having a discharge tube, and generates laser by excitation discharge of a laser gas flow through the inside of the discharge tube, an optical resonance part which has optical components attached to outsides of end walls of the discharge tube, and resonates laser generated in the discharge tube, and blower piping which connects an intake port and exhaust port of the discharge tube to form a circulation path of laser gas. The end walls of the discharge tube are provided with through holes which connect the inside of the discharge tube and the optical components, and blocking members are arranged in the through holes so as to block the flow of laser gas through the through holes toward the optical components. | 11-19-2015 |
| 20150323584 | MOTOR DRIVE HAVING FUNCTION OF DETECTING WELDING OF ELECTROMAGNETIC CONNECTOR - A motor drive includes an electromagnetic connector for connecting an alternating current (AC) power source to an AC/DC conversion unit or disconnecting therefrom, a DC link unit, a DC/AC conversion unit for converting smoothed direct current voltage to AC voltage, a DC link voltage detection unit for measuring voltage of the DC link unit, and a control unit. The control unit includes a time measurement unit for measuring elapsed time since switching by the electromagnetic connector, and a welding judgment unit for judging that the electromagnetic connector is welded, provided that the difference between voltage between terminals of the DC link unit after charging the DC link unit and voltage between the terminals of the DC link unit after predetermined time has elapsed since disconnecting the AC power source from the AC/DC conversion unit, after the charge of the DC link unit, is less than a predetermined voltage level. | 11-12-2015 |
| 20150323351 | REFLECTIVE OPTICAL ENCODER HAVING RESIN-MADE CODE PLATE - A reflective optical encoder, which is inexpensive and is compact in the axial direction thereof. A first major surface of a code plate has an incidence part having a first transmission portion and a second transmission portion, and an emission part with a concavo-convex shape. A second major surface of the code plate has a flat surface portion. The first transmission portion has a concavo-convex shape configured to guide light after entering the first transmission portion so as to be totally reflected by the flat surface portion. The second transmission portion is a flat surface, for example, configured to guide light after entering the second transmission portion so as not to be totally reflected by the flat surface portion. | 11-12-2015 |
| 20150321283 | TIP DRESSING SYSTEM WITH DRESSING DEVICE FOR CUTTING ELECTRODE TIPS OF SPOT WELDING GUN - In a tip dressing system having a welding gun, a dressing device, and a control device, the control device comprises a detection part which detects an increment amount of a load applied to a servo motor of the dressing device, a judgment part which judges if the increment amount of the load reaches a predetermined threshold value, an acquisition part which acquires a position of a movable electrode which is measured by an encoder of a servo motor for driving cutting blades of the dressing device, and a calculation part which calculates the cutting amount of the electrode tips based on the distance covered by the movable electrode moves when it is moved toward the counter electrode from the position where the increment amount of the load reaches the threshold value. | 11-12-2015 |
| 20150318657 | LASER OSCILLATOR HAVING MECHANISM FOR CORRECTING DISTORTION - A laser oscillator having a mechanism which makes it easy to correct distortion in the laser oscillator, and also has a simple structure. The laser oscillator has a housing located on an installation surface and a resonator held by the housing. The resonator has a total reflecting mirror, an outputting mirror, a discharge tube positioned between the mirrors, and a laser power source which injects excitation energy into the laser medium such as the carbon dioxide gas within the discharge tube. The resonator is held on the housing by means of a holding mechanism, such as a clamp, a bolt or a bearing. The laser oscillator has at least three nonextendable legs having a constant height, and at least one extendable leg having an adjustable height, so that the legs extend from a lower part of the housing. | 11-05-2015 |
| 20150314445 | SAFETY MONITORING DEVICE FOR ROBOT GRIPPING AND CARRYING WORKPIECE - A safety monitoring device monitoring a robot includes a workpiece parameter switching unit switching a workpiece parameter, an external force estimation unit estimating, as an external force estimation value, a force acting on the robot from an external environment by using the workpiece parameter, an external force monitoring unit stopping the robot when the external force estimation value satisfies an external force determination condition, an operation monitoring unit stopping the robot, based on conditions such as a position of the robot being included within a predetermined region, an operation monitoring state switching unit switching between a disabling command and an enabling command for the operation monitoring unit, and an external force determination condition setting unit switching the external force determination condition to an operation monitoring disabling time external force determination condition at the disabling command and to an operation monitoring enabling time external force determination condition at the enabling command. | 11-05-2015 |
| 20150314394 | LASER PROCESSING SYSTEM HAVING FUNCTION OF PREPARING TO RESTART PROCESSING - A laser processing system including a laser processing unit, a controller controlling the processing unit according to a laser processing program, and a restart preparation apparatus performing a preparation process of the controller to resume the program execution after being suspended. The restart preparation apparatus includes an operating state judging section judging whether an operating state of the processing unit when suspending the program execution is in course of laser processing, and a restart condition specifying section specifying a restart condition of the processing unit when resuming the program execution, from among predetermined conditions, based on a judgment result. The operating state judging section judges that the operating state is in course of laser processing, if a predetermined operation command for processing the workpiece is output from the controller, or predetermined external information for processing the workpiece is input to the controller, at the instant of suspending the program execution. | 11-05-2015 |
| 20150308176 | SYSTEM ABLE TO CONTROL SPEED OF DOOR - A system which can reliably prevent a worker from being caught in a door which is provided on a work machine. The system comprises a work machine which has an operable door, a door drive part which makes the door operate, a door controller which controls the door drive part, a robot which is provided so that at least part can enter and retract from the inside of the work machine when opening the door, and an entry detection part which detects a possibility of a person entering a predetermined zone which includes a range of operation of the robot. The door controller changes a command value to the door drive part which determines the speed of movement of the door when the entry detection part detects that possibility to a second command value which makes the speed of movement decrease. | 10-29-2015 |
| 20150306773 | WORKPIECE CONVEYING DEVICE HAVING POSITIONING STRUCTURE - A workpiece conveying device capable of correctly positioning and conveying a workpiece that has a burr having an indefinite shape by means of a robot. A robot hand has first and second claws configured to move toward and away from each other. The first claw has a first contacting portion configured to come into contact with a lower surface of the burr, and a first clamping portion arranged at a front end of the first contacting portion and configured to come into contact with a main body of the workpiece. The second claw has a second contacting portion configured to come into contact with the lower surface of the burr, and a second clamping portion arranged at a front end of the second contacting portion and configured to come into contact with the main body. The first and second clamping portions cooperatively position and clamp the main body. | 10-29-2015 |
| 20150306768 | SIMULATION DEVICE FOR PLURAL ROBOTS - A simulation device includes a simulation unit which executes, by simulation, a motion program containing a command velocity and a command acceleration of the drive shaft, and a motion waiting instruction, a storage unit which stores in time series a line number of the motion program and the command velocity and the command acceleration at the line number associated with one another; an execution time calculation unit which calculates the execution time of the motion program for each of the line numbers stored in the storage unit based on a simulation result; and a waiting time calculation unit which calculates the motion waiting time in accordance with the motion waiting instruction based on the execution time calculated by the execution time calculation unit. | 10-29-2015 |
| 20150290745 | LASER MACHINING APPARATUS CHANGING OPERATION BASED ON LENGTH OF POWER-DOWN TIME - A laser machining apparatus includes: a laser oscillator; a control device controlling the laser oscillator; a power-down detection unit detecting a decrease in supply power; a time measurement unit measuring power-down time until the supply power is returned to a predetermined value from when the supply power is decreased under the predetermined value; an electricity storage unit supplying electric power to the control device upon a power outage; and equipment operating abnormally when the supply power is decreased under the predetermined value, and recovering from an abnormal operation when a state of the supply power being smaller than the predetermined value continues for a first predetermined period or longer, the control device stopping the laser machining apparatus when the power-down time is smaller than the first predetermined period and not stopping the laser machining apparatus when the power-down time is equal to or larger than the first predetermined period. | 10-15-2015 |
| 20150288128 | CARBON DIOXIDE GAS LASER OSCILLATOR WHICH CAN ESTIMATE COMPOSITION RATIO OF LASER GAS - A laser gas estimation device includes a laser oscillator including a ventilator which circulates a laser gas, a discharge tube, a ventilator power unit which supplies power to the ventilator, and a discharge tube power unit which supplies power to the discharge tube, a detection unit which detects gas pressure of the laser gas, ventilator voltage applied to the ventilator, ventilator current supplied to the ventilator, discharge tube voltage applied to the discharge tube, and discharge tube current supplied to the discharge tube, and a composition ratio estimation unit which estimates the composition ratio of the laser gas based on a detected value detected by the detection unit. | 10-08-2015 |
| 20150284184 | WORKPIECE CONVEYOR SYSTEM - A workpiece conveyor system comprising: a conveyance apparatus which conveys workpieces in one direction, a stopper which is mounted on the conveyance apparatus so as to stop workpieces which are conveyed by the conveyance apparatus at a predetermined position, and a takeout apparatus which takes out workpieces which have been stopped by the stopper from the conveyance apparatus. An outer edge of the stopper in an opposite direction to a conveyance direction of workpieces extends in a curved shape in a transverse direction of the conveyance apparatus. | 10-08-2015 |
| 20150276473 | BEAM PROFILER MEASURING INTENSITY DISTRIBUTION OF LASER BEAM, LASER OSCILLATOR, AND LASER PROCESSING DEVICE - A beam profiler which can determine whether or not a laser beam can be suitably output at a lower cost. The beam profiler is provided with a partial reflecting mirror, light receiving parts, and laser intensity sensors which are individually attached to the light receiving parts. The light receiving parts include a first light receiving part which receives a first region which includes an optical axis of the laser beam in a laser irradiation region of the laser beam and a second light receiving part which is insulated heat-wise from the first light receiving part and which receives a second region of a laser irradiation region which is different from the first region. | 10-01-2015 |
| 20150273626 | LASER PROCESSING APPARATUS CAPABLE OF RETRACTING PROCESSING NOZZLE UPON POWER FAILURE - A laser processing apparatus including a processing nozzle for irradiating a workpiece with laser beam, a driving mechanism for relatively moving the processing nozzle and the workpiece, and a gap sensor for detecting a gap between the processing nozzle and the workpiece. The apparatus includes a gap control section referring to a measured value detected by the gap sensor and calculating a manipulating variable used for controlling the driving mechanism so as to maintain the gap during execution of laser processing at a first dimension, a power monitoring section monitoring electric power from a power supply and sending an abnormality detection signal to the gap control section when a power abnormality occurs, and a control action switching section switching a control action of the gap control section so as to increase the gap from the first dimension when the abnormality detection signal is sent to the gap control section. | 10-01-2015 |
| 20150268040 | LASER PROCESSING DEVICE HAVING FUNCTION FOR MONITORING PROPAGATION OF LASER BEAM - A laser processing device having a simple structure and a means for accurately detecting expansion and misalignment of a laser beam. A sensor, which receives the laser beam after transmitting through a half mirror, is arranged on a back surface of the half mirror opposed to a front surface which reflects the laser beam. The sensor is positioned via a heat insulating material between the back surface of the half mirror and a shield plate for shielding or absorbing the laser beam after transmitting through the half mirror, so that the sensor is thermally-independent from the other components. The sensor is positioned so that the sensor does not receive the laser beam after transmitting through the half mirror in the normal state, and so that the sensor directly receives the laser beam after transmitting through the half mirror when the laser beam is expanded or misaligned. | 09-24-2015 |
| 20150266133 | LASER PROCESSING APPARATUS CAPABLE OF RETRACTING PROCESSING NOZZLE UPON DETECTION OF POWER OUTAGE - A laser processing apparatus including a processing nozzle for irradiating a workpiece with laser beam; an actuator for moving the processing nozzle relative to the workpiece; a distance detector for detecting a gap between the processing nozzle and the workpiece; a power abnormality detecting section for detecting an abnormality in electric power supplied from a power supply unit; a gap control section for controlling the actuator based on a detected value obtained by the distance detector, so as to perform a gap control for adjusting the gap to a target value, during execution of laser processing; and a change control section for maintaining the gap control in an enabled state until a power abnormality is detected by the power abnormality detecting section during execution of laser processing, and for disabling the gap control when a power abnormality is detected by the power abnormality detecting section during execution of laser processing. | 09-24-2015 |
| 20150263476 | LASER OSCILLATOR PROVIDED WITH DISCHARGE TUBE AND LASER PROCESSING MACHINE - A laser oscillator which can effectively remove scattered light by a simpler configuration. The laser oscillator comprises an output mirror and a rear mirror which are arranged facing each other and a discharge tube which is arranged between the output mirror and the rear mirror. The discharge tube has a first part which gets larger in inner diameter from a first end part in an axial direction facing the output mirror toward the rear mirror. | 09-17-2015 |
| 20150258689 | ROBOT SYSTEM FOR TAKING OUT BULK STACKED WORKPIECES AND JUDGMENT METHOD FOR JUDGING WORKPIECE GRIPPING STATE - A robot system for successively taking out bulk stacked workpieces of the same type, wherein a hand of a robot comprises: a base part attached to an arm, a cylinder device with a cylinder and a piston rod, and a gripping part attached to a front end part of the piston rod. The robot system further comprises a fluid pressure adjusting device which adjust a fluid pressure inside of the cylinder, a movement detecting device which detects a retracting movement of the piston rod, and a judgment device which judge if the hand is gripping a designated number of workpieces, based on a magnitude of fluid pressure inside the cylinder and detection results of the movement detecting device. | 09-17-2015 |
| 20150251320 | ROBOT HAND HAVING WORKPIECE POSITIONING FUNCTION, ROBOT SYSTEM, AND METHOD OF POSITIONING AND GRIPPING WORKPIECE - The robot hand of the present invention comprises: a first abutting part which projects from a main body part in Z-direction, and has a first abutting surface against which a first surface of the workpiece abuts; second and third abutting parts which extend from the main body part, and against which the second and third surfaces of the workpiece abut respectively; and a suction member which is attached to the main body part so as to hold by suction the first surface. The suction member is deformable into an elongated shape where the suction surface is located in front of the first abutting surface in Z-direction, and into a contracted shape where the suction surface is located in back of the first abutting surface in Z-direction. | 09-10-2015 |
| 20150251312 | ROBOT CONTROLLER HAVING FUNCTION TO SIMPLIFY TEACHING OPERATION AND IMPROVE MOTION PERFORMANCE OF ROBOT - A robot controller capable of easily speeding up the motion of a robot by learning, without using a special device and teaching know-how. The robot controller has a storing part which stores a reference motion pattern of the robot; an inputting part which designates at least one of a working start region where a motion of the robot based on the reference motion pattern is initiated and a working end region where the motion of the robot is terminated; an automatic generating part which automatically generates a plurality of motion patterns of the robot based on the reference motion pattern and divided regions formed by dividing a working region at a predetermined resolution; and a learning control part which learns a motion speed-up ratio for speeding up the motion by changing a velocity or acceleration in relation to each of the automatically generated motion patterns. | 09-10-2015 |
| 20150246442 | MACHINE SYSTEM INCLUDING WIRELESS SENSOR - A machine system including a sensor unit detecting periodically an acceleration at a tip part of a movable member, a data acquisition unit acquiring first time-series data of the acceleration at the tip part of the movable member corresponding to sensor signal received via a wireless signal path, a data calculation unit configured to calculate second time-series data corresponding to the first time-series data based on a driving command of the motor, a delay time calculation unit calculating a delay time of the first time-series data with respect to the second time-series data according to a degree of correlation between first time-series data and the second time-series data, and a correction unit correcting the first time-series data based on the delay time. | 09-03-2015 |
| 20150244138 | GAS LASER OSCILLATOR CONTROLLING ADJUSTED LEVEL OF LASER POWER SUPPLY - A gas laser oscillator including discharge tubes, main discharge electrodes, auxiliary electrodes, an output mirror which outputs a laser, and a mechanical shutter which cuts off the laser output from the output mirror. To maintain the auxiliary discharge in the state where the laser output is zero, the base discharge command is set to a first command value when the mechanical shutter is closed, and is set to a second command value smaller than the first command value when the mechanical shutter is opened. | 08-27-2015 |
| 20150241247 | ROTATIONAL ANGLE DETECTOR INCLUDING SEAT AND ROTARY MACHINE INCLUDING THE DETECTOR - A rotational angle detector includes a rotary element rotatable around a rotational axis line, the rotary element having a detected portion on an outer circumference, a detection element provided on a radially outside of the detected portion so as to face the detected portion, and a seat having a mounting surface on which the detection element can be mounted, the mounting surface extending around the rotational axis line. The seat is configured such that a distance between the mounting surface and the detected portion in a direction parallel to the rotational axis line varies along a circumferential direction of the seat. | 08-27-2015 |
| 20150239121 | ROBOT SIMULATION DEVICE FOR GENERATING MOTION PATH OF ROBOT - A robot simulation device for automatically generating a practical interference avoiding motion path, regardless of the level of skill of an operator. The device includes: a motion path obtaining part which obtains a first motion path by simulating a robot motion program; a teaching point specifying part which detects whether a robot interferes with a peripheral object on the first path, and specifies first and second teaching points immediately before and after the interference occurs, respectively; a motion path generating part which automatically inserts a third teaching point between the first and second points and generates second motion paths for avoiding the interference, based on a search direction and distance determined by a random number; an evaluating part which evaluates each second path based on a predetermined parameter; and a motion path selecting part which selects an optimum motion path from the second paths based on an evaluation result. | 08-27-2015 |
| 20150236469 | GAS LASER APPARATUS CARRYING OUT IMPROVED STARTUP PROCESS - A gas laser apparatus includes a receptacle for enclosing a laser gas, a laser oscillator that emits a laser beam, a pressure detecting unit that detects gas pressure inside the receptacle, an exhausting unit that discharges a gas from the receptacle, a feeding unit that supplies a laser gas into the receptacle, a pressure storing unit configured to store the pressure detected by the pressure detecting unit and retain stored information even when a power supply is shut off, a comparing unit that compares pressure inside the receptacle when the gas laser apparatus has stopped suddenly with pressure inside the receptacle when the gas laser apparatus is restarted thereafter, and a determining unit that determines whether or not a gas should be discharged from the receptacle and whether or not the laser gas should be supplied into the receptacle based on the result of the comparison. | 08-20-2015 |
| 20150231785 | ROBOT SYSTEM FOR PREVENTING ACCIDENTAL DROPPING OF CONVEYED OBJECTS - A robot system comprises a robot provided with a robot arm and a robot hand, and a control device for controlling the motion of the robot, wherein a permitted area where a teaching operation for the robot hand should be permitted is preset within a maximum area which the robot hand can reach. The control device is provided with a judging part which judges if the robot hand as a whole is present in the permitted area, based on robot hand position information, and a teaching operation restricting part which permits a teaching operation for the robot hand when it is judged that the robot hand as a whole is present in the permitted area and prohibits a teaching operation for the robot hand when it is judged that the robot hand as a whole is not present in the permitted area. | 08-20-2015 |
| 20150231781 | ROBOT TRAVELING SYSTEM PROVIDED WITH CABLE TRACK, ROBOT SYSTEM, AND MACHINING SYSTEM - A robot traveling system, which enables sufficient space to be secured by a machine that is installed along a rail. The robot traveling system is provided with a rail, a carriage which can move along the rail and which supports a robot, a drive mechanism which drives the carriage, and a cable track which houses a cable which has a connecting end which is connected to the robot and is laid at the bottom side of the rail along that rail. | 08-20-2015 |
| 20150222076 | GAS LASER SYSTEM RE-ACTIVATABLE WITHOUT ANY DAMAGE WITHIN SHORT TIME DURING RECOVERY OF POWER SUPPLY - A gas laser system including a laser oscillator including a device which needs a predetermined standby time until normally starting an operation after stopping an operation due to reduction of a power supplied from a power source unit, a controller, a power reduction detection unit, and a nonvolatile storage unit storing time data of a first time point when the reduction of the supplied power is detected by the power reduction detection unit. The controller calculates an operation stop time of the device, based on time from the first time point to a second point time when a next system activation command is output, and inhibits operation resumption of the device when the operation stop time is within a predetermined standby time. | 08-06-2015 |
| 20150214691 | GAS LASER SYSTEM CAPABLE OF MAINTAINING LASER GAS STATE DURING POWER SUPPLY CUTOFF - A gas laser system including: a laser oscillator; a power supply unit for supplying power to the laser oscillator; a power storage unit for storing the power supplied from the power supply unit; a power reduction detection unit for detecting a power reduction state where a value of the power supplied from the power supply unit falls below a power value enabling the laser oscillator to normally operate; and a control unit for controlling the gas supply and discharge unit by using the power stored in the power storage unit so as to seal the gas flow path, when the power reduction detection unit detects the power reduction state. | 07-30-2015 |
| 20150212513 | NUMERICAL CONTROL DEVICE - A numerical control device for controlling a machine tool while sequentially reading out an NC program from a host computer includes an external program invoking unit configured to invoke an encrypted NC program, a communication setting information storing unit configured to store setting information for communicating with the host computer, an NC program acquisition determining unit, an encrypted NC program acquisition request transmitting unit, an encrypted NC program decrypting unit, and an NC program display prohibiting unit. | 07-30-2015 |
| 20150211898 | REFLECTIVE OPTICAL ENCODER HAVING RESIN-MADE CODE PLATE - A reflective optical encoder, which is inexpensive and is compact in the axial direction thereof. An encoder has a generally circular code plate fixed to a rotating body such as a rotation shaft of a motor; and a light emitting unit and a light receiving unit which are positioned near a first major surface of the code plate. The code plate is made from a light transmissive resin, and on the first major surface, an incidence portion with a concavo-convex shape and an emission portion with a concavo-convex shape are formed. On a second major surface opposed to the first major surface, a transmission portion formed from a concavo-convex shape and configured to transmit light, and a total reflection portion formed from a flat surface and configured to totally reflect light, are formed, wherein the transmission portion and the total reflection portion constitute a code pattern section. | 07-30-2015 |
| 20150209891 | SPOT WELDING SYSTEM FOR MANAGING ELECTRODE INSPECTION AND ROBOT USED THEREFOR - A spot welding system includes a plurality of robots each including a spot welding gun and an inspection management device for managing an electrode inspection to be executed in each of the robots, for inspecting electrodes of the spot welding gun. Each robot includes an inspection execution unit for selectively executing one of different electrode inspections. The inspection management device includes an inspection instruction unit for instructing an electrode inspection to be executed in each of the robots. | 07-30-2015 |
| 20150198945 | REMOTE MONITORING SYSTEM FOR DISTANT LOCATION ROBOT - A robot remote monitoring system ( | 07-16-2015 |
| 20150177026 | OPTICAL ENCODER INCLUDING STATIONARY SLIT PART HAVING ELASTIC STRUCTURE - An optical encoder includes a light emitting part for emitting light, a stationary slit part and a rotational slit part which allow part of the light emitted from the light emitting part to pass therethrough, a light receiving part for detecting the light passing through the stationary slit part and the rotational slit part, and a support for supporting the stationary slit part. The stationary slit part incudes a patterned portion in which a plurality of slits for allowing light to pass therethrough are formed, a fixed portion fixed to the support, and an elastic structure which is elastically deformable and provided between the patterned portion and the fixed portion. | 06-25-2015 |
| 20150145460 | MOTOR CONTROLLER HAVING ABNORMALITY DETECTION FUNCTION OF POWER TRANSMISSION UNIT BETWEEN MOTOR AND MAIN SHAFT - A motor controller includes: a motor rotation angle acquisition unit acquiring the rotation angle of the motor; a main shaft rotation angle acquisition unit acquiring the rotation angle of the main shaft; a one-rotation signal acquisition unit acquiring a one-rotation signal output every time the main shaft rotates once; a motor rotation speed calculation unit calculating the rotation speed of the motor from the rotation angle of the motor; a main shaft speed calculation unit calculating the rotation speed of the main shaft from the rotation angle of the main shaft; and an abnormality determination unit in which, when a change amount of the rotation angle of the motor or when the difference between the rotation speed of the motor and the rotation speed of the main shaft deviates from a second range, it is determined that an abnormality has occurred in the power transmission unit. | 05-28-2015 |
| 20150145193 | OBJECT FASTENING DEVICE FOR FASTENING OBJECT TO RECEIVING PART, MACHINE TOOL, ROBOT, AND METHOD OF FASTENING OBJECT TO RECEIVING PART - An object fastening device which can prevent foreign matter from ending up damaging an object when confirming the object is properly seated, which object fastening device is provided with a receiving part, a pushing part which pushes the object against the receiving part, a first drive part which makes the pushing part generate a first force, a second drive part which is provided separate from the first drive part and makes the pushing part generate a second force which is smaller than the first force, and a foreign matter detecting part which detects foreign matter which is interposed between the object and receiving part while the second drive part is being used to cause the pushing part to push the object against the receiving part. | 05-28-2015 |
| 20150119214 | FASTENING DEVICE, ROBOT SYSTEM, AND FASTENING METHOD FOR FASTENING PLURALITY OF FASTENING MEMBERS - A fastening device enabling a plurality of fastening tools to be arranged at a plurality of fastening locations quickly. The fastening device includes a plurality of fastening tools, a movement mechanism for making the plurality of fastening tools move relative to each other, an imaging part imaging of a plurality of fastening locations, a fastening position calculating part calculating the positions of a plurality of fastening locations based on the image data, and a movement controller control the movement mechanism so as to make at least one fastening tool move so that the individual fastening tools are arranged at positions enabling the fastening members to be fastened to the corresponding fastening locations, based on the calculated plurality of fastening locations. | 04-30-2015 |
| 20150112503 | CONTROL DEVICE FOR AUTOMATICALLY STARTING WARM-UP - A control device of the present invention estimates warm-up time that it takes for a warm-up of a machine based on the temperature of the machine to be warmed up and the saturation temperature that is unique to the machine. Warm-up start time is calculated based on the obtained warm-up time and predefined warm-up end time. In this way, the warm-up can be efficiently performed as the warm-up can be performed for an appropriate period of time in consideration of the saturation temperature unique to the machine. | 04-23-2015 |
| 20150102756 | CONTROLLER AND CONTROL METHOD FOR MACHINE TOOL CAPABLE OF CHANGING MOTION DEPENDING ON MOTOR TEMPERATURE - A controller and a method for a machine tool, capable of discriminating the factors in overheating, and taking appropriate measures depending on each factor. A first amplifier of the controller has an acceleration/deceleration judging part which judges as to whether the spindle motor is accelerated or decelerated; a first temperature estimating part which estimates a first amount of change in temperature of the spindle motor when the spindle motor is in the acceleration/deceleration state; a second temperature estimating part which estimates a second amount of change in temperature of the spindle motor when the spindle motor is in the steady state; a comparing part which compares the first and second estimated values. A numerical controlling part of the controller transmits an operation command for changing the operation of at least one of the spindle motor and a feed shaft motor, when the spindle motor is overheated. | 04-16-2015 |
| 20150097367 | COOLING PIPE JOINT FOR MOTOR COOLING AND MOTOR COOLING DEVICE PROVIDED WITH COOLING PIPE JOINT - A cooling pipe joint which enables easy fine adjustment of the length of a cooling pipe which extends from the cooling pipe joint. The cooling pipe joint is provided with a base part, a fastening member which is fastened to the base part, a deforming member which is arranged between the base part and the fastening member, and a first slanted surface which slants with respect to a center axis. This first slanted surface presses against the deforming member by the force of fastening the fastening member to the base part and makes the deforming member deform to a direction approaching the center axis. | 04-09-2015 |
| 20150090867 | TRANSMISSIVE OPTICAL ENCODER HAVING OPTICAL WAVEGUIDE - A transmissive optical encoder includes a light emitting element, a light receiving element, a rotatable disk provided with slits and rotatable together with an object of detection, and an optical waveguide having an inlet facing the light emitting element and an outlet facing the light receiving element. The light emitting element and the light receiving element are arranged on the same side in relation to the rotatable disk. The optical waveguide is fixed independently of rotational movement of the rotatable disk. | 04-02-2015 |
| 20150077031 | NUMERICAL CONTROL DEVICE INCLUDING ROBOT CONTROLLER - A numerical control device including a numerical controller, a robot controller, a servo control module and an I/O control module connected to the numerical controller and the robot controller, and an amplifier connecting bus connecting the servo control module and a servo amplifier, and an I/O device connecting bus connecting an I/O control module and an I/O interface device. The machine-tool-side and robot-side servo amplifiers are daisy-chained and the machine-tool-side and robot-side I/O interface devices are daisy-chained. | 03-19-2015 |
| 20150047471 | SCREW FASTENING DEVICE - A screw fastening device ( | 02-19-2015 |
| 20150028613 | ROBOT GRIPPING DEVICE - A robot gripping device ( | 01-29-2015 |
| 20150016933 | TRANSFER DEVICE SUCKING AND TRANSFERRING OBJECT - A transfer device includes a suction unit capable of sucking an object and a transfer unit moving the suction unit. The suction unit includes a base member; a plurality of nozzles provided for a plurality of types of objects; a housing room formation unit attached to the base member, forming a housing room for housing the other end portion side of the plurality of nozzles, and including a sealing unit facing air outlets; a negative pressure generation unit generating negative pressure inside the housing room; and a drive unit driving the plurality of nozzles such that the air outlet of a nozzle selected from the plurality of nozzles in accordance with a type of the object is separated from the sealing unit, and the air outlet of a non-selected nozzle is bumped against the sealing unit to be sealed. | 01-15-2015 |
| 20150013491 | WRIST STRUCTURE UNIT OF INDUSTRIAL ROBOT - A spur gear deceleration mechanism unit ( | 01-15-2015 |
| 20150007681 | ATTACHMENT STRUCTURE FOR DRIVE CABLES OF ROBOT AND ROBOT APPARATUS PROVIDED THEREWITH - An attachment structure for drive cables include a first fixing member and a second fixing member separate from the first fixing member, which are designed to fix the drive cables in a non-slidable manner. The first fixing member is disposed behind a pivot body of a robot so as to pivot together with the pivot body. The second fixing member is disposed so as to be spaced apart from the first fixing member in a direction parallel to a rotational axis of an arm of the robot. The drive cables are fixed so as to be convexly curved upward in a portion between the first fixing member and the second fixing member. | 01-08-2015 |
| 20140354272 | ROTATION DETECTOR DETECTING ROTATION OF ROTATING MACHINE AND SYSTEM PROVIDED WITH ROTATION DETECTOR - A rotation detector which can improve the manufacturing efficiency of a rotating machine. The rotation detector is provided with a connecting part which is fastened in contact with a rotating part of the power part, an output shaft which extends from the connecting part to one side in the axial direction, and a moving part which is comprised of a connecting part and output shaft and, further, has a detected region which is formed at a maximum outer circumferential surface of the connecting part and output shaft, and a fixed part which is fastened to the connecting part at the outside in the radial direction and which detects a change in magnetic field which is generated along with rotation of the detected region. | 12-04-2014 |
| 20140353130 | ELECTRICAL CIRCUIT SWITCHING DEVICE - An electrical circuit switching device includes a housing body including therein a circuit breaker for breaking/energizing an electrical circuit, and a housing door including a handle for operating the circuit breaker. A switch operating unit for driving a circuit switching unit of the circuit breaker includes a lock that can engage/disengage with/from a coupling part of the handle. The coupling part engages with the lock when the housing door is closed, and the circuit breaker can be operated only in this state via the coupling part. | 12-04-2014 |
| 20140350709 | NUMERICAL CONTROLLER FOR CONTROLLING FEED SPEED - A numerical controller obtains a necessary moving distance for the completion of movement in each interpolation period, based on a moving distance for each block and the input ratio of a distance by which movement is completed in each interpolation period to the moving distance for each block. If the obtained moving distance is shorter than the moving distance for each interpolation period based on an initially set feed speed, the feed speed is changed to a speed for moving the moving distance in each interpolation period. | 11-27-2014 |
| 20140341671 | MACHINE TOOL HAVING PROTECTIVE COVER - A machine tool includes a bed, a column and linear-motion guides disposed over the bed, a saddle supported by the linear-motion guides, and a protective cover disposed between the column and the saddle. The saddle is guided by the linear-motion guides to move toward and away from the column. The protective cover includes upper surface portions, side surface portions extending parallel to the direction of movement of the saddle, and folded portions folded from lower ends of the side surface portions toward the linear-motion guides. The heights of the ends of the folded portions are lower than the heights of linear-motion guide mounting surfaces. | 11-20-2014 |
| 20140339199 | WIRE ELECTRIC DISCHARGE PROCESSING MACHINE WITH RUST PREVENTING FUNCTION - An electric discharge processing machine applies a voltage to a processing subject and a corrosion preventing electrode so as to prevent the corrosion of the processing subject. A reference current value which is proportional to the surface area of the processing subject is set so that a current density is maintained constantly, and a voltage of a corrosion preventing power supply is controlled so that a corrosion preventing current falls within a predetermined range. | 11-20-2014 |
| 20140338496 | TELESCOPIC-COVER FIXTURE - A fixing member has such a shape that members that constitute a telescopic cover can be fixed and immovable. The fixing member is secured to the telescopic cover by means of fastening members such as bolts. The fixing member of a telescopic-cover fixture is shaped so that the telescopic cover is maximally contracted when the fixing member is secured to the cover. For example, the fixing member may be L-shaped, U-shaped, or in the shape of a rectangular tube that covers the entire cover member. | 11-20-2014 |
| 20140338468 | NUMERICAL CONTROL DEVICE HAVING FUNCTION OF ESTIMATING EXPIRATION OF LIFE OF BEARING SUPPORTING SPINDLE - A numerical control device determines whether or not a spindle is in a cutting state where it machines a workpiece. If the spindle is in a cutting state, the numerical control device calculates a second rotational speed, which is obtained by multiplying a rotational speed of the spindle by a weight corresponding to a force on the spindle calculated based on a torque of a feed shaft, and integrates the calculated value into an index value. If the spindle is not in the cutting state, the numerical control device integrates the rotational speed of the spindle into the index value. The lifetime of a bearing is estimated based on the index value. | 11-20-2014 |
| 20140337548 | SERIAL COMMUNICATION CONTROL CIRCUIT - In a serial communication control circuit, serial data transmitted from a transmission processing unit is switched to data generated in a mark ratio improvement data generation unit depending on a switch signal from the transmission processing unit, and is transmitted. Thereby, mark ratio improvement data is inserted in a transmission signal to improve a mark ratio during communication, thereby preventing reception signal's jitters from increasing. | 11-13-2014 |
| 20140333296 | ROTATING BODY OF MAGNETIC ANGLE DETECTOR, MANUFACTURING METHOD THEREOF AND MAGNETIC ANGLE DETECTOR HAVING THE ROTATING BODY - A method for manufacturing a rotating body of a magnetic angle detector, wherein the rotating body can be machined and manufactured with high accuracy without generating burrs, a rotating body manufactured by the method, and a magnetic angle detector having the rotating body. A tooth top surface and a tooth surface to be formed on a rotating body are simultaneously machined by one grinding stone. The grinding stone has a tooth top surface grinding part which machines the tooth top surface and a tooth surface grinding part which machines the tooth surface. The grinding stone is configured to simultaneously grind and machine the tooth top surface and the tooth surface by rotational grinding about an axis. | 11-13-2014 |
| 20140333249 | MOTOR CONTROL DEVICE FOR SUPPRESSING NATURAL VIBRATIONS - A frequency component extracting unit ( | 11-13-2014 |
| 20140333248 | SERVO MOTOR CONTROL SYSTEM - All correction data is stored in the main memory of a numerical controller in advance. Of all correction data, the minimum data required for correction is transferred, for each interpolation cycle, to a built-in memory of a peripheral control LSI included in a servo control unit. A servo control processor performs repetitive control using the data transferred to the memory. | 11-13-2014 |
| 20140333158 | STATOR OF ELECTRIC MOTOR INCLUDING RESIN INJECTED BY INJECTION MOLDING - In a stator of an electric motor having a resin molding portion formed in an inner circumferential portion and an outer circumferential portion by means of injection molding, a partition member for partitioning the inner circumferential portion and the outer circumferential portion of the stator is provided in an axial end portion of the stator. Resin injected from the axial end portion flows in a bifurcated passage into the inner circumferential portion and the outer circumferential portion. The partition member may be provided with a resin passage which allows resin to flow from the axial end portion of the stator to the outer circumferential portion. | 11-13-2014 |
| 20140331510 | METHOD FOR MEASURING REFERENCE POINT OF INCLINED ROTATING TABLE IN WIRE ELECTRIC DISCHARGE MACHINE AND MEASURING JIG - A reference point on a table center of an inclined rotating table in a wire electric discharge machine is obtained using a measuring jig. A biaxial rotation unit is placed on a table of the wire electric discharge machine. The measuring jig has a shape most suitable for reference point measurement using a contact sensing function of a wire electrode which a wire electric discharge machine generally has and includes a fixed section for being fixed to a work fixing section of the biaxial rotation unit, an arm section which is provided to stand on the fixed section, and a section to be measured which is provided at a distal end of the arm section and has a conductive spherical surface. | 11-13-2014 |
| 20140331076 | ENCODER WITH ACCURACY CORRECTION FUNCTION - An encoder ( | 11-06-2014 |
| 20140326107 | ROTARY TABLE DEVICE - The inside of a case of a rotary table device is divided into a first space and a second space. The pressure of the first space is regulated to a pressure higher than the pressure of the second space during a steady state. The relationship between the pressures is reversed at a certain timing, to make the pressure of the second space higher than the pressure of the first space. Such operation can forcibly close a check valve disposed between the first space and the second space on regular basis, thereby preventing a malfunction of the check valve. | 11-06-2014 |
| 20140318298 | WRIST STRUCTURE OF INDUSTRIAL ROBOT - A wrist structure of an industrial robot including a second wrist power transmission part transmitting power of a second wrist motor to a second wrist element and a third wrist power transmission part transmitting power of a third wrist motor to a third wrist element. The second wrist power transmission part includes a hypoid gear set, a drive shaft, a first reduction gear part reducing a speed of rotation from the second wrist motor and transmitting the reduced rotation to the drive shaft, and a second reduction gear part reducing a speed of rotation from the drive shaft and transmitting the reduced rotation to the second wrist small gear, and the third wrist power transmission part includes a hypoid gear set and a third reduction gear part reducing a speed of rotation from the third wrist motor and transmitting the reduced rotation to the third wrist small gear. | 10-30-2014 |
| 20140318271 | ROTATION TABLE WITH CLAMP TORQUE MEASUREMENT UNIT - A rotation instruction is transmitted to a motor in a state where a workpiece placement table connected to a rotation shaft of the motor is clamped by a clamp mechanism provided in a rotation table, and a clamp torque is measured based on motor torque information in accordance with the rotation instruction and a change in rotation shaft state (a rotation position, a rotation speed, and the like). | 10-30-2014 |
| 20140316573 | ROBOT SYSTEM HAVING A ROBOT FOR CONVEYING A WORKPIECE - A robot system includes a three-dimensional measuring device for obtaining positional information of a workpiece, a robot having a tool capable of holding a workpiece, and a control device for controlling the robot. The control device stores association data which associate the positional information of the workpiece with a center-of-gravity position of the workpiece. A center-of-gravity position of the workpiece to be picked out is estimated, based on the positional information obtained by the three-dimensional measuring device and on to the association data. The control device determines at least one of the holding position of the workpiece, the picking-out direction and the position and posture of the tool, based on the estimated center-of-gravity position. | 10-23-2014 |
| 20140316572 | CONTROL DEVICE FOR ROBOT FOR CONVEYING WORKPIECE - A control device for controlling a robot which has a tool for holding a workpiece and a force measuring part for measuring a force acting on the tool. The control device includes a calculating part for calculating a center-of-gravity position of the workpiece, based on force data measured by the force measuring part with a plurality of postures of the robot holding the workpiece, a processing part for performing at least one of a process for estimating a holding state of the workpiece, a process for determining a type of the workpiece, and a process for testing a quality of the workpiece, based on the position of the tool and the center-of-gravity position of the workpiece, and an operating command modifying part for modifying an operating command to the robot, based on a result of the process performed by the processing part. | 10-23-2014 |
| 20140316565 | NUMERICAL CONTROLLER - A numerical controller includes a numerical control unit for executing a numerical control program, a robot control unit for executing a robot program, a multicore processor having a plurality of cores, and a peripheral control LSI. The numerical control unit is assigned to one of the cores of the multicore processor and the robot control unit is assigned to one of the others. The multicore processor is connected to an internal bus of the numerical controller via the peripheral control LSI. | 10-23-2014 |
| 20140316553 | NUMERICAL CONTROLLER CAPABLE OF DISPLAYING AND INPUTTING TOOL DIRECTION RELATIVE TO WORKPIECE - A numerical controller controls a five-axis machine which machines a workpiece mounted on a table by means of at least three linear axes and two rotation axes. The numerical controller calculates a tool direction relative to the workpiece as a tool direction vector, roll-pitch-yaw angles, or Euler angles, based on respective positions of the two rotation axes, and displays the tool direction relative to the workpiece on a display, based on the result of the calculation. | 10-23-2014 |
| 20140316536 | DNC OPERATION SYSTEM - When a numerical controller enters a DNC operation mode, a host apparatus transmits NC data to the numerical controller. When the received NC data includes a sub program call, a repeat instruction or a branch instruction, the numerical controller stores search information that is required for executing these instructions. When the numerical controller includes search information, the host apparatus transmits, to the numerical controller, NC data corresponding to the search information. The numerical controller analyzes the received NC data and executes operation. | 10-23-2014 |
| 20140312822 | MOTOR DRIVE DEVICE HAVING FUNCTION OF DETECTING ABNORMALITY OF DC LINK UNIT - A motor drive device according to one embodiment of the present invention includes a converter ( | 10-23-2014 |
| 20140312800 | DRIVER CIRCUIT FOR LED BACKLIGHT OF LIQUID CRYSTAL DISPLAY DEVICE - A driver circuit driving an LED backlight of a liquid crystal display device includes a determination unit and a drive current output unit that receives a luminance adjustment signal from the determination unit and supplies a drive current to the LED backlight. The determination unit determines whether or not a duty ratio of a PWM signal input from a control circuit satisfies a predetermined value set in advance and outputs a luminance adjustment signal set in advance in a case where the input of the PWM signal does not reach the predetermined value and outputs a luminance adjustment signal corresponding to the PWM signal input from the control circuit in a case where the input of the PWM signal is the predetermined value or more. | 10-23-2014 |
| 20140307754 | GAS LASER OSCILLATOR HAVING FUNCTION TO DETERMINE INITIATION OF ELECTRIC DISCHARGE - A gas laser oscillator includes a control apparatus which creates a command voltage, a laser power supply which supplies power to a discharge tube in accordance with the command voltage, and a voltage detecting unit which detects a voltage applied to the discharge tube. The control apparatus includes a determining unit which determines whether or not a discharge is initiated in the discharge tube, based on a rate of changes in the voltage detected by the voltage detecting unit when power is supplied to the discharge tube in accordance with the command voltage being increased in a stepwise manner. The determining unit is configured to determine whether or not a discharge is initiated in the discharge tube after an initial step that at least includes the first incremental step of the command voltage being increased in a stepwise manner. | 10-16-2014 |
| 20140307751 | LASER PROCESSING APPARATUS CARRYING OUT CONTROL TO REDUCE CONSUMED POWER - A laser processing apparatus including a laser oscillator, a laser processing machine, and a control part controlling the laser oscillator and the laser processing machine. The control part includes a preparatory operation part controlling the laser processing machine so as to start a preparatory operation for the laser processing if a preparatory operation command is output and, a mode switching part switching an operating mode of the laser oscillator between a standard standby mode before carrying out the laser processing and an energy saving mode with less consumed power than the standard standby mode, and the mode switching part controls the discharge tube voltage so as to switch the operating mode to the energy saving mode before the preparatory operation command is output and to start a switching operation of the operating mode from the energy saving mode to the standard standby mode when the preparatory operation command is output. | 10-16-2014 |
| 20140306640 | MOTOR CONTROL APPARATUS WITH POWER FAILURE DETERMINATION UNIT - A motor control apparatus includes: a PWM rectifier; an inverter; a detection unit for detecting an AC voltage value of the PWM rectifier; a calculation unit for calculating a power supply voltage phase; a detection unit for detecting an AC current value of the PWM rectifier; a current loop control unit for generating an AC voltage command to control a power conversion operation of the PWM rectifier; a current loop saturation state determination unit for determining to be in a current loop saturation state when a magnitude of the AC voltage command is equal to or larger than a predetermined voltage prescribed value; an operation determination unit for determining whether the PWM rectifier is in a powering operation or in a regenerative operation and a power failure determination unit for determining a presence or absence of a power failure at the AC power supply side from the determination results. | 10-16-2014 |
| 20140306634 | MOTOR CONTROL DEVICE PROVIDED WITH POWER FAILURE MANAGEMENT - A power failure detection unit in an AC-DC converter device detects power failure of a 3-phase AC power supply at the time of driving a motor, and generates a power failure detection signal in accordance with detection of power failure. A transmitter unit in the AC-DC converter device transmits the power failure detection signal using a cable, radio, or an optical fiber. A receiver unit in a DC-AC converter device receives the power failure detection signal transmitted from the transmitter unit. | 10-16-2014 |
| 20140305909 | WIRE ELECTRIC DISCHARGE MACHINE WHICH PERFORMS TAPER CUTTING - A wire electric discharge machine for taper cutting includes a table on which a workpiece is mounted, at least two linear axes for moving the workpiece and a wire electrode relative to each other, a mount portion capable of being mounted on the table, and a control unit. The workpiece can be attached to the mount portion, and the mount portion has at least two rotary axes. The control unit synchronously moves the linear axes and the rotary axes in accordance with a machining program to perform machining while relatively changing the tilt of the workpiece with respect to the wire electrode. | 10-16-2014 |
| 20140300233 | ROTATOR MEMBER TO BE FIXED TO ROTARY SHAFT OF ROTARY ELECTRIC MACHINE, ROTATOR INCLUDING ROTATOR MEMBER, AND METHOD FOR MANUFACTURING ROTARY ELECTRIC MACHINE AND ROTATOR - A rotator member | 10-09-2014 |
| 20140297037 | MULTI-JOINT ROBOT HAVING GAS SPRING, AND METHOD FOR ESTIMATING INNER PRESSURE OF THE GAS SPRING - A multi-joint robot having a function for estimating an amount of decrease in inner pressure of a gas spring, by means of a simple and low-cost structure, and a method for estimating the amount of decrease in inner pressure of the gas spring. The gas pressure within a cylinder of the gas spring decreases in connection with the motion of a lower arm associated with the gas spring. In the present invention, an amount of decrease in inner pressure within the gas spring is estimated by using a current value of a servomotor, in view of the finding that the amount of decrease in inner pressure is generally proportional to an amount of decrease in torque, and the torque generated by the servomotor can be calculated based on the current value of the servomotor. | 10-02-2014 |
| 20140297032 | MULTI-JOINT ROBOT HAVING GAS SPRING, AND METHOD FOR ESTIMATING INNER PRESSURE OF THE GAS SPRING - A multi-joint robot having a function for estimating an amount of decrease in inner pressure of a gas spring, by means of a simple and low-cost structure, and a method for estimating the amount of decrease in inner pressure of the gas spring. The gas pressure within a cylinder of the gas spring decreases in connection with the motion of a lower arm associated with the gas spring. In the present invention, in view of a finding that the amount of decrease in inner pressure has a high correlation with a total movement distance obtained by integrating an amount of back-and-forth motion of a piston rod relative to a cylinder, an amount of decrease in inner pressure within the gas spring is estimated by calculating the total movement distance. | 10-02-2014 |
| 20140297022 | NUMERICALLY-CONTROLLED MACHINE TOOL AND SPINDLE ERROR COMPENSATING METHOD THEREOF - A spindle error measurement jig is attached to a spindle of a numerically-controlled machine tool. A probe capable of measurement in a moving axis direction of each axis of the machine tool is installed on a table. By means of driving-control of a linear shaft driving the table and a linear shaft elevating a spindle head, spindle error measurement is made by measuring a spindle center position measurement hole and a spindle angular deviation measurement end-face so as to make spindle error calculation. On the basis of the calculation result, an angular deviation and a spindle error compensation amount are acquired, and they are used as parameters for compensating relative movement amounts of the table and the spindle so as to correct the spindle error. | 10-02-2014 |
| 20140295020 | TOGGLE CLAMPING MECHANISM FOR INJECTION MOLDING MACHINE - A toggle clamping mechanism for an injection molding machine includes a toggle link, a crosshead connected to the toggle link, and a driving device for driving the crosshead. A ball spline shaft is provided parallel to a ball screw for driving the crosshead. Further, a ball spline nut provided in the crosshead is engaged with the ball spline shaft so that the crosshead may be guided by the ball spline shaft. | 10-02-2014 |
| 20140294027 | GAS LASER OSCILLATOR HAVING FUNCTION OF JUDGING START OF DISCHARGE - A gas laser oscillator including a discharge tube provided in a gas channel through which a laser gas circulates; an output command part outputting a power output command; a power supply part applying to the discharge tube a discharge tube voltage corresponding to a power output command value; a voltage detector detecting the discharge tube voltage; and a discharge start judging part judging if a discharge has been started in the discharge tube based on a ratio of change of the discharge tube voltage. The output command part increases the power output command value in steps by an increment obtained by dividing a power output command value corresponding to a discharge start voltage serving as a predetermined reference by a number of steps of 2 or more, at a step time interval determined by using as a reference the time required until the power supply part responds to the power output command. | 10-02-2014 |
| 20140292251 | SYNCHRONOUS CONTROL UNIT FOR SYNCHRONIZING TWO SHAFTS WITH EACH OTHER - In the first synchronous system of the synchronous control unit ( | 10-02-2014 |
| 20140292250 | HOST CONTROLLER GENERATING POSITION CONTROL GAIN - A reference value generating unit ( | 10-02-2014 |
| 20140292232 | MOTOR CONTROLLER FOR SYNCHRONOUSLY CONTROLLING MULTIPLE MOTORS - A motor controller includes: a converter for converting an alternating current to a direct current; a first inverter for converting the direct current in a direct-current link of the converter to an alternating current for driving a first motor; a second inverter for converting the direct current in the direct-current link to an alternating current for driving a second motor; a power-failure detection unit for detecting a power failure on the side with the alternating-current power supply; and a command creation unit for creating a drive command for each of the first inverter and the second inverter when no power failure has occurred, while creating a drive command for the first inverter and also creating a drive command for the second inverter by using position feedback information of the first motor driven according to the drive command for the first inverter, when a power failure has occurred. | 10-02-2014 |
| 20140292135 | SQUIRREL-CAGE ROTOR AND ELECTRIC MOTOR HAVING SQUIRREL-CAGE ROTOR - A squirrel-cage rotor includes a laminated core provided on an outer circumference of a rotational axis, and a plurality of slots formed in the laminated core in a circumferential direction, so as to be spaced apart from each other. The cross-section shape of each slot includes an inner circumferential edge and an outer circumferential edge extending in the circumferential direction so as to face each other, and a first side portion and a second side portion extending in a radial direction so as to face each other. The radius of curvature of the inner circumferential edge is larger than that of corners on an inner circumferential side of the slot. The radius of curvature of the outer circumferential edge is larger than that of corners on an outer circumferential side of the slot. | 10-02-2014 |
| 20140291300 | SPOT WELDING SYSTEM INCLUDING SPOT WELDING GUN - A spot welding system ( | 10-02-2014 |
| 20140291295 | WIRE ELECTRIC DISCHARGE MACHINE HAVING WIRE ELECTRODE TENSION CONTROL FUNCTION - In a taper machining using a wire electric discharge machine, a difference between a target tension value and an actual tension value of a wire electrode is fed back to a controller to determine input current values to a wire electrode feed motor and a wire electrode deliver motor, thereby adjusting the tension value of the wire electrode. When the taper angle of the wire electrode exceeds a given value, the control gain of the tension of the wire electrode for determining the input current value to the motor is lowered to prevent the wire electrode from oscillating. | 10-02-2014 |
| 20140291294 | WIRE ELECTRIC DISCHARGE MACHINE WITH AUTOMATIC WIRE CONNECTING FUNCTION - A wire electrode is hung from an upper die guide of a wire electric discharge machine toward a workpiece, a distance from a position where the wire electrode on the top surface of the workpiece is hung down to a top end position of a machined groove formed by the electric discharge machining is calculated based on a commanded taper angle and the distance from the top surface of the workpiece to an upper die guide fulcrum position of the upper die guide, and automatic wire connection is performed by moving an upper nozzle by the calculated distance. In this way, a wire connecting operation can be performed in the vicinity of the tapered groove. | 10-02-2014 |
| 20140291228 | MACHINE TOOL WITH CUTTING FLUID FILTERING APPARATUS - A machine tool includes a negative pressure generator that removes chips and sludge having adhered to a suction filter that is provided at a suction port of a pump that pumps up a cutting fluid stored in a contaminated water tank that stores the cutting fluid or a partition filter that partitions the contaminated water tank into a first contaminated water tank and a second contaminated water tank. The negative pressure generator allows removal of impurities, such as chips and sludge, having adhered to the suction filter or the partition filter for cleaning without blowing the chips and sludge that have adhered to the filters against the suction filter or the partition filter. | 10-02-2014 |
| 20140290415 | ROBOT HAVING A LINE DISTRIBUTION BOARD - A robot includes a plurality of lines respectively having connecting portions, which are connected to an outer apparatus, at end portions, and at least one line distribution board to which the connecting portions of the plurality of lines are attached. The line distribution board includes a plurality of line distribution board elements, which can be separated from each other, and to which the connecting portion of at least one of the plurality of lines is attached. | 10-02-2014 |
| 20140290414 | INDUSTRIAL ROBOT PROVIDED WITH BALANCER DEVICE - An industrial robot including a base part, an arm part, and a balancer device connected pivatably to the base part and the arm part to apply a repulsive force resisting a load acting on a pivot shaft due to gravity. The balancer device includes a balancer having a cylinder and a piston rod, end parts of the cylinder and the piston rod being pivatably connected with respect to the arm part and the base part, respectively, a coupling member attached to a support part of the base to support pivotably a balancer end part with respect to the support part, and a fastening part fastening a first end face formed at the coupling member and a second end face formed at the balancer end part to push the piston rod inside the cylinder by a fastening force. | 10-02-2014 |
| 20140288692 | CUTTING CONDITION DISPLAY DEVICE - A numerical controller controls a spindle and/or a movable axis of a finishing machine based on a machining program. A cutting condition display device configured to display a cutting condition for the numerical controller calculates cutting conditions including a cutting speed, a feed per spindle revolution per cutting edge of a tool, and a depth of cut for each fixed time during an operation of the finishing machine, based on any or a combination of data on the spindle, the movable axis, a cutting tool, and an object to be cut, which are held by the numerical controller. The calculated cutting condition is stored for each tool and displayed in a graph. | 09-25-2014 |
| 20140286734 | WORKING SYSTEM PROVIDED WITH SERVO-CONTROLLED AUTOMATIC OPERATING DOOR - A working system including: a working machine having a door operated so as to be closed at a time of working and be opened at a time of non-working; an automatic changer provided so as to enter and exit from an inside of the working machine through the door to change a worked object and/or a tool; and an actuator operating the door. The actuator is a servo motor dedicated to operating the door. | 09-25-2014 |
| 20140286721 | MACHINE TOOL HAVING MOVABLE COVERS - A machine tool includes a table, a saddle, and first and second telescopic covers respectively disposed on two side surfaces of the table or the saddle. The two side surfaces are opposite each other along the direction of travel of the table or the saddle. Upper surfaces of the first and second telescopic covers are inclined in opposite directions perpendicular to the direction of travel of the table or the saddle. | 09-25-2014 |
| 20140285131 | MOTOR DRIVING APPARATUS WITH ABNORMALITY DETECTION FUNCTION - The invention provides a motor driving apparatus of the invention comprises a power semiconductor device ( | 09-25-2014 |
| 20140285129 | MOTOR CONTROL SYSTEM THAT DETECTS VOLTAGE SATURATION - A motor control system comprises a plurality of control apparatuses and a host control apparatus, wherein each of the control apparatuses include a position control unit controlling position based on a position command and commanded speed from the host control apparatus, a speed control unit controlling speed based on a speed command from the position control unit, a current control unit controlling current based on a current command from the speed control unit, and a current amplifier which amplifies motor driving current based on a voltage command from the current control unit, and wherein the current control unit includes a voltage saturation processing unit which determines whether the voltage command has exceeded supply voltage of the current amplifier, and which outputs the result of the determination, and a voltage saturation notifying unit which notifies the host control apparatus of the result of the determination made by the voltage saturation processing unit. | 09-25-2014 |
| 20140284311 | WIRE ELECTRIC DISCHARGE MACHINE HAVING FUNCTION FOR DISCRIMINATING STATE IN WORK TANK - The wire electric discharge machine determines whether machining is submerged machining or flushing machining. If the machining is the submerged machining, when a fluid level of working fluid is lower than a predetermined height, the wire electric discharge machine prohibits a machining power from being applied. Thus, it is possible to prohibit the machining power from applied in a state in which the working fluid is insufficient and the submerged machining cannot be appropriately performed, thereby preventing an electric shock due to contact with a wire electrode and machining parts of a workpiece and preventing the working fluid from scattering to the air, and improving safety. | 09-25-2014 |
| 20140271014 | TOOL HOLDER ON WHICH NONROTATIONAL TOOL OF MACHINING CENTER IS MOUNTED - A tool holder on which a nonrotational tool is mounted is mounted on a spindle of a machining center. A tool holder body of the tool holder includes a positioning pin that is inserted into the machining center and a locking mechanism. When the positioning pin is not inserted into the machining center, the locking mechanism locks the rotation of the tool holder body relative to a drive shaft. When the positioning pin is inserted into the machining center, the locking mechanism allows the rotation of the tool holder body relative to the drive shaft. | 09-18-2014 |
| 20140271002 | CUTTING FLUID CONTROL DEVICE FOR MACHINE TOOL - A cutting fluid control device for a machine tool is used to adjust the amounts of supply of a cutting fluid and water, thereby controlling the concentration of the cutting fluid in a cutting fluid tank, and comprises an operating unit which inputs a machining condition of the machine tool, a computing unit which calculates the concentration of the cutting fluid based on the machining condition input through the operating unit, and an adjustment unit which adjusts the amounts of supply from a cutting fluid undiluted-solution supply device and a water supply device so that the concentration of the cutting fluid in the cutting fluid tank is equal to the cutting fluid concentration calculated by the computing unit. | 09-18-2014 |
| 20140265960 | CONTROL SYSTEM FOR SYNCHRONOUS MOTOR INCLUDING ABNORMALITY DETECTION AND DIAGNOSIS FUNCTION - A control system includes a current control unit providing, in accordance with the magnetic pole position of a rotor in which permanent magnets are disposed, a first current command to a first excitation phase of a stator winding and providing a second current command to a second excitation phase, a current error calculator calculating a current error which is a difference between a current flowing through the motor during the first period and the first current command or a difference between a current flowing through the motor during the second period and the second current command, and an abnormality detection and diagnosis unit detecting an abnormality based on the speed, the direction of movement and the amount of movement of the motor and the magnitude of the current error. | 09-18-2014 |
| 20140261963 | MASKING SYSTEM USING MASKING PIECE - In a masking system a robot performs first conveyance work of making an object gripping unit grip an object and set the object at a predetermined position based on positional information of the object which was detected by a first detection unit, coating work of making a coating unit coat an adhesive on a masking location of the object which is set at the predetermined position, and second conveyance work of making a masking piece gripping unit adhere a masking piece to the masking location of the object based on positional information of the masking piece which was detected by a second detection unit. | 09-18-2014 |
| 20140261306 | MOTOR CONTROL APPARATUS THAT GENERATES PRELOAD TORQUE VALUE AS FUNCTION OF MOTOR ACCELERATION - A preload torque value generating unit ( | 09-18-2014 |
| 20140257530 | NUMERICAL CONTROLLER FOR MACHINE HAVING COMPONENT INSPECTION TIMING NOTIFICATION FUNCTION - A numerical controller for a machine tool has a component inspection timing notification function for notifying a user of the timing for inspection of each individual component used in the machine tool. The numerical controller reads an inspection cycle, acquires the date of inspection and state quantity of the component, and calculates an amount of change in state quantity. If the amount of change in state quantity is larger than a predetermined threshold, the inspection cycle is changed. If not, the next inspection date is calculated based on the last inspection date and the inspection cycle. Then, the next inspection date is notified. | 09-11-2014 |
| 20140253010 | CONTROL DEVICE FOR SERVOMOTOR - A control device of a servomotor includes a current control loop selecting unit configured to select a first current control loop or a second current control loop having a response speed slower than that of the first current control loop, as a current control loop for controlling a current flowing through the servomotor; a filter configured to attenuate an input or an output of the first current control loop or the second current control loop selected by the current control loop selecting unit in accordance with a set attenuation ratio in a specific frequency range; and a filter attenuation ratio setting unit configured to set, as the attenuation ratio of the filter, a first attenuation ratio when the first current control loop is selected by the current control loop selecting unit, and a second attenuation ratio smaller than the first attenuation ratio when the second current control loop is selected. | 09-11-2014 |
| 20140248386 | CONTROLLER OF INJECTION MOLDING MACHINE - In an injection molding machine provided with an injection member (injection screw or plunger) having a check valve, a process position of the injection member such as a metering completion position or an injection speed switching position is changed at every predetermined cycle. Thus, it is possible to periodically change a position inside a cylinder which is easy to wear and to reduce the frequency of performing the maintenance of a purging or disassembling and cleaning. | 09-04-2014 |
| 20140244034 | CONTROL SYSTEM EQUIPPED WITH DETACHABLE CONTROL PANEL - A control system ( | 08-28-2014 |
| 20140244024 | WAVEFORM DISPLAY DEVICE PROVIDED WITH SEARCH FUNCTION ACCORDING TO SET CONDITION - A waveform display device displaying by a waveform a time series of physical quantity data in a machine tool having a servo motor controlled by a numerical control device, the waveform display device including: a time series data acquisition part acquiring the time series of physical quantity data; a search condition setting part setting a search condition of the physical quantity data; | 08-28-2014 |
| 20140242207 | CLAMPING DEVICE OF INJECTION MOLDING MACHINE - An adaptor plate is provided between a platen and a mold to measure a temperature of each of divided regions obtained by dividing the adaptor plate into a plurality of regions and adjust a temperature for each of the regions. By doing so, it is possible to adjust the temperature at points closer to the center of the mold than tie bars. Further, by adjusting the temperature of the adaptor plate provided between the platen and the mold, it is possible to precisely adjust a tie bar balance and a platen parallelism even during molding. | 08-28-2014 |
| 20140241865 | COOLING JACKET INCLUDING A GROOVE UNIT THROUGH WHICH COOLING MEDIUM PASSES, STATOR INCLUDING A COOLING JACKET, AND ROTARY ELECTRIC MACHINE INCLUDING A COOLING JACKET - A cooling jacket capable of improving production efficiency. The cooling jacket includes a tubular main body having a first end face and a second end face, and a groove unit defining a flow channel of a cooling medium successively disposed axially on an outer periphery of the main body. The cooling jacket includes no portion located radially outward from a bottom of the groove unit between a first end portion of the groove unit located on the axial rear side of the main body and the first end face of the main body. | 08-28-2014 |
| 20140241824 | MACHINE TOOL WITH COVER ADAPTED FOR DISCHARGE OF CHIPS - A machine tool has a cover comprising a front cover and right and left side covers and includes a first slope part between the front cover and a table on which a workpiece is placed. The first slope part has slopes gradually declining from the center of the front cover toward left and right side covers. Further, the machine tool has also a second slope part that is connected to the left and right lower ends of the first slope part and has slopes declining rearward relative to the machine tool from the side of the front cover. If chips produced by machining are deposited on the surface of the first slope part, they are discharged onto the second slope part and into a contaminated fluid tank by a cutting fluid supplied from a nozzle. | 08-28-2014 |
| 20140241823 | MACHINE TOOL WITH COVER STRUCTURE ADAPTED FOR DISCHARGE OF CHIPS - A machine tool has a cover structure adapted for the discharge of chips. The cover is composed of a front cover, left and right side covers, and a bottom part. The bottom part is connected to a bed through the respective lower ends of the front cover and the side covers. Further, at least a part of the bottom part includes a slope gradually inclining from the side connected to the bed toward the outer periphery. Even if the chips produced during machining adhere to members inside the cover, they are washed away by a cutting fluid and discharged into a cutting fluid supply device through a channel located farthest from the central portion of the machine tool. | 08-28-2014 |
| 20140240925 | SERVO AMPLIFIER HAVING COOLING STRUCTURE INCLUDING HEAT SINK - A servo amplifier includes a housing, a heat source arranged in the housing, and a heat dissipating structure including a heat sink arranged in the housing and thermally connected to the heat source. The heat sink has heat dissipating fins extending from at least a portion of a surface of the heat sink, other than a connecting face thermally connected to the heat source. The at least a portion of the surface of the heat sink, other than the connecting face, is thermally connected to a surface of the housing. | 08-28-2014 |
| 20140240488 | APPEARANCE INSPECTION DEVICE AND METHOD FOR OBJECT HAVING LINE PATTERN - An appearance inspection device and an appearance inspection method, capable of teaching a line pattern having an arbitrary shape as a portion to be inspected, in relation to a captured image of an inspection object, by a simple teaching operation. The device has an image storing part, a teaching part, an inspecting part and an inspection factor storing part. The teaching part obtains an image of the inspection object in the teaching process, and teaches the position of an inspection point, the position and the angle of an inspection region relative to the inspection point, the inspection factor and a judgment condition. The teaching factor storing part stores a setting parameter and a teaching factor. The inspecting part executes inspection based on the teaching factor in the inspecting process. | 08-28-2014 |
| 20140239568 | ROTARY TABLE FOR MACHINE TOOL - A rotation drive device that rotates a jig plate on which a workpiece is set and a rotating shaft supporting device that supports the jig plate are disposed such as to oppose each other with the jig plate interposed therebetween. The rotation drive device and the rotating shaft supporting device are placed on a base plate. A spacer is inserted between the rotation drive device or the rotating shaft supporting device and the base plate, thereby making equal a center height of a rotating axis of the rotation drive device and a center height of a rotating axis of the rotating shaft supporting device. | 08-28-2014 |
| 20140238206 | MACHINE TOOL EQUIPPED WITH MOVABLE COVER - The machining space of a machine tool is covered by a cover. A wall section is arranged on the bottom section of the cover of a machine tool, in such a manner that there is a slight gap between the telescopic cover and the side faces of the wall section. Since the gaps between the side faces of the wall section and the side faces of the telescopic cover are small, then it is possible to prevent cutting chips from going into a space beneath the telescopic cover and accumulating under the telescopic cover. | 08-28-2014 |
| 20140238157 | ROBOT HAVING WORKPIECE MASS MEASUREMENT FUNCTION | 08-28-2014 |
| 20140236341 | WIRE ELECTRIC DISCHARGE MACHINE AND CALCULATION METHOD FOR WIRE SUPPORT POSITIONS OF WIRE ELECTRIC DISCHARGE MACHINE - One arbitrary point on an upper surface of a workpiece and two points at arbitrary heights on a tapered section of the workpiece are measured using a contact detector disposed on an upper wire guide of a wire electric discharge machine to calculate the shape accuracy and tapered angle. Based on the calculated data, the upper and lower wire guide support positions of the upper and lower wire guides are calculated. Using the calculated upper and lower wire guide support positions, electric discharge machining is performed on the workpiece. | 08-21-2014 |
| 20140235414 | TOOL HOLDING DEVICE OF MACHINE TOOL - A tool holding device of a machine tool, which holds a tool holder on which a tool is mounted, includes a holding member body and a pair of arm members that are provided on the holding member body. Roller members, which are engaged with a holding groove of the tool holder, are mounted on tips of the arm members. In addition, the holding member body, the pair of arm members, and elastic hinge members that connect the holding member body with the arm members are integrally formed. | 08-21-2014 |
| 20140234047 | MACHINE TOOL EQUIPPED WITH CHIP SCRAPER - A machine tool includes a saddle supported by a guide member installed on a bed and configured to move relative to the bed in a first direction and a table supported by a guide member installed on the saddle and configured to move relative to the saddle in a second direction orthogonal to the first direction. The machine tool further includes a protective cover installed on a side face of the table or the saddle which is parallel to a travel direction of the table or the saddle and adapted to protect the guide member from chips and a scraper installed on the protective cover and adapted to scrape out chips built up in a neighborhood of the guide member. | 08-21-2014 |
| 20140234045 | MACHINE TOOL PROVIED WITH TABLE HAVING WIPER FOR REMOVING CHIPS DEPOSITED ON MOVABLE COVER - The machine tool includes a saddle, a table which moves relative to the saddle, a telescopic cover fixed to the saddle, and a wiper fixed to the table. The telescopic cover protects a guide member which supports the saddle in such a manner as to be capable of moving with respect to the bed. When chips generated by the working of a workpiece placed on the table have deposited on the surface of the telescopic cover, the wiper fixed to the table removes the chips by the movement of the table and causes the chips to fall. | 08-21-2014 |
| 20140234044 | MACHINING TOOL WITH CUTTING FLUID PASSAGEWAY HAVING OPENED UPPER PORTION - A cutting fluid passageway that supplies a cutting fluid is disposed in a machining space (inside of a machine tool) of a machining tool isolated by a cover. The cutting fluid passageway is formed so that the upper portion thereof is opened in the passageway direction. Then, the cutting fluid is supplied from the cutting fluid passageway to a workpiece and a tool during machining or to the inside of the machine tool on which scattered chips produced by the processing are accumulated. | 08-21-2014 |
| 20140232218 | COOLING SYSTEM AND COOLING METHOD FOR COOLING ROTATING ELECTRICAL MACHINE - A cooling system and a cooling method, capable of reducing a temperature gradient of a rotating electrical machine by means of a simple structure, in relation to both axial and circumferential directions thereof. The cooling system has a coolant conveying device such as a pump, and a coolant cooling device such as a heat pump. The conveying device is fluidly communicated with a flow path via a coolant pipe | 08-21-2014 |
| 20140216867 | ELECTROMAGNETIC BRAKE WHICH HAS SHAFT DROP PREVENTION FUNCTION, ELECTRIC MOTOR, AND MACHINE - An electromagnetic brake ( | 08-07-2014 |
| 20140215200 | DATA PROCESSING DEVICE WITH SERIAL BUS THAT NEEDS INITIALIZATION BEFORE USE - A data processing device | 07-31-2014 |
| 20140214985 | CONTROLLER FOR TRANSMITTING INFORMATION ON MACHINE OR CONTROLLER VIA E-MAIL - A controller that controls a machine detects an event that has occurred in the controller or the machine to compose and store event information that contains the event. Upon receiving an e-mail acquisition request from a terminal, the controller retrieves the stored event information, composes an e-mail that contains the event information, and transmits the e-mail directly to the terminal. | 07-31-2014 |
| 20140214394 | SIMULATION DEVICE FOR CARRYING OUT SIMULATION BASED ON ROBOT PROGRAM - A simulation device capable of executing a proper simulation without changing a program, while the definition of virtual peripheral equipment and/or a PLC is not necessary. A signal status setting file, which is separated from a robot program, can be executed in parallel with the program, and includes a command for setting or changing a signal status described corresponding to a line in execution of the program, wherein the status is referenced by executing the line of the program. For example, a command of the file, described corresponding to a fifth line of the robot program, commands inputting a signal which indicates that the opening motion of a door is completed. Therefore, when the simulation is executed, in synchronization with the line in execution of the program, the setting or changing of the signal status, described corresponding to the line in execution, is performed. | 07-31-2014 |
| 20140214203 | OPERATING PROGRAM WRITING SYSTEM - An operating program writing system ( | 07-31-2014 |
| 20140211825 | MIRROR ADJUSTMENT METHOD AND MIRROR ADJUSTING SYSTEM ADJUSTING SLANTS OF MIRRORS PROVIDED AT LASER OSCILLATOR - The slant of a first mirror ( | 07-31-2014 |
| 20140211824 | LASER OSCILLATOR INCLUDING INCLINATION MEASURING UNIT FOR MEASURING INCLINATION AMOUNT OF INSIDE MIRROR - According to the present invention, a laser oscillator includes at least two mirrors and mirror holding units for holding the at least two mirrors such that the two mirrors can be inclined with respect to an optical axis. Each of the mirror holding units includes two inclination adjustment units configured to incline corresponding mirror, a pivot point portion configured to function as a pivot point when the mirror is inclined, and one inclination measuring unit configured to measure an inclination amount of the mirror inclined by the two inclination adjustment units. The inclination measuring unit is disposed in a region other than on straight lines connecting the pivot point portion with each of the inclination adjustment units. | 07-31-2014 |
| 20140210389 | MOTOR CONTROL DEVICE INCLUDING ELECTRIC STORAGE DEVICE AND RESISTANCE DISCHARGE DEVICE - A motor control device includes a rectifier, an inverter connected to the rectifier via the DC link, a power failure detecting unit detecting power failure, a voltage detecting unit detecting a DC voltage at the DC link, an electric storage unit storing DC power, a charging unit that can make charging by boosting to a voltage higher than the DC voltage, a discharging unit discharging DC power, a resistance discharge device that performs resistance discharging of DC power at the DC link when the DC voltage after power failure is equal to or higher than a predetermined start level and that does not perform resistance discharging when the DC voltage is equal to or lower than a predetermined stop level, and a discharging operation determining unit operating the discharging unit when the DC voltage at the DC link after power failure is equal to or lower than a predetermined threshold. | 07-31-2014 |
| 20140207275 | ELECTRIC HAND HAVING FORCE SENSOR - An electric hand for grasping an object by opening and closing fingers includes a force sensor for detecting forces acting on the fingers. The fingers are actuated based on a detected force value detected by the force sensor. When it is judged that the detected force value has reached a predetermined target force value, an electric current supplied to an actuating section is restricted so as not to be greater than a predetermined holding electric current. | 07-24-2014 |
| 20140207273 | CONTROL DEVICE FOR MACHINE TOOL WITH TIME ESTIMATION UNIT FOR ESTIMATING TIME UNTIL MOTOR REACHES OVERHEAT TEMPERATURE - A control device for a machine tool including a motor for driving a spindle includes: a current detection unit that detects a current driving the motor; a storage unit that stores overheat temperature specified for the motor; a temperature detection unit that detects temperature of the motor; a time estimation unit that estimates, by using the temperature detected by the temperature detection unit and the overheat temperature, time from when present estimation takes place until the motor reaches the overheat temperature, under a condition in which the current detected by the current detection unit continuously passes through the motor; and a provision unit that provides the time estimated by the time estimation unit. | 07-24-2014 |
| 20140207272 | WIRE ELECTRIC DISCHARGE MACHINE INCLUDING CONTROL MEANS FOR HOLDING WIRE ELECTRODE AT DESIRED ANGLE - A relationship between a weight of a reel supported by a column of a wire electric discharge machine when a wire electrode is wound around the reel, and an amount of slanting of the wire electrode when the wire electrode extended between an upper wire guide and a lower wire guide becomes slanted as a result of the column being deformed by the weight of the reel is stored. The weight of the reel is determined during electric discharge machining, and the amount of slanting of the extended wire electrode is determined from the weight of the reel. A compensation amount for the slanting of the wire electrode is determined from the amount of slanting, and the slanting of the wire electrode is compensated by the compensation amount. | 07-24-2014 |
| 20140207259 | MACHINE CONTROL PANEL - A key switch on a machine control panel is provided with two contacts such that the machine control panel can include two independent communication circuits. Signals from a double-contact key switch are received by the two communication circuits, and safety-related signals are transmitted from the communication circuits to a numerical controller through a bus. The signals received by the numerical controller are compared with each other so that they can be made to comply with the safety standards by monitoring the integrity of the safety function. | 07-24-2014 |
| 20140204973 | TEMPERATURE MEASURING SYSTEM OF ELECTRIC MOTOR HAVING HOLDING MEMBER HOLDING COIL END - A temperature measuring system of an electric motor, including an electroconductive holding member holding a coil end of an end of a stator coil comprised of a winding wire wound around a stator core, a resistance measuring part measuring a resistance of the holding member, and a temperature calculating part calculating a temperature of the winding wire based on a resistance value measured by the resistance measuring part. | 07-24-2014 |
| 20140200707 | NUMERICAL CONTROLLER HAVING FUNCTION OF RE-MACHINING THREAD CUTTING CYCLE - A numerical controller controlling a machine tool calculates a number of incisions to a thread on the basis of an incision start position in a feed axis direction and an incision start position in a direction of an incision axis of a thread which are measured in a state in which a workpiece (a thread in the process of machining) is attached to a chuck of the machine tool, calculates an amount of phase deviation of a screw thread caused by reattachment of the workpiece on the basis of the calculated number of incisions, and re-machines the thread by positioning the workpiece and the tool while taking into consideration of the amount of phase deviation. | 07-17-2014 |
| 20140199870 | STRUCTURE OF HIGHLY WATERPROOF CONNECTOR FOR EASY CONDUCTION BETWEEN GROUND PIN AND BODY - A connector for power or braking attached to an electric motor is based on resin molding around a ground pin and a power supply pin. In this connector, an electrical junction between the ground pin and the body of the electric motor or of a brake is disposed in a predetermined position on the inner peripheral side of a sealing portion which seals the interior of the brake or electric motor body from the air. | 07-17-2014 |
| 20140199191 | FAN MOTOR WITH ANTI-DIRT STICKING FUNCTION AND APPARATUS HAVING FAN MOTOR - A fan motor including a stator; a rotor having a cylindrical part arranged around the stator and a plurality of blades sticking out from an outer periphery of the cylindrical part to a radial direction, the rotor rotating about an axial line to blow a gas; and a housing having a disk part arranged at a side of the stator, a shroud part arranged around the blades, and a plurality of stays extending from an outer circumferential edge portion of the disk part to the radial direction to connect the disk part and the shroud part beside the blades. The stays are arranged at an upstream side from the blades in a blowing direction of the gas. | 07-17-2014 |
| 20140198455 | MOTOR-DRIVE UNIT HAVING HEAT RADIATOR - A compact motor-drive unit wherein each component can be stably fixed to the unit. A motor-drive unit has a plurality of substrates each having a circuit for driving a motor; semiconductor devices mounted on the respective substrates; at least one smoothing capacitor mounted on at least one of the substrates; and a heat radiator having a heat-transferring surface adjacent to the semiconductors. The smoothing capacitor is positioned within a swept area formed by moving the first substrate arranged generally parallel to a base surface, in a counter-front direction, so that the smoothing capacitor is separated from the first substrate. | 07-17-2014 |
| 20140197773 | MOTOR CONTROL DEVICE FOR COMPENSATING BACKLASH - A motor control device includes a position command generating unit, a difference calculating unit for calculating a difference between a positional detection value of a movable unit and a positional detection value of a driven unit, a retaining unit for retaining, as an engaging difference, the difference when the movable unit is moved in a first or second direction to engage with the driven unit, in association with the first direction and the second direction, and a compensation amount calculating unit for calculating a backlash compensation amount based on the difference calculated by the difference calculating unit and the engaging difference retained by the retaining unit. It is determined whether or not the movable unit is engaged with the driven unit by comparing a movement amount of the driven unit with a threshold. | 07-17-2014 |
| 20140197772 | MOTOR CONTROL DEVICE FOR SWITCHING PWM FREQUENCY TO USE THE SAME - A motor control device includes an inverter, a power device temperature obtaining unit, a motor temperature obtaining unit, a power device temperature determination level storage unit, a motor temperature determination level storage unit, a PWM frequency storage unit that stores at least two PWM frequencies including a high PWM frequency a low PWM frequency, a power device temperature determining unit that determines whether or not a temperature of a power device is equal to or higher than a power device temperature determination level, a motor temperature determining unit that determines whether or not a temperature of a motor is equal to or higher than the motor temperature determination level, and a PWM frequency selecting unit that selects a PWM frequency to be given as a command to the inverter. | 07-17-2014 |
| 20140197138 | WIRE ELECTRIC DISCHARGE MACHINE HAVING FUNCTION OF COMPENSATING POSITION OF WIRE ELECTRODE - While machining is carried out according to a machining program by an electric discharge machine, the pressures of a machining fluid supplied from upper and lower nozzles are detected and displacement amounts of upper and lower wire guides are obtained from the detected pressures. Further, positional compensation values of the upper and lower wire guides are calculated on the basis of the obtained displacement amounts, and command values of the machining program are compensated on the basis of the calculated positional compensation values. | 07-17-2014 |
| 20140193268 | METHOD OF FORMATION OF IMPELLER WITH SHAPE DEFINED BY PLURALITY OF LINES AND SUCH IMPELLER - An impeller ( | 07-10-2014 |
| 20140190941 | POWER SUPPLY DEVICE FOR ELECTRIC DISCHARGE MACHINING - In a power supply device for electric discharge machining, the polarity of the voltage to be applied is determined on the basis of a result of determination whether the machining gap is in open state or not, an average value of voltages applied across the machining gap voltage during machining, and the number of successive open states with the same polarity. This eliminates the need to significantly vary the voltages to be applied from positive to negative and from negative to positive, thereby reducing the output energy required by the machining power supply. | 07-10-2014 |
| 20140190940 | WIRE ELECTRICAL DISCHARGE MACHINE WHICH CORRECTS MACHINING PATH IN CORNER PORTION - In a corner portion formed at an intersection of a first block to be machined first and a second block to be machined second, an end point of the first block is extended. Then, after moving from the first block to the extended end point of the first block, a wire electrode of an electrical discharge machine returns to an end point of the original block (an end point of the original first block and a start point of the original second block) therefrom along the same path as before, and machines the second block therefrom. | 07-10-2014 |
| 20140188274 | ROBOT SYSTEM DISPLAY DEVICE - A robot system display device is provided for graphically displaying components of a robot system which carries out a desirable process by measuring a position of a target object with a vision sensor. The robot system display device acquires an arrangement of the vision sensor relative to other components of the robot system based on calibration data for the vision sensor and pre-stored shape information of the vision sensor. The robot system display device graphically displays the vision sensor in a virtual space based on the relative arrangement. | 07-03-2014 |
| 20140180467 | LOAD DISPLAY DEVICE FOR MACHINE TOOL - A load display device for a machine tool acquires machine coordinate values and load values for axes of the machine tool for each predetermined time from an axis drive control unit for drivingly controlling the machine tool. Three-dimensional coordinate values of a tool center point is calculated to obtain a tool trajectory, based on the machine coordinate values for the axes acquired for each predetermined time and information on a configuration of the machine tool. As the tool trajectory is displayed by a display device, vectors of the load values for the axes stored for each predetermined time are displayed. | 06-26-2014 |
| 20140176761 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD FOR EXECUTING IMAGE PROCESSING TO DETECT OBJECT IN IMAGE - An imaging command unit commands an imaging device to image an object projected with a shaded image where a predetermined shade value is set with respect to each pixel. An image acquisition unit acquires a shaded image imaged by the imaging device in accordance with a command of the imaging command unit. An image production unit produces a shaded image where any of shade values is set with respect to each pixel so as to have a brightness distribution opposite to a brightness distribution of the shaded image. An imaging command unit commands the imaging device to image the object projected with the shaded image. The image acquisition unit acquires a shaded image imaged by the imaging device in accordance with a command of the imaging command unit. An object information acquisition unit acquires information on the object in the shaded image based on the shaded image. | 06-26-2014 |
| 20140175063 | WIRE ELECTRIC DISCHARGE MACHINE THAT AUTOMATICALLY CORRECTS MACHINING ROUTE ACCORDING TO CORNER ANGLE - A wire electric discharge machine corrects a machining route according to an angle between two moving blocks that form a corner portion. A correction distance and a return distance are computed based on a detected corner angle. The correction is implemented so that an end point of a block to be machined first is extended according to the correction distance, and a portion extending from a start point of a block to be machined subsequently to an intermediate point of this block is removed according to the return distance. A machining route is created so that the end point of the new block created by the extension is connected to the start point of the other block created by the removal, and the wire electrode is moved along the machining route relative to a workpiece. | 06-26-2014 |
| 20140172165 | ROBOT OPERATION SYSTEM HAVING A PLURALITY OF ROBOTS - A robot operation system including a plurality of robots, by which a cost and/or operators of the system are reduced. The operation system includes one component supplying unit, a plurality of operation units, and a component conveying device which connects the component supplying unit and each operation unit and conveys a component supplied from the component supplying unit to each operation unit. | 06-19-2014 |
| 20140172129 | MACHINE CONTROL DEVICE - A machine control device includes a control unit body and a display operation device that can be separated from the control unit body. The display operation device uses a mechanism which does not use power while the display operation device waits for charging. The display operation device is automatically turned on and off on the basis of the on and off states of the control unit body. A power switch can be provided only in the control unit body. The supply of power from the control device can be automatically turned on and off on the basis of the state of the display operation device. Therefore, the operability and reliability of the machine control device are improved. | 06-19-2014 |
| 20140167672 | SERVO CONTROLLER FOR CORRECTING POSITION ERROR WHEN MOVING MEMBER REVERSES - A servo controller ( | 06-19-2014 |
| 20140167551 | ROTOR OF INTERNAL PERMANENT MAGNET SYNCHRONOUS MOTOR AND INTERNAL PERMANENT MAGNET SYCNRONOUS MOTOR - A rotor of an internal permanent magnet synchronous motor including a rotor core, a plurality of slots formed in the rotor core, and a plurality of permanent magnets housed in the plurality of slots. Each of the slots includes a holding part formed between a first outside diameter surface and a first inside diameter surface to hold each of the permanent magnets, and an opening part formed at both sides of the holding part and formed by a second outside diameter surface, a second inside diameter surface and a connecting surface connecting them. The second outside diameter surface is formed to a curved shape so that a distance to an outer circumferential surface of the rotor core in the diametrical direction gradually becomes smaller from both ends of the second outside diameter surface to an intermediate part in the circumferential direction. | 06-19-2014 |
| 20140161925 | NOZZLE TOUCH MECHANISM OF INJECTION MOLDING MACHINE - A plurality of connecting rods are attached to an injection device located opposite a stationary platen on a base structure of an injection molding machine. The stationary platen is provided with a magnetism generating unit formed of a permanent magnet, and the connecting rods are provided with a magnetic body. As the magnetism generating unit and the magnetic body are attracted to each other by magnetism, a nozzle of an injection unit is brought into contact with a mold. By this structure, the stationary platen can be prevented from inclining during nozzle touch operation. | 06-12-2014 |
| 20140156080 | SERVO CONTROL SYSTEM WITH POSITION COMPENSATION FUNCTION FOR DRIVEN MEMBER - A servo control system including a servo motor, a driven member driven, a coupling mechanism coupled with the servo motor and the driven member, and a motor control part controlling the servo motor. The motor control part includes a position command generating part generating a position command value of the driven member, a force estimating part estimating the drive force acting on the driven member, a compensating part compensating the position command value based on the drive force estimated by the force estimating part, and a control signal output part outputting a control signal to the servo motor based on a position command value compensated by the compensating part. | 06-05-2014 |
| 20140156066 | ELECTRIC HAND WITH A FORCE SENSOR - When a gripping instruction is issued, a position feedback control is performed so that an actuator of an electric hand is driven and a finger portion is moved toward a predetermined position target value. When the finger portion comes into contact with a target, the contact is determined by a force sensor. Then, the position feedback control is switched to a force feedback control, and the actuator is driven so that a force detection value obtained by the force sensor matches a predetermined force target value, so that the target may be gripped by an accurate gripping force. | 06-05-2014 |
| 20140156057 | MACHINE TOOL INCLUDING NUMERICAL CONTROLLER WITH FUNCTION TO DETERMINE REPLACEMENT TIME FOR MAINTENANCE COMPONENT - A controller for a machine tool outputs an operation instruction signal to the machine tool. The machine tool transmits a signal indicating that the instructed operation is compete. The controller determines a response time of operation to be a difference in time between a point in time when the numerical controller outputs an operation instruction signal and a point in time when the numerical controller receives a signal from the machine tool. When the response time of operation exceeds a preset value, the numerical controller determines that a corresponding maintenance component needs to be replaced and informs a user of the need for replacement by means of a display unit. | 06-05-2014 |
| 20140152595 | DISPLAY SYSTEM FOR MACHINE USING PORTABLE DISPLAY DEVICE - A plurality of machines are controlled by respective corresponding numerical controllers. One portable display device is enabled to be connected to one numerical controller selected from the plurality of numerical controllers. The numerical controller which has been selected generates display data by display software in the, numerical controller, based on a key operation performed at the portable display device that is connected to the numerical controller. The portable display device receives the display data generated by the numerical controller, and displays the data on its display. | 06-05-2014 |
| 20140152230 | MOTOR POWER INTERRUPTING DEVICE OF INJECTION MOLDING MACHINE - A controller of an injection molding machine stores used/unused information in relation to each of the maximum number of controllable servo amplifiers, outputs an interruption request signal requesting power interruption in a lump to apart of or all of these plurality of servo amplifiers, and receives a power interruption confirmation signal confirming that the motor power of the servo amplifiers is interrupted. Further, the controller determines, on the basis of the interruption request signal, the power interruption confirmation signal and the used/unused information, whether or not interruption driving the servo motor is normally operated. | 06-05-2014 |
| 20140152204 | MAGNETIC POLE POSITION DETECTOR FOR SYNCHRONOUS MOTOR - A magnetic pole position detector includes, a voltage command unit that generates high-frequency voltage command in a dq coordinate system, a three-phase transformation unit that transforms the high-frequency voltage command in the dq coordinate system to high-frequency voltage command in a three-phase coordinate system by using an estimated magnetic pole position, a current detection unit that detects three-phase current fed from a power converter for generating drive power, a dq transformation unit that transforms the detected three-phase current to current in the dq coordinate system by using the estimated magnetic pole position, an estimated magnetic pole position calculation unit that calculates a new estimated magnetic pole position to be used in three-phase dq transformations, and a magnetic pole position confirmation unit that confirms that, when converging on a certain position, the estimated magnetic pole position is the magnetic pole position at the time when the synchronous motor is started. | 06-05-2014 |
| 20140152141 | STATOR OF ELECTRIC MOTOR | 06-05-2014 |
| 20140152128 | STATOR OF ROTARY ELECTRIC MACHINE INCLUDING RESTRICTING MEMBER FOR PREVENTING DEFORMATION OF COIL END PORTIONS AND ELECTRIC MOTOR INCLUDING SUCH STATOR - A stator of a rotary electric machine includes a stator core and coils. The stator core is provided with a plurality of slots extending in an axial direction and being spaced apart from one another in a circumferential direction. The coils are wound around through the slots. The coils include coil end portions which protrude outward in the axial direction from an end surface of the stator core. The stator includes a restricting member situated on an inner side of the coil end portions in the radial direction. The restricting member serves to prevent deformation of the coil end portions inward in the radial direction. | 06-05-2014 |
| 20140137685 | CABLE ARRANGEMENT STRUCTURE OF MULTI-JOINT ROBOT - A cable arrangement structure capable of properly arranging a motor-drive cable while preventing a robot from being complicated and increased in size. Among first to sixth motor-drive cables, at least first to third motor-drive cables are introduced to a cable outlet formed on at least one of a rotating body, a first arm and a second arm. The motor-drive cables, introduced to the outlet, are withdrawn outside the robot as a cable bundle or separate cables, and are connected to a robot controller positioned separately from the robot. | 05-22-2014 |
| 20140135975 | WIRE ELECTRIC DISCHARGE MACHINE CONTROLLER, WIRE ELECTRIC DISCHARGE MACHINE, AND WIRE ELECTRIC DISCHARGE MACHINING METHOD - A wire electric discharge machining program is analyzed and a target shape for a workpiece is created. Multiple amounts of adjustment by which the amount of wire radius compensation for a wire electrode is adjusted are set. One or more desired ones are selected from the amounts of adjustment, and the amount of wire radius compensation is calculated by adding the selected amount(s) of adjustment to the amount of wire radius compensation. A machining route which is offset from the created target shape by the calculated amount of wire radius compensation is created. | 05-15-2014 |
| 20140135974 | WIRE ELECTRIC DISCHARGE MACHINE HAVING PEAK CURRENT COMPENSATION FUNCTION - A wire electric discharge machine is configured to machine a workpiece by computing an electric current at the machining time before starting a main machining and compensating a power source voltage for machining. The wire electric discharge machine measures an average electric current and an electric discharge frequency at the machining time, in a measuring section in an approach before the main machining, and computes a peak current at the machining time. Further, an electric voltage of a machining power source is compensated by comparing the computed peak current at the machining, with a reference peak current. | 05-15-2014 |
| 20140134284 | MOLD THICKNESS ADJUSTING APPARATUS OF INJECTION MOLDING MACHINE - An injection molding machine is provided with an automatic mold thickness adjusting apparatus. The amount of compensation of the position of a rear platen that is adjusted at the time of installation of a mold is determined by calculating the thermal expansion of the mold that is expected to occur at the completion of a rise in temperature based on the difference in temperature between the mold temperature at the time of mold thickness adjustment and the mold temperature at the time of injection molding. Then, the rear platen is moved to the compensated position thus determined. | 05-15-2014 |
