| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219124100 | With automatic positioning of arc | 35 |
| 20080203072 | Method and a Device for Providing Feedback on Weaving Parameters - A method and a device for providing feedback on weaving parameters in connection with programming an industrial robot provided with a tool to perform a weaving movement. The device includes a simulation unit receiving the weaving parameters and on basis thereof performing a simulation of the weaving movement with a mathematical model of the weaving movements, a graphical unit receiving the calculated trace and on basis thereof producing a graphical representation of the weaving movement, and a display unit displaying the graphical representation of the weaving movement. | 08-28-2008 |
| 20080308539 | TANDEM WELDING CARRIAGE WITH CHANGEABLE WHEEL CONFIGURATION AND MODULAR CONSTRUCTION - An invention is provided which comprises a tandem welding carriage having at least two welding carriages coupled to each other. Each of the welding carriages having a base, rear wheel assemblies disposed at one end of the base, and welding attachment portions. The two welding carriages are coupled to each other using a coupling member, and each welding carriage is carrying an arc welding device and/or spool to allow for tandem arc welding. | 12-18-2008 |
| 20090107969 | ARC WELDING ROBOT CONTROL SYSTEM AND METHOD THEREOF - An arc welding robot control system of the present invention includes memory devices, controlling devices, a welding condition changing position calculating device, a weaving operation controlling device that outputs a signal of completion of one weaving cycle every time when a welding torch completes to perform one weaving cycle of a predetermined movement pattern, a welding condition calculating device for calculating to-be-changed welding conditions, and a welding condition changing device that changes welding conditions of an arc welding robot, based on to-be-changed welding conditions, every time when a signal of completion of one weaving cycle is input. With this configuration, it enables a continuous change of welding conditions and a copying arc welding with high accuracy even in the case in which the arc welding robot performs a weaving operation. | 04-30-2009 |
| 20120074112 | ARC WELDING METHOD REDUCING OCCURRENCES OF SPATTER AT TIME OF ARC START - An arc welding method which makes a welding torch or welding object which is supported by a robot move and performs arc welding using a welding start point on the welding object as a start point, which method includes a step of feeding a weld wire to the welding start point, a step of stopping the feed of the weld wire after a tip of the weld wire contacts the welding object, a step of supplying a pre-arc welding power in a range where no arc is generated to input heat to the weld wire and the welding object, a step of supplying an arc generating welding power which causes generation of an arc while retracting the weld wire, and a step of supplying main welding power to perform main welding and which method reduces occurrences of spatter at the time of arc start. | 03-29-2012 |
| 20120118864 | AUTOMATIC MECHANICAL GUIDE SYSTEM FOR ONE OR MORE WELDING UNIT TORCHES WITH THREE PIVOT AXES FOR THE TORCH(ES) - A mechanical system for automatic guiding of one or more torches of a welding unit in a groove delimited by chamfered end surfaces of two metal parts to be welded together, including a main carriage moving along a stationary guide relatively parallel to the groove, a secondary carriage that is connected to the main carriage by a hinged linking assembly and that includes a torch supporting unit and a guiding device including bearing members in contact with the surfaces of the metal parts bordering the groove and sensing members that enter the groove. The hinged linking assembly includes three pivoting axes. | 05-17-2012 |
| 20120234811 | AUTOMATIC WELDING METHOD AND APPARATUS - A method of automatically controlling welding using a welding apparatus having a heat-source and a wire feed. The method includes: setting at least one welding parameter; setting a stable wire interaction position where the wire fed by the wire feed interacts with the heat generated by the heat-source so as to produce an acceptable weld; and monitoring the wire interaction position during welding. If the wire interaction position deviates from the stable wire interaction position by more than an allowable tolerance at least one welding parameter is automatically altered to return the wire interaction position to within the allowable tolerance of the stable wire interaction position. The invention also relates to an apparatus for carrying out the method. | 09-20-2012 |
| 20130087542 | WELDING SYSTEM - The movement of a single electrode by a welding robot system (a) is followed by the movement of a single electrode by another welding robot system (b). By constructing the single electrode of one welding robot system (a) and the single electrode of the another welding robot system (b) to perform welding simultaneously in the same direction on the same welding line, the degrees of freedom of the robots are not restricted, the available welding range becomes wide, and constraints on the posture of the robots are eliminated, compared with a case where a tandem welding-dedicated torch is used. | 04-11-2013 |
| 20130119032 | SYSTEM AND METHOD FOR WELDING MATERIALS OF DIFFERENT CONDUCTIVITY - An arc welding system for welding materials of different electric conductivity has a robotic arm and a welding torch with a nozzle, disposed on a first end of the robotic arm, for applying an amperage to a wire supply at the nozzle. The arc welding system has a controller for controlling direction and speed of movement of the robotic arm and for controlling the amperage applied by the welding torch. | 05-16-2013 |
| 20130126494 | SYSTEM AND METHOD FOR MOUNTING A TRACTOR UNIT ON A GUIDE TRACK - A tractor unit mounting mechanism includes a clamping assembly that is configured to engage and disengage the tractor unit to a track guide. The tractor unit includes at least two pivot blocks with each pivot block including at least one rolling device and a locking mechanism. The at least one rolling device is designed to roll on a rail of the guide track. The clamping assembly is configured to operatively connect the at least one rolling device with the guide track when the tractor unit is engaged. The pivot block is configured to pivot such that the at least one rolling device can conform to a profile, e.g., a concave profile, convex profile, a straight profile, or any combination thereof, of the guide track as the tractor unit is engaging the guide track. The locking mechanism, e.g., a bushing, is configured to prevent the pivot block from pivoting once the tractor unit has engaged to the guide track. | 05-23-2013 |
| 20130126495 | WELD HEAD ANGLE ADJUSTMENT SYSTEM - A weld head angle adjustment system includes a weld head, a base unit, and an angle adjustment mechanism. The weld head includes a welding torch and an arc voltage control assembly that is operatively connected to the welding torch and configured to move the welding torch. The angle adjustment mechanism is operatively connects the weld head to the base unit and is designed to change an angle between the welding torch and the base unit while ensuring that an orientation between the welding torch and the arc voltage control assembly remains fixed as the angle between the welding torch and the base unit is changed. In some embodiments, the angle adjustment mechanism includes a bolt that connects the weld head to the base unit. The angle adjustment mechanism is configured such that the angle between the welding torch and the base unit can be adjusted when the bolt is in a first state and the angle is fixed when the bolt is in a second state. | 05-23-2013 |
| 20130327746 | ELECTRODE DIAMETER SENSING CONSUMABLES - The present disclosure provides a welding system capable of detecting a size of a welding material and automatically implementing appropriate arc starting parameters. The welding system includes a welder, a welding torch, and a sensor, in which the sensor is configured to detect the size of the welding material, directly or indirectly. The welder is automatically configured to produce an arc having the arc starting parameters determined from the size of the welding material detected by the sensor. The present disclosure decreases operational error by automatically changing arc starting parameters and/or welding parameters based upon a change in welding material size, rather than requiring an operator to manually change the arc starting parameters and/or welding parameters. | 12-12-2013 |
| 20140076871 | WAVEFORM COMPENSATION SYSTEMS AND METHODS FOR SECONDARY WELD COMPONENT RESPONSE - A method includes receiving data corresponding to a weld waveform that is generated during a welding operation and determining, based on the received data corresponding to the weld waveform, an overshoot voltage for the welding operation that exceeds an expected voltage level. The method further includes receiving data corresponding to a measured stud voltage and calculating, based on the overshoot voltage and the measured stud voltage, a stud voltage for the welding operation. The method also includes controlling at least one parameter of the welding operation based on the stud voltage for the welding operation. | 03-20-2014 |
| 20140116999 | ARC WELDING APPARATUS, CONSTANT VOLTAGE CHARACTERISTIC WELDING POWER SOURCE, AND METHOD FOR PERFORMING ARC WELDING - An arc welding apparatus includes a lifting motor. A speed adjustment circuit controls the lifting motor such that the rising speed of the welder decreases if a current of the welding power source is smaller than a set value, or increases if the value of the current is larger than the set value. A voltage adjustment circuit controls the welding power source such that the voltage increases if the number of times that the voltage falls below a determination voltage is larger than a set number of times or if periods for which the voltage remains below the determination voltage are longer than a set time, or decreases if the number of times that the voltage falls below a determination voltage is smaller than a set number of times or if periods for which the voltage remains below the determination voltage is shorter than a set time. | 05-01-2014 |
| 20140144896 | SYSTEM AND METHOD FOR MANUAL SEAM TRACKING DURING WELDING AND WELDING ASSISTANCE SYSTEM - A system for improved manual welding is provided. The system includes a novel nozzle for maintaining fixed electrode-work piece distance, sensors such as optical, temperature, ultrasound and the like for providing feedback on weld quality, and indicators such as a video screen indicating actual vs. desired weld characteristics (such as speed, size, position, and the like). Furthermore actuators in the device allow for control over movement either perpendicular to the weld seam, parallel to it, or both. For example an eccentric axis allows for automation of the welding weave motion. | 05-29-2014 |
| 20150375325 | ADAPTIVE WELDING APPARATUS, CONTROL SYSTEM, AND METHOD OF CONTROLLING AN ADAPTIVE WELDING APPARATUS - An apparatus for adaptive welding is provided. The apparatus includes an arc welding robot having a repositionable arc welding gun. The arc welding robot is configured to position the arc welding gun at a location of a joint formed at an interface of at least a first workpiece and a second workpiece. The apparatus further includes a thermographic imager that is configured to measure a temperature of at least one of the first workpiece and the second workpiece at the location. The apparatus also includes a controller that is in signal communication with the arc welding robot and the thermographic imager. The controller is configured to select a weld schedule for forming a weld at a location based at least in part on the temperature measured with the thermographic imager and a joint profile of the location before the weld is formed. | 12-31-2015 |
| 20150379894 | SYSTEM AND METHOD OF MONITORING WELDING INFORMATION - A method of operating a welding system includes receiving welding data corresponding to a welding session for a weld, receiving a location selection from an operator, and displaying on a display a graphical representation of welding parameters of the welding selection corresponding to the location selection. The welding data includes welding parameters, including a work angle of a welding torch, a travel angle of the welding torch, a contact tip to work distance, a travel speed of the welding torch along a path of the weld, an aim of the welding torch, or any combination thereof. The location selection corresponds to a point along the path of the weld traversed by the welding torch. | 12-31-2015 |
| 20160114418 | VIRTUAL REALITY CONTROLLED MOBILE ROBOT - In certain embodiments, a portable metal working robot system includes a metal working tool configured to perform a metal working process on one or more metal parts. In addition, the portable metal working robot system includes communication circuitry configured to receive control signals from a control system located remotely from the portable metal working robot system. The portable metal working robot system also includes control circuitry configured to control operational parameters of the portable metal working robot system in accordance with the received control signals. | 04-28-2016 |
| 219124210 | Including work cutting | 1 |
| 20140203000 | PROCESS FOR IDENTIFYING EXISTENCE OF PARTIALLY WELDED SPOTS AND RETENTION OF CUT-OUT PART IN WIRE-CUT ELECTRICAL DISCHARGE MACHINING - A process for identifying existence of a welded spot on a cut-out part and retention of the cut-out part on a workpiece in a wire electrode is disclosed which makes it possible to go ahead process steps while identifying automatically the retention of the cut-out part on a workpiece, ensuring unmanned work of the wire electrode discharge processor with saving the personnel and labor. The process comprises a rough cutting step to cut out the part from the workpiece, a welding step to partially weld the part with the workpiece, and an inspection step to detect whether the wire electrode comes into contact with a welded spot while moving the wire electrode along the cutting path of kerf in the workpiece. After the wire electrode has come into contact with the welded spot whereby the retention of the part on the workpiece has been identified, a step goes ahead to one of next procedures. On the other, after the wire electrode has come into no contact with the welded spot whereby no retention of the part on the workpiece has been identified, a step goes ahead to generate an alarm and the wire electrical discharge is ceased. | 07-24-2014 |
| 219124220 | In response to work shape | 13 |
| 20090230106 | BURIED-ARC WELDING WITH THRU-THE-ARC SEAM TRACKING - One embodiment of the present invention relates to a system for buried-arc welding with thru-the-arc seam tracking. Another embodiment of the present invention relates to a method for buried-arc welding with thru-the-arc seam tracking. | 09-17-2009 |
| 20120255938 | ROBOT SYSTEM - This robot system includes a robot, a laser emitting portion moved by the robot, emitting a laser beam to a target workpiece, and a control portion controlling the laser emitting portion to emit the laser beam on the basis of information regarding an arbitrarily-shaped work locus and movement information of the laser emitting portion. | 10-11-2012 |
| 20140014637 | SYSTEM AND METHOD FOR PERFORMING REMOTE WELDING OPERATIONS ON AN APPARATUS - A system for performing remote welding operations on an apparatus is disclosed. The system may generally include a welding chamber configured to house the apparatus and a robotic welder positioned within the welding chamber. The robotic welder may be configured to perform an actual welding operation on the apparatus. In addition, the system may include a welding simulation device positioned outside the welding chamber and a controller communicatively coupled to the robotic welder and the welding simulation device. The welding simulation device may be configured to perform a simulated welding operation corresponding to the actual welding operation. The controller may be configured to track the movement of the welding simulation device and control the operation of the robotic welder based on the movements of the welding simulation device. | 01-16-2014 |
| 20150352653 | GRAVITY-BASED WELD TRAVEL SPEED SENSING SYSTEM AND METHOD - A welding system includes an orientation sensing system associated with a welding torch and is configured to sense a welding torch orientation relative to a direction of gravity. The welding system also includes a processing system communicatively couple to the orientation sensing system and configured to determine an angular position of the welding torch relative to a pipe based at least in part on the sense welding torch orientation. | 12-10-2015 |
| 219124310 | Having carriage supported by work | 1 |
| 20150041446 | WELDING CARRIAGE - A welding carriage traveling with a welding torch mounted thereon includes: a carriage body; and a torch supporting part disposed between the front and rear ends of carriage body and supporting a tip of the welding torch in a state of positioning on a side surface side of the carriage body and facing diagonally downward. The torch supporting part includes a torch swinging unit and a weaving unit. The torch swinging unit includes a torch swinging mechanism which swings the tip of the welding torch in a forward and rearward direction of the carriage body, and thereby moves tip close to the welding line. The weaving unit includes a weaving mechanism which operates so as to integrally rotate a unit case and a torch mounting bar of the torch swinging unit about a screw, thereby to cause the welding torch to perform a weaving operation. | 02-12-2015 |
| 219124330 | Having electrode angle control | 2 |
| 20130026148 | WELDING APPARATUS AND WELDING METHOD - A welding apparatus of an embodiment includes: a welding torch and a shape sensor attached to a welding robot; a shape data extraction unit extracting, from measured data measured by the shape sensor, shape data representing an outline of an object to be welded; a transformation data calculation unit calculating, based on a position and a posture of the shape sensor, coordinate transformation data for correcting the shape data; a shape data correction unit correcting the shape data based on the coordinate transformation data; an angle calculation unit calculating, based on the corrected shape data, an inclination angle of a groove of the object to be welded; and a welding position and posture determination unit determining, based on the inclination angle of the groove, a position and a posture of the welding torch. | 01-31-2013 |
| 20140203001 | WELD LINE-DETECTING METHOD AND INDUSTRIAL ROBOT - The present invention is a weld line-detecting method when fillet welding by an industrial robot including a welding torch is taught. The welding torch on which an angle sensor having a contactor is attached is moved toward a welding object, angle information obtained when the contactor is in contact with the welding object is transmitted to the industrial robot, and the industrial robot moves the welding torch based on the angle information so that the angle of the contactor becomes zero. These operations are repeated, and the welding torch is moved toward a fillet part along the surface of the welding object. When the contactor arrives at the fillet part, a signal indicating that the contactor is pressed in the axial direction of the contactor is transmitted to the industrial robot. The industrial robot detects that the contactor arrives at the position to be welded on the weld line. | 07-24-2014 |
| 219124340 | By using probe means | 6 |
| 20130126496 | TORCH LEAD/LAG ANGLE ADJUSTMENT DEVICE - A lead/lag torch angle adjustment system for a weld held. The weld head device includes a torch head assembly that includes an electrode. The weld head device also includes a support device that supports the torch head assembly and a barrel assembly that is operatively connected to the torch head assembly and the support device. The barrel assembly is configured to change at least one of a lead angle and a lag angle of the electrode with respect to a workpiece. The barrel assembly includes an adjustment mechanism that includes a first section that is operatively connected to the torch head assembly. The adjustment mechanism also includes a second section that is configured to accept the mount plate. The barrel assembly also includes a mount plate that is operatively connected to the support device and at least one barrel clamp. The barrel clamp is configured to attach to the mount plate and also configured to accept the second section. In some embodiments, the second section is conical shaped, and a transverse movement of the at least one barrel clamp produces a force on the conical shaped second section that forces the second section towards the mount plate. | 05-23-2013 |
| 20130220985 | WELDING DEVICE - A welding device applies weld material between two work pieces (P | 08-29-2013 |
| 20160107272 | JOINING A WORKPIECE IN A CONCEALED JOINING SEAM - A method for joining concealed workpiece parts by an energy beam, wherein a lower workpiece part and an upper workpiece part are positioned relative to each other; the upper workpiece part contacts the lower workpiece part along a joining contour; the energy beam is directed onto an upper side of the upper workpiece part, moved along the joining contour by a controller, in order to join the upper workpiece part to the joining contour; an exploratory seam is produced on the upper work piece part, for detecting the joining contour; a detector detects a boundary at which a surface area of the upper work piece part borders a surface area of the upper work piece part which does have contact with the joining contour; the controller registers a position of the boundary and compares it with a target position of the boundary which is stored in the controller. | 04-21-2016 |
| 20160158866 | AUTOMATED WELDING OF MOULDS AND STAMPING TOOLS - A tool welding system is disclosed that includes a table that heats a tool. A multi-axis robot includes a welding head that is moved relative to the table in response to a command. A controller is in communication with the robot and generates the command in response to welding parameters. The weld parameters are based upon a difference between an initial tool shape and a desired tool shape. The difference between the initial tool shape and the desired tool shape corresponds to a desired weld shape. The desired weld shape is adjusted based upon initial tool shape variations, which includes thermal growth of the tool. The tool is welded to provide the desired weld shape to achieve a desired tool shape. | 06-09-2016 |
| 20160175964 | WELDING VISION AND CONTROL SYSTEM | 06-23-2016 |
| 20160193680 | AUTOMATED WELDING TRANSLATION PLATFORM | 07-07-2016 |
| 219124400 | In response to work position | 2 |
| 20100140240 | POSITIONING MEANS AND METHOD OF USE THEREOF - A positioning device ( | 06-10-2010 |
| 20150122787 | LASER ENCLOSURE - The present invention is an enclosure for a laser, the enclosure having positive pressure in the line to generate a positive gas flow within the enclosure so as to keep welding fumes, welding spatter and other contaminants off a laser beam lens. | 05-07-2015 |
| 219124500 | In response to the transfer rate of the weld metal | 2 |
| 20130206740 | OPTICAL-BASED WELD TRAVEL SPEED SENSING SYSTEM - A travel speed sensing system includes an optical sensor configured to be coupled to a welding torch. The optical sensor is configured to sense light incident on the optical sensor, and the travel speed sensing system is configured to determine a travel speed of the welding torch, a direction of the welding torch, or both, based on the sensed light. | 08-15-2013 |
| 20140263224 | WELDING TRAINING SYSTEMS AND DEVICES - A welding tool includes a first handle and a second handle. The welding tool also includes a torch nozzle holder configured to hold a nozzle of a welding torch therein, and to block the nozzle from extending therethrough. The welding tool includes a blade assembly positioned a predetermined distance from the torch nozzle holder. The blade assembly is configured to cut welding wire extending through the blade assembly to calibrate wire stickout from the welding torch to the predetermined distance. | 09-18-2014 |
