| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 082118000 | With program control | 24 |
| 20080196563 | Method for Mechanical Machining, in Particular for Drilling and Turning Light Alloy Wheels, and a Mechanical Machining Installation Operating According to this Method - A method for mechanical machining, in particular for drilling and turning light alloy wheels , comprising prior to the mechanical machining step, a step of orientation and measurement of the wheel including the steps of arranging a device for seating the wheel with at least three seating areas spaced apart from each other angularly at a regular angular pitch and forming respective seating surfaces coplanar with each other and belonging to a common reference plane, a wheel being brought into seating contact on these surfaces with a portion of its front flange, the wheel being approximately coaxial with a central reference axis of the device perpendicular to the reference plane; determining using distance sensing means the radial coordinates of a first plurality of points of a common surface of the flange, the points of this plurality being identified by moving the sensing means radially relative to the central reference axis along respective directions radial to this axis until the flange is intercepted, and calculating by interpolation of the radial coordinates of the first plurality of points; and the step of determining with the sensing means the coordinates of a second plurality of points belonging to a common surface of the flange; and storing the position coordinates of the second plurality of points relative to the reference plane and to the median plane to allow orientated repositioning of the wheel in the subsequent steps of mechanical machining, in order to obtain, at least at the second plurality of points, machined surface areas of flange belonging or arranged parallel to the median plane, so as to compensate for errors of planarity in the wheel flange. | 08-21-2008 |
| 20080245199 | COMBINED MACHINING LATHE - There is provided a combined machining lathe provided with a work supporting device for preventing the occurrence of chattering at the time when a work is machined. The combined machining lathe | 10-09-2008 |
| 20080264220 | Threading device on a numerically controlled lathe - A piece-threading device on a numerically controlled lathe comprises a supporting assembly having an inner rotatively driven body which, on a side thereof facing a workpiece to be threaded, comprises a plurality of threading tools, the rotatively driven body having a built-in electrical rotor ( | 10-30-2008 |
| 20080271581 | TOOLHOLDER - A toolholder with a controllable critical angle, such as a lead, trailing, rake or clearance angles, includes a tool spindle for retaining the toolholder in a tool rest of a machine tool. The machine tool includes at least one linear axis, for example, three mutually perpendicular axes, a rotary axis and a rotation axis. The rotary axis and/or rotation axis is controllable to move to a specified position in synchronization with a movement of one of the linear axes. An adaptor supports a cutting tool that is retained in the adaptor by a clamp. The cutting tool defines a critical angle, such as a lead angle, a trailing angle, a rake angle and a flank clearance angle, wherein the critical angle is corrected as a vector of movement of at least one of the linear axis is changed. In addition, the cutting tool can be positioned on opposite side of a centerline of rotation of the workpiece to effectively double the life of the cutting tool. A method of controlling a toolholder is also disclosed. | 11-06-2008 |
| 20090107309 | DYNAMIC ALIGNMENT MONITORING SYSTEM FOR ON-VEHICLE DISK BRAKE LATHE - A dynamic alignment monitoring system allows an operator to monitor the misalignment of an on-vehicle disk brake lathe with respect to a vehicle axis about which the disk to be machined rotates, and can allow the operator to discontinue further alignment when appropriate in order to speed the overall time of the alignment process. The system processes signals from an angular rate sensor and a tachometer, using a scaling routine to derive a LRO value corresponding to the LRO of the disk which would result from machining in the current alignment condition. A representation of the derived LRO value is displayed to the operator. An operator override can allow the operator to discontinue further alignment adjustments when an acceptable alignment condition is indicated. The system can aid the operator by also presenting a representation of an acceptable LRO value for the particular vehicle being serviced. | 04-30-2009 |
| 20100050832 | ULTRA-PRECISION MACHINE TOOL - A 5 axis motion controlled ultra-precision machine tool is provided in which major portions are composed as a structure completely symmetric about the machining point and errors due to thermal displacement can be minimized. | 03-04-2010 |
| 20100242693 | CUTTING-EDGE POSITION DETECTING METHOD AND CUTTING-EDGE POSITION DETECTING APPARATUS - The cutting-edge position detecting method includes the steps of: under a condition in which the cutting edge of the tool is positioned in an image that is taken by a camera, performing first sampling scanning operations for the image in a predetermined scanning direction at predetermined first intervals, and recognizing points on an upper edge line of the cutting edge of the tool and points on a lower edge line thereof, based on brightness changing points upon the first scanning operations; connecting the recognized points on the respective two edge lines, so as to obtain two first-level approximate linear lines by a least-squares method; performing second sampling scanning operations for the respective two first-level approximate linear lines in directions perpendicular thereto at predetermined second intervals, and newly recognizing points on the upper edge line of the cutting edge of the tool and points on the lower edge line thereof, based on brightness changing points upon the second scanning operations; connecting the newly recognized points on the respective two edge lines, so as to obtain two second-level approximate linear lines by a least-squares method; and obtaining a coordinate of an intersection of the second-level approximate linear lines, as the position of the cutting edge of the tool, with respect to the measurement reference point. | 09-30-2010 |
| 20100288089 | MACHINING METHOD AND MACHINING SYSTEM - The present invention relates to a machining system etc. capable of highly accurately machining a workpiece even in a case where the workpiece is deflected. A machining system | 11-18-2010 |
| 20110000348 | Control and management method for lathes and loaders for lathes and apparatus for performing the method - A control and management method for lathes and loaders for lathes, comprising the steps of:
| 01-06-2011 |
| 20120006162 | ULTRA-PRECISION MACHINING SYSTEM - An ultra-precision machining system includes a worktable, a first support device, a second support device, a rotating shaft, a cutting tool, a detector and a controller. The first support device is fixed on the worktable. The second support device is movably mounted on the worktable. The rotating shaft is rotatably connected to the first support device. The cutting tool is mounted on the second support device and is movable relative to the second support device along a vertical direction. The detector is fixedly connected to the first support device above the rotating shaft for detecting an axial deviation of the rotating shaft. The controller is configured for calculating the axial deviation of the rotating shaft and adjusting the position of the cutting tool relative to the rotating shaft to counteract the calculated axial deviation of the rotating shaft. | 01-12-2012 |
| 20130104707 | MACHINE TOOL | 05-02-2013 |
| 20130327192 | SPIRAL CUTTING DEVICE - A spiral cutting device includes a blade, a blade driving shaft, a guiding device, a driving device, and a controller. The blade is for processing a roller. The blade driving shaft drives the blade to move toward the roller. The guiding device moves in a guiding direction perpendicular to a moving direction of the blade. The driving device is movably supported on the guiding device and rotates the roller. The controller controls a feeding amount of the blade, a moving speed of the driving device, and a rotate speed of the roller to spirally cut the roller. When an outer surface of the roller is unfolded to a plane, the blade path of the blade is in sinusoidal shape or in cosinusoidal shape. | 12-12-2013 |
| 20140020522 | LATHE CONTROL SYSTEM - A lathe control system used for three dimensional curved surface machining includes an input module, a control module, a work table, a feeding module, a first sliding module, a second sliding module, and a cutter. The control module is electrically connected with the input module, the feeding module, the first sliding module, and the second sliding module. The first sliding module drives the feeding module to move along a first direction. The second sliding module drives the feeding module to move along a second direction perpendicular to the first direction. The cutter is positioned on the feeding module. The feeding module is capable of driving the cutter to move back and forth along a third direction under the control of the control module. The third direction is perpendicular to first and second direction. | 01-23-2014 |
| 20140102268 | Machine Tool - A machine tool for machining a workpiece is provided with a cutting tool holder for holding a cutting tool and a rotation mechanism for holding the workpiece. One or both of the cutting tool holder and the rotation mechanism are movable on multiple axes so that the cutting tool is movable relative to the workpiece in multiple axial directions. A control device is provided for controlling the movement of one or both of the cutting tool holder and the rotation mechanism to synchronously vibrate the workpiece and the cutting tool relative to each other at a low frequency in multiple axial directions. | 04-17-2014 |
| 20140318330 | THREAD WHIRLING DEVICE AND TURNING MACHINE COMPRISING A THREAD WHIRLING DEVICE - A thread whirling device for producing a thread on a workpiece on a numerically controlled turning machine by a thread whirling method, having a retention structure for fitting the thread whirling device to the turning machine, a whirling head which is retained on the retention structure, has an opening and carries one or more cutters which are arranged peripherally on the edge of the opening, having a first drive device which is configured to drive the whirling head in a rotational manner about a first rotation axis which extends through the opening. The thread whirling device further includes a second drive device which is configured to drive the whirling head in a rotational manner about a second rotation axis which extends transversely relative to the first rotation axis, in order to orientate an angle between the first rotation axis and the spindle axis of the turning machine work spindle. | 10-30-2014 |
| 20150047479 | Machine for Processing Optical Workpieces, In Particular Plastic Spectacle Lenses - The invention relates to a machine for processing plastic workpieces. A machine housing surrounds a working chamber located between a workpiece spindle for rotationally driving the workpieces about a workpiece axis of rotation and a fast tool servo for producing an oscillating feeding movement of a rotary tool in the direction of the workpieces. The workpiece spindle is provided with a carriage which can be driven and is guided on at least two guide surfaces of a guiding arrangement in order to produce a relative advancing movement between the workpiece and the rotary tool. The advancing movement runs transversely with respect to the feeding movement and defining therewith a processing plane in which during processing the rotary tool engages with the workpiece. The guiding arrangement is mounted on the machine housing such that the processing plane extends between the two guide surfaces. | 02-19-2015 |
| 20150306671 | TAILSTOCK CONTROL DEVICE - A tailstock control device includes a tailstock parameter setting unit that receives, in advance, setting of tailstock acceleration time ta, tailstock movement velocity V, drive torque measuring period t, and number n of drive torque measurements; a calculating unit that calculates acceleration zone distance La from the acceleration time ta and the movement velocity V; a calculating unit that calculates constant velocity zone distance Lb from the movement velocity V, the measuring period t, and the number n of measurements; a drive torque detecting unit that detects servo motor drive torque; and a control unit that sets La+Lb as drive torque measuring distance Lt and calculates servo motor drive torque limit value τc from drive torque T detected by the drive torque detecting unit when the tailstock is moved over La+Lb and also from a servo motor torque command value τa required for supporting a workpiece. | 10-29-2015 |
| 20160107240 | MACHINE TOOL - A machine tool capable of reducing the time required to transfer a workpiece includes a spindle chuck provided to a spindle that rotates about an axis, and capable of holding a workpiece to be worked on, a temporary placement chuck capable of holding a workpiece, a tool post driver to move the temporary placement chuck relatively to a facing position in which the spindle-side workpiece holder and the workpiece holder for temporary placement are able to transfer or receive a workpiece to or from each other, and to a separated position in which the spindle-side workpiece holder and the workpiece holder for temporary placement are able to transfer or receive a workpiece individually, and a loader including a spindle-corresponding workpiece holder and a temporary placement-corresponding workpiece holder disposed to face the spindle chuck and the temporary placement chuck in the separated position, respectively. | 04-21-2016 |
| 20160158849 | SAFETY LOCK FOR LATHE CHUCK KEY - A lathe or other rotating machine includes a chuck for holding a work piece or tool. The chuck is operated between engaging and disengaging positions by rotating a chuck key that has been inserted into a key receiving opening in the chuck. A chuck key docking station on the machine includes a sensor to sense the presence or absence of the chuck key at the docking station. The sensor is connected to prevent operation of the machine at speed if the chuck key is not sensed in the chuck key docking station. | 06-09-2016 |
| 082120000 | And tool turret | 5 |
| 20090107310 | COMPOSITE WORKING LATHE - The invention provides a composite working lathe capable of improving the efficiency of workpiece machining area by arranging a workpiece handling device below a spindle of the composite working lathe. The composite working lathe | 04-30-2009 |
| 20100101383 | COMBINATION MACHINING LATHE - In a combination machining lathe, a workpiece holding device holds a workpiece in a manner that permits the workpiece to rotate around an axis parallel to a direction of a horizontal Z axis. A tool post holds a tool that comprises a holder and a bit. The tool held by the tool post is indexed to a position in which the longitudinal axis of the holder is parallel to an X axis direction. The bit of the tool held by the tool post is angled such that a longitudinal axis of the bit is disposed in a position tilted away from the X axis direction closer to a horizontal axis in a plane containing the X axis and the Y axis. A turning operation is performed while the tool and/or the workpiece are moved relative to each other in a direction of the longitudinal axis of the bit. | 04-29-2010 |
| 20130087025 | METHOD FOR CONTROLLING COMBINED LATHE APPARATUS, COMBINED LATHE APPARATUS, TURNING TOOL HOLDER, BLADE POSITION REGISTERING APPARATUS, AND BLADE POSITION DETECTING APPARATUS - A carriage is moved in a direction including a Y axis component in order to move a turning process tool that is attached to a tool spindle along a horizontal line that is perpendicular to a Z axis, and thus, a turning process is carried out on a workpiece which is attached to a workpiece spindle. | 04-11-2013 |
| 20130305890 | NC LATHE AND ACCESSORY - It is intended to provide an NC lathe which can increase the number of tools to be exchanged. A turret | 11-21-2013 |
| 20140318331 | TOOL CARRIER AND MACHINE TOOL HAVING A TOOL CARRIER - The present invention relates to a tool carrier | 10-30-2014 |
