| Patents for B23Q 15 - Automatic control or regulation of feed movement, cutting velocity or position of tool or work (7,027) |
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| 05/02/1990 | CN1041721A Method and apparatus for monitoring and controlling acoustic emission (ae) cutter |
| 05/01/1990 | US4920660 Fine positioning device and displacement controller therefor |
| 04/25/1990 | EP0365001A2 Method and apparatus for the three-dimensional processing |
| 04/25/1990 | EP0364572A1 Apparatus for tracking the surface of a workpiece |
| 04/12/1990 | DE3834279A1 Verfahren und anlage zur spanabhebenden bearbeitung von brammen und bloecken Method and system working by removing slabs and blooms |
| 04/11/1990 | EP0362950A2 Method for the determination of the position of the termination of an optical fibre |
| 04/10/1990 | US4916286 Method and an apparatus for controlling work performed by an automatic work processing machine |
| 03/28/1990 | EP0360242A2 Numerical control device |
| 03/27/1990 | US4911042 Method for machining shaft |
| 03/21/1990 | EP0358764A1 Axis switching device |
| 03/21/1990 | CN2054731U Timing-control feeding apparatus of single arm planer |
| 03/15/1990 | DE3923997A1 Control system for magnetic bearing |
| 03/14/1990 | CN2054392U Gyratory conversion device for machine tool |
| 03/08/1990 | WO1990002010A1 Fineboring machine and process for producing bores with any polar and/or axial generating line |
| 03/07/1990 | EP0356663A2 A grinding machine, and method and apparatus for controlling a grinding process |
| 03/06/1990 | US4905417 Numerical control grinding machine |
| 02/28/1990 | CN2053559U Ultrasonic vibrating cutting device |
| 02/20/1990 | US4902951 Numerically controlled machine tool |
| 02/20/1990 | US4901777 Veneer lathe |
| 02/06/1990 | US4897967 Apparatus for truing a grinding wheel |
| 01/31/1990 | EP0352725A2 Numerical controller for machining a non-circular workpiece |
| 01/30/1990 | US4897586 Electric control apparatus for industrial robot |
| 01/18/1990 | DE3908434A1 Device for correcting feed axes |
| 01/17/1990 | EP0350799A2 Automatic workpart centering mechanism for a chuck |
| 01/16/1990 | US4894594 Servo system speed control apparatus |
| 01/11/1990 | DE3921994A1 Automatic data processing system to produce machining procedures for components |
| 01/10/1990 | EP0349783A2 Thermal dilatation measuring and compensating method for machines and apparatuses |
| 01/03/1990 | EP0348520A1 Numerically controlled machine tool |
| 01/03/1990 | EP0182918B1 Numerically controlled apparatus having programmable mirror image function |
| 12/27/1989 | EP0120969B1 Method of inputting operating information to numerical control device |
| 12/27/1989 | CN1038359A Machine tool error compensation systems and the like |
| 12/26/1989 | US4888878 Fine positioning device |
| 12/12/1989 | US4887221 Computer controlled honing machine using look up table data for automatic programming |
| 11/30/1989 | WO1989011687A1 Controlller of machining center |
| 11/28/1989 | US4884015 Probing control method and apparatus for mechanism with multiple degrees of freedom |
| 11/23/1989 | EP0342238A1 Digitizing method |
| 11/23/1989 | DE3817347A1 Operating device for hand-guided grinding apparatuses |
| 11/15/1989 | CN2047739U Controller for designing and machining piston ring face |
| 11/07/1989 | EP0264445A4 Cutting process control system for machine tools with programmed numerical control. |
| 11/02/1989 | WO1989010237A1 Apparatus for tracking the surface of a workpiece |
| 11/02/1989 | WO1989010236A1 Surface notching |
| 11/02/1989 | EP0339659A2 Method and apparatus for controlling drilling operation |
| 10/31/1989 | US4878172 Four-axis lathe NC program creation method |
| 10/26/1989 | DE3812771A1 Drehzahlvorgabe fuer elektrohandwerkzeug Speed control for electromechanical hand tools |
| 10/25/1989 | EP0338541A2 Machine tool for processing work piece into non-circular cross-sectional configuration |
| 10/25/1989 | CN1036528A Method and system for controlling a machine tool such as a turning machine |
| 10/17/1989 | US4873760 Vessel lid mounting and demounting apparatus |
| 10/04/1989 | EP0335659A2 A setting control method of machining coordinate system in a machine tool |
| 10/03/1989 | US4872105 Curve following apparatus |
| 09/28/1989 | DE3808101A1 Method and arrangement for monitoring the machining during milling |
| 09/27/1989 | EP0334541A1 Machine tool error compensation systems and the like |
| 09/27/1989 | EP0333865A1 Method of preparing nc data for cutting |
| 09/20/1989 | EP0232305B1 Machine tool control systems |
| 09/13/1989 | EP0331869A2 Device for controlling a tool's position in dependence upon the stroke position |
| 09/13/1989 | EP0331739A1 Involute interpolation system |
| 09/12/1989 | US4866360 Cutting process control system for CNC metal cutting machine tools |
| 09/12/1989 | US4864904 Ultrasonic vibrational cutting apparatus |
| 08/23/1989 | EP0329635A2 Method for determining positional errors and for compensating for such errors, and apparatus for carrying out the method |
| 08/23/1989 | EP0328972A2 Method and system for controlling a machine tool such as turning machine |
| 08/23/1989 | EP0328750A2 Copying device |
| 08/23/1989 | EP0328674A1 Numerical controller |
| 08/23/1989 | EP0328673A1 Digitizing apparatus |
| 08/08/1989 | US4856105 Method and apparatus for making piston rings |
| 08/08/1989 | US4855898 NC data creation method |
| 08/08/1989 | US4854551 Device for controlling operating gap of cutting head and method of using same |
| 07/27/1989 | WO1989006589A1 Surface levelling device and method |
| 07/25/1989 | US4851754 Velocity control system |
| 07/18/1989 | US4849777 Lamp driver scheme |
| 07/18/1989 | US4848038 Method for grinding a non-circular workpiece |
| 07/12/1989 | EP0323518A1 Device for vibrating work to be ground |
| 06/28/1989 | CN2040261U Electronic luminous-flux modulator |
| 06/21/1989 | EP0321108A2 Adaptive control of the trajectory of a working process |
| 06/21/1989 | EP0320515A1 Acceleration/deceleration controller |
| 06/15/1989 | WO1989005484A1 Numerically controlled machine tool |
| 06/14/1989 | EP0319592A1 Method of preparing nc data for coarse machining |
| 06/13/1989 | US4839817 Numerically controlled apparatus including shunting controller |
| 06/06/1989 | US4837703 Method for generating tool path |
| 06/06/1989 | US4835995 Machining device, especially for a robot used for the carding of leather |
| 05/23/1989 | US4831787 Honing process |
| 05/23/1989 | US4831785 Wireless arrangement for controlling the speed of advance of a tool toward a workpiece |
| 05/16/1989 | US4829717 Method and relevant apparatus for controlling the machining of mechanical pieces |
| 05/10/1989 | EP0315469A2 Machining apparatus and method |
| 05/09/1989 | US4827751 Device for machining rolls in a rolling stand |
| 05/05/1989 | WO1989003746A1 Digitizing method |
| 05/02/1989 | US4827140 Pseudo sensor pitch match cyclic scanning system |
| 04/27/1989 | DE3735145A1 Equipment for computer-controlled positioning of lifting gear |
| 04/25/1989 | CA1253202A1 Microprocessor based motor speed control |
| 04/20/1989 | WO1989003506A1 Apparatus for temperature compensation of sensing means of a machine |
| 04/19/1989 | EP0311703A1 Method for controlling a machine tool |
| 04/18/1989 | US4823275 Area cutting method |
| 04/18/1989 | US4823273 Area cutting method |
| 04/18/1989 | US4821460 Arrangement for controlling the speed of advance of a tool toward a workpiece |
| 04/13/1989 | DE3732220A1 Device for controlling the position of a hydraulic advancing drive, in particular a hydraulic press or punch |
| 04/11/1989 | US4821201 Method of revising NC program for four-axis lathes |
| 04/11/1989 | US4819515 Method and apparatus for grinding saw teeth |
| 03/30/1989 | DE3829629A1 Arbeitseinheit zu mechanischen bearbeitung mit positions- und geschwindigkeitseinstellung Work unit to mechanical processing with position and speed setting |
| 03/28/1989 | US4817007 Machine tool control systems |
| 03/28/1989 | US4815213 Apparatus for temperature compensation of sensing means of a machine |
| 03/23/1989 | WO1989002340A1 Method of preparing nc data for cutting |
| 03/21/1989 | US4815000 Numerical controller with operation halting function for data revision |