| Patents for B23F 23 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (3,080) |
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| 04/17/2002 | EP0799106B1 Front-loading rotary ring cutter |
| 04/10/2002 | CN2485081Y Open loop digital error compensator for machining period of hobber |
| 03/27/2002 | EP1030758B1 Loader and method to automatically position double-toothing sprocket wheels using the loader |
| 03/19/2002 | US6357994 Multi-purpose end effector for a robotic arm |
| 03/13/2002 | EP1030759B1 Centering device for the production of double-toothing sprocket wheels or pulleys and relative method of production |
| 03/12/2002 | US6354775 Method of operating a gear shaping machine |
| 03/06/2002 | EP1146983B1 Method and machine for the machining of pre-machined toothed workpieces such as gears |
| 02/26/2002 | US6350181 Process and device for the fine machining of the toothed gears of a gearbox |
| 01/09/2002 | CN1330579A Method and machine for machining of pre-machined toothed workpieces such as gears |
| 12/12/2001 | CN1075970C Method of producing tooth flank surface modifications |
| 12/05/2001 | CN2463094Y Hold-down device for base disk of gear direction detector |
| 12/04/2001 | US6325573 Arrangement of a hobbing cutter and holding arbor |
| 11/28/2001 | EP0973626B1 Device for manufacturing parts with an outer profile |
| 11/07/2001 | CN1074341C Threaded grinding wheel, method of dressing and grinding workpiece therewith |
| 11/06/2001 | US6311592 Loader for sprocket wheels and method to automatically position double-toothing sprocket wheels using the loader |
| 10/24/2001 | EP1146983A1 Method and machine for the machining of pre-machined toothed workpieces such as gears |
| 10/18/2001 | US20010030152 Compound mixer and filter for lapping machine |
| 10/18/2001 | US20010030050 Spindle for machine tool |
| 10/09/2001 | US6299393 Method and apparatus for chip removal |
| 09/26/2001 | EP1136165A1 Hobbing machine for dry cutting |
| 09/20/2001 | US20010022098 Setting up process for a tool or workpiece on a gear making machine |
| 09/20/2001 | DE10012647A1 Setting-up method for machining tool or workpiece on gear cutting machine determines their positions using a laser beam |
| 09/20/2001 | DE10012158A1 Measuring device for testing the quality of cog wheels and or cog shafts as test pieces |
| 09/20/2001 | DE10011844A1 Insertion process for elongated insert of tooth-cutting tool involves shifting tolerance field dynamically by altering position of tooth-cutting tool |
| 09/18/2001 | US6290574 Method and device for centering a dressing tool in the thread of a grinding worm |
| 09/04/2001 | US6283686 Supporting and centering device for use in the production of double-toothing sprocket wheels or pulleys and method of using same |
| 08/16/2001 | DE10005371A1 Tool holder for gear-shaping tool for fining hardened gears; has coupling unit and blocking unit to align tool and has centring elements moved radially by drive unit to support support ring |
| 08/15/2001 | CN1308567A Method and apparatus for lapping or testing gears |
| 07/26/2001 | WO1998045077A3 Device for manufacturing parts with an outer profile |
| 06/28/2001 | WO2001045888A1 Compound mixer and filter for lapping machine |
| 06/27/2001 | EP1109646A1 Method and apparatus for lapping or testing gears |
| 06/21/2001 | WO2001043908A1 Spindle for machine tool |
| 06/21/2001 | CA2393341A1 Spindle for machine tool |
| 06/07/2001 | WO2001039916A1 Method for grinding straight toothed conical gear wheels |
| 06/06/2001 | CN1066660C A method of fine machining of gear-wheels using an internally toothed tool |
| 06/06/2001 | CN1066659C Method for precision machining of gear-wheels and internal toothed tool |
| 05/25/2001 | WO2001036137A1 Clamping screw |
| 05/23/2001 | CN1066085C Machine for fine machining the tooth flanks of gear-type workpieces using an internally toothed tool |
| 05/22/2001 | US6234880 Device and method for profiling grinding worms |
| 04/26/2001 | DE19948134A1 Method to operate gear-shaping machine; involves detecting radial forces at cutting ring during operation using sensors inside casing, and transmitting correction signal if force exceeds threshold |
| 04/24/2001 | US6220937 Device for the honing of gears |
| 04/18/2001 | EP1092495A1 Gear grinding generator with gear measuring device |
| 04/17/2001 | US6217421 Method of lapping gears |
| 04/17/2001 | US6217409 Threaded grinding wheel and method of dressing |
| 04/05/2001 | WO2001023129A1 Hobbing machine for dry cutting |
| 03/21/2001 | EP1084786A1 Method of dressing an internally or externally toothed tool for finishing gear flanks |
| 02/20/2001 | US6190241 Method and an internally toothed tool for the precision machining of gear-wheels, and a method and dressing wheel for dressing the tool |
| 02/13/2001 | US6186710 Method for rotationally driving gear material when hob machining is performed and gear |
| 02/06/2001 | US6182506 Arrangement for performing a contact pattern test of bevel gears |
| 01/31/2001 | CN1061282C Apparatus and method for machining gear shape |
| 01/30/2001 | US6179537 Clamping screw |
| 01/10/2001 | EP1066908A2 Device for manufacturing parts with an outer profile |
| 01/09/2001 | CA2207064C Front-loading rotary ring cutter |
| 01/03/2001 | EP1064116A1 Threaded grinding wheel and method of dressing |
| 12/28/2000 | DE19928500A1 Automatic measurement of process/workpiece data when grinding gearwheels involves performing several measurements in automatic grinding cycle with sensors on same adapter head |
| 11/14/2000 | US6146253 Apparatus and method for precision grinding face gear |
| 10/18/2000 | CN2401304Y Automatic tool changing device for bevel gear working machine |
| 10/12/2000 | DE19915351A1 Honing device for gearwheels has three supports and spring and damping element with supports blocked in position for fine finishing without angular errors |
| 09/19/2000 | US6120355 Method and apparatus for lapping gears |
| 09/14/2000 | DE19910747A1 Adjusting dressing tool in pitch gaps in grinding worm involves pre-centering step and fine centering step in which exact center position is derived from contact positions |
| 09/14/2000 | DE19910746A1 Method for profiling worm drives for gear cutting machines has a composite grinding wheel on a turntable to shape the entire profile |
| 09/06/2000 | EP1033196A1 Workpiece clamping device |
| 08/30/2000 | EP1030759A1 Centering device for the production of double-toothing sprocket wheels or pulleys and relative method of production |
| 08/30/2000 | EP1030758A1 Loader and method to automatically position double-toothing sprocket wheels using the loader |
| 08/15/2000 | CA2206718C Multi-functional measurement system |
| 08/10/2000 | DE19905136A1 Correction process for grinding screw, with servo motor serving as second motor and angle of correcting grindstone measured by second angle setter |
| 08/03/2000 | WO2000044521A1 Device and method for cutting gears using a shank- or finger-type milling cutter |
| 08/03/2000 | DE19903481A1 Vorrichtung und Verfahren zur Herstellung von Verzahnungen Device and method for the preparation of tooth systems |
| 07/13/2000 | DE19900011A1 Fine finishing process for toothed gear wheels uses continuous rolling grinding process for finishing teeth, bore and possible end sides in one clamping action |
| 07/06/2000 | DE19860403A1 Anordnung aus Wälzfräser und Aufnahmedorn Arrangement of hobs and receiving mandrel |
| 07/05/2000 | EP1016483A2 Hob and mandrel assembly |
| 06/28/2000 | EP1013369A2 Face gear manufacturing method and apparatus |
| 06/22/2000 | WO2000035621A1 Method and machine for the machining of pre-machined toothed workpieces such as gears |
| 06/21/2000 | EP1009584A1 Chip removal apparatus for machine tool |
| 06/21/2000 | EP1009572A1 Method of determining cutting blade positional errors in face hobbing cutters |
| 06/21/2000 | EP1009571A1 Method of meshing gears |
| 06/15/2000 | DE19857592A1 Maschine zum Bearbeiten von vorverzahnten Werkstücken Machine for machining workpieces vorverzahnten |
| 04/25/2000 | US6053676 Machine tool for the processing of rotating tools by means of a tool driven in synchronization with a work piece |
| 04/19/2000 | EP0706434B1 Method of dressing a threaded grinding wheel |
| 04/18/2000 | US6050755 Apparatus for chamfering and deburring gear tooth end edges |
| 04/18/2000 | CA2200721C Method of producing tooth flank surface modifications |
| 03/22/2000 | EP0665077B1 Gear finishing apparatus |
| 03/16/2000 | WO2000013834A1 Method and apparatus for lapping or testing gears |
| 03/16/2000 | CA2342829A1 Method and apparatus for lapping or testing gears |
| 03/08/2000 | CN1050080C Method and processing machine for finishing working of gears |
| 01/26/2000 | EP0973626A1 Device for manufacturing parts with an outer profile |
| 12/21/1999 | US6003409 Play-free device for driving a rotary table |
| 11/24/1999 | CN1046649C Method of dressing a threaded grinding wheel |
| 10/19/1999 | US5967883 Working apparatus provided with rotary table for mass-production of gears |
| 10/19/1999 | CA2205303C Apparatus for inspecting a gear |
| 10/05/1999 | US5961260 Machine for producing spiral-toothed bevel gears |
| 09/28/1999 | US5957762 Internally toothed tool for the precision machining of gear wheels |
| 09/23/1999 | WO1999047300A1 Threaded grinding wheel and method of dressing |
| 09/14/1999 | US5951219 Chip removal apparatus for machine tool |
| 09/07/1999 | US5947663 Horizontal hobbing machine |
| 08/17/1999 | US5938380 Method for rotationally driving gear material when hob machining is performed, and gear |
| 07/21/1999 | CN1223186A Gear making method and special indexer |
| 06/17/1999 | DE19753797A1 Flexible machining centre for series production of e.g. gears |
| 06/16/1999 | EP0921886A1 Apparatus and method for improved precision grinding of face gears |
| 05/20/1999 | WO1999024205A1 Centering device for the production of double-toothing sprocket wheels or pulleys and relative method of production |