| 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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| 10/27/1993 | EP0566637A1 Method for crown gear grinding by generation. |
| 10/26/1993 | US5255475 Tool for grinding the teeth of bevel gears having longitudinally curved teeth |
| 10/14/1993 | WO1993019881A1 Method and device for grinding grooved external surfaces of a workpiece |
| 09/30/1993 | DE4210710A1 Verfahren und Einrichtung zum Schleifen rillenförmiger Außenprofile eines Werkstückes Method and apparatus for grinding groove-shaped outer profile of a workpiece |
| 09/30/1993 | DE4210709A1 Positional control method e.g. for dressing wheel and grinding wheel of CNC gear-wheel grinder - requires probe to identify surfaces of grinding wheel with values used to provide accurate control of position |
| 09/30/1993 | DE4210708A1 Precision positioning method e.g. for grinding wheels and dressing wheel of CNC machine - involves moving measuring probe into contact with surfaces of double grinding wheels to determine accurate settings |
| 09/16/1993 | DE4207511A1 Grinding process for correcting involute profile of internal gear - depends on use of grinding tool in form of convex globoid worm which is meshed with rack formed dresser to produce corrected involute and then used to grind gear |
| 09/16/1993 | DE4207510A1 Tool for grinding tooth profile of hardened internal gear - has form of convex globoid worm with CBN abrasive surface that is dressed using diamond coated dressing tool |
| 09/15/1993 | EP0560065A1 Device for machining cylindrical or bevel gears |
| 09/07/1993 | CA1322035C Multi-axis bevel and hypoid gear generating machine |
| 09/02/1993 | WO1993016832A1 Hopping method and device by means of a milling knife |
| 08/31/1993 | US5239782 Method for recording removal of material during precision finishing of pre-profiled work pieces |
| 08/24/1993 | US5239509 Semiconductor memory device |
| 08/19/1993 | DE4302353A1 Grinding machine for shaping and profiling workpiece e.g. toothed wheel - uses computer to redress grinding wheel controlled by differences between stored profile and measured workpiece profile |
| 08/05/1993 | WO1993015447A1 Adjusting arrangement |
| 07/29/1993 | DE4238833A1 Closed loop control for workpiece or tool drive - establishes control regulator functions for accurate command following while suppressing periodic disturbance |
| 07/20/1993 | US5228814 Gear hobbing machine |
| 07/14/1993 | EP0550877A1 Method for generating undercuts in straight internal or external toothings of toothed workpieces |
| 07/08/1993 | WO1993010932A3 Gear hobbing machine |
| 06/24/1993 | WO1993011901A1 Rotary cutter having expanded cutting ring |
| 06/10/1993 | WO1993010932A2 Gear hobbing machine |
| 06/09/1993 | DE4139931A1 Clamp for grinding slide of tooth flank grinder - has only one clamping interface on column for swivel and height adjustment of reciprocating grinding slide |
| 06/02/1993 | EP0543941A1 Universal dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 06/01/1993 | US5215417 Rotary ring cutter |
| 05/25/1993 | US5213559 Apparatus for changing blanks and tool automatically in a gear cutting machine |
| 05/11/1993 | US5209020 Method of and apparatus for profiling grinding wheels |
| 05/06/1993 | DE4133539C1 Machine tool positioning system - determines position of groove on workpiece, giving voltage corresp. to circumference, and angular position of tool spindle, and uses phase difference between two sets of signals to position motors |
| 04/29/1993 | WO1993007984A1 Fly-cutter with a deburring wheel |
| 04/29/1993 | WO1992020474A3 Device and method for cold-forming grooves on the wall of a revolution part |
| 04/28/1993 | CN2130630Y Expander chucking arrangement for machining gears |
| 04/27/1993 | US5205806 Composite-machining machine tool |
| 04/22/1993 | DE4134441A1 Schlagmesser-fraesmaschine mit entgratungsrad Fly-cutter milling machine with entgratungsrad |
| 04/14/1993 | EP0537107A1 Machine for finishing gears and method for dressing an abrasive tool |
| 04/01/1993 | DE4132487A1 Fly cutter type spline milling machine - has cutter slightly skew to cutter rotational axis to produce virtual clearance between cutter and flanks of slot |
| 03/30/1993 | US5197231 Rotary cutter having expanded cutting ring |
| 03/18/1993 | WO1993004810A1 Method of and apparatus for machining spur and helical gears |
| 03/09/1993 | US5192172 Gear hobbing machine with arborless support for hob |
| 03/09/1993 | US5191739 Method and apparatus for lapping gear teeth while changing at least one of load torque, rotating speeds and rate of teeth contact point movement of the gears |
| 02/23/1993 | US5188491 Method for cutting the flanks of an infeed worm and worm milling machine |
| 02/11/1993 | DE4126934A1 Fly-cutter-type spline-generating milling machine - has cutters around periphery of magazine disk which can be indexed to bring new cutter into working position |
| 02/03/1993 | EP0524943A1 Multi-functional measurement system. |
| 02/03/1993 | EP0311685B1 Shaving machine of automatic cutter replacing type |
| 01/28/1993 | DE4221688A1 Verfahren und maschine zur werkstoffteilung bei formschleifmaschinen Method and machine for material-distribution with shape grinding |
| 01/13/1993 | EP0522453A1 Method for producing inside deepening undercuts on internal gear tooth systems |
| 01/13/1993 | EP0522448A1 Method and device for machining the end edges of the teeth of a gearwheel workpiece |
| 01/05/1993 | US5175962 Method of and apparatus for machining spur and helical gears |
| 12/29/1992 | US5174699 Method for finishing gears via skiving |
| 12/29/1992 | US5174070 Method and device for preventing thermal damage of workpieces during grinding |
| 12/23/1992 | EP0519118A1 Method and apparatus for avoiding thermal overstress on toothed gears and similar workpieces during grinding (overheating when grinding) |
| 12/10/1992 | DE4139970C1 Machine to chamfer teeth edges of gears - has spindle driven by servo motor and moved to=and=fro by piston-cylinder unit whose movement is controlled by servo valve |
| 12/02/1992 | EP0516597A1 An apparatus for changing blanks and tool automatically in a gear cutting machine |
| 12/02/1992 | EP0516596A1 A gear hobbing machine with an arborless system of supporting the hob |
| 12/02/1992 | EP0515791A2 Device and method for shaving gears having electronically coupled individual drives for work gear and tool |
| 11/26/1992 | WO1992020474A2 Device and method for cold-forming grooves on the wall of a revolution part |
| 11/26/1992 | DE4129024A1 Gear wheel precision profiling machine - has separate electric drives for gear wheel and milling wheel with electronic coupling |
| 11/11/1992 | EP0512205A2 Machine for working rotating workpieces |
| 11/05/1992 | DE4134925C1 Gear wheel machining fixture - has two cutter spindles with cutter head moving at angles |
| 11/03/1992 | US5159741 Machine for the machining of metal |
| 10/12/1992 | WO1992018281A1 Rotary ring cutter |
| 09/03/1992 | WO1992014574A1 Method of generating bevel and hypoid gears |
| 09/02/1992 | EP0501196A1 Fully automatic gear cutting machine for making gears having longitudinally curved teeth and method of operating the machine |
| 08/26/1992 | EP0500104A2 Composite-machining machine tool |
| 08/18/1992 | US5139005 Universal dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 08/11/1992 | US5137402 Rotary ring cutter |
| 08/04/1992 | US5136522 Stock dividing method and apparatus for gear manufacturing machine |
| 08/04/1992 | US5135810 Method of machining and structure of machined pinion gear |
| 07/29/1992 | EP0496391A2 Semiconductor memory device |
| 07/29/1992 | EP0496004A1 Method for high-precision machining of pre-profiled, hardened workpieces |
| 07/23/1992 | WO1992011967A1 Method for crown gear grinding by generation |
| 07/14/1992 | US5129185 Method for the precision working of the tooth flanks of particularly hardened gears |
| 07/07/1992 | US5127256 Apparatus for adjusting a slide stroke of a press machine |
| 06/30/1992 | US5125776 Hydraulic clamping device |
| 06/17/1992 | EP0490312A1 Work-piece recognizing device for a machine-tool |
| 06/09/1992 | US5119594 Grinding machine for continuous roll grinding of gears |
| 05/26/1992 | US5116173 Method of generating bevel and hypoid gears |
| 05/13/1992 | EP0485339A2 Process and apparatus for shaping grinding wheels |
| 05/05/1992 | US5109634 Method and apparatus for machining centering chamfers |
| 04/08/1992 | EP0479173A2 Process for centering or positioning workpieces with rotational symmetry |
| 03/19/1992 | WO1992004665A1 Control graphics system for gear shaping machines |
| 03/18/1992 | EP0474882A1 Numeric controller |
| 02/19/1992 | EP0365547B1 Grinding machine for continuous rolling grinding of toothed wheel work |
| 02/18/1992 | US5088243 Method of forming the teeth of longitudinally curved tooth gears |
| 02/15/1992 | WO1992003259A1 Universal dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 02/15/1992 | CA2087259A1 Universal dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 02/07/1992 | WO1992002328A1 Method of forming the teeth of longitudinally curved tooth gears |
| 01/23/1992 | WO1991020021A3 Stock dividing method and apparatus for gear manufacturing machines |
| 01/14/1992 | US5080537 Apparatus for machining bevel gear |
| 01/02/1992 | DE4019834A1 Automatically controlling milling of gearwheels - using movable optic sensor to identify each gearwheel before processing |
| 12/31/1991 | US5076020 Apparatus for in-situ dressing of threaded grinding wheels used in gear grinding machines |
| 12/24/1991 | US5074080 Tool for the precision working of tooth flanks of hardened gears |
| 12/14/1991 | WO1991020021A2 Stock dividing method and apparatus for gear manufacturing machines |
| 12/11/1991 | EP0348525A4 Machine tool for making and trimming of instruments and finishing of gears |
| 11/28/1991 | DE4016441A1 Arrangement for measuring machined structures, e.g. gears and threads - uses measurement head replacing machining tool and processing of position measurement signals |
| 11/19/1991 | US5065546 Grinding wheel for producing internal profilings |
| 10/30/1991 | EP0453875A1 Machine for metal cutting |
| 10/29/1991 | US5061128 Mechanism for the drive of a tool spindle |
| 10/24/1991 | DE4112122A1 Workpiece teeth flank grinding method - alters centre distance disc position tilt angle and rotary movement to vary shape |
| 10/21/1991 | WO1991016673A1 Multi-functional measurement system |
| 10/03/1991 | WO1991014979A1 Numeric controller |
| 10/01/1991 | US5052865 Deburring apparatus |