| Patents for B24B 47 - Drives or gearings for grinding machines or devices; Equipment therefor (3,586) |
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| 07/06/1994 | EP0605202A1 Grinding machine |
| 07/05/1994 | US5325636 Polishing machine with pneumatic tool pressure adjustment |
| 06/28/1994 | US5323572 Precision grinding machine |
| 06/23/1994 | DE4242906A1 Numerically-controlled grinder for metal work |
| 06/22/1994 | EP0603074A1 Process for checking the fitting of a lens to be grinded to a spectacle frame on a grinding machine |
| 06/21/1994 | US5321915 Machines for grinding and bevelling opthalmic lenses |
| 06/09/1994 | DE4341128A1 High speed electric motor drive - has main shaft within contra-rotating sleeve driving shaft and driven by housing using brushless synchronous motors |
| 06/09/1994 | DE4241293A1 Belt grinding machine with machining position on frame - has machining set with drive motor on support, movable under workpiece pressure w.r.t. machine frame |
| 05/19/1994 | DE4336738A1 Grinding arrangement for spectacle lenses - has actuators for grinding and lens shafts with magnetic couplings whose holding force depends on grinding process |
| 05/18/1994 | EP0597709A1 Means and method for fabrication of grazing incidence optics |
| 05/11/1994 | DE4337158A1 Automatic machine for grinding and faceting ophthalmic lenses - has sensor to detect relative axial distance between apex of lens and edge of top surface |
| 05/05/1994 | DE4241273A1 Drive arrangement for converting rotary motion into linear motion - contains traction drive with gear wheels or pulleys, and belt between main belt and wheel or pulley to produce speed differential |
| 05/04/1994 | EP0595070A1 Grinding wheel spindle equipment |
| 04/28/1994 | WO1994008752A1 Rotary disc planetary type surfacing machine |
| 04/19/1994 | US5303510 Automatic feed system for ultrasonic machining |
| 04/14/1994 | WO1994007657A1 Remote control apparatus and method for grinding rubber belts |
| 04/12/1994 | US5302873 Linear pulse motor having a high resolution |
| 03/31/1994 | DE4236414C1 Polishing machine with central driving shaft - produces through eccentric pulleys and crank linkage an elliptical motion of polishing tool with superimposed oscillation giving overlapping paths |
| 03/30/1994 | EP0589826A1 Grinding machine |
| 03/30/1994 | EP0589160A1 Method and apparatus for deburring and further processing of workpieces, especially ceramic workpieces |
| 03/24/1994 | DE4301486C1 Automatic compensation system for inaccuracies in CNC cutting machines - has calibration device contg. displaceable and clampable plates for contacting cutting disc and probe head, and calculates correction values for adding to programmed desired contours of workpiece |
| 03/23/1994 | EP0588376A1 Monocrystal ingot attitude-adjusting device |
| 03/09/1994 | EP0585429A1 Device for grinding linings, e.g. of a carding or cleaning drum. |
| 03/08/1994 | US5291691 Method and apparatus for dressing an electroplated grinding wheel |
| 02/22/1994 | US5287658 Polishing machine having combined alternating translational and rotational tool motion |
| 02/10/1994 | DE4226347A1 External cylindrical grinding machine - has infeed drive motor compactly housed in transverse tunnel passing under table guideways and allowing easy access from operator side of bed |
| 02/08/1994 | US5283981 Cam feed unit for a machine tool |
| 01/20/1994 | WO1994001261A1 Portable machine to make moldings on marble, granite, travertine slabs and the like |
| 12/28/1993 | US5274286 Spindle device with a built-in motor |
| 12/28/1993 | US5272842 Regulated surface treating wheel |
| 12/23/1993 | DE4220007A1 Grinding machine for finishing surface - has rotating grinding plate in retainer with worktable moving forwards and backwards relatively to it |
| 12/22/1993 | EP0574849A2 Face grinding machine |
| 12/21/1993 | US5271186 For cleaning and polishing the surface of a cylindrical roll |
| 11/30/1993 | US5265380 Cup grinding machine, in particular for grinding scissors parts |
| 11/25/1993 | WO1993023201A1 Tandem pneumatic/hydraulic reciprocating cylinder with integral oil reservoir |
| 09/30/1993 | WO1993018888A1 Device for grinding linings, e.g. of a carding or cleaning drum |
| 09/30/1993 | DE4314850A1 Automatic alignment of esp. centreless plain grinding machine - carried out without absolute movement measuring system and reserve current supply and with proximity control by setting position regulated adjusting carriage |
| 09/22/1993 | EP0561186A1 Method for shape grinding of the periphery of a spectacle glass |
| 08/24/1993 | US5237779 Apparatus for detecting machining conditions in a machine tool |
| 07/28/1993 | CN2139045Y Pneumatic grinder |
| 07/28/1993 | CN1021697C Installation of grinding machine of coreless center hole of needle valve body of oil nozzle |
| 07/21/1993 | EP0552037A2 Spindle device with a built-in motor |
| 06/29/1993 | US5224050 Method for detecting the coordinate position of the grinding point of a grinding wheel and related device |
| 06/23/1993 | EP0547894A1 An automatic wafer lapping apparatus |
| 06/23/1993 | CN2136714Y High speed pneumatic grinder head |
| 06/23/1993 | CN2136713Y High speed pneumatic grinder head |
| 06/08/1993 | CA1318789C Lens grinding methods and apparatus |
| 05/26/1993 | EP0294478B1 Improved grinding guide and method |
| 05/25/1993 | US5213348 Workpart chuck positioning mechanism with independent shoes |
| 05/19/1993 | EP0542674A1 Method for numerical controlled machining of a workpiece on a grinding machine |
| 05/18/1993 | CA1317769C Ultra-precision grinding machine |
| 04/27/1993 | US5205080 Jig for clamp-positioning single crystal ingot |
| 04/13/1993 | US5201145 Monocrystal ingot attitude-adjusting/surface-grinding/conveying apparatus |
| 04/07/1993 | EP0513223A4 Computer-controlled grinding machine for producing objects with complex shapes |
| 04/01/1993 | DE4131331A1 Contour scanner for spectacle frames and lens blanks - has sensing finger on linear axis side with digital position control and computer processing for positions. |
| 03/17/1993 | EP0323518B1 Device for vibrating work to be ground |
| 03/16/1993 | US5193314 Computer controlled grinding machine for producing objects with complex shapes |
| 02/24/1993 | EP0295264B1 Electrical discharge machining by redressing electrodes |
| 02/23/1993 | US5187900 Auxiliary device for a machine tool |
| 02/11/1993 | DE4126566A1 Rotary table for polishing machine - has suspended plate equipped with air pressure connection and installed between rotary plate and base plate |
| 02/09/1993 | US5184428 Device for adjusting a cnc-controlled grinder |
| 01/05/1993 | US5175964 Method and apparatus for removing flaws from internal pipe walls |
| 12/30/1992 | CN2126140U Electric two-side synchronous abrasion machine |
| 12/22/1992 | US5173863 Programmable surface grinder having a teach mode with independent table speed adjustment |
| 12/16/1992 | EP0518799A1 Finishing machine with a combined rotation and reciprocation of the tool |
| 12/09/1992 | EP0517640A1 Finishing machine with pneumatic control of the tool load |
| 11/24/1992 | US5165205 Device for vibrating materials to be ground |
| 11/19/1992 | EP0513223A1 Computer-controlled grinding machine for producing objects with complex shapes |
| 11/17/1992 | CA1310192C Cylinder bore finishing apparatus tilt fixture |
| 11/11/1992 | EP0512956A1 Numerically controlled grinding machine |
| 10/28/1992 | EP0510462A1 Lens chamfering machine |
| 10/20/1992 | US5155940 Apparatus for judging whether an uncut lens should be machined or not and lens grinding machine having the same |
| 09/30/1992 | EP0505787A2 Apparatus for the adjustment of a CNC-control grinding machine |
| 08/13/1992 | DE4101148A1 Workpiece contour measurement for surface grinder - using measuring mode with speed monitoring of slowly rotating tool to determine contact points |
| 08/12/1992 | EP0498297A1 Jig and method for clamp-positioning single crystal ingot |
| 08/12/1992 | CN2112477U All-purpose polishing machine |
| 07/29/1992 | EP0496303A1 Grinding machine for cylindrically grinding as-grown crystalline ingot |
| 07/21/1992 | US5131292 Spindle drive |
| 06/11/1992 | WO1992009401A1 Workpart chuck positioning mechanism with independent shoes |
| 05/27/1992 | EP0487277A2 Machine, support system and method for relatively moving two objects with precision |
| 05/19/1992 | CA1300890C Grinding guide and method |
| 05/05/1992 | CA1299944C Governor device |
| 04/28/1992 | US5108117 Workpart chuck positioning mechanism with independent shoes |
| 04/23/1992 | DE4033316A1 Hand guided floor sanding machine - has sanding drum with free-wheel bearing mounted in oscillating frame to produce intermittent drum rotation |
| 04/14/1992 | US5105137 Numerical control device for a grinding machine |
| 04/14/1992 | US5103596 Method and apparatus for controlling cylinder grinding machines |
| 04/08/1992 | EP0479683A2 Lens grinding apparatus |
| 03/26/1992 | DE4030185A1 Calibrating machine tools to generate complex shapes - optically scanning to provide data for comparison with reference e.g. for dental crown |
| 03/26/1992 | DE4030176A1 Calibrating dental crown machining tool for start position - detecting start from change in sound generated from surface when touched by conversion to electrical signal |
| 03/26/1992 | DE4030175A1 Start point calibration of motor-driven tool for machining - rotating tool at min. speed and moving into contact with work blank until stall occurs |
| 03/12/1992 | DE4028740A1 Belt-type machine for smoothing chipboard panels - has hydraulic or pneumatic device to align board with belts |
| 03/11/1992 | EP0474588A1 Apparatus for manufacturing with robot and tool support |
| 01/14/1992 | US5079876 Method and installation for processing glass plates |
| 12/24/1991 | US5074079 Automatic adjusting device for revolution speed of rotary table of glass edge chamfering machine |
| 11/27/1991 | EP0458728A1 Spindle drive |
| 11/23/1991 | WO1991018224A1 Spindle drive |
| 11/23/1991 | CA2083049A1 Spindle drive |
| 10/29/1991 | US5060423 Automatic control centerless finishing device for honing external cylindrical surfaces |
| 10/24/1991 | DE4012660A1 Spectacle lens edge machining system - uses peripheral edge data for spectacle lens to control final machining |
| 10/09/1991 | EP0450579A2 Monocrystal ingot attitude-adjusting/surface-grinding/conveying apparatus |