Patents for B24B 47 - Drives or gearings for grinding machines or devices; Equipment therefor (3,586)
07/1994
07/06/1994EP0605202A1 Grinding machine
07/05/1994US5325636 Polishing machine with pneumatic tool pressure adjustment
06/1994
06/28/1994US5323572 Precision grinding machine
06/23/1994DE4242906A1 Numerically-controlled grinder for metal work
06/22/1994EP0603074A1 Process for checking the fitting of a lens to be grinded to a spectacle frame on a grinding machine
06/21/1994US5321915 Machines for grinding and bevelling opthalmic lenses
06/09/1994DE4341128A1 High speed electric motor drive - has main shaft within contra-rotating sleeve driving shaft and driven by housing using brushless synchronous motors
06/09/1994DE4241293A1 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
05/1994
05/19/1994DE4336738A1 Grinding arrangement for spectacle lenses - has actuators for grinding and lens shafts with magnetic couplings whose holding force depends on grinding process
05/18/1994EP0597709A1 Means and method for fabrication of grazing incidence optics
05/11/1994DE4337158A1 Automatic machine for grinding and faceting ophthalmic lenses - has sensor to detect relative axial distance between apex of lens and edge of top surface
05/05/1994DE4241273A1 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
05/04/1994EP0595070A1 Grinding wheel spindle equipment
04/1994
04/28/1994WO1994008752A1 Rotary disc planetary type surfacing machine
04/19/1994US5303510 Automatic feed system for ultrasonic machining
04/14/1994WO1994007657A1 Remote control apparatus and method for grinding rubber belts
04/12/1994US5302873 Linear pulse motor having a high resolution
03/1994
03/31/1994DE4236414C1 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
03/30/1994EP0589826A1 Grinding machine
03/30/1994EP0589160A1 Method and apparatus for deburring and further processing of workpieces, especially ceramic workpieces
03/24/1994DE4301486C1 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
03/23/1994EP0588376A1 Monocrystal ingot attitude-adjusting device
03/09/1994EP0585429A1 Device for grinding linings, e.g. of a carding or cleaning drum.
03/08/1994US5291691 Method and apparatus for dressing an electroplated grinding wheel
02/1994
02/22/1994US5287658 Polishing machine having combined alternating translational and rotational tool motion
02/10/1994DE4226347A1 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
02/08/1994US5283981 Cam feed unit for a machine tool
01/1994
01/20/1994WO1994001261A1 Portable machine to make moldings on marble, granite, travertine slabs and the like
12/1993
12/28/1993US5274286 Spindle device with a built-in motor
12/28/1993US5272842 Regulated surface treating wheel
12/23/1993DE4220007A1 Grinding machine for finishing surface - has rotating grinding plate in retainer with worktable moving forwards and backwards relatively to it
12/22/1993EP0574849A2 Face grinding machine
12/21/1993US5271186 For cleaning and polishing the surface of a cylindrical roll
11/1993
11/30/1993US5265380 Cup grinding machine, in particular for grinding scissors parts
11/25/1993WO1993023201A1 Tandem pneumatic/hydraulic reciprocating cylinder with integral oil reservoir
09/1993
09/30/1993WO1993018888A1 Device for grinding linings, e.g. of a carding or cleaning drum
09/30/1993DE4314850A1 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
09/22/1993EP0561186A1 Method for shape grinding of the periphery of a spectacle glass
08/1993
08/24/1993US5237779 Apparatus for detecting machining conditions in a machine tool
07/1993
07/28/1993CN2139045Y Pneumatic grinder
07/28/1993CN1021697C Installation of grinding machine of coreless center hole of needle valve body of oil nozzle
07/21/1993EP0552037A2 Spindle device with a built-in motor
06/1993
06/29/1993US5224050 Method for detecting the coordinate position of the grinding point of a grinding wheel and related device
06/23/1993EP0547894A1 An automatic wafer lapping apparatus
06/23/1993CN2136714Y High speed pneumatic grinder head
06/23/1993CN2136713Y High speed pneumatic grinder head
06/08/1993CA1318789C Lens grinding methods and apparatus
05/1993
05/26/1993EP0294478B1 Improved grinding guide and method
05/25/1993US5213348 Workpart chuck positioning mechanism with independent shoes
05/19/1993EP0542674A1 Method for numerical controlled machining of a workpiece on a grinding machine
05/18/1993CA1317769C Ultra-precision grinding machine
04/1993
04/27/1993US5205080 Jig for clamp-positioning single crystal ingot
04/13/1993US5201145 Monocrystal ingot attitude-adjusting/surface-grinding/conveying apparatus
04/07/1993EP0513223A4 Computer-controlled grinding machine for producing objects with complex shapes
04/01/1993DE4131331A1 Contour scanner for spectacle frames and lens blanks - has sensing finger on linear axis side with digital position control and computer processing for positions.
03/1993
03/17/1993EP0323518B1 Device for vibrating work to be ground
03/16/1993US5193314 Computer controlled grinding machine for producing objects with complex shapes
02/1993
02/24/1993EP0295264B1 Electrical discharge machining by redressing electrodes
02/23/1993US5187900 Auxiliary device for a machine tool
02/11/1993DE4126566A1 Rotary table for polishing machine - has suspended plate equipped with air pressure connection and installed between rotary plate and base plate
02/09/1993US5184428 Device for adjusting a cnc-controlled grinder
01/1993
01/05/1993US5175964 Method and apparatus for removing flaws from internal pipe walls
12/1992
12/30/1992CN2126140U Electric two-side synchronous abrasion machine
12/22/1992US5173863 Programmable surface grinder having a teach mode with independent table speed adjustment
12/16/1992EP0518799A1 Finishing machine with a combined rotation and reciprocation of the tool
12/09/1992EP0517640A1 Finishing machine with pneumatic control of the tool load
11/1992
11/24/1992US5165205 Device for vibrating materials to be ground
11/19/1992EP0513223A1 Computer-controlled grinding machine for producing objects with complex shapes
11/17/1992CA1310192C Cylinder bore finishing apparatus tilt fixture
11/11/1992EP0512956A1 Numerically controlled grinding machine
10/1992
10/28/1992EP0510462A1 Lens chamfering machine
10/20/1992US5155940 Apparatus for judging whether an uncut lens should be machined or not and lens grinding machine having the same
09/1992
09/30/1992EP0505787A2 Apparatus for the adjustment of a CNC-control grinding machine
08/1992
08/13/1992DE4101148A1 Workpiece contour measurement for surface grinder - using measuring mode with speed monitoring of slowly rotating tool to determine contact points
08/12/1992EP0498297A1 Jig and method for clamp-positioning single crystal ingot
08/12/1992CN2112477U All-purpose polishing machine
07/1992
07/29/1992EP0496303A1 Grinding machine for cylindrically grinding as-grown crystalline ingot
07/21/1992US5131292 Spindle drive
06/1992
06/11/1992WO1992009401A1 Workpart chuck positioning mechanism with independent shoes
05/1992
05/27/1992EP0487277A2 Machine, support system and method for relatively moving two objects with precision
05/19/1992CA1300890C Grinding guide and method
05/05/1992CA1299944C Governor device
04/1992
04/28/1992US5108117 Workpart chuck positioning mechanism with independent shoes
04/23/1992DE4033316A1 Hand guided floor sanding machine - has sanding drum with free-wheel bearing mounted in oscillating frame to produce intermittent drum rotation
04/14/1992US5105137 Numerical control device for a grinding machine
04/14/1992US5103596 Method and apparatus for controlling cylinder grinding machines
04/08/1992EP0479683A2 Lens grinding apparatus
03/1992
03/26/1992DE4030185A1 Calibrating machine tools to generate complex shapes - optically scanning to provide data for comparison with reference e.g. for dental crown
03/26/1992DE4030176A1 Calibrating dental crown machining tool for start position - detecting start from change in sound generated from surface when touched by conversion to electrical signal
03/26/1992DE4030175A1 Start point calibration of motor-driven tool for machining - rotating tool at min. speed and moving into contact with work blank until stall occurs
03/12/1992DE4028740A1 Belt-type machine for smoothing chipboard panels - has hydraulic or pneumatic device to align board with belts
03/11/1992EP0474588A1 Apparatus for manufacturing with robot and tool support
01/1992
01/14/1992US5079876 Method and installation for processing glass plates
12/1991
12/24/1991US5074079 Automatic adjusting device for revolution speed of rotary table of glass edge chamfering machine
11/1991
11/27/1991EP0458728A1 Spindle drive
11/23/1991WO1991018224A1 Spindle drive
11/23/1991CA2083049A1 Spindle drive
10/1991
10/29/1991US5060423 Automatic control centerless finishing device for honing external cylindrical surfaces
10/24/1991DE4012660A1 Spectacle lens edge machining system - uses peripheral edge data for spectacle lens to control final machining
10/09/1991EP0450579A2 Monocrystal ingot attitude-adjusting/surface-grinding/conveying apparatus
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