Patents
Patents for B24B 49 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation (8,827)
10/1992
10/27/1992US5157871 Spindle assembly for use in a lens polisher
10/20/1992US5155941 Industrial endoscope system having a rotary treatment member
09/1992
09/30/1992EP0505787A2 Apparatus for the adjustment of a CNC-control grinding machine
09/29/1992US5150545 Arrangement for measuring the diameter of cylindrical parts during the machining thereof
09/24/1992DE4108740A1 Automatically-controlled grinding machine - detects spacing variations due to thermal expansion of machine with corresponding compensation via machine control
09/22/1992US5148637 Lens edging system with programmable feed and speed control
09/22/1992US5148636 Size control shoe for microfinishing machine
09/17/1992DE4108391A1 Wheel wear compensation system for polishing machine - measures wheel wear by roller pressed against wheel and adjusts distance between wheel and work accordingly
09/08/1992US5144773 Honing or grinding tool and measuring device for measuring wear
09/08/1992CA1307116C Surface grinding machine
09/03/1992WO1992014580A1 Method of and machine for grinding a workpiece
09/03/1992DE4106053A1 Acoustic emission monitoring of wear on grinding disc - is combined with drive motor current measurement, using ratio of measurements as criterion for process continuation
09/03/1992CA2104479A1 Method of and machine for grinding a workpiece
08/1992
08/26/1992CN2113858U Sound emission grinding contact detecting device
08/25/1992US5140777 Method and apparatus for polishing optical elements
08/25/1992US5140776 Apparatus and method for measuring and maintaining the profile of a railroad track rail
08/13/1992DE4101148A1 Workpiece contour measurement for surface grinder - using measuring mode with speed monitoring of slowly rotating tool to determine contact points
08/12/1992EP0498763A1 Control device for a cylindrical centreless guiding machine
08/11/1992US5136818 Using slurry of cerium oxide, water, glycerin and optionally sodium hydroxide; measuring transmission loss
08/11/1992US5136817 Automatic lapping apparatus for piezoelectric materials
08/05/1992EP0496968A1 Method and apparatus to produce a predetermined contour on a work piece
07/1992
07/29/1992EP0496303A1 Grinding machine for cylindrically grinding as-grown crystalline ingot
07/16/1992DE4111016C1 Grinding machine setter matching monitored tool condition - uses data store for condition parameter in form of magnetisable or optically writable code carrier directly mountable on regulating or grinding wheel
07/07/1992US5127196 Apparatus for planarizing a dielectric formed over a semiconductor substrate
07/02/1992DE4041912A1 Spectacle ring contour measurement appts. - uses sensing finger with position and force sensing enabling application force control
06/1992
06/30/1992US5125188 Grinding wheel having grinding monitoring and automatic wheel balance control functions
06/16/1992US5121580 Jig assembly for a tool support
06/05/1992CA2031460A1 Grinding workpieces
06/03/1992EP0487683A1 Measurement of a workpiece
05/1992
05/20/1992EP0453500A4 Apparatus and method for measuring and maintaining the profile of a railroad track rail
05/19/1992CA1300890C Grinding guide and method
05/19/1992CA1300889C Biased grinding assembly
05/06/1992EP0334923B1 Wide range apparatus for checking linear dimensions of parts
05/05/1992CA1299873C Grinding guide and method for controlling the automatic grinding of objects
04/1992
04/29/1992EP0482397A2 Procedure of and device for finish-grinding of rings on the outer or inner area
04/29/1992EP0482343A2 Process of and device for finishing rings, especially race rings for rolling bearings
04/22/1992EP0481936A2 Method of and apparatus for continuously controlling the pressure applied on workpieces in a double-plate lapping machine
04/22/1992EP0481935A2 Method and apparatus for the post-process check of the workpieces in a double-plate lapping machine
04/22/1992CN2102178U Pneumatic electric online measuring end
04/21/1992US5106394 Water, cerium oxide, water soluble liquid having index of refraction greater than that of the core
04/14/1992US5105137 Numerical control device for a grinding machine
04/14/1992US5104828 Method of planarizing a dielectric formed over a semiconductor substrate
04/08/1992CN2100961U Clamp of grinding screw plate
04/01/1992EP0477737A1 Belt grinding machine
03/1992
03/31/1992US5099614 Flat lapping machine with sizing mechanism
03/31/1992US5099613 Tire uniformity correction
03/31/1992CA1298087C Automatic grinding machine
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
03/25/1992EP0476952A2 Method of and an apparatus for slicing a single crystal ingot using an ID saw slicing machine therein
03/25/1992EP0476448A1 Machine tool capable of grinding a workpiece with a truing apparatus
03/25/1992EP0476184A1 Remote gage steady rest head
03/19/1992WO1992004663A1 Grinding machine controlling and monitoring device and process for operating the same
03/17/1992US5095663 Size control shoe for microfinishing machine
03/04/1992EP0472844A2 Method and apparatus to avoid thermal overload of workpieces while grinding (overheating while grinding)
02/1992
02/20/1992WO1992002334A1 A mobile floor grinding vehicle
02/18/1992US5088243 Method of forming the teeth of longitudinally curved tooth gears
02/12/1992EP0470337A1 Dressing and wear measuring apparatus for grinding and lapping machines
02/11/1992US5086590 Tool checking device for use with numerically controlled machines
02/07/1992WO1992002328A1 Method of forming the teeth of longitudinally curved tooth gears
02/05/1992EP0469439A1 Device for measuring the diameter of cylindrical work-pieces during machining
01/1992
01/28/1992US5083401 Method of polishing
01/21/1992US5081796 Method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer
01/14/1992US5079874 Process for controlling an automatic machine for cleaning castings
01/08/1992EP0465357A1 Device for machining contours in soft material and automatic machining process making use of such a device
01/08/1992EP0464657A1 Tread buffing apparatus
01/07/1992US5077941 Automatic grinding method and system
12/1991
12/26/1991WO1991020020A1 Measurement of a workpiece
12/24/1991US5074276 Slicing method by a slicing machine
12/24/1991CA1293555C Tire uniformity correction
12/18/1991EP0461255A1 Assembly for dressing a conductive grinding wheel
12/18/1991EP0364514B1 Device for a twin-disk lapping machine
12/18/1991EP0304472A4 Biased grinding assembly
12/17/1991US5072550 Grinding method and grinding machine with controlled grinding force
12/11/1991EP0460282A1 Grinding wheel having grinding monitoring and automatic wheel balance control functions
12/10/1991US5070655 Machining process monitor
12/03/1991US5069002 Apparatus for endpoint detection during mechanical planarization of semiconductor wafers
11/1991
11/26/1991US5067282 Method and apparatus for non-contact measuring and, in case, abrasive working of surfaces
11/13/1991EP0456223A1 A slicing machine and a slicing method by the same
10/1991
10/30/1991EP0453500A1 Apparatus and method for measuring and maintaining the profile of a railroad track rail.
10/30/1991CN1055688A Lens edging system with programmable feed and speed control
10/23/1991EP0453391A2 Method for machining airfoils
10/22/1991US5058468 Remote gage steady rest head
10/16/1991EP0451471A2 Method and apparatus for polishing a semiconductor wafer
10/16/1991CN2086646U On-line detector for size of flat surface grinding
10/08/1991US5055752 Method for machining airfoils
10/08/1991US5054244 Polishing apparatus
10/08/1991US5054205 Wide range apparatus for checking linear dimensions of parts
10/03/1991WO1991014535A1 Process and device for machine-working of rolls and similar workpieces
09/1991
09/24/1991CA1289352C Independent measuring apparatus for grinding machines for cylinders and the like with structural surface checking devices, and grinding machine
09/04/1991EP0444902A2 Lens edging system
09/04/1991EP0444657A1 Control robot
09/03/1991US5044125 Method and apparatus for controlling grinding processes
09/03/1991US5044124 Finishing machine for cast products
08/1991
08/27/1991US5042206 Method and apparatus for controlling grinding processes
08/22/1991WO1991012111A1 Computer-controlled grinding machine for producing objects with complex shapes
08/22/1991WO1991012110A1 A method and grinding machine for the internal grinding of bores
08/14/1991EP0441679A1 Adaptable fitting for tool-holder for use with a robot
08/14/1991DE4004378A1 Tool wear determn. from friction with dressing tool - is measured by one or more vibration parameters
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