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)
06/1994
06/01/1994CN2166914Y Involute broach shaped imitating measuring device
05/1994
05/31/1994US5315791 Steel ball machining apparatus capable of eliminating foreign matter
05/24/1994US5313741 Method of and an apparatus for slicing a single crystal ingot using an ID saw slicing machine therein
05/18/1994EP0346425B1 Process for dressing a grinding wheel
05/17/1994US5311704 Method and apparatus for correcting diametrical taper on a workpiece
05/03/1994US5308438 Providing a polishing pad coated with a slurry, rotating workpiece on pad, controlling rotational speed of workpiece and applying pressure, and monitoring current drawn by motor
05/03/1994CA2023002C Apparatus for monitoring the angular position of a workpiece
04/1994
04/19/1994US5303512 Method and apparatus for grinding a cylindrical surface of a workpiece by traverse grinding
04/06/1994CN1084796A Contactless surface positioning measuring monitoring and controlling device
03/1994
03/31/1994WO1994007110A1 Optical endpoint determination during the processing of material layers
03/30/1994EP0589826A1 Grinding machine
03/29/1994US5297361 Polishing machine with an improved sample holding table
03/23/1994EP0588057A2 Method for optimizing the operation of an electric hand tool
03/15/1994US5293717 Method for removal of abradable material from gas turbine engine airseals
03/09/1994EP0585429A1 Device for grinding linings, e.g. of a carding or cleaning drum.
03/02/1994EP0584843A2 Device controlling the machining force of a tool
02/1994
02/22/1994US5287843 Slicing machine employing an axial force to provide rigidity to a rotary blade
02/03/1994WO1994002287A1 Method for removal of abradable material from gas turbine engine airseals
02/03/1994DE4224943A1 Optimal control of cylindrical grinding of non-cylindrical surface - by initial workpiece contour check using grinding wheel to enable electronic evaluation of zigzag feed path
01/1994
01/13/1994DE4317571A1 Automatically controlled machining device for spectacle lens edge
01/05/1994EP0576520A1 Method of and machine for grinding a workpiece
01/05/1994CN1080218A Flexible gkinding disk and grinding method
12/1993
12/29/1993EP0576268A1 Spectacle lens production
12/29/1993EP0576043A2 Numerically controlled machine tool
12/28/1993US5272842 Regulated surface treating wheel
12/23/1993WO1993025347A1 Wafer polishing method and apparatus
12/09/1993WO1993024273A1 Device for machining the edge of spectacle lenses
12/08/1993EP0573035A2 Rolling mill equipped with on-line roll grinding system and grinding wheel
11/1993
11/30/1993CA2052490C Method and device for preventing thermal damage of workpieces during grinding
11/30/1993CA2048883C Method and apparatus for preventing thermal damage of workpieces due to heat developed by a grinding process
11/24/1993EP0387259B1 Flywheel resurfacing method and apparatus
11/23/1993US5265195 Control robot with different axial direction shafts
11/23/1993US5263284 Method of simultaneously correcting excessive radial force variations and excessive lateral force variations in a pneumatic tire
11/16/1993US5261768 Automated edge finishing using an active XY table
11/04/1993DE4214395A1 Contour measuring appts. for spectacle frame rings - contains frame clamp, measurement unit with optical non-contact distance sensor for sensing separation between rotatable probe finger and contour point of ring, position sensor and control unit.
11/03/1993CN2145091Y Grinding apparatus for twist drill chin
11/02/1993USRE34425 Method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer
10/1993
10/27/1993EP0566853A2 Method and apparatus for dressing a grinding wheel
10/21/1993DE4308800A1 CNC controlled spectacle lens rim grinder with coaxial half-shafts - uses grinding wheel movable in two directions for lens shaping, and milling or grinding tool for finishing of rim
10/05/1993US5249394 Chuck indexing method
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
09/30/1993DE4210709A1 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
09/30/1993DE4210708A1 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
09/29/1993EP0562718A1 Polishing machine and method of dissipating heat therefrom
09/29/1993EP0562632A1 Method and apparatus for grinding a workpiece
09/21/1993US5246555 Work bed for a grinding apparatus
09/14/1993US5244527 Manufacturing unit for semiconductor devices
09/07/1993US5241792 Method and apparatus for surface finishing
09/01/1993EP0557969A1 Chuck indexing arrangement and method
08/1993
08/26/1993DE4204899A1 Diameter or thickness measuring device esp. for grinding machine - includes auxiliary measurement device for measurement in direction of motion of main measurement device
08/24/1993US5237779 Apparatus for detecting machining conditions in a machine tool
08/10/1993US5234868 Method for determining planarization endpoint during chemical-mechanical polishing
06/1993
06/29/1993US5222329 Acoustical method and system for detecting and controlling chemical-mechanical polishing (CMP) depths into layers of conductors, semiconductors, and dielectric materials
06/29/1993CA1319513C Apparatus and method for measuring and maintaining the profile of a railroad track rail
06/15/1993US5218789 Method for improving uniformity level of a tire
05/1993
05/26/1993EP0294478B1 Improved grinding guide and method
05/19/1993EP0541657A1 A mobile floor grinding vehicle.
05/13/1993WO1993009397A1 Apparatus for use in the manufacture of valves for hydraulic power steering gears
04/1993
04/27/1993US5205081 Method for producing profiled parts by grinding and a turbomachine blade produced thereby
04/27/1993US5205078 Rotary apparatus
04/08/1993DE4231908A1 Control system for grinding wheel with compensation for tool wear - computes distortion of workpiece during grinding to determine accurate end position
04/07/1993EP0513223A4 Computer-controlled grinding machine for producing objects with complex shapes
04/01/1993DE4231890A1 Automatically calibrating grinding tool for machining process - monitoring process time and wheel dia. to regulate grinding process to programmed values.
03/1993
03/31/1993CN1070357A Forced compensation grinding technique and device for face hackle disk
03/30/1993US5197228 Method of and machine for grinding a workpiece
03/24/1993EP0533605A1 Method and deburring grinding machine
03/24/1993EP0533505A1 Method of forming rib surfaces on a power transmission belt
03/23/1993US5196800 Apparatus and method for non-contact measurement of the edge sharpness of a knife
03/03/1993CN2127647Y Measuring equipment for drill sharpening
03/02/1993US5189846 Grinder for machining rod bearing journals
02/1993
02/16/1993US5185960 Tread buffing apparatus
02/09/1993US5184428 Device for adjusting a cnc-controlled grinder
02/09/1993CA1313548C Method for generating axis control data for use in controlling a grinding machine and the like and system therefor
02/02/1993CA1313306C Size control shoe for microfinishing machine
01/1993
01/19/1993CA1312731C Grinding machine for cylinders with devices for tracing and dimensional and surface checking
01/14/1993DE4121518A1 Abrasive band finishing process for crankshaft journals etc. - involves measurement of journal size before and after each grinding cycle to determine required number of cycles.
01/07/1993EP0521383A1 Method and apparatus for grinding a cylindrical surface of a workpiece by traverse grinding
01/07/1993EP0521096A1 Process and device for machine-working of rolls and similar workpieces.
01/05/1993US5175964 Method and apparatus for removing flaws from internal pipe walls
12/1992
12/29/1992US5174270 Slicing machine and a slicing method by the same
12/29/1992US5174070 Method and device for preventing thermal damage of workpieces during grinding
12/29/1992US5174069 System for grinding rings with mechanical holding
12/29/1992US5174068 Method and apparatus for preventing thermal damage of workpieces due to heat developed by a grinding process
12/24/1992DE4219988A1 Machine for deburring, grinding and lapping steel balls - has return chute to hopper shaped to ensure that recirculated balls fall into hopper bowl at varying radii
12/23/1992EP0519118A1 Method and apparatus for avoiding thermal overstress on toothed gears and similar workpieces during grinding (overheating when grinding)
12/16/1992CN1067001A Combined magnetic fixture system for surface-grinding machine and its machining and testing method
12/09/1992EP0517640A1 Finishing machine with pneumatic control of the tool load
12/09/1992EP0517596A1 Polishing machine with an improved workpiece holder
12/02/1992EP0515505A1 A method and grinding machine for the internal grinding of bores.
11/1992
11/19/1992EP0513223A1 Computer-controlled grinding machine for producing objects with complex shapes
11/19/1992DE4116445A1 Measuring normal force during internal grinding - using force transducer sandwiched in work steady leg and preloaded by coaxial assembly screw
11/17/1992CA1310191C Flywheel resurfacing method and apparatus
11/11/1992EP0512956A1 Numerically controlled grinding machine
11/10/1992US5161333 Device for recalibrating a machine for grinding ophthalmic glasses
11/03/1992US5159785 Grinding or cutting-off disk for an automatic grinding machine for cleaning castings
10/1992
10/28/1992EP0510623A2 Resharpening machine
10/28/1992EP0510462A1 Lens chamfering machine
10/27/1992US5157878 Polishing method with error correction
10/27/1992US5157872 Control apparatus for grinding machine
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