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Class Information
Number: 451/26
Name: Abrading > Precision device or process - or with condition responsive control > With feeding of tool or work holder > Hydraulically driven > Control means near and parallel to the abrader
Description: Subject matter in which control means therefor is relatively close and parallel to the grinder.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8550876 Force-controlled surface finishing through the use of a passive magnetic constant-force device Oct. 8, 2013
8308526 Masking method for edge profile finishing Nov. 13, 2012
8162722 Grindstone contact sensing method and its device, and honing method and honing machine Apr. 24, 2012
8142257 Detecting device for abnormal workpiece rotation in non-circular workpiece grinding machine Mar. 27, 2012
7690967 Mounting structure for measuring device and grinding machine with the structure Apr. 6, 2010
6638138 Arrangement of grinding modules with grinding tools in track grinders Oct. 28, 2003
6490504 Feeding robot and control method therefor Dec. 3, 2002
6390888 Grinder pressing device May. 21, 2002
6264534 Method and tooling for automated wet or dry sanding of a vehicle surface Jul. 24, 2001
5944580 Sensing device and method of leveling a semiconductor wafer Aug. 31, 1999
5618221 Method of dressing grindstone for NC grinder Apr. 8, 1997
5558557 Three axis control for machine tool Sep. 24, 1996
5371975 Process and device for machine-working or rolls and similar workpieces Dec. 13, 1994
5022186 Tire uniformity correction Jun. 11, 1991
4984393 Method for tire uniformity correction Jan. 15, 1991
4852434 Machine tool with a sliding screw drive Aug. 1, 1989
4848845 Steerable self-regulating concrete cutting saw Jul. 18, 1989
4837980 Method and apparatus for tire uniformity correction Jun. 13, 1989
4821460 Arrangement for controlling the speed of advance of a tool toward a workpiece Apr. 18, 1989
4802311 Method of grinding rotary workpieces Feb. 7, 1989
4791759 Grinding wheel position detecting means for surface grinding machine Dec. 20, 1988
4772161 Profile working machine Sep. 20, 1988
4756298 Apparatus for machining relatively hard building material Jul. 12, 1988
4753048 Method of for grinding Jun. 28, 1988
4748966 Self-regulating concrete cutting saw Jun. 7, 1988
4744348 Dressing apparatus for grinding wheels May. 17, 1988
4669228 Tire uniformity abrading method Jun. 2, 1987
4666352 Profile working machine May. 19, 1987
4648210 Apparatus for controlling position of grinding tool Mar. 10, 1987
4637169 Apparatus for controlling the advance of a machine tool toward a workpiece Jan. 20, 1987
4633620 System for processing of steel billets or the like to remove surface defects Jan. 6, 1987
4630214 Jig grinder with automatic reciprocation and outfeed control Dec. 16, 1986
4604835 Apparatus for automatic maintenance of surface speed and work-bearing force for rotary tool apparatus Aug. 12, 1986
4602459 System for active error compensation during machining Jul. 29, 1986
4575970 Metal strip edge grinding apparatus Mar. 18, 1986
4570389 Method of adaptive grinding Feb. 18, 1986
4561216 Workpiece engaging apparatus in grinding machines Dec. 31, 1985
4558537 Centerless honing machines having automatic size control Dec. 17, 1985
4525958 Method of controlling article speed during edge grinding Jul. 2, 1985
4524543 Vibratory abrasive contour-finishing method and apparatus Jun. 25, 1985
4516212 Control system for roll grinding machine May. 7, 1985
4507896 Centerless grinding systems Apr. 2, 1985
4502253 Surface treating and testing apparatus Mar. 5, 1985
4501094 Workpiece profile-following control system for conditioning grinders Feb. 26, 1985
4488382 Kiln ring grinding apparatus Dec. 18, 1984
4485595 Grinding and polishing apparatus Dec. 4, 1984
4438754 Method for sensing and remotely controlling a tool to workpiece spatial relationship Mar. 27, 1984
4428754 N, N-Bis (hydroxyalkyl) alkyl amides as phase separation inhibitors in liquid hydrocarbon and ethanol mixtures Jan. 31, 1984
4428162 Grinding machine and control for removing burrs or fins from workpieces such as castings Jan. 31, 1984
4418499 Cutter grinding machine Dec. 6, 1983

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