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Class Information
Number: 451/251
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Work rotating > Rotary work holder > Abrading eccentric shape
Description: Abrading machine having means to infeed either the workpiece or the grinding tool as the workpiece is rotated in order to grind a lobed surface.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8662959 Cutting method and cutting device for hard material Mar. 4, 2014
8602840 Grinding machine comprising two spindle sets Dec. 10, 2013
8460066 Grinding machine Jun. 11, 2013
8403725 Method and device for machining workpieces Mar. 26, 2013
7458880 Method for grinding of cam profiles Dec. 2, 2008
7376482 Grinding method and apparatus May. 20, 2008
7172494 Crankshaft and camshaft grinder Feb. 6, 2007
6926591 Multi-purpose machine Aug. 9, 2005
6902465 Grinding machine Jun. 7, 2005
6881125 Apparatus for processing a lens Apr. 19, 2005
6878043 Rough- and finish-grinding of a crankshaft in one set-up Apr. 12, 2005
6517421 Polishing head of a chemical and mechanical polishing apparatus for polishing a wafer Feb. 11, 2003
6511364 Method and apparatus for grinding eccentric cylindrical portions of workpiece with diameter measuring device Jan. 28, 2003
6431966 Grinding spindle unit with magnetic drive Aug. 13, 2002
6409573 Combination grinding machine Jun. 25, 2002
6390907 Machine tool and machine tool spindle and workpiece mounting-apparatus and grinding process May. 21, 2002
6309286 Grinding machine and method of grinding Oct. 30, 2001
6234885 Roll grinding machine May. 22, 2001
6149503 Method and apparatus for supporting a crankshaft in a grinding machine for grinding the crankpins of the crankshaft Nov. 21, 2000
6135861 Shaft polishing method and a shaft produced thereby Oct. 24, 2000
6113471 Chassis journal corrector system Sep. 5, 2000
6077146 Method of correcting a taper in a grinding machine, and apparatus for the same Jun. 20, 2000
6015336 Grinding apparatus Jan. 18, 2000
5975995 Machining apparatus and method Nov. 2, 1999
5928061 Wheel-head feed mechanism and grinder using the same Jul. 27, 1999
5899797 Method and apparatus for grinding cams with concave sides May. 4, 1999
5730647 Apparatus for fine-grinding a crankshaft Mar. 24, 1998
5700186 Motorized spindle with indexing fixture Dec. 23, 1997
5697831 Machine tool with plural tool spindles Dec. 16, 1997
5655953 Manufacturing method of wave cam for a compressor Aug. 12, 1997
5616070 Work drive orienting system for machine tool Apr. 1, 1997
5549503 Ophthalmic lens grinding machine Aug. 27, 1996
5453037 Process for grinding crankpins of a crankshaft and grinder for this purpose Sep. 26, 1995
5392566 Process and device for numerically controlled grinding of cams of a camshaft Feb. 28, 1995
5323571 Grinding machine for grinding tripods of constant velocity couplings Jun. 28, 1994
5209021 Apparatus and method for sprue removal and grinding of railroad wheels May. 11, 1993
5101601 Grinding workpieces Apr. 7, 1992
5074079 Automatic adjusting device for revolution speed of rotary table of glass edge chamfering machine Dec. 24, 1991
5033237 Method of numerically controlled profile grinding Jul. 23, 1991
4945683 Abrasive belt grinding machine Aug. 7, 1990
4918862 Method for grinding trochoidal and circular bearing races Apr. 24, 1990
4912880 Computerized tracing/edging system Apr. 3, 1990
4891914 Computer controlled universal grinder and method for grinding trochoidal and circular bearing races Jan. 9, 1990
4884373 Numerically controlled machine tool Dec. 5, 1989
4873793 Numerically controlled machine tool Oct. 17, 1989
4870784 Lens edging machine and method Oct. 3, 1989
4848038 Method for grinding a non-circular workpiece Jul. 18, 1989
4813188 Method of shaping workpieces especially forming undercut archimedean spirals Mar. 21, 1989
4756124 Machine for grinding the edges of a sheet of glass, particularly for automobile windows Jul. 12, 1988
4747236 Method for working, by metal-cutting processes, the surfaces of profiles having a non-circular contour, in particular camshafts May. 31, 1988

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