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Class Information
Number: 451/219
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rectilinear > Work rotating > Gear forming
Description: Abrading machine which grinds a workpiece to form a gear.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7527548 System and method for precision machining of high hardness gear teeth and splines May. 5, 2009
7462092 Method of finishing bevel gears to produce a diffuse surface structure Dec. 9, 2008
7426777 Method of producing member having face-geared surface Sep. 23, 2008
7294046 Method for dressing a grinding worm Nov. 13, 2007
7179025 Machine and method with 7 axes for CNC-controlled machining, particularly generating cutting or grinding; of spiral bevel gears Feb. 20, 2007
7169023 Method and apparatus for manufacturing hourglass worm rolling die Jan. 30, 2007
6805620 Grindstone having resinoid abrasive structure including abrasive agglomerates each provided by vitrified abrasive structure Oct. 19, 2004
6739943 Machining the teeth of double sided face gears May. 25, 2004
6709318 Dual-grinding method for bar blades and grinding disc for carrying out said method Mar. 23, 2004
6575812 Setting up process for a tool or workpiece on a gear making machine Jun. 10, 2003
6450740 Mechanical gear hob with stock divide by differential gear box Sep. 17, 2002
6390893 Method of machining gears May. 21, 2002
6390894 Face gear manufacturing method and apparatus May. 21, 2002
6120355 Method and apparatus for lapping gears Sep. 19, 2000
5967883 Working apparatus provided with rotary table for mass-production of gears Oct. 19, 1999
5957762 Internally toothed tool for the precision machining of gear wheels Sep. 28, 1999
5890950 Method for shaving or shave grinding cylindrical gear wheels, especially flank-line modified gear wheels, and for profiling the tools required for shave grinding cylindrical gear wheels Apr. 6, 1999
5885038 Machine for finishing the tooth flanks of gear-shaped workpieces with an internal gear tool Mar. 23, 1999
5624301 Method and mechanism for the grinding of groove-shaped external profiles on work pieces Apr. 29, 1997
5573449 Threaded grinding wheel, method of dressing, and grinding a workpiece therewith Nov. 12, 1996
5539172 Apparatus and method for machining a gear shape Jul. 23, 1996
5136522 Stock dividing method and apparatus for gear manufacturing machine Aug. 4, 1992
5119594 Grinding machine for continuous roll grinding of gears Jun. 9, 1992
5074080 Tool for the precision working of tooth flanks of hardened gears Dec. 24, 1991
4991353 Grinding machine for grinding pregeared bevel gears Feb. 12, 1991
4961289 Machine tool for fine machining the tooth flanks of pretoothed gearwheels Oct. 9, 1990
4955163 Method for production of involute gear tooth flanks Sep. 11, 1990
4811528 Method for production of envolute gear tooth flanks Mar. 14, 1989
4755950 Stock divider including a computer controlled gear locator Jul. 5, 1988
4744179 Process for controlling tool infeed at machining start of a gear cutting machine May. 17, 1988
4697387 Device for grinding tooth profiles of a rotating toothed workpiece Oct. 6, 1987
4650378 Method for machining a gear by means of a rotating gear-type tool Mar. 17, 1987
4649671 Method for the precision working of the flanks of gears with a gear-shaped tool coated with hard-material granules and a method for dressing such a tool Mar. 17, 1987
4638599 Gear grinding machine for radial or helical spur gears Jan. 27, 1987
4631870 CNC grinding machine Dec. 30, 1986
4631869 Automatic workpiece engaging apparatus in grinding machines Dec. 30, 1986
4617761 Helical gear grinding machine Oct. 21, 1986
4602458 Apparatus for the manufacture or working of gears Jul. 29, 1986
4589230 Grinding machine May. 20, 1986
4587766 Synchronous operation control apparatus in grinding machines May. 13, 1986
4585377 Numerical-controlled machine tool Apr. 29, 1986
4561216 Workpiece engaging apparatus in grinding machines Dec. 31, 1985
4475319 Process for machining a worm-type workpiece with a worm-type tool Oct. 9, 1984
4467568 Generating method for the chip-producing machining of involute tooth flanks with profile and longitudinal corrections Aug. 28, 1984
4393625 Apparatus for grinding gears Jul. 19, 1983
4360296 Hobbing apparatus with orbiting hob Nov. 23, 1982
4329096 Gear cutter May. 11, 1982
4318648 Gear generating machine Mar. 9, 1982
4253050 Method and apparatus for the synchronization of a gear machining apparatus Feb. 24, 1981
4215959 Drive train for gear manufacturing machine Aug. 5, 1980

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