Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1991-07-24
1993-10-12
Rose, Robert A.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116571, 5116591, 51281C, B24B 4904
Patent
active
052514056
ABSTRACT:
A method serves for circumferential grinding of radially non-circular workpieces, in particular for grinding cams (15) or polygons. The workpiece is rotated about a first second axis (13) extending at an angle, preferably of 90.degree., relative to the first axis (18). Starting out from a raw contour, the material at the surface of the workpiece (15) is removed along spiral-shaped paths of a point of action (20), by a plurality of steps corresponding each to one rotation of the workpiece, until intermediate contours and finally a finished contour are obtained, this being achieved by rotating and/or advancing the workpiece and the grinding wheel (11) in a controlled way, in response to data records. Every time an intermediate contour is reached, a new data record is called up for the next rotation of the workpiece. One measures continuously a predetermined absolute dimension (R.sub.Gist) of the workpiece and derives therefrom the existing deviation (.increment.R.sub.G) from a given setpoint value (R.sub.GSOll). The deviation (.increment.R.sub.G) is compared (40) with threshold values and a predetermined number of steps is skipped when the actual values fall below the threshold values.
REFERENCES:
patent: 3746956 (1973-07-01), Takegawa
patent: 4528781 (1985-07-01), Koide et al.
patent: 4621463 (1986-11-01), Komatsu et al.
patent: 4747236 (1988-05-01), Wedeniwski
patent: 4884373 (1989-12-01), Suzuki et al.
patent: 4885874 (1989-12-01), Wedeniwski
Brandt Stefan
Clauss Siegbert
Meusburger Peter
Schmitz Roland
Walz Gerhard
Fortuna-Werke Maschinenfabrik GmbH
Hackler Walter A.
Rose Robert A.
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