Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-05-19
1987-09-08
Whitehead, Harold D.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51225, 51288, B24B 302
Patent
active
046914790
ABSTRACT:
A clamping device is mounted to the machine bed of a grinding machine and is longitudinally slideable along said machine bed. Adjacent to the machine bed a rotatably driven grinding wheel is arranged such that by means of several actuators relative movements are possible between workpiece and tool in an X-Y-Z coordinate system related to the workpiece, while the grinding wheel is slideable parallel to its rotational axis which is adjusted according to the pivoting angle. To achieve a smooth transition without a ridge between the shaft portion and the hemispherical portion of the workpiece, the grinding wheel is moved, without interrupting its path curve such that the rotational axis describes roughly the arc of a circle about the hemispheric end. Simultaneously the grinding wheel performs a translatory movement parallel to its rotational axis such that the cutting edge in the hemispherical portion runs at a positive rake in the direction of the longitudinal axis of the workpiece.
REFERENCES:
patent: 3680263 (1972-08-01), Johnson
patent: 4550532 (1985-11-01), Fletcher
patent: 4619079 (1986-10-01), Kidani
Technical Conference of the Numerical Control Society, 22-24, Mar. 1971, Proceedings of 8th Annual Meeting, "Numerically Controlled Gringing", W. D. Hughes, pp. 288-296, Anahiem Calif.
Montanwerke Walter GmbH
Whitehead Harold D.
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