Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-03-19
1991-03-12
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51105SP, 5116577, B24B 4900
Patent
active
049983830
ABSTRACT:
To avoid manual rotation of the rotary table (3) on the turning slide (2) of an NC (numerical control) coordinate grinding machine having a grinding wheel (1), when a conical region is being ground on a workpiece next to a cylindrical region, an NC controllable rotating devices (14) for the rotary table (3) is mounted on the turning slide (2). A measurement device (18) is also provided, for determining the distance (R) from a reference surface of the conical region and the B axis. After grinding a calibration cylinder, the distance (S) between the grinding line (6) and the C axis is calculated, and the C axis in this rotational position around the B axis is reset ("zeroed") in the computer (9'). This provides sufficient parameters for calculating the grinding program for the workpiece which is to be ground. In this way it is possible to grind automatically and precisely a series of workpieces having simultaneously both cylindrical and conical regions, without the need for manual adjustments.
REFERENCES:
patent: 3664066 (1972-03-01), Clark
patent: 4115956 (1978-09-01), Huffman
patent: 4584795 (1986-04-01), Akabane
Rachuba M.
Schmidt Frederick R.
Werkzeugmaschinenfabrik Tschudin
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