Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1982-10-04
1985-01-15
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 34R, 51124R, B24B 1702
Patent
active
044931662
ABSTRACT:
This invention is concerned with ultra precise apparatus for forming a complex profiled face on a diamond tool blank. The apparatus comprises an abrading device in the form of a grinding wheel and a spindle means which includes a journal for supporting the grinding wheel. This journal is rotatably supported upon an air bearing. A platform, supported for rotation about a vertical pivot axis, is also supported for displacement in a horizontal plane along an axis perpendicular to the pivot axis. An air bearing supports the platform for rotation about the pivot axis while another air bearing supports the platform for displacement in the horizontal plane perpendicular to that axis. A tool chuck is mounted upon the platform and serves to present the tool blank to the grinding wheel. A cam, mounted adjacent to the platform, is provided with a surface whose contour is related to the complex profiled face to be formed on the tool blank. A cam follower is supported by the platform for engagement with the contoured cam surface. A micrometer device, in response to displacement of the cam follower by the cam surface, selectively positions the platform along an axis intersecting the pivot axis. Finally, means are provided for rotating the platform about its pivotal axis and for simultaneously effecting a relative travel of the cam follower along the cam surface, while the tool blank is presented to the grinding wheel, thus causing the grinding wheel to generate a complex profiled face on the tool blank.
REFERENCES:
patent: 1927977 (1933-09-01), Flygare
patent: 3030744 (1962-04-01), Mueller
patent: 3137104 (1964-06-01), Banko
patent: 3180062 (1965-04-01), Aller
patent: 3368310 (1968-02-01), Garvey
patent: 3744858 (1973-07-01), Weichsel
Lange Howard G.
Ray Francis M.
Daschel Matthew D.
O'Connor Cornelius J.
Olszewski Robert P.
Zenith Electronics Corporation
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