Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1974-10-07
1976-03-09
Kelly, Donald G.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 35, 51 43, 51165TP, 51DIG14, B24B 1700, B24B 4910
Patent
active
039422879
ABSTRACT:
A contour grinder having a grinding wheel that forms a workpiece into a desired contour by directly controlling the movement of the grinding wheel with a motor operated by numerical control. The grinding wheel has an arched shaped surface on the periphery thereof. The grinder also includes a vertical shaft about which the grinding wheel is rotatable and a support arm which carries a horizontal shaft to which the grinding wheel is fixed. The support arm is rotatably connected to a portion of the vertical shaft and connects the horizontal shaft at a right angle thereto so that the center of the arched surface on the periphery of the grinding wheel is aligned with the center of the vertical shaft. The vertical shaft is rotatable about its axis and movable longitudinally and laterally and the grinding wheel is movable with the vertical shaft. The vertical shaft is hollow and a microscope, marked with reference lines for inspecting the shape of the periphery of the grinding wheel and the position of the workpiece to be ground by the grinding wheel, is mounted in the hollow shaft.
REFERENCES:
patent: 1045243 (1912-11-01), Zeitz
patent: 1500963 (1924-07-01), Speegle
patent: 1674673 (1928-06-01), Williams
patent: 1817405 (1931-08-01), Braren
patent: 3105413 (1963-10-01), Lanzenberger
patent: 3118254 (1964-01-01), DiLella
patent: 3289355 (1966-12-01), Coburn
Shinano Keizo
Tokunaga Yoshio
Citizen Watch Company Ltd.
Kelly Donald G.
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