Automatically controllable projecting contour grinding machines

Details Automatically controllable projecting contour grinding machines Automatically controllable projecting contour grinding machines

1977-11-18

1979-09-11

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24B 4912

Patent

active

041670825

ABSTRACT:
An automatically controllable projecting contour grinding machine comprising a grinding disc support, a grinding disc, actuator elements, an optical projection device, a projection surface, numerical control means, and a marking, wherein said grinding disc support is displaceable along two mutually perpendicular axes, said actuator elements are arranged to manually displace said grinding disc support, and said numerical control means automatically controls displacement of said grinding disc support, said optical projection device forming an image of said grinding disc and of a workpiece to be machined on said projection surface, and said marking being provided on said projection surface and indicating the starting position of said grinding disc.

REFERENCES:
patent: 2485355 (1949-10-01), Brennan
patent: 3507075 (1970-04-01), Schmidt
patent: 3619617 (1971-11-01), Kolb
patent: 3670460 (1972-06-01), Oldfield
patent: 4027245 (1977-05-01), Bourrat

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