Drill grinding fixture

Details Drill grinding fixture Drill grinding fixture

1977-10-03

1979-03-06

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51219R, B24B 326

Patent

active

041423321

ABSTRACT:
A drill grinding fixture for drills of between about 1/16 to 1/2 inch diameter, including an inclined trough member for receiving the drill to project from the forward end of the trough member toward the vertical face of a grinding wheel. The trough member is rotatable on a vertical pin of which the axis is offset 1/8 inch to the left of the bottom of the V-shaped trough, the pin being located between about 1/2 and 3/4 of an inch in front of the wheel face. The trough member is provided with a recess to receive a drill holder which is rockable about the axis of the drill to present one and the other cutting lip of the drill for grinding.

REFERENCES:
patent: 1989835 (1935-02-01), Weishampel
patent: 2401471 (1946-06-01), Fendring
patent: 2411609 (1946-11-01), Zenick
patent: 2583159 (1952-01-01), Swanson
patent: 2723510 (1955-11-01), Clarke
patent: 3374587 (1968-03-01), Simpkins

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