Machine for point grinding drills

Details Machine for point grinding drills Machine for point grinding drills

1981-07-29

1984-09-04

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51288, 51219PC, B24B 326

Patent

active

044688911

ABSTRACT:
A method of and machine for point grinding drills by supporting the drill to be pointed in a relatively fixed position and thereafter moving the drill and a bevelled grinding surface relative to each other while rotating the drill about its axis, and by selecting a point of grinding engagement with the bevelled grinding surface a desired lip relief angle may be ground on the drill tip along with a chisel edge angle and a point angle.

REFERENCES:
patent: 1481999 (1924-01-01), Elzey
patent: 2805522 (1957-10-01), Dayton
patent: 3056243 (1962-10-01), Flanders
patent: 3209493 (1965-10-01), Houser
patent: 3680263 (1972-08-01), Johnson
patent: 3916570 (1975-11-01), Caley

Affiliated with

Also associated with

Rating

Machine for point grinding drills does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Machine for point grinding drills, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Machine for point grinding drills will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1885116