Method for machining a groove in a metal surface

Details Method for machining a groove in a metal surface Method for machining a groove in a metal surface

1975-05-01

1976-06-08

Vlachos, Leonidas

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29 90R, 29 951, 29567, 408 54, 90 64, B23P 1510

Patent

active

039614042

ABSTRACT:
A method of forming a groove in an essentially planar face of a metal object, the groove being uniformly curved on an arc of radius "r", and being of a width "w" and a constant depth "d". Such grooves must be formed, for example, to receive the end face seals of the piston of a rotary engine of the trochoidal type. The groove is cut with a broach which is uniformly curved on an arc of said radius "r", by producing relative motion of the broach and the object about an axis which is the center of a circle of said radius "r", in such manner that the teeth of the broach cut the groove.

REFERENCES:
patent: 1000888 (1911-08-01), Beche
patent: 2242036 (1941-05-01), La Pointe
patent: 2312929 (1943-03-01), Phaneuf
patent: 3771894 (1973-11-01), Happy
patent: 3851992 (1974-12-01), Sawada et al.
patent: 3872561 (1975-03-01), Pomernacki

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