Method and apparatus for machining housings for slant axis rotar

Details Method and apparatus for machining housings for slant axis rotar Method and apparatus for machining housings for slant axis rotar

1975-11-24

1976-08-24

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51 50R, 51 97R, 51105R, 90 20, B24B 516

Patent

active

039758664

ABSTRACT:
Method and apparatus for machining an end surface for a housing for a slant axis rotary mechanism having a slant angle of .crclbar. and a rotor to shaft to housing timing ratio of S.sub.R /S.sub.S S.sub.H. The method includes the steps of providing a grinding tool within a fixed predetermined area, rotating a housing having an end surface to be machined about its central axis at a first rate of rotation R.sub.1 with the end surface engaged by the tool, and simultaneously rotating the housing about a second axis intersecting the central axis at an angle .crclbar. and at a second rate of rotation R.sub.2. The rates of rotation are chosen according to the following relations: R.sub.1 = n(S.sub.H - S.sub.R), and R.sub.2 = n(S.sub.S - S.sub.R). n Is an arbitrarily selected average angular velocity component. The disclosed apparatus performs the above method.

REFERENCES:
patent: 928164 (1909-07-01), Taylor
patent: 3867868 (1975-02-01), Natkai et al.

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