Method for processing composite water pump seal ring

Details Method for processing composite water pump seal ring Method for processing composite water pump seal ring

1991-07-18

1993-07-13

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

During simulated operation or operating conditions

298883, 264162, 264237, 264343, 264348, B21K 100

Patent

active

052262090

ABSTRACT:
A composite seal ring has a porous main body and a non-porous insert molded into it. Differential rates of coolant absorption between the porous main body and non-porous insert cause the whole ring to swell into a regular pattern of distortion. In order to compensate, the seal ring, after initial machining, is pre-soaked to simulate use and deliberately cause the same kind of distortion. It is then lapped flat from its distorted state.

REFERENCES:
patent: 3108370 (1963-10-01), Peickii et al.
patent: 3275729 (1966-09-01), Pohlman
patent: 3774277 (1973-11-01), Bentley-Leek
patent: 3969451 (1976-07-01), Floyd et al.
patent: 4250606 (1981-02-01), Korenaga
patent: 4512115 (1985-04-01), Miller

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