Method for producing near net ring gear forgings

Details Method for producing near net ring gear forgings Method for producing near net ring gear forgings

1987-02-12

1989-08-15

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B23P 1514

Patent

active

048561673

ABSTRACT:
A method is provided for the production of near net ring gear forgings (106) including the steps of forging ring roll preforms (102) of substantially toroidal shape, ring rolling the preforms into forging blank rings (104) having a general rectangular shaped wall thickness and then precision forging said rings into near net ring gear forgings.

REFERENCES:
patent: 191168 (1943-04-01), Singer
patent: 1670758 (1928-05-01), Witherow
patent: 2058007 (1936-10-01), Edelmeier
patent: 2713277 (1955-07-01), Kaul
patent: 2964838 (1960-12-01), Schober
patent: 3069756 (1962-12-01), Colestock
patent: 3675459 (1972-07-01), Dohmann
patent: 3731516 (1973-05-01), Dohmann et al.
patent: 4048419 (1978-04-01), Dittrich et al.
patent: 4433568 (1984-02-01), Kondo
patent: 4509353 (1985-04-01), Ike et al.
patent: 4672729 (1987-06-01), Hoguchi et al.

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