Method of shaping ring blanks

Details Method of shaping ring blanks Method of shaping ring blanks

1975-12-08

1977-04-12

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

291484R, B21H 112

Patent

active

040167399

ABSTRACT:
The method of this invention produces a ring blank with a desired shape of an inner surface thereof from a ring having a plain inner surface and a profiled outer surface.
The blank is shaped between two rolls, the inner one being cambered and the outer one being flat.
Said camber is identical to the prescribed shape of the blank to be produced. The proposed method is an improvement on the prior art in that it takes less effort to produce intricate inner shapes as well as to shape several rings, such as raceways, simultaneously, if same should be required.

REFERENCES:
patent: 3857147 (1974-12-01), Gerat

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