Method for snap ring forming and grooving

Details Method for snap ring forming and grooving Method for snap ring forming and grooving

1986-09-15

1987-09-01

Larson, Lowell A.

Metal deforming

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

During rotation of work

72108, 72111, 72469, B21D 1704

Patent

active

046899804

ABSTRACT:
A method for simultaneously forming splines and an annular groove in a metal piece having a central portion and ends on each side thereof, the method including the steps of forming a substantially U-shaped annular recess (56) along the central portion of the workpiece which has a flat base and spaced sidewalls which are spaced apart to a greater distance than the side walls of the groove (82) to be formed, deforming the recess (56) to initially form a groove (82) therein, progressively and simultaneously forming splines in the ends of the workpiece and forming the groove (82) in the recess of the workpiece, and moving metal outwardly and upwardly from the recess as the groove (82) is formed to fill the remainder of the recess (56) and form the sidewalls of the groove (82).

REFERENCES:
patent: 4181001 (1980-01-01), Zalesak et al.
patent: 4487047 (1984-12-01), Killop
patent: 4574605 (1986-03-01), Stein

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