Process and apparatus for rolling forming a cylindrical member h

Details Process and apparatus for rolling forming a cylindrical member h Process and apparatus for rolling forming a cylindrical member h

1974-01-15

1976-02-17

Larson, Lowell A.

Metal deforming

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

During rotation of work

72 71, B21H 100

Patent

active

039383750

ABSTRACT:
A process and apparatus for rollingly forming a cylindrical member having a reduced diameter portion at its intermediate portion by using a cross-rolling forming apparatus. The width in cross-section each of the dies in the rolls of the apparatus is gradually varied or decreased as the working of the member advances by providing clearance surfaces in the beveled side surfaces of the dies at an appropriate escape angle so that the surfaces in the member which have been worked by the dies are held clear of the side surfaces of the dies.

REFERENCES:
patent: 3208257 (1965-09-01), Holub
patent: 3352138 (1967-11-01), Haug
patent: 3466910 (1969-09-01), Carlsen
patent: 3626733 (1971-12-01), Zook et al.

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