Process for cold rolling of tubes by means of a pilger mill and

Details Process for cold rolling of tubes by means of a pilger mill and Process for cold rolling of tubes by means of a pilger mill and

1983-07-20

1985-09-17

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

72250, B21D 702

Patent

active

045412626

ABSTRACT:
The process and the device which are the object of the invention relate to the cold rolling of tubes by means of a Pilger mill. The tube blank is made to advance near each of the upstream and downstream dead centers reached by the roll stand during its forward and return cyclical movement and backward movement of the rear part of the blank is made possible during a return pass of the roll stand. This process makes possible a doubling of production without changing the operating rate of the roll stand.

REFERENCES:
patent: 4005595 (1977-02-01), Gerretz et al.
patent: 4019394 (1977-04-01), Peytavin
patent: 4154079 (1979-05-01), Peytavin

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