Pilger tube rolling mill

Details Pilger tube rolling mill Pilger tube rolling mill

1981-03-16

1983-06-07

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

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

72249, 74603, B21B 3514

Patent

active

043865127

ABSTRACT:
The disclosure of the present invention relates to a compensating counterweight system used in a cold pilger step-by-step type seamless tube rolling mill reciprocated by a crank assembly. The crank assembly includes first and second compensating mass devices which are arranged to rotate coaxially on a single crank shaft in opposite directions relative to each other. The two mass devices are kinetically connected through a bevel gear drive set which causes the second compensating mass device to rotate in an opposite directon to the first compensating mass device.

REFERENCES:
patent: 1387720 (1921-08-01), Hult
patent: 2924106 (1960-02-01), Bohm et al.
patent: 3335593 (1967-08-01), Zeunert
patent: 3503241 (1970-03-01), vom Dorp et al.
patent: 3566658 (1971-03-01), Zeunert
patent: 3584489 (1971-06-01), Peytavin
patent: 4052898 (1977-10-01), Miller et al.

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