Hot rolling pilger mill

Details Hot rolling pilger mill Hot rolling pilger mill

1978-03-14

1979-05-08

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

Including arcuately oscillating tool-face

72252, B21B 2100

Patent

active

041529170

ABSTRACT:
The pilger rolls are driven through gear segments which are reciprocated by a crank and linkage which also reciprocates the feed mechanism; that mechanism includes a carriage and a mandrel holder in a feed slide on the carriage, the mandrel holder may also reciprocate on the carriage for purposes of compensation speed differentials. The upper roll is mounted to permit lifting for venting, but the gearing remains engaged so that subsequently a new adjustment is not needed.

REFERENCES:
patent: 741301 (1903-10-01), Briede
patent: 1429061 (1922-09-01), Coe
patent: 1810698 (1931-06-01), Diescher
patent: 2005657 (1935-06-01), Ludwig
patent: 2691907 (1954-10-01), Friedman
patent: 3478557 (1969-11-01), Tremblay

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