Rolling mill and method for operating rolling mill

Details Rolling mill and method for operating rolling mill Rolling mill and method for operating rolling mill

1992-08-14

1994-10-18

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72248, 92 27, B21B 3120, F15B 1522

Patent

active

053557077

ABSTRACT:
A rolling mill in which an upper housing is guided upward and downward along columns, a fluid chamber is formed between the upper end section of each column and a column insertion hole of the upper housing; a fixed piston fixedly mounted on the column is fitted in the fluid chamber; a roll gap rapid widening piston is fixedly installed on the upper end of the column, and on this piston is vertically movably fitted a hydraulic cylinder; the hydraulic cylinder is fixedly mounted in the upper housing; pressure fluid is constantly supplied to an upper fluid chamber on the piston; a fluid chamber is provided in the column insertion hole of the upper housing, and a column clamping sleeve is fitted therein; and the pressure fluid is fed into, and discharged out of, the fluid chamber to move the upper housing upward and downward.

REFERENCES:
patent: 2034939 (1936-03-01), Biggert, Jr.
patent: 2582030 (1952-01-01), Halward
patent: 3628363 (1971-12-01), Diolot
patent: 3858424 (1975-01-01), Kajiwara et al.
patent: 3938362 (1976-02-01), Falk et al.
patent: 4619188 (1986-10-01), Kimura
patent: 5142896 (1992-09-01), Berger et al.

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