Hydraulic mill stand

Details Hydraulic mill stand Hydraulic mill stand

1976-04-26

1977-08-02

Mehr, Milton S.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72245, B21B 3130

Patent

active

040388573

ABSTRACT:
A mill stand for a four-mill has a short-stroke hydraulic rolling pressure cylinder at the top of each housing. Variations in size of back-up rolls are taken up at the top of the mill by a series of graduated filler blocks positioned around a quadrant so as to form a circular staircase. The staircase is rotated about a vertical axis to bring the desired step between cylinder and roll chock. The lower roll set rests on straight staircases which are moved transversely of the housings on the conventional roll sled. Between the bottom of the sled and the bottom of each housing is a low-angle wedge positioned to raise the lower roll set an amount equal to one step of the staircase. The stand is aligned to the strip pass line by operation of the rolling pressure cylinders.

REFERENCES:
patent: 2853905 (1958-09-01), Reisacher et al.
patent: 3559432 (1971-02-01), Rastelli
patent: 3691809 (1972-09-01), Hlafcsak
patent: 3779062 (1973-12-01), Gegick
patent: 3805573 (1974-04-01), Petros et al.

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