Roll stand with axially shiftable working rolls

Metal deforming – By use of roller or roller-like tool-element – With carrier for roller-couple or tool-couple

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Details

72238, 72243, 72245, B21B 3118, B21B 3132

Patent

active

046272615

ABSTRACT:
A roll stand comprises a plurality of axially shiftable working rolls, each attached by supporting members axially slidably to a guide member which is movable vertically adjustably against the side of a cylinder block installed in the roll stand housing. Axially shifting hydraulic cylinders are provided to axially shift the working rolls by acting on the guide pieces. In particular a plurality of balancing hydraulic cylinders are installed in laterally projecting shoulders in the cylinder blocks behind each other in the axial shifting direction of the rolls and act on the working rolls to provide balancing and bending forces. In order to install only cylinder blocks of reduced size, the balancing hydraulic cylinders operating downwardly and the balancing hydraulic cylinders taken individually along the axial shifting direction project alternately downward and upward from the shoulder of the cylinder block associated with them and act on the guide pieces on which the working rolls are mounted.

REFERENCES:
patent: 3864955 (1975-02-01), Eibe
patent: 4059976 (1977-11-01), Christ et al.
patent: 4499748 (1985-02-01), Nihei et al.

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