Flexure-controllable roll having hydrostatic supporting elements

Details Flexure-controllable roll having hydrostatic supporting elements Flexure-controllable roll having hydrostatic supporting elements

1989-08-17

1991-03-05

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

291161, 291162, 100162B, 100170, B21B 2705

Patent

active

049968629

ABSTRACT:
A flexure-controllable roll includes a stationary crosshead extending through a hollow cylinder, which is rotatable about the crosshead and supported by hydrostatic supporting elements that are radially displaceable by at least one piston/cylinder unit associated with each supporting element. Hydraulic fluid flows from the cylinder chamber of each piston/cylinder unit via choke bores into supply pockets formed in the contact surface of each supporting element. An additional piston/cylinder unit is provided on the rear side of the supporting element for exerting additional forces directed either toward the supporting element to press it against the inner circumference of the hollow cylinder or away from the supporting element to pull it away from the inner circumference.

REFERENCES:
patent: 3131625 (1964-05-01), Kusters et al.
patent: 3994367 (1976-11-01), Christ
patent: 4185879 (1980-01-01), Hars et al.
patent: 4228571 (1980-10-01), Biondetti
patent: 4299162 (1981-11-01), Hartmann et al.
patent: 4328744 (1982-05-01), Pav et al.
patent: 4514887 (1985-05-01), Rauf et al.
patent: 4726691 (1988-02-01), Lehmann
patent: 4856157 (1989-08-01), Kusters
Hydrostatische Stutzquellen, Escher Wyss Mitteilungen 1/2 1980, pp. 33-39.

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