Roll with controllable line pressure

Details Roll with controllable line pressure Roll with controllable line pressure

1987-11-30

1989-08-15

Arnold, Bruce Y.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291132, B21B 1302

Patent

active

048561576

ABSTRACT:
A roll is provided comprising a rotating hollow roll forming a working circumference and having a stationary crosshead extending therethrough to form a clearance gap therebetween. The entire clearance gap is filled with pressurized fluid. In the crosshead cylinder-like bores are provided with piston-like sealing elements displaceable therein to rest against the inner circumference of the hollow roll. The elements optionally may exert against the inner circumference of the hollow roll a higher or lower pressure relative to the pressure in the gap to create a line pressure or lifting force for shifting the hollow roll in the effective plane.

REFERENCES:
patent: 3726691 (1988-02-01), Lehmann
patent: 3802044 (1974-04-01), Spillmann et al.
patent: 3879827 (1975-04-01), Lehmann
patent: 4091517 (1978-05-01), Lehmann et al.
patent: 4307501 (1981-12-01), Ahrweiler
patent: 4598448 (1986-07-01), Schiel et al.
patent: 4751775 (1988-06-01), Kubik
patent: 4776069 (1988-10-01), Snellman
Ahrweiler, K. H., "The Vario Swimming Roll Kusters for the Adjustment of Linear Force Distribution", pp. 165-168 (1980).

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