Fluid distribution system for a variable-crown roll

Details Fluid distribution system for a variable-crown roll Fluid distribution system for a variable-crown roll

1990-08-01

1992-04-14

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291161, 29129, B21B 1302

Patent

active

051035421

ABSTRACT:
The invention concerns a fluid distribution system for a variable-crown roll adjustable in zones, this roll having a stationary central axle and a revolving roll mantle arranged on the axle. Hydraulic loading elements acting upon an inner face of the roll mantle or a corresponding pressure-fluid chamber, or a series of chambers, may be provided in a space between the central axle and the mantle, so that the axial profile of the variable-crown roll can be adjusted. The fluid distribution system of the roll has a system of fluid distribution ducts provided in connection with the central axle, with pressure fluid passing to zones of the roll being arranged to be supplied through this system. The system of fluid distribution ducts has an oblong, continuous profile of substantially circular section, which is provided with several axial ducts and with transverse bores for passing the fluid at least to the hydraulic loading elements. An axial hole has been formed into the central axle of the roll, and into which the profile is fitted. The profile is sealed on an outer face thereof with respect to this hole in the axle, by seals between the discrete zones.

REFERENCES:
patent: 3430321 (1969-03-01), Lyons
patent: 3494675 (1970-02-01), Hold et al.
patent: 4090282 (1978-05-01), Lehmann
patent: 4358993 (1982-11-01), Spillmann
patent: 4683628 (1987-08-01), Schonemann
patent: 4757582 (1988-07-01), Verkasalo
patent: 4757584 (1988-07-01), Pav et al.
patent: 4796525 (1989-01-01), Schiel et al.
patent: 4848119 (1989-07-01), Pav et al.

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