Deflection-controlled roll for the pressure treatment of materia

Details Deflection-controlled roll for the pressure treatment of materia Deflection-controlled roll for the pressure treatment of materia

1976-04-06

1977-11-22

Guest, Alfred R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21B 1302

Patent

active

040588777

ABSTRACT:
The deflection-controlled roll has a roll shell rotatable about a fixed beam with a plurality of hydraulic piston support devices along the roll for exerting support forces between the beam and the roll shell. The roll shell has weakened zones along its length for reducing the stiffness of the shell. The weakened zones may comprise grooves, circumferential rows of bores or tangential slots, corrugated annular inserts, etc. The weakened zones may be formed between annular portions of the roll shell aligned with the operating surfaces of the support devices. Preferably the support devices form hydrostatic support fluid layers between the operating surfaces and the roll shell. Lift-off support devices may be employed.

REFERENCES:
patent: 3119324 (1964-01-01), Justus
patent: 3336648 (1967-08-01), Alexeff
patent: 3389450 (1968-06-01), Robertson
patent: 3587152 (1971-06-01), Hold
patent: 3665572 (1972-05-01), Robertson
patent: 3676908 (1972-07-01), Wittler et al.
patent: 3802044 (1974-04-01), Spillmann et al.

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