Press roll of adjustable sag

Details Press roll of adjustable sag Press roll of adjustable sag

1989-08-11

1990-04-10

Coe, Philip R.

Presses

Concurrent pressing and conveying

Roll type

291162, 72243, 100172, 100170, B30B 304

Patent

active

049150243

ABSTRACT:
A press roll of adjustable sag has a roll shell which is rotatable around a stationary yoke that is supported on a pedestal. Each end of the roll shell terminates in a journal that is supported by a self aligning bearing disposed within a bearing housing. The bearing housing and the supported end of the roll shell is displaceable relative to the yoke transversely to the axis of the press roll and in the press plane of the press roll and the mating roll. Hydraulic support pistons on the yoke supply support for the press roll shell against the mating roll. The distances between the bearings of the roll shell and of the mating roll are approximately equal. To exert additional bending forces on the ends of the roll shell, a double acting hydraulic force producing piston is supported in the pedestal and is connected with the guide part in which the self aligning bearings are supported for displacing the guide part, for displacing the bearings, for displacing the end of the roll shell, generally in the press plane. That displacement also is adapted to lift the roll shell off the mating roll.

REFERENCES:
patent: Re32586 (1988-02-01), Schiel
patent: 4213232 (1980-07-01), Biondetti et al.
patent: 4399747 (1983-08-01), Schiel et al.
patent: 4414890 (1983-11-01), Schiel et al.
patent: 4676117 (1987-06-01), Schiel
patent: 4796452 (1989-01-01), Schiel
patent: 4837907 (1989-06-01), Roerig et al.

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