Adjustable-crown roll

Details Adjustable-crown roll Adjustable-crown roll

1991-12-31

1993-12-28

Jones, W. Gary

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

100162B, 100170, 100172, 492 7, D21G 102

Patent

active

052736261

ABSTRACT:
The invention concerns an adjustable-crown roll having a stationary roll axle which is supported on the machine frame by means of articulated bearings, and a roll mantle which is arranged to revolve on the axle. Hydrostatic loading members or an equivalent pressure fluid chamber or series of chambers are arranged in the space between the axle and the roll mantle. By means of the loading members or equivalent, the profile of a nip formed with a counter-roll of the roll is regulated. A support bushing arranged concentrically with the roll mantle is attached to one end of the roll mantle and revolves along with the roll mantle. A bearing is installed on the support bushing. The bearing receives axial forces from the roll mantle and transfers the same to the machine frame through the non-revolving bearing bock or housing of the bearing. The bearing is arranged, in the axial direction, outside the roll, whereby the roll is suitable for use as a hot roll.

REFERENCES:
patent: Re32586 (1988-02-01), Schiel et al.
patent: 3705751 (1972-12-01), Dee
patent: 3949455 (1976-04-01), Biondetti
patent: 4414890 (1983-11-01), Sciel et al.
patent: 4639990 (1987-02-01), Schiel et al.
patent: 4796525 (1989-01-01), Schiel et al.
patent: 4962577 (1990-10-01), Kubik et al.

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