Method and apparatus for regulating the temperature in end areas

Details Method and apparatus for regulating the temperature in end areas Method and apparatus for regulating the temperature in end areas

1996-10-18

1999-02-02

Cuda, I.

Roll or roller

With antideflection means

Rotatable relative to supporting shaft

492 16, 492 20, D21G 102

Patent

active

058657169

ABSTRACT:
A method and apparatus for regulating the temperature in end areas of a roll mantle of a variable-crown roll provided with glide bearings and/or for compensating for an error in the diameter of the roll arising from thermal expansion. The roll mantle of the roll is supported adjustably on the roll axle by hydraulic loading elements loaded by a pressure medium and acting upon the inner face of the roll mantle at least in the direction of the nip plane. Further, the roll mantle is supported on the roll axle by hydraulic glide-bearing elements loaded by a pressure medium and arranged in the areas of the ends of the roll mantle. A fluid is supplied into the end areas of the roll and has a regulated temperature and/or flow so that it is possible to keep the temperature in the end areas of the roll mantle at a desired level, for example, substantially at the same level as the temperature in the middle area of the roll.

REFERENCES:
patent: 4729153 (1988-03-01), Pav et al.
patent: 5060357 (1991-10-01), Roerig et al.
patent: 5111563 (1992-05-01), Brown et al.
patent: 5509883 (1996-04-01), Niskanen et al.
Abstract and Translation of Claims 1 and 2 of Finnish Patent Application No. 935165 filed Nov. 22, 1993.

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