Importance

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Abstract

A method and apparatus for obtaining substantially uniform profiles of the roll mantles of an adjustable-crown roll and a counter-roll at a nip formed therebetween wherein the bearing distance of the counter-roll is substantially larger than the bearing distance of the adjustable-crown roll and wherein the nip is loaded by load forces applied to one or both rolls, preferably at regions of the bearings. A compensation moment is produced by devices situated within the mantle of the adjustable-crown roll between the bearings thereof loading both end regions of the roll mantle, the magnitude of the moment adjustable by adjusting the moment-producing compensation force such that the profiles of the deflected roll mantles of the adjustable-crown roll and the counter-roll at the nip are substantially uniform.

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First Claim