Presses – Methods
Patent
1987-04-08
1988-12-27
Falik, Andrew M.
Presses
Methods
100162B, 100170, 100176, 72243, 291162, B30B 304
Patent
active
047932503
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.
REFERENCES:
patent: 3097590 (1963-07-01), Justus
patent: 4327468 (1982-05-01), Kusters et al.
patent: 4399747 (1983-08-01), Schiel et al.
patent: 4414890 (1983-11-01), Schiel et al.
patent: 4440077 (1984-04-01), Schiel
patent: 4453299 (1984-06-01), Hemmi
patent: 4455727 (1984-06-01), Tschirner
patent: 4480459 (1984-11-01), Feldman et al.
patent: 4502312 (1985-03-01), Marchioro
patent: 4709571 (1987-12-01), Guttinger
Falik Andrew M.
Valmet Oy
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