Method of adjusting the contact pressure of a rolling mill and a

Details Method of adjusting the contact pressure of a rolling mill and a Method of adjusting the contact pressure of a rolling mill and a

1976-11-15

1978-02-21

McCarthy, Edward J.

Presses

Methods

29116AD, 72 20, 72243, 100170, B30B 1300, B21B 1302, B30B 304

Patent

active

040746240

ABSTRACT:
A method of, and apparatus for, adjusting the contact pressure of a rolling mill for rolling a web of material, the rolling mill comprising at least one controlled deflection roll equipped with a plurality of hydrostatic pressure elements operable by means of a hydraulic pressure medium. After the web of material has passed through the rolling mill the action of such rolling mill upon the web of material is measured at a number of points or locations across the web and the pressure of the pressure medium supplied to the individual pressure elements associated with the measuring points or locations is adjusted as a function of the measured values such that there is obtained a desired reference value for the action of the rolling mill at the measuring points or locations.

REFERENCES:
patent: 3084314 (1963-04-01), Ziffer
patent: 3119324 (1964-01-01), Justus
patent: 3667283 (1972-06-01), Takenaka
patent: 3921514 (1975-11-01), Biondetti
patent: 4023480 (1977-05-01), Biondetti

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