Strip or sheet mill with improved regulating device and method

Details Strip or sheet mill with improved regulating device and method Strip or sheet mill with improved regulating device and method

1981-04-22

1983-08-30

Larson, Lowell A.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 12, 72243, 72247, 364472, B21B 3712, B21B 3118, B21B 3120

Patent

active

044009577

ABSTRACT:
The invention relates to a strip or sheet mill having working rolls, backup rolls and axially displaceable intermediate rolls positioned therebetween. Associated with the rolled strip of the rolling mill is a flatness measuring device (e.g., for measuring the distribution of the strip tension over the strip width), the output signals of the flatness measuring device being fed, together with signals representing the strip width, to at least two different evaluating members, one of these serving to deliver a regulating signal for adjusting the crown of the working rolls, and the other serving to deliver a regulating signal for adjusting the axial positions of the intermediate rolls.

REFERENCES:
patent: 3756050 (1973-09-01), Kubo et al.
patent: 3890834 (1975-06-01), Henze
patent: 3902345 (1975-09-01), Shida

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