Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1982-04-23
1988-01-12
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
72243, B21B 3712
Patent
active
047182628
ABSTRACT:
A method for controlling edge taper ("feather") in a rolled metal strip utilizes a rolling mill having at least one pair of opposed work rolls through which the strip is passed for thickness reduction. The method first provides that a target rolling pressure is established as a function of the desired maximum amount of edge taper. A target crown for the finished strip is then established and the final work roll crown which will produce the target crown at the target rolling pressure is determined. The work roll crown is then adjusted to the final work roll crown for making the final pass of the strip through the work rolls.
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patent: 3938360 (1976-02-01), Shida et al.
patent: 4137741 (1979-02-01), Fapiano et al.
"Mathematical Modeling System for Cold Tandem Mills: Influence of Rolling and Roll Bending Forces on Strip Crown" by J. V. Poplawski et al. Proceeding of the 23rd Mechanical Working and Steel Processing Conference on Oct. 28 and 29, 1981-published 1982. pp. ii, v, 218-250.
"Effect of Hot- and Cold- Rolling Operation on Strip Crown and Feather Edge" by R. R. Somers, Proc. International Conference on Steel Rolling, The Iron and Steel Institute of Japan, pp. 701-712, Sep. 29-Oct. 4, 1980.
"Reduction in the Thickness Deviation of Hot Strip" by A. Adachi et al., date and publication status unknown.
"New Approach to the Computer Setup of the Hot Strip Mill" by S. Wilmotte et al., Iron and Steel Engineer Yearbook, 1977.
"Theory and Practical Aspects in Crown Control" by M. D. Stone et al., Iron and Steel Engineer Yearbook, 1965.
"Shape Control of Steel Strip with Sumitomo Variable Crown Roll System" by T. Kurashige et al., Proc. International Conference on Steel Rolling, The Iron and Steel Institute of Japan, pp. 521-531, Sep. 29-Oct. 4, 1980.
General Electric Company
Larson Lowell A.
Renner Arnold E.
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