Shape and Flatness in Thin Strip Rolling

[+] Author and Article Information
H. W. O’Connor

Jones and Laughlin Steel Corp., Graham Research Lab., Pittsburgh, Pa.

A. S. Weinstein

Department of Mechanical Engineering, Carnegie-Mellon University, Pittsburgh, Pa.

J. Eng. Ind 94(4), 1113-1123 (Nov 01, 1972) (11 pages) doi:10.1115/1.3428313 History: Received July 02, 1971; Online July 15, 2010


The paper describes measurements of lateral flow of material which took place during cold rolling thin strip. This sideways flow is shown to have a considerable influence of the final flatness of the strip. A mathematical model of a rolling mill stand is described, which includes a calculation allowing for sideways flow of material. Parameter studies are made using the mathematical model, which show the influence of crowns, tensions, back-up and work roll bending on the resultant strip shape. A comparison is made between results predicted by the model and test results obtained on a production mill.

Copyright © 1972 by ASME
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