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RESEARCH PAPERS

Two-Dimensional Transient Thermal Behavior of Work Rolls in Rolling Process

[+] Author and Article Information
Remn-Min Guo

Department of Automation Technology, ARMCO Research & Technology, Middletown, OH

J. Manuf. Sci. Eng 120(1), 28-33 (Feb 01, 1998) (6 pages) doi:10.1115/1.2830107 History: Received January 01, 1996; Revised May 01, 1996; Online January 17, 2008

Abstract

In the rolling process, deformation and friction energy generated in the roll bite transfer to work rolls. Work rolls are cooled by the cooling medium in both entry and exit sides of the mill. The transient cooling behavior of the roll affects the temperature distribution and the thermal profile. This article proposes a semi-analytical solution to solve the temperature field of the work roll which is subjected to various cooling and heating boundary conditions during a rolling campaign. Laplace and inverse transforms are applied to pursue the unsteady solution for one particular boundary condition. The complete solution for various boundary conditions is superimposed by related individual solutions using Duhamel’s rule. Case studies as demonstrated in this paper show versatility of the developed model.

Copyright © 1998 by The American Society of Mechanical Engineers
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