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Lubricants 2015, 3(2), 113-131; doi:10.3390/lubricants3020113

Numerical Treatments of Slipping/No-Slip Zones in Cold Rolling of Thin Sheets with Heavy Roll Deformation

1
Federal Centre of Technological Education of Minas Gerais (CEFET-MG), Belo Horizonte Unit—Campus II, Amazonas Avenue, 7675—CEP 30510-000—Belo Horizonte/MG, Brazil
2
Centre de Mise en Forme des Matériaux (CEMEF), MINES ParisTech, PSL Research University, CNRS UMR 7635, CS 10207 Rue Claude Daunesse, Sophia Antipolis Cedex, 06904, France
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Jeffrey L. Streator
Received: 22 December 2014 / Revised: 13 February 2015 / Accepted: 6 March 2015 / Published: 2 April 2015
(This article belongs to the Special Issue Numerical Simulation of Static and Dynamic Friction)
View Full-Text   |   Download PDF [914 KB, uploaded 2 April 2015]   |  

Abstract

In the thin sheet cold rolling manufacturing process, a major issue is roll elastic deformation and its impact on roll load, torque and contact stresses. As in many systems implying mechanical contact under high loading, a central part is under “sticking friction” (no slip) while both extremities do slip to accommodate the material acceleration of the rolled metal sheet. This is a crucial point for modeling of such rolling processes and the numerical treatment of contact and friction (“regularized” or not), of the transition between these zones, does have an impact on the results. Two ways to deal with it are compared (regularization of the stick/slip transition, direct imposition of a no-slip condition) and recommendations are given. View Full-Text
Keywords: strip rolling; modeling; Finite Element Method; Slab method; slip; friction; regularization strip rolling; modeling; Finite Element Method; Slab method; slip; friction; regularization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Shigaki, Y.; Nakhoul, R.; Montmitonnet, P. Numerical Treatments of Slipping/No-Slip Zones in Cold Rolling of Thin Sheets with Heavy Roll Deformation. Lubricants 2015, 3, 113-131.

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