A simple approach for analysing the surface texture transfer in cold rolling of metal strips

A simple approach for analysing the surface texture transfer in cold rolling of metal strips This paper presents a simple approach for analysing the surface texture transfer in cold rolling of metal strips. The approach made use of the advantages of the slab method and accommodated the surface roughness effect of a rigid work roll. A numerically generated rough surface, whose heights generally follow a Gaussian distribution and distribute transversely, was used in the calculation. The transient distribution of contact stresses and instant texture transfer were then predicted. The interface contact pressure and friction stresses predicted by the established method were verified by the finite element method under the same rolling conditions. It was found that the new approach is efficient and cost-effective. The application of the approach revealed that due to the surface texture of the work roll, the interface stress in the rolling bite can be discontinuous, and that a higher roughness transfer ratio can be expected when reduction ratio increases. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

A simple approach for analysing the surface texture transfer in cold rolling of metal strips

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer-Verlag London Ltd.
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-1218-9
Publisher site
See Article on Publisher Site

Abstract

This paper presents a simple approach for analysing the surface texture transfer in cold rolling of metal strips. The approach made use of the advantages of the slab method and accommodated the surface roughness effect of a rigid work roll. A numerically generated rough surface, whose heights generally follow a Gaussian distribution and distribute transversely, was used in the calculation. The transient distribution of contact stresses and instant texture transfer were then predicted. The interface contact pressure and friction stresses predicted by the established method were verified by the finite element method under the same rolling conditions. It was found that the new approach is efficient and cost-effective. The application of the approach revealed that due to the surface texture of the work roll, the interface stress in the rolling bite can be discontinuous, and that a higher roughness transfer ratio can be expected when reduction ratio increases.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Oct 29, 2017

References

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