A Semi-Empirical Friction Model for Cold Metal Rolling
- 1 January 2001
- journal article
- research article
- Published by Taylor & Francis in Tribology Transactions
- Vol. 44 (2) , 284-290
- https://doi.org/10.1080/10402000108982460
Abstract
A semi-empirical model of friction is developed for cold metal rolling in the mixed lubrication regime. An asperity flattening model is used to investigate the evolution of the contact area and hydrodynamic pressure between the roll and strip surfaces. An appropriate coefficient of friction for the contact areas between roll and strip surfaces is determined empirically using tests on a strip drawing rig. The asperity flattening model is combined with the empirical data for friction on the contact areas to predict the effect of speed on friction in rolling. Predicted values of friction coefficient are in reasonable agreement with published measurements.Keywords
This publication has 12 references indexed in Scilit:
- An Experimental Investigation of Surface Pit Evolution During Cold-Rolling or Drawing of Stainless Steel StripJournal of Tribology, 2000
- Flattening of Random Rough Surfaces in Metal-Forming ProcessesJournal of Tribology, 1999
- A Mixed Lubrication Model for Cold Strip Rolling—-Part I: TheoreticalTribology Transactions, 1998
- Measurements of Friction in Cold Metal RollingJournal of Tribology, 1996
- Mixed Lubrication of Strip RollingTribology Transactions, 1994
- Surface asperity deformation during sheet formingInternational Journal of Mechanical Sciences, 1992
- Cold Rolling of FoilProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 1992
- The Measurement and Study of Very Thin Lubricant Films in Concentrated ContactsTribology Transactions, 1991
- Lubrication in Cold Strip Rolling in the ‘Mixed’ RegimeProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 1990
- Experimental Measurements of Lubricant Film Thickness in Cold Strip RollingProceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 1990