Modeling of the inlet zone in the mixed lubrication situation of cold strip rolling |
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Authors: | Cheng Lu A Kiet Tieu Zhengyi Jiang |
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Affiliation: | Faculty of Engineering, University of Wollongong, Wollongong, NSW 2522, Australia |
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Abstract: | In this paper a method to simulate the oil thickness and length of elastic deformation in the inlet zone of cold rolling has been developed. The mixed film lubrication model was adopted to describe the behavior of the lubricant and asperity deformation. The elastic Von Karman equation was used to describe the elastic deformation of strip in the inlet zone. The length and lubricant film thickness of the inlet zone can be obtained by a numerical method. Results of simulations show that the reduction, rolling speed, back tension have a significant influence on the lubricant film thickness and the inlet zone length. |
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Keywords: | Mixed film regime Hydrodynamic inlet Cold rolling Elastic deformation Full film zone |
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