Analysis of cold rolling of ultra thin strip |
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| Authors: | ZY Jiang D Wei AK Tieu |
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| Affiliation: | 1. National Engineering Research Center of Flat Rolling Equipment, University of Science and Technology Beijing, Beijing, 100083, China;2. Hot Rolling Department of Qian’an Iron and Steel Corporation, Shougang Company Limited, Tangshan, 064404, Hebei, China;3. No.4 Steel Group, Ma''anshan Iron and Steel Company Limited, Ma''anshan, 243003, Anhui, China;1. Institute of Advanced Manufacturing Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Changzhou 213164, Jiangsu, China;2. Key Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China;3. Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China;2. Tata Steel, Research & Development, IJmuiden, the Netherlands |
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| Abstract: | In this paper, the cold rolling experiments of ultra thin steel strip were carried out on an experimental rolling mill. The cold rolling of ultra thin strip with roll edge kiss was analysed theoretically, and the rolling force, intermediate force between the work roll and backup roll, the roll edge kiss force, the strip shape after rolling are obtained for this special rolling, and they are compared for various reduction and friction coefficients. Simulation results show that the reduction has a significant influence on the shape of rolled strip, and the calculated rolling forces and strip profile are consistent with the measured values. The effect of friction in the roll bite on cold rolling of ultra thin strip with roll edge kiss is also discussed. Surface characteristic was measured and it is shown that the steel surface roughness value reduces with an increase of reduction. |
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