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Simulation of deformation and temperature in multi-pass continuous rolling by three-dimensional FEM |
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| Authors: | S.Y. Yuan L.W. Zhang S.L. Liao G.D. Jiang Y.S. Yu M. Qi |
| Affiliation: | 1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;2. National Engineering Research Center of Flat Rolling Equipment, University of Science and Technology Beijing, Beijing 100083, China;3. Wuhan Iron and Steel Company Ltd., China Baowu Steel Group Corporation, Wuhan 430083, Hubei, China;1. School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, New South Wales 2522, Australia;2. Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, New South Wales 2232, Australia;3. Baosteel Research Institute, Shanghai, China;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;1. Institute of Metal Forming (IBF), RWTH Aachen University, Aachen, Germany;2. AG der Dillinger Hüttenwerke, Dillingen, Germany |
| Abstract: | This paper presents a new method for modeling a rod and wire continuous rolling process. Three-dimensional FE models of the whole rolling process are established by the proposed method that consists of a pushing technique of rigid body and a method of data transfer, and it is utilized to analyze the deformation and the temperature distribution of billet during the multi-pass rolling process. The pushing technique of rigid body is developed to keep the contact status between the deformable body and a rigid body and to push the deformable body forward during inter-pass time. The method of data mapping is adopted to transfer element field variations between meshes of different models by an interpolation function. The model was applied to simulate 18 stands rolling process of a 304 stainless steel and provides an insight into the process by studying the billet deformation and the temperature distribution. It shows fairly good agreement between the predictions and the measured values of temperature. |
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