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Three-Dimensional Model for Strip Hot Rolling
Authors:ZHANG Guo-min  XIAO Hong  WANG Chun-hua
Affiliation:Engineering College, Yanshan University, Qinhuangdao 066004, Hebei, China
Abstract:A three-dimensional model for strip hot rolling was developed, in which the plastic deformation of strip, the thermal crown of rolls, roll deflection and flattening were calculated by rigid-plastic finite element method, finite difference method, influential function method and elastic finite element method respectively. The roll wear was taken into consideration. The model can provide detailed information such as rolling pressure distribution, contact pressure distribution between backup rolls and work rolls, deflection and flattening of work rolls, lateral distribution of strip thickness, and lateral distribution of front and back tensions. The finish rolling on a 1 450 mm hot strip mill was simulated.
Keywords:strip hot rolling  model  finite difference method  influential function method  finite element method
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