Forced transverse vibration of rolls for four-high rolling mill

作     者：孙建亮 彭艳 刘宏民 江光彪 

作者机构：State Key Laboratory of Metastable Materials Science and TechnologyYanshan University Engineering Research Center of Rolling Equipment and Complete Technology of Ministry of EducationYanshan University Hot Rolling Mill of Baoshan Iron and Steel Co Ltd 

出 版 物：《Journal of Central South University》 (中南大学学报（英文版）)

年 卷 期：2009年第16卷第6期

页      面：954-960页

核心收录：

学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0802[工学-机械工程] 080101[工学-一般力学与力学基础] 080201[工学-机械制造及其自动化] 0801[工学-力学（可授工学、理学学位）] 

基　　金：Project(50875231) supported by the National Natural Science Foundation of China Project(E2006001038) supported by Great Natural Science Foundation of Hebei Province, China 

主　　题：four-high mill forced transverse vibration rolls modal superposition method 

摘      要：In order to investigate the forced transverse vibration of rolls under distributed draught pressure and moment of bending roll force, the forced transverse vibration model of rolls for four-high rolling mill was established. The work roll and backup roll were considered as elastic continuous bodies that were joined by a Winkler elastic layer. According to Euler-Bemoulli beam theory, the forced transverse vibration of rolls was analyzed based on modal superposition method. The forced vibration equations were established when the draught pressure and moment of bending roll force were imposed on the rolls respectively. Numerical modeling was made on 2 030 mm cold tandem rolling mill of Baoshan Iron and Steel Company. Simulation results show that when the work roll is only subjected to different forms of draught pressures, the vibration curves of work roll and backup roll are quadratic curves with amplitudes of 0.3 mm and 45 μm, respectively. When only the moments of bending roll force are imposed on the work roll and backup roll, the vibration curves of work roll and backup roll are quadratic curves, and the amplitudes are 5.0 and 1.6 μm, respectively. The influence of moment of bending roll force on the vibration of work roll is related with the bending roll force.