锻压技术

F4轧机工作辊垂扭耦合振动仿真与分析

英文标题：Simulation and analysis on the coupling vibration of working roll for mill F4

作者：魏志恒徐海朱辰高立新

单位：北京工业大学

分类号：TG331

出版年,卷(期):页码：2016,41(11):93-97

摘要：

轧机工作辊处耦合振动是影响带钢质量的重要因素。根据某钢厂F4轧机实际参数建立了轧机工作辊垂扭耦合振动数学模型并进行了求解，得到了轧机工作辊处垂振和扭振的相互影响关系。同时，建立了该轧机系统三维模型，利用有限元分析软件ANSYS实现了关键部件的柔性化，最终建立了基于ADAMS 的轧机系统刚柔耦合虚拟样机。利用ADAMS振动分析等模块，仿真分析了不同激励下轧机工作辊的动态响应情况。通过现场实测信号的分析验证了轧机工作辊垂扭耦合振动存在的真实性及模型建立的可靠性。分析结果表明，轧机工作辊处存在垂扭耦合振动且垂振对扭振的影响较为明显。

The coupling vibration of the working roll of mill is an important factor to affect the quality of strip steel. According to the actual parameters of a mill F4, the mathematical model of the vertical and torsional coupling vibration of the rolling mill was established and solved, and the relationship between the vertical and torsional vibration of the rolling mill work roll was obtained. Meanwhile, the three-dimensional model of the rolling mill system was established. The key components were designed with flexibility by finite element analysis software ANSYS, and a rigid-flexible hybrid virtual prototype was established based on ADAMS eventually. Using ADAMS vibration analysis module, the dynamic responses of rolling mill work roll were simulated under different excitation conditions. The authenticity of the coupling vibration of the work roll and the reliability of the model were verified through the analysis of the measured signal. The analysis results show that there is a vertical and torsional coupling vibration in the working roll of mill, and the effect of the vertical vibration on the torsional vibration is obvious.

基金项目：

国家自然科学基金资助项目（51375019）

魏志恒（1991-），男，硕士研究生高立新（1953-），男，博士，教授

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