噪声与振动控制2016，Vol.36Issue(3)：52-56,5.DOI:10.3969/j.issn.1006-1335.2016.03.011
热镀锌线沉没辊动力学建模与稳定性分析
Dynamic Modeling and Stability Analysis of the Sink Roll in a Hot-dip Galvanizing Line
卢增静 1肖彪 1李伟 1徐培民1
作者信息
- 1. 安徽工业大学 机械工程学院，安徽 马鞍山 243032
- 折叠
摘要
Abstract
In order to find out the vibration mechanism of the sink roll in hot-dip galvanizing lines, its dynamic model is established. The zinc pot hardware is appropriately simplified and the kinematic and dynamic perfoprmance of the sink roll is analyzed. A mechanical model including steel strip, sink roll and bearings is established. D’Alembert principle is used to derive the nonlinear dynamic equations. The system equilibrium positions are obtained according to the dynamic equations. Then, the new dynamic equations relative to the steady state of the system are derived. The stability analysis of the sink roll is performed by using Lyapunov stability theory, and the stability criterion is deduced. This dynamic model has provided the foundation for analyzing the vibration response and control measures for the sink rolls. Stability criterion demonstrates that the appropriate initial tension, strip velocity and roll engagement can increase the stability of the sink roll.关键词
振动与波/沉没辊/动力学模型/稳定性判据/达朗贝尔原理Key words
vibration and wave/sink roll/dynamic model/stability criterion/D’Alembert principle分类
机械制造引用本文复制引用
卢增静,肖彪,李伟,徐培民..热镀锌线沉没辊动力学建模与稳定性分析[J].噪声与振动控制,2016,36(3):52-56,5.
