摘要
试验发现高速轧机中的多种振动现象都与轧制过程多种的交互作用相关 ,研究轧机振动中的界面耦合机理与机电耦合机理。建立了轧制界面动力学模型 ,分析了轧制界面负阻尼特性和垂直自激振动 ;建立了轧机非线性水平振动模型 ,分析水平自激振动产生条件。建立轧机机电耦合动力学方程 ,阐明了强、弱电过程对轧机振动的影响。
We found by experiments that severa kinds of vibrations in the high speed rolling mill are interrelated to the interaction between various factors in the rolling process.In this work,we studied the mechanism of the interaction and the electromechanical coupling existing in the vibrations,constructed a dynamic model of the rolling interface,analyzed the negative damping at the interface and the self-excited vibration,constructed a non-linear dynamic model,analyzed the conditions for horizontal self-excited vibration,derived the dynamic equation of the electromechanically coupled system and explained the influence of strong and weak electric processes on the vibrations.
出处
《振动．测试与诊断》
EI
CSCD
2002年第1期1-8,共8页
Journal of Vibration,Measurement & Diagnosis
基金
国家自然科学基金资助项目 (编号 :59835 170 )
关键词
振动
耦合动力
高等轧机
复杂机电系统
rolling mill complex electromechanical system coupling system dynamics
