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第十届国际制造工程与管理会议

作者： TANG Hua-ping, WANG Dong-yun, ZHONG Jue (1. College of Mechanical and Electrical Engineering, Central SouthUniversity, Changsha 410083, China 2. Zhong Yun Technology Institute, Zhengzhou 450007, China)

＜正＞ The unsteady condition of rolling Mill vibration that was caused by flexural vibration of strip was investigated. The parametric flexural vibration equation of rolled strip was established. The parametric flexural vibration stability of rolled strip was studied and region of stability and unstability was determined based on floquet theory and perturbation method. The flexural-vibra-tion of strip was unstable if the frequency of variable tension was twice as the natural frequency offlexural-vibration strip. The characteristics of electric current in a temp driving motor’ s main loop was studied and tested, and approved that there were 6 humorous current ponderance and 12 humorous current ponderance in main circuit of driving motor. Vertical vibration of working roller was tested, the test approved that there were running unsteady caused by parametric vibration. It attached importance to the parametric vibration of rolling mill.

关键词： rolling mill parametric vibration floquet theory and mechanism

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Investigation for Electromechanical Coupling Unstability of Rolling Mill

引用

厦门大学学报（自然科学版） 2002年第S1期41卷 68-页

作者： TANG Hua-ping 1, WANG Dong-yun 2, ZHONG Jue 1 (1. College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China 2. Zhong Yun Technology Institute, Zhengzhou 450007, China)

The unsteady condition of rolling Mill vibration that was caused by flexural vibration of strip was investigated. The parametric flexural vibration equation of rolled strip was established. The parametric flexural vibration stability of rolled strip was studied and region of stability and unstability was determined based on floquet theory and perturbation method. The flexural-vibration of strip was unstable if the frequency of variable tension was twice as the natural frequency of flexural-vibration strip. The characteristics of electric current in a temp driving motor’s main loop was studied and tested, and approved that there were 6 humorous current ponderance and 12 humorous current ponderance in main circuit of driving motor. Vertical vibration of working roller was tested, the test approved that there were running unsteady caused by parametric vibration. It attached importance to the parametric vibration of rolling mill.

关键词： rolling mill parametric vibration floquet theory and mechanism

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