Performance Analysis of Asymmetrical Roll Bending for FlatnessControl of Cold Rolling Mill
When there appeared catastrophic asymmetrical flatness defects in rolling processes, especially when the incoming strip is with a wedge shape, the tilting roll can hardly eliminate these defects completely. Moreover, the overshooting of tilting roll will lead to strip break. In order to improve the ability of cold rolling mill for asymmetrical flatness defects control, performance of the work roll asymmetrical bending as well as the intermediate roll asymmetrical bending has been analyzed, based on the actuator efficiency factors of them. In addition, for the purpose of obtaining accurate efficiency factors matrixes of actuators, a self-learning determination model of actuator efficiency factors was established in accordance with the practical rolling processes. In this paper, a 1250 single stand 6-H reversible UCM cold mill was taken as the object of this study, with efficiency factors of asymmetrical roll bending analyzed, which provides a theoretical basis for better flatness control. Analysis shows that the asymmetrical roll bending is significant for asymmetrical flatness control.
Flatness control Actuator efficiency Asymmetrical bending UCM cold mill
Dianhua Zhang Pengfei Wang Wenxue Zhang Xu Li
State Key Laboratory of Rolling and Automation, Northeastern University,Shenyang 110004，China Shanghai Baosight Software Co., Ltd, Shanghai 201203, China
国际会议
International Symposium on Advanced Rolling Equipment Technologies(第一届轧钢设备新技术国际研讨会 ISARET 2010)
太原
英文
93-99
2010-09-23（万方平台首次上网日期，不代表论文的发表时间）