首页|Theoretical and numerical research on effect of tension mechanisms in strip flatness electromagnetic control rolling mills
Theoretical and numerical research on effect of tension mechanisms in strip flatness electromagnetic control rolling mills
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To achieve stable rolling,the influence of a tension mechanism of a large diameter ratio roll system on the rolling process of a strip flatness electromagnetic control rolling mill is studied.Through the analysis of the rolling deformation zone,the deformation zone composition form of a large diameter ratio roll system and a calculation formula of neutral angle under tension are proposed.To analyze the effect of front and post tensions on the rolling characteristic and the strip flatness control characteristic,a three-dimensional rolling finite element(FE)model of a large diameter ratio roll system with the function of roll profile electromagnetic control is established by FE software and verified by a strip flatness electromagnetic control rolling mill.Based on the model,the strip thickness characteristic,metal transverse flow,strip flatness state,and adjustment range of the loaded roll gap are analyzed for different front and post tensions setting values.The results show that changing the front or post tension setting values can improve the single-pass reduction rate of a large diameter ratio roll system and have little effect on the flatness control ability of the strip flatness electromagnetic control rolling mill.
Strip flatness electromagnetic control rolling millTension mechanismRoll profile electromagnetic control technologyRolling characteristicStrip flatness control characteristic
National Engineering Research Center of Advanced Rolling and Intelligent Manufacturing,University of Science and Technology Beijing,Beijing 100083,China
Institute of Aeronautical Power Machinery,AECC Harbin Dongan Engine Co.,Ltd.,Harbin 150000,Heilongjiang,China
Natural Science Foundation of Hebei Province of China
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