变接触轧制技术在热带钢轧机上的应用

钢铁, 2007, 42(2): 31-0.

变接触轧制技术在热带钢轧机上的应用

１. 北京科技大学高效轧制国家工程研究中心，北京 100083； 2. 鞍山钢铁集团公司热轧带钢厂，辽宁鞍山 114021

1.1. National Engineering Research Center for Advanced Rolling Technology of University of Science and Technology Beijing， Beijing 100083， China；2. Hot Strip Plant of Anshan Iron and Steel Group Company， Anshan 114021， Liaoning, China

关键词：热带钢轧机;板形控制;辊形

Application of Varying Contact Rolling Technology on Hot Strip Mills

HE Anrui , YANG Quan , CHEN Xianlin , ZHAO Lin , XU Yanqiang

Keywords： hot strip mill;profile and flatness control;roll contour

阐述了变接触轧制技术的原理。从理论上分析了变接触轧制技术在提高承载辊缝横向刚度、增加弯辊力调控功效、改善辊间接触压力分布方面的作用。通过在宽带钢热连轧机上的长时间应用证明：变接触轧制技术可以显著改善轧后带钢的板形质量、降低轧辊消耗和增加轧制单位公里数。

The principle of varying contact rolling technology is introduced.Theoretically the varying contact rolling technology can increase the transverse stiffness of loaded roll gap, heighten the control effect of roll bending, improve the distribution of contact force between backup roll and work roll. After longterm application on hot wide strip mills, varying contact rolling technology was proved to be effective in strip profile and flatness improvement roll consumption reduction and increase of rolled product length of rolling cycle.

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