轧辊偏移条件下六辊轧机的板形调控特性

发布时间：2018-05-11 01:27

本文选题：UCM轧机 + 稳定性　；参考：《工程科学学报》2017年08期

【摘要】：为提高冷轧带钢六辊轧机辊系的稳定性,目前常采用轧辊偏移方法.本文通过ABAQUS有限元软件建立辊系-轧件一体化耦合模型,对不同轧辊偏移辊系进行受力分析,揭示了不同轧辊偏移条件对六辊轧机板形调控特性的影响规律.结果表明,中间辊正向偏移轧制时,工作辊弯辊力对二次凸度调控功效最好,对四次凸度影响较大;在四种偏移方式条件下,中间辊弯辊力在0~300 k N范围内对带钢二、四次凸度调控功效基本相同;中间辊正向偏移轧制时,中间辊弯辊力在300~500 k N范围内对带钢二次凸度调控功效最好;工作辊正向偏移轧制时,中间辊弯辊力对四次凸度影响较大;不同轧辊偏移条件下中间辊窜辊对带钢二次凸度调控趋势基本相同,且负窜辊对二次凸度的调控功效优于正窜辊,工作辊正、反向偏移轧制条件下中间辊窜辊对四次凸度影响较大.
[Abstract]:In order to improve the stability of six-high cold strip mill roll system, roll offset method is often used at present. In this paper, the coupling model of roll system and workpiece integration is established by ABAQUS finite element software, and the stress analysis of different roll offset rolls is carried out, and the influence of different roll offset conditions on the shape control characteristics of six-high rolling mill is revealed. The results show that the bending force of the work roll has the best effect on the secondary crown and has a great influence on the fourth crown, and the bending force of the middle roll is on the second steel strip in the range of 0 ~ 300 KN under the condition of four offset modes. The control effect of the fourth crown is basically the same, the bending force of the intermediate roll is the best in the range of 300 ~ 500kN for the secondary crown of the strip, and when the work roll is in the forward offset rolling, the bending force of the intermediate roll is the best in the range of 300 ~ 500kN. The bending force of intermediate roll has a great influence on the fourth crown, and the control trend of secondary crown of strip is basically the same under different roll deviation conditions, and the effect of negative channeling roll on secondary crown is better than that of positive roll, and the work roll is positive. The intermediate roll channeling has a great influence on the fourth crown under the condition of reverse offset rolling.
【作者单位】：北京科技大学高效轧制国家工程研究中心;
【基金】：国家自然科学基金资助项目(51404021) 中央高校基本科研业务费专项资金资助项目(FRF-IC-16-001)
【分类号】：TG333.72

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