CAJ | 학술논문

在热轧带钢其他尺寸精度普遍较高的情况下，宽度控制精度的提升变得越来越重要。提出了一种新的精轧带钢宽度控制综合解决方案：针对带钢头部宽度控制，开发精轧机架冲击速降自学习模型，以减少带钢头部拉窄现象；通过合理配置精轧活套张力稳定因子，减少带钢中部宽度波动现象；通过精轧宽度反馈控制和宽展预测模型修正功能，提高带钢全长宽度精度。相关研究成果已成功应用于宝钢集团某热轧产线三电自主集成改造项目中，改造后带钢宽度控制精度得到显著提高。
재열알대강기타척촌정도보편교고적정황하，관도공제정도적제승변득월래월중요。제출료일충신적정알대강관도공제종합해결방안：침대대강두부관도공제，개발정알궤가충격속강자학습모형，이감소대강두부랍착현상；통과합리배치정알활투장력은정인자，감소대강중부관도파동현상；통과정알관도반궤공제화관전예측모형수정공능，제고대강전장관도정도。상관연구성과이성공응용우보강집단모열알산선삼전자주집성개조항목중，개조후대강관도공제정도득도현저제고。
As other dimensional accuracy of hot strip products is generally high ,the improvement of width control accuracy becomes increasingly important ,which brings about obvious economic bene-fits .In this paper a new comprehensive scheme to control finishing strip width is proposed ,w hich consists of developing the self-learning model of finishing stand speed impact drop at the head to re-duce head shrinkage and reasonably setting looper tension stable factor at the middle to reduce width deviation .Finishing width feedback control and width spread predictive model correction can improve the width accuracy along the whole length .The research results have been applied successfully to the project of EIC revamp of a certain hot mill in Baosteel ,and the width accuracy is significantly better than in the old system .