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高强度带钢表面粗糙度轧制转印规律及预测模型 被引量:11

Surface roughness rolling-transfer regularity and prediction model of high strength steel strips
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摘要 针对高强度带钢表面粗糙度的特殊要求和控制难题,采取批量工业生产实验和数理统计的方法,研究高强度带钢表面粗糙度的轧制转印及变化规律,以及轧机工作辊表面粗糙度的变化规律.确定了高强度带钢表面微观形貌由末机架决定,分别建立了高强度带钢表面粗糙度预测模型、轧制转印率模型和轧机工作辊表面粗糙度预测模型.比较了高强度带钢与普通强度带钢的轧制转印行为.研究结果可用于工业生产过程中预测高强度带钢表面粗糙度,合理安排冷轧轧制顺序和轧制计划,以及预测确定工作辊上下机时间节点. The surface roughness rolling-transfer and change law of high strength steel strips and the surface roughness change law of working rolls are studied through a batch of field experiments and analyzed by a statistical method to find out a control method of producing high strength steel strips with especially required roughness. Experimental results show that the surface morphology of high strength steel strips is determined by the end of the continuous rolling mill. A surface roughness prediction model and a rolling-transfer rate model of high strength steel strips and a surface roughness prediction model of working rolls are established in this paper. The rolling-transfer behaviors of high strength steel strips are compared with those of normal strength steel strips. These models can be used to predict the surface roughness of high strength steel strips during industrial production,help to order the cold rolling sequence and make a rolling plan more efficiently,and determine the roll replacing time.
出处 《工程科学学报》 EI CSCD 北大核心 2016年第1期118-127,共10页 Chinese Journal of Engineering
基金 国家自然科学基金钢铁联合基金资助项目(51174248)
关键词 高强度 带钢 轧制 表面质量 粗糙度 逐步回归分析 high strength steel strip steel rolling surface quality roughness stepwise regression analysis
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