高强DP钢的关键轧制技术开发与应用
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摘要
为了解决高强钢生产过程中的诸多问题,从热轧、冷轧制中存在的问题以及工序管理控制的角度出发,制定了先进高强钢关键轧制技术研究方案,最终解决了热轧带钢性能稳定性控制、带头上翘、冷轧带钢厚度波动、冷轧板形突变等问题。另外,在热轧轧制工艺、温度精准控制、冷轧轧制力模型优化,一级AGC厚度自动控制系统开发、全流程压下负荷分配优化等方面开展了大量研究工作,积极探索创新,开发了一系列先进高强钢轧制关键技术,并在产线生产中得到应用,取得良好效果。
In order to solve problems in the production process of high strength steel,the key rolling technology research scheme for the advanced high strength steel is formulated in the view of the problems existing in hot rolling and cold rolling and the whole process control.It mainly solves the problems of the stability control of the hot rolled strip,the head warping,the thickness fluctuation of the cold rolled strip and the sudden change of the cold rolling plate shape.In addition,in the hot rolling process,the precision control of the temperature,the optimization of the cold rolling force model,the development of the first grade AGC thickness automatic control system and the optimization of the load distribution in the whole process and so on,a lot of research work has been carried out.A series of advanced high-strength steel rolling technologies have been developed and applied in the production line,and good results have been achieved.
In order to solve problems in the production process of high strength steel,the key rolling technology research scheme for the advanced high strength steel is formulated in the view of the problems existing in hot rolling and cold rolling and the whole process control.It mainly solves the problems of the stability control of the hot rolled strip,the head warping,the thickness fluctuation of the cold rolled strip and the sudden change of the cold rolling plate shape.In addition,in the hot rolling process,the precision control of the temperature,the optimization of the cold rolling force model,the development of the first grade AGC thickness automatic control system and the optimization of the load distribution in the whole process and so on,a lot of research work has been carried out.A series of advanced high-strength steel rolling technologies have been developed and applied in the production line,and good results have been achieved.
引文
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[3]张秀芳,白云阶,张心白,等.热带边部减薄及凸度控制技术结合的探讨[J].轧钢,1999(1):40.
[4]许健勇.冷轧薄板的厚度与板形高精度控制技术[J].宝钢技术,2001(4):1.
[5]杨光辉,张杰,曹建国,等.轴向移位变凸度技术[M].北京:冶金工业出版社,2016.
[6]宋华,于晓光,王德斌,等.斜轧钢管矫正机压扁量的确定[J].钢管,1999,28(3):10.
[7]张清东,孙向明,白剑.六辊CVC轧机辊系变形的有限元分析[J].中国机械工程,2007,18(7):789.
[8]刘成松,叶飞.热处理过程中界面固相反应控制锰硅类氧化物变性的机理研究[J].金属学报,2017,53(1):10.
[9]惠亚军,赵征志,赵爱民,等.卷取温度对钛微合金化钢组织与性能的影响[J].材料科学与工艺,2014,22(2):81.
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