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Development of Automatic Control System and Mathematic Model of Meishan 1420mm PL-TCM

机译:梅山1420mm PL-TCM自动控制系统的开发及数学模型

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Baosteel Meishan 1420mm PL-TCM mainly produces special thin cold rolled tin strip,built into operation on February 1,2009.Through domestic independent integration and innovation,design and commissioning of complete sets of electrical,instrument and computer (EIC) control system have been completed.Research and development of key control technologies include: 1) new shape control technology of the hot rolled strip cross sectional profile measurement based feed-forward shape control and the integration of rolling materials,process and control; 2) high precision dynamic automatic thickness control technology of low speed rolling ; 3) stable operation and high reliability process control technology of unsteady rolling processes such as starting,accelerating,decelerating,and weld-point passing; 4) high precision mathematical model of rolling process parameters optimizing preset.At present,main production data and quality level of products are as follows: exit strip thickness 0.17-2.0mm; exit strip maximum speed 1700m/min; 0.18mm specifications thickness deviation of ±1% up to 96.4%,all specifications thickness deviation of ±2% of strip tail length less than 7m; 0.23mm following specifications shape deviation of 6I up to 95.5%,average wave height 2.56mm.
机译:宝钢梅山1420mm pl-tcm主要生产特殊的薄冷轧锡条,2月1日营造出来,国内独立集成和创新,设计和调试完整的电气,仪器和计算机(EIC)控制系统一直在完工。关键控制技术的研究和开发包括:1)新型形状控制技术的热轧带材横断面轮廓测量的馈电形状控制和轧制材料的整合,工艺和控制; 2)高精度动态自动厚度控制技术低速滚动; 3)稳定的操作和高可靠性过程控制技术的不稳定滚动过程,如起始,加速,减速和焊点通过; 4)高精度数学模型的轧制工艺参数优化预设。目前,主要生产数据和产品质量水平如下:出口条厚度0.17-2.0mm;出口条最大速度1700m / min; 0.18mm规格厚度偏差±1%达96.4%,所有规格厚度偏差均为条带尾长的±2%小于7m; 0.23mm以下规格的形状偏差6i,高达95.5%,平均波高2.56mm。

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