冷轧板形目标曲线设定模型的研究与应用

来源期刊：钢铁2010年第4期

论文作者：王鹏飞 张殿华 刘佳伟 王军生 俞小峰

文章页码：50 - 55

关键词：板形； 目标曲线； 补偿曲线； 板凸度； 平直度； 冷轧

Key words：strip shape； target curve； correction curve； strip convexity； flatness； cold rolling

摘    要：为了提高冷轧带钢的板形质量,在1250单机架6辊可逆冷轧机的板形控制系统改造中,根据带材失稳模型判据制订了基本板形目标曲线模型。为了消除了生产中温度、卷形和设备安装误差等对板形测量的不利影响,根据设备运行情况以及轧制工艺制订了一系列补偿曲线。设定了手动调节板形的附加曲线,提高了实际生产中板形控制的灵活性。板形目标曲线设定模型投入使用后,经现场应用表明,在控制带钢凸度的同时保证了板形的控制效果,满足了后续工序对带钢凸度及板形的要求。冷轧带钢成品具有较高的板形精度,完全满足高精度板形控制的要求。

Abstract: In order to improve the flatness of cold rolled strips,a basic flatness target curve was set dependent on the flatness discrimination model in revamp of the 1250 6-H reversing cold mill.For purpose of avoiding influence coming from temperature,coil shape as well as geometric error of winder,series of correction curves were set in accordance with the rolling process and equipment condition in site.At the same time,additional manual curves were set which brought flexibility to flatness control.The applications show that the model of flatness target curve is capable of flatness controlled and is significant to obtain good flatness.Strip convexity is effectively controlled and is satisfying to following processing.