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通过分析4300 mm轧板头部上下表面温差、轧制线高度、压下率大小、上下工作辊辊径配比、上下轧辊线速度配比等对钢板头部翘曲的影响,结合现场实际情况,找出了主要影响因素。在此基础上,通过上下表面温度控制、4300 mm轧机轧制线高度自动控制方法优化、轧制道次二级模型分配算法优化等方法 ,实现了轧制过程头部翘曲的优化控制,实际应用效果良好。
By analyzing the temperature difference between the top and bottom of the 4300 mm rolling plate head, the rolling line height, the size of the reduction rate, the ratio of the upper and lower work roll diameter, the ratio of the upper and lower roll line speed on the head of the warpage, combined with the actual situation , Identify the main influencing factors. On this basis, through the upper and lower surface temperature control, 4300 mm rolling mill line height automatic control method optimization, rolling pass secondary distribution model optimization algorithm, the realization of the rolling head warping optimization control, the actual Application effect is good.