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介绍了武钢单机架平整机延伸率的计算与测量方法,分析了其延伸率闭环控制系统,并结合实际探讨了造成延伸率波动的原因,提供了硬件及软件解决方案。平整机通过平整改善带钢的组织结构,消除带钢退火后的屈服平台,同时改善带钢的平直度和表面质量,以达到下一步加工的性能要求。平整轧制过程中,当来料有明显的板型缺陷时,必须设定一个合理延伸率,使带钢有适当的
The calculation and measuring method of the elongation of the single frame flattening machine in WISCO were introduced. The closed-loop control system of the elongation was analyzed. The causes of the fluctuation of the elongation were discussed in combination with the actual conditions. The hardware and software solutions were provided. The smoothing machine improves the structure of the strip steel by smoothing to eliminate the yield platform after strip annealing and improve the flatness and surface quality of the strip steel in order to meet the performance requirements of the next processing. During the smooth rolling process, when there is obvious slab-type defects in the incoming material, a reasonable extension rate must be set so that the strip has proper