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性能波动大的高强钢进入冷连轧时将产生较大的厚差,部分钢种带钢头尾厚度超差严重,严重影响冷轧产品的成材率。在深入研究高强钢AGC厚度控制系统的特点及功能的基础上,提出了高强钢性能前馈厚度控制技术方案。通过高强钢新型AGC性能前馈厚度控制系统开发和试验,新增性能前馈应用程序软件并在现场持续稳定运行,高强钢带钢头尾厚差超2%的长度减少,取得了良好效果。
High-strength steel with large fluctuation in performance will have a large thickness difference when it enters cold-rolling, and the over-thickness of the tail-end thickness of some steel strips is serious, which will seriously affect the yield of cold-rolled products. On the basis of deeply studying the characteristics and functions of the AGC thickness control system of high strength steel, a scheme of feedforward thickness control of high strength steel is put forward. Through the development and test of new AGC performance feed-forward thickness control system for high-strength steel, new performance feed-forward application software was added and continued to run steadily in the field. The length difference of head and tail thickness difference of high strength steel strip decreased by 2%, and the good result was achieved.