针对某厂热轧带钢生产过程中存在边部起皮缺陷的重难点问题,从热轧工艺角度分析了加热炉炉体结构和加热温度、粗轧负荷分配、立辊侧压等对边部起皮的影响。优化热轧工艺后,带钢起皮缺陷发生率大大降低,确保了带钢表面质量。
According to peeling flaw on the edge of hot strip,factors to cause the problem are analyzed in this paper.It includes the structure of heating-furnace body,heating temperature,load distribution of roughing mill and the side pressure of vertical roll and so on.Owing to the optimization of hot rolling technology,the peeling flaw rate of strip goes down and the surface quality of strip gets better.
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