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１ 前言传统四辊冷轧机由于其自身结构特点，不能比较理想地进行板形控制和获得理想的带钢断面（即板凸度），因此，人们努力寻找更能有效控制板形和板凸度控制的轧机，日本日立公司７０年代研制开发的ＨＣ轧机就是其中一种。ＨＣ轧机是在支承辊带阶梯的四辊轧机的基础上发展
1 Introduction Traditional four-roll cold rolling mill due to its own structural features, can not be more ideal shape control and access to the ideal strip section (ie, plate crown), therefore, people are trying to find more effective control of plate and plate convex Degree of control of the rolling mill, Hitachi, Japan 70 developed the HC mill is one of them. The HC mill is developed on the basis of a four-roll mill that supports the roller step