介绍了八钢冷轧薄板厂从日本引进的五连轧机二手设备,根据轧机牌坊的某些功能及结构的陈旧、老化问题,进行了合理的改造,如液压压下厚度自动控制,工作辊正负弯辊装置等,使此套轧机成为具有现代技术的冷联轧机。 This paper introduces the second-hand equipments of WuLian mill introduced from Japan by Japan’s eight-steel cold-rolled sheet mills. According to the obsolescence and aging of some functions and structure of mill torch, some reasonable remodeling is carried out, such as automatic thickness control of hydraulic pressure, Negative bending device, so that this set of rolling mill has become a cold rolling mill with modern technology.