我厂粗轧原用Φ170×230毫米二辊轧机6台,分三组连机。4.5～5毫米铜带经三组轧机粗轧后进入中轧。由于原二辊轧机设备陈旧,性能差,弹跳性大,压下量小,速度慢,铜带平整性及厚度公差波动较大,又因三个机组要六次塞头,每个机组要4个人分别在轧机前后操作,不仅操作人员多,而且劳动 I used to plant crude Φ170 × 230 mm two-roll mill 6, divided into three groups with the machine. 4.5 ~ 5 mm copper strip after three groups of rough rolling mill into the rolling. As the original two-roll mill outdated equipment, poor performance, bounce, small reduction, slow speed, copper flatness and thickness tolerance fluctuations, and because of the three units to six plug, each unit to 4 Individuals were operating around the mill, not only operating personnel, but also labor