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针对中型轧机轧制偏大型材受设备能力、轧辊强度及坯料尺寸等因素制约的难题 ,通过改进孔型系统 ,采用较小断面原料 ,成功试轧出 14# 角钢和 2 0 # 槽钢。
Aiming at the difficult problem that the medium-sized mill rolling over large profile material is restricted by equipment capability, roll strength and blank size, the 14 # angle steel and 20 # channel steel were successfully tested by improving the hole system and adopting the smaller section raw material.