三辊粗轧机大压下尝试

Try-production of heavy reduction on 3-h roughing mill

南昌钢铁公司小型厂为实现一火成材 ,增设了Φ5 40mm粗轧机并采用了大压下方案。介绍了粗轧工艺参数设计 ,孔型系统以及取得的较好效果。

In order to realize the roll in one heat in Small Section Plant of Nanchang Iron and Steel Co ,the Φ540mm roughing was added and the heavy reduction was applied The processing parameters design and pass system were introduced as well as the obtained good effects