section roll

Through optimizing roller shape of hot rolling mill the bright brand on hot r.

通过优化热轧轧辊辊型和其他工艺制度,成功地解决了中薄板坯连铸连轧生产线上热轧带钢亮带问题,同时避免冷轧带钢凸棱缺陷。

Cr3 steel rollers are widely used presently;the local welding repair has important significance.

研究了不同预热温度和焊后缓冷对Cr3钢轧辊局部堆焊修复质量的影响。