The invention adopts a pass-free flat roller to replace a rough rolling pass roller of the prior art and realizes non-groove rolling of the high speed wire rod roughingmillgroup.
本发明用无孔 型平轧辊代替现有技术的粗轧孔型轧辊实现高速线材粗轧机组无槽轧制。
2
Roughing setting up mathematic model is adopted in the width control of 1780 mm hot strip mill of Anshan Iron and Steel Group Corporation.