∠90角钢腿短原因分析及改进措施

Analyse the reason for ∠90 angle steel with short wing and the improving method

介绍了∠ 90角钢腿短原因以及粗轧孔型设计方面存在的问题 ,通过对粗轧孔型系统的改进 ,解决了∠ 90角钢生产过程中腿短问题 。

Introduce the reason for ∠90 angle steel with short wing and the exsiting problem in roughing pass, designing , solve the problem of ∠90 angle steel with short wing by improving roughing pass system.