摘要
唐山钢铁公司第二轧钢厂的650轧机机架在使用中出现裂纹,经焊补后再次开裂。本文就裂纹产生的原因和如何正确安排焊补工艺进行讨论。
In No. 2 Rolling Mill of Tangshan Iron and Steel Company, Cracking of the housing of rolling mill 650 occurs again after repair welding the cracks. The causes of resulting in the cracks are discussed and the proper techniques of repair welding the cracks are presented in this paper.
关键词
轧机
机架
裂纹
焊补
工艺
housing of rolling mill crack repair welding