本发明提供一种1380MPa级贝氏体钢轨的闪光焊接工艺。通过本发明的闪光焊接工艺,实现了连续15个接头连续落锤试验成功,使焊接缺陷得到有效控制,焊接接头各项性能满足上道铺设的要求。
The invention provides a flash welding process for 1380MPa bainite rail. Through the flash welding process of the invention, the continuous drop weight test of 15 joints is successful, the welding defects are effectively controlled, and the properties of the welded joints meet the requirements of upper laying.