摘要
焊补是修复铸钢件缺陷最常用的方法之一。铸钢件的裂纹、冷隔、缩孔、气孔、砂眼等铸造缺陷均可进行焊补,如果焊补工艺正确,即可使焊补部位获得与铸件本体相同或相近的组织和性能,并满足铸件的技术性能要求。介绍了铸钢件的焊补技术和注意事项。
Welding is to repair defects in steel casting one of the most commonly used method. Cast Steel crack, cold shut, stuinkage, porosity, sand holes and other defects can be cast welding repair, welding repair process if correct, you can make up part of welding and casting itself was the same as or similar organization and performance, and meet technical performance requirements of the casting, steel casting this paper welding repair techniques and precautions.
出处
《技术与市场》
2013年第3期74-75,共2页
Technology and Market
关键词
焊补
可焊性
碳当量
坡口
预热
welding repair
the weldability
the carbon equivalent
groove
warm