本文总结了焊补球铁件铸造缺陷用的焊条制造方法、机械性能的要求。焊补时的操作要点,以及在球铁冷气焊补过程中出现的问题(如球化衰退问题、裂纹问题、缓冷的作用等)和解决办法。 This article summarizes the manufacturing methods and mechanical properties of welding electrodes used in the welding of cast iron balls. Welding operation time, as well as in the ductile iron welding process of the problems (such as the ball of the recession, crack problems, the role of slow cooling, etc.) and solutions.