The hotwelding repairing method of defects of heavy cast iron guides was described in de-tail.
详细叙述了大型铸铁导轨缺陷的热焊补方法，从不同角度考虑选取了铸件的焊补工艺。
2
The hotwelding repairing method of defects of heavy cast iron guides was described in de-tail. Considering from different angles, the welding process was chosen.
详细叙述了大型铸铁导轨缺陷的热焊补方法，从不同角度考虑选取了铸件的焊补工艺。
3
The results show that the hotwelding process can efficiently decline the welding residual stress, and the higher the welding temperature, the better the effect of declining residual stress.