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本文通过对风机叶轮角焊缝产生的焊趾裂纹从多方面分析着手,逐步排除不可能的影响条件,根据高强钢焊接产生延迟裂纹的三个相关因素,最后得出了结论。
In this paper, the weld toe crack produced by fillet welds of fan blades is analyzed from many aspects, and the impossible influence condition is gradually eliminated. According to the three related factors of delayed crack caused by high strength steel welding, the conclusion is reached finally.