This article introduces the failure situation, failure analysis, failure inspection and repairing on the basis of examples, also it illuminates the refitting for AC arc welding machines.
列举检修实例，详细叙述了交流弧焊机的故障现象、故障分析、故障检查与修理；介绍了交流弧焊机的改装。
2
Particularly, the effects of clement failure and mutual coupling on the performance of an antenna arc dis - cussed.
还专门讨论了阵元失效和互耦对天线性能的影响。
3
Analysis results indicate that the arc transition area between rod and head is easy to produce stress concentration, which results in earlier fatigue failure.