This paper interprets the short-circuit arc welding process and the process stability.The evaluation methods and criteria for the short-circuit arc welding process are introduced and discussed.

• 简述了短路电弧焊接的物理过程及过程稳定性概念，介绍了有关短路焊接过程稳定性各种评价方法及相应准则，最后对其进行了必要的讨论。