稳定的电弧能够实现稳定的熔滴过渡,焊接过程飞溅小,焊缝成型美观,焊接接头质量好,所以提高电弧的稳定性是获得高质量焊缝的关键。根据不同的电弧焊方法介绍了焊接电弧稳定性的研究进展,分析了影响电弧稳定性的因素。 Stable arc to achieve a stable droplet transfer, welding spatter, weld appearance, good quality welded joints, so to improve the stability of the arc is the key to obtain high quality weld. According to different arc welding methods, the research progress of welding arc stability is introduced, and the factors affecting the arc stability are analyzed.