In this article,after the development actuality of droplet control in GMAW is introduced,a new idea to control the shape and size of droplet is brought forward.

• 在介绍熔化极气体保护电弧焊熔滴控制发展现状的基础上,提出了对熔滴形状和尺寸进行控制的新思想,并详细分析了其实现的关键技术和在现有技术条件下的实现途径。