本文精确分析CO 2焊飞溅产生的机理，在此基础上探讨了短路过渡过程的控制策略。
In this paper, basing on analyzing the reasons for splashing of CO2 welding the control project of short circuiting transfer is probing.
分析了短路液桥的重力、 表面张力、电磁收缩力、气体爆破力、粘滞力的特点及其对短路过渡过程的影响。
This paper analyzes that the characteristics of several forces such as surface tension, electromagnetic pinch, gravitation and viscosity etc. act on short circuit liquid bridge.
试验结果表明，通过对短路过渡过程中各个不同阶段的输入能量的控制，可提高焊接过程的稳定性，实现CO2焊的高速化。
The results show that the welding stability can be improved by controlling the input energy in each period to achieve high-speed CO2 arc welding.
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