全面系统地介绍了脉冲熔化极气体保护焊的各种控制方式，并明确地把它们分为两类：参数控制和熔滴过渡精确控制。
This article introduces all kind of control method of pulse melting pole in gas protection welding, and divided them into two kind: parameter control and melt dripping transition accurate control.
为此，本论文研究了焊丝熔化速度的影响因素，并以高速摄像为手段研究了旋转射流过渡临界电流值的影响因素。
The influencing factors of wire molten rates are studied, and the critical current of rotating spray transfer mode is also studied by using high-speed motion analyzer.
熔化极气体保护焊熔滴过渡数值模拟作为焊接学科的前沿领域和研究的热点之一，近年来已经取得了较大的进展。
The technology of numerical simulation for metal transfer in GMAW is one of the front and research hotspot in the weld filed , which has achieved great progress in recent years.
通过试验在特征谱线下，采集了大量熔化极气体保护焊五种熔滴过渡的光谱信号波形。
A lot of spectrum of the metal transfer mode of metal gas are welding have been acquired in characteristic spectrum by testing.
结果表明：只有微分干涉相衬法光学金相才清晰地显示了熔合区扩散过渡层存在白亮、光滑、无胞状柱状凝固特征的“白亮带”和具有胞状凝固特征的后续熔化滞留层。
The results show that "the bright band" and "follow-up melted stagnant layer" are clearly observed only with differential interference contrast and has bright and no cellar-columnar.
本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式，试验是在平焊和仰焊位置进行的。
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph.
镀铝钢板焊接采用熔化极氢弧焊短路过渡方法，使其焊接接头的质量和耐蚀性都得到了提高。
The short circuit transfer of GMAW with argon shieding is used to weld aluminium-plated steel sheets or plates. In the way of this, both joint quality and corrosion resistance can be increased.
主要介绍了目前等离子—熔化极气体保护焊在采用不同的电极连接形式下，不同的电弧形态和熔滴过渡方式，以及电弧成分组成和温度分布；
This paper mainly introduces the different arc shapes, metal transfer modes, compositions of arc and temperature distribution in plasma-GMAW with different electrode connection forms at present;
熔化极气体保护焊熔滴过渡检测具有重要的实际意义。
Detecting of metal transfer in GMAW has great practical significance.
关于钢焊丝熔化极气电焊时从颗粒状过渡突然转变为射流过渡的机构，至今存在分歧的观点。
There is disagreement on the mechanism of the abrupt transition from globular to streaming mode of metal transfer in steel wire MIG welding.
关于钢焊丝熔化极气电焊时从颗粒状过渡突然转变为射流过渡的机构，至今存在分歧的观点。
There is disagreement on the mechanism of the abrupt transition from globular to streaming mode of metal transfer in steel wire MIG welding.
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