用CO_2气体保护焊方法采用适当焊接工艺及焊接材料，对压榨机辊轴轴颈进行了补焊修复实验研究。
The study and experiment on the repair of roller journal CO_2 shield welding with proper welding technics has been done by us.
窄间隙MIG焊(熔化极气体保护焊)是一种先进的高质量焊接方法。
Narrow gap MIG welding is an advanced welding technic with high quality.
利用该方法对V形坡口进行了金属熔化极气体保护电弧焊的跟踪试验，试验结果验证了所用方法的有效性。
Tracking experiment of MIG on V shape welding groove is made with this method, and the experiment result validates the validity of this method.
CO2气体保护焊是广泛应用在生产中的焊接方法，但因为焊接时飞溅过大影响了焊接质量。
CO2 gas shielded arc welding is widely used in production, but the spatter produced in the weld process badly affects the quality of weld.
双丝间接电弧气体保护焊是一种新的焊接方法。
Twin-wire indirect arc gas shielded welding is a new welding technology.
熔化极气体保护焊(GMAW)是焊接生产中常用的焊接方法之一。
Gas metal arc welding (GMAW) is the main welding method in welding production.
第二部分研究了在氩气作保护气体的情况下，用变极性TIG焊方法焊钢时，焊接电流、电压的变化情况和电弧形态的变化。
The second is, when steel is welded by means of VPTIG of argon, the changes in current, voltage and arc shape.
第三部分研究了在氦气作保护气体的情况下，用变极性TIG焊方法焊铝时，焊接电流、电弧电压的变化情况和电弧形态的变化。
The third is, when Al is welded by means of VPTIG method of helium, the changes in current, voltage and arc shape.
介绍近几年出现的一种新型的CO_2气体保护焊接方法——表面张力过渡焊在导管架建造中的应用情况。
The application of a new welding process shield by CO2 - STT (surface tension transfer) is introduced in construction of jacket.
本文针对IGBT弧焊逆变器，提出并实现了适于短路过渡CO_2气体保护焊的输出波形控制方法。
Base on IGBT inverter for arc welding, a new current wave form control method is put forward in this paper which is special for process of short circuit transfer for CO2 arc welding.
焊接方法为脉冲熔化极混合气体保护焊，焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
具有优秀的MAG（熔化极活性气体保护焊）焊接方法经验，能够针对不同材料使用不同焊接方法，熟悉FANUC焊接系统更佳；
Good experience of MAG can use these different welding methods for different material , family with FANUC robot system is better ;
具有优秀的MAG（熔化极活性气体保护焊）焊接方法经验，能够针对不同材料使用不同焊接方法，熟悉FANUC焊接系统更佳；
Good experience of MAG can use these different welding methods for different material , family with FANUC robot system is better ;
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