Because it USES serial double arc type, the welding speed of welding stainless pipe has been increased.
由于采用串列电弧的形式，使不锈钢焊管的焊速能明显提高。
The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
In the welding of bellow, the quality and speed of welding are affected by the skill and emotion of workers. For sake of this, the paper proposed an automatic welding-machine for bellow.
针对波纹管与焊接管手工焊接过程中，焊接质量和焊接速度受操作人员的技术水平和工作情绪影响较大的问题，研制开发了一种自动焊接系统。
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