When the wire being stopping, the welding power outputs high level voltage with wire burning back and forming a liquid weld metal drop.
开始送丝后，焊接电源输出低电平，熔滴依靠送丝动量向熔池过渡。
Drop transfer in the process of MIG welding is very complicated and quality of weld line is easily impacted by welding parameters coupled with each other.
MIG焊过程熔滴过渡过程复杂，影响焊接质量的参数多，相互间耦合性强。
It has excellent impact toughness on gap and crack resistance. It's used for welding key structure such as pressure containers, drop pipes of hydroelectric station, Bridges, ocean projects, etc.
有良好的低温冲击韧性和抗裂性能，焊接压力容器、水电站下降管、桥梁、海洋工程等重要结构。
Tube bundle fix the drooped structures through welding for both ends of upper header and make fly ash drop by rapping the end plate of lower header.
锅炉中的管束是上部集箱的两端通过焊接固定垂下的结构，通过锤打下部集箱的端板，振落飞灰。
The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接U75V钢轨。
Thyristor inverter welding power source with single-conduction high current, high breakdown voltage, low positive voltage drop and the high over load etc.
晶闸管逆变弧焊电源具有单管导通电流大、耐压高、正向压降低、过载能力强等特点，但在使用过程中会出现各种故障。
Thyristor inverter welding power source with single-conduction high current, high breakdown voltage, low positive voltage drop and the high over load etc.
晶闸管逆变弧焊电源具有单管导通电流大、耐压高、正向压降低、过载能力强等特点，但在使用过程中会出现各种故障。
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