So the heat input should be kept low to weld galvanization steel sheet. In this paper the MIG welding machine is adopted with special sold…
因此，焊接镀锌板一定要减少热输入量，采用特殊的钎焊材料和性能优良的MIG焊机进行焊接。
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。
When electrode negative ratio is zero, which is using MIG welding with DC ami welding wire being positive polarity, weld penetration is maximum , wire melting speed and deposition rate are minimum;
当负极性比率等于零即直流且焊丝为正极性的MIG焊时，其焊缝熔深最大，焊丝熔化系数最小，熔敷速度最小；
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