In the MIG with filler wire. With the increase of wire feed speed, transition coefficient of Zn trend to decrease.
MIG填丝焊接过程中，随着填入锡黄铜焊丝速度的加快，锌元素的过渡系数有减小的趋势。
It is shown that as feed force is a constant, the damage thickness decreases slightly with the increase of wire speed.
同时分析得出，在恒压力进给条件下，随着线锯速度的增加，损伤层厚度略有减小。
Two groups of matching relation of the weld speed and the wire feed rate were found in a condition of invariable laser power and focus position.
前者试验获得了一定激光功率和离焦量条件下两组焊接速度和送丝速度的匹配关系，并发现填充焊丝的加入对焊缝咬边现象确有改善；
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