直线型焊接机器人厂家？|扬帆数控

Common defects in manual arc welding are introduced:

1、咬边 是焊缝边沿低于母材表面的凹槽，在角焊缝和多道焊缝中，咬边旺旺在焊缝的一侧形成，咬边深度可能在0.3-5mm之间变动。

1, the undercut is lower than the edge weld groove surface of base material, the fillet weld and the multi pass weld undercut, Wangwang formed in the seam side, the undercut depth may vary between 0.3-5mm.

咬边是由于电弧将焊件边沿溶化后，没有得到金属的补充造成的，过深的咬边将减弱焊接接头的强度。

Because the edge of the edge of the weld is melted and the metal is not added, the undercut will weaken the strength of the welded joint.

在咬边处将引起应力集中，有可能导致结构的破坏，咬边主要是焊接电流太大和运条不当造成的，对于角焊，则是由于焊条角度或电弧长度不适当而造成的。

The undercut will cause stress concentration may lead to structural damage, the undercut welding current is too large and is mainly caused by improper operation, the angle welding is due to electrode angle or arc length caused by inappropriate.

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