螺柱焊機焊接時未焊透產生的原因

The causes of lack of penetration

1、坡口、間隙太小

1, groove, the gap is too small

2、焊件表面清理不徹底

2, welding parts surface cleaning not thoroughly

3、鈍邊過大

3, blunt edge is too large

4、焊接電流過小

4, the welding current is too small

5、焊接電弧偏向一側

5, the welding arc to one side

6、電弧過長或者過短

6, arc too long or too short

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