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氬弧焊未焊透防止措施：

1、按工藝要求修整鈍邊

1, according to the technological requirements trim blunt edge

2、按工藝要求選用焊接電流

2, according to the technological requirements to choose welding current

3、采取措施防止偏弧

3, take measures to prevent the partial arc

4、3-10mm焊件應留0.5-2mm的間隙，單面坡口大于90度

4, 3-10 mm weld should be 0.5 2 mm gap, single-sided groove is greater than 90 degrees

5、焊前徹底清理焊件及焊絲表面

5, clean up before welding welding and welding wire surface

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