This article analyzes the weld defects such as:blowhole,slag inclusion,incompletely fille d groove,overlap,lack of fusion,undercut ,over-sized leg,also it puts forw ard the solution.

• 对立角焊中气孔、夹渣、未焊透、焊缝余高凸起、焊波脱节、咬边、焊脚尺寸过大等缺陷产生的原因进行了分析,并提出了有效的解决方法。