A commonly observed welding defect that characteristically occurs at high speeds in the periodic undulation of the weld appreaance,was known as the humping weld.

• 在高速焊接过程中,当焊接速度达到临界值时通常会出现焊道表面形状的周期性波动这一显著特征缺陷,即所谓的驼峰焊道。