Based on the theory of Linear Power Input ( LPI ), effect by the SAW process parameters on the weld seam dimensions as melting depth, residual height and melting width are discussed.

• 在比线能量概念的基础上,探讨了直缝埋弧焊焊接规范对焊缝熔深、余高及熔宽的影响。研究表明,焊接比线能量与熔深呈线性关系变化;