摘要
详细阐述了埋弧自动焊原理 ,介绍埋弧自动焊工艺 ,解决了埋弧自动焊焊接压力容器最后一条内环焊缝的难题 ,拓展了埋弧自动焊的应用范围 ,与手动电弧焊相比 。
It gave minute description of the operating principle of submerged arc welding, The technology of SAW was introduced. The difficult problem which is how to process the last daisy chain weld seam in pressure vessel was solved with the applied scope inner of SAW was developed. Submerged arc welding has many advantages than MMAW