厚壁容器的单面深槽打底焊

Indirect Quirk Backing Weld of Thick-walled Vessel

讨论了窄间隙深槽打底焊焊接方法和工艺,认为用手工氩弧焊进行单面深槽打底焊效果最好。同时设计出最佳坡口形式,改进了焊枪结构,确定了焊接规范。

Welding methods and technology of narrow gap quirk backing weld were discussed.Indirect quirk backing weld using manual hydrogen arc welding is considered as the best result.The best groove condition was designed.Gun structure was improved.Weldtng standard was determined.