溶接学会論文集
Print ISSN : 0288-4771
ティグ溶接によるステンレス薄鋼板の高速片面溶接
安田 克彦神馬 敬恩沢 忠男
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1985 年 3 巻 3 号 p. 464-471

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The high speed one-side welding of thin stainless steel using TIG welding method is applied to the pipe production widely. In this paper, the bead formation and th e welding stability under above mentioned process are investigated.
The stability fo one-side welding of butt joint is pertinent to the undercut bead formation. Highly stable one-side welding without undercut is established by inhibiting metal flow toward the freezing side. For this purpose, it is more effective to hold forward torch angle and to use knife edge electrode dispersing the arc force. Especially, using knife edge electrode with forward torch angle, stable one-side welding of 0.2-0.4 mm thick plate under 15 m/min is possible easily.

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