水カーテン式水中炭酸ガスアーク溶接法の研究

DOI

書誌事項

タイトル別名
  • Studies on the underwater CO<SUB>2</SUB> arc Welding method with a curtain nozzle
  • Butt Welding of mild steel using solid wire
  • ソリッドワイヤによる軟鋼の突合せ溶接

抄録

CO2 arc welding which is employed in the wet underwater welding has the following advantages.<BR>(1) The process is simple to operate.<BR>(2) In the safety aspects, the lower open voltage characteristics of arc welder is particulary helpful to avoid electric shock.<BR>(3) Welds can be made in all positions.<BR>But, in conventional wet underwater CO2 arc welding, nozzle-base metal distance was not more than 4 mm, therefore the welding operation was very difficult.<BR>We studied the following system that was called curtain water type underwater CO2 arc welding aimed to improve this problem. In the dual flow system which we used, curtain water was introduced from the outer nozzle. By this system we could take nozzle-base metal distance about two times longer than that for conventional shielding system. As the results of radiographic examination, no difficulty was found to obtain the welds without blowholes. At the first step to develop this process, we report experimental results of down hand position butt welding for mild steel.

収録刊行物

  • 溶接学会誌

    溶接学会誌 42 (9), 897-906, 1973

    一般社団法人 溶接学会

詳細情報

  • CRID
    1390001206502028032
  • NII論文ID
    130003763258
  • DOI
    10.2207/qjjws1943.42.897
  • ISSN
    18837204
    00214787
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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