Comparison of Wettability of Beads in MIG Welding Process with Duplex Current Feeding and Conventional MIG Welding Process

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  • SETO Masaru
    System Technology Development Center, Corporate technology Division, Kawasaki Heavy Industries,Ltd.
  • AOKI Atsuhito
    System Technology Development Center, Corporate technology Division, Kawasaki Heavy Industries,Ltd.
  • TASHIRO Shinichi
    Joining and welding research Institute, Osaka University
  • TANAKA Manabu
    Joining and welding research Institute, Osaka University

Bibliographic Information

Other Title
  • 二段給電式ミグ溶接プロセスと従来型ミグ溶接プロセスにおけるビードのぬれ性の比較検討
  • ニダン キュウデンシキ ミグ ヨウセツ プロセス ト ジュウライ カタ ミグ ヨウセツ プロセス ニ オケル ビード ノ ヌレショウ ノ ヒカク ケントウ

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Abstract

In order to perform stable pure argon MIG welding, duplex current feeding MIG welding has been developed. In the previous experimental study, higher droplet temperature and deeper weld penetration were obtained in the duplex current feeding MIG welding compared with those of the conventional MIG welding. However, the similar effects are considered to be realized also by the conventional MIG welding with short wire extension through increase in welding current. In this paper, basic characteristics of the duplex current feeding MIG welding were compared with those of the conventional MIG welding with the short wire extension. Consequently, it was found that the duplex current feeding MIG welding achieved the deeper weld penetration without an undercut unlike in the case of the conventional MIG welding with the short wire extension.

Journal

  • Journal of Smart Processing

    Journal of Smart Processing 6 (1), 28-32, 2017

    Smart Processing Society for Materials, Environment & Energy (High Temperature Society of Japan)

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