棒状工具を用いた逐次バーリング方式の開発 : 大口径分岐管の逐次バーリング成形に関する研究 第1報 Development of Incremental Burring Process Using a Bar Tool : Study of Incremental Burring for Large Branched Pipe (1)

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抄録

Branched tubing is an important component of piping systems. Welding structure type branched tubing has the disadvantages of low productivity and low flexibility due to difficulty in automatic welding, low reliability and low quality assurance. In this study, a new incremental burring process for manufacturing branched tubing without welding is developed to enhance the formability, product quality and process flexibility of large branched tubing. A crucial process history using a bar tool is proposed and is based on the forming characteristics of conventional forming processes, the rigid plug pull-out and T-drill methods. The effectiveness and merit of the proposed incremental burring process history is confirmed through an experiment using A5083-O aluminum alloy tube of 100mm in diameter and 1.0mm in thickness. The experimental results imply that the new incremental burring process is suitable for achieving a better wall thickness distribution of branched parts, and that a bar tool is superior to a roller tool for roundness and a wide range of applicable tube sizes.

収録刊行物

  • 塑性と加工 = JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY  

    塑性と加工 = JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY 48(553), 125-129, 2007-02-25 

    The Japan Society for Technology of Plasticity

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各種コード

  • NII論文ID(NAID)
    10018291787
  • NII書誌ID(NCID)
    AN00135062
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00381586
  • NDL 記事登録ID
    8726315
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-218
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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