棒状工具を用いた逐次バーリング方式の開発

DOI Web Site 被引用文献2件 参考文献8件

書誌事項

タイトル別名
  • Development of Incremental Burring Process Using a Bar Tool
  • ボウジョウ コウグ オ モチイタ チクジ バーリング ホウシキ ノ カイハツ ダイコウケイ ブンキカン ノ チクジ バーリング セイケイ ニ カンスル ケンキュウ ダイ 1ポウ
  • —Study of Incremental Burring for Large Branched Pipe (1) —
  • —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 —

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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

    塑性と加工 48 (553), 125-129, 2007

    一般社団法人 日本塑性加工学会

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