6063アルミニウム合金チャンネル材の回転引曲げ加工における変形特性 Deformation property of 6063 aluminum alloy channel in the rotary draw bending

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Extruded sections of aluminum have many advantages for lightweight structural members. A secondary forming process, such as bending, is required when these materials are used in these parts. In this paper, we investigated deformation property of tension-side open type 6063 aluminum alloy extruded sections in the rotary draw bending process. A6063S extruded sections having various thickness applied to the workpiece of this experiment. In the rotary draw bending process of these workpieces, undesirable phenomena such as flattening distortion, compression flange wrinkling and web wrinkling arise in the same way as square tube. Flattening distortion can be restrained principally by rigid mandrel and restriction guide for web displacement. Compression flange wrinkling can be restrained by additional axial tension. As a result of this study, it has been shown that applying these restriction tools and additional axial tension are very effective in preventing undesirable deformations. The bend degree <i>H</i><sub>0</sub>/<i>R</i><sub>0</sub> reaches 0.24 without any defects in this bending process, the workpiece of A6063S–O with thickness ratio <i>H</i><sub>0</sub>/<i>t</i><sub>0</sub> = 26.7.

収録刊行物

  • 軽金属  

    軽金属 49(9), 426-431, 1999-09 

    The Japan Institute of Light Metals

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各種コード

  • NII論文ID(NAID)
    10002763308
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    4858553
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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