測地線-面内ひずみ法による鞍形レーザフォーミングに及ぼす加熱方向の影響 Effect of Heating Direction on Saddle Laser Forming Based on Geodesic In-plane Strain Method

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This report deals with effects of heating direction on laser forming which is used to form curved surface with thin plate. When we conduct laser forming to create suitable results, it is one of some important problems where and how much we should put in-plane strain into a thin plate. Some researchers have presented a new development method with curvature lines as a solution to that problem. Curvature line can be obtained as a result to combine primary curvature directions. In-plane strain is calculated from distance change of these lines. Heating direction is chosen parallel to curvature line because in-plane strain is put as transverse shrinkage caused by heating. In this case, heating direction is fixed on the plate, not changeable, even if side lines of a product is changed, because curvature line direction is unique for the curved surface.<br>Geodesic in-plane method we have proposed can show in-plane strain for every direction, so that we can select heating direction as you want to do.<br>In this report, we study experimentally the effects of heating direction on laser forming of saddle curved surface for a situation where we chose heating direction freely based on the geodesic in-plane method. As a result, we learn following three points, saddle surface can be created along another heating direction of curvature line, bend effect exists because of transverse shrinkage, and symmetrical heating line set can avoid curved surface shift.

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  • 溶接学会論文集 : quarterly journal of the Japan Welding Society

    溶接学会論文集 : quarterly journal of the Japan Welding Society 29(3), 210-217, 2011-12-31

    一般社団法人 溶接学会

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各種コード

  • NII論文ID(NAID)
    10030150951
  • NII書誌ID(NCID)
    AN1005067X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    02884771
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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