四分割しわ抑え板を用いたアルミニウム板の摩擦援用深絞り加工

DOI Web Site 被引用文献6件

書誌事項

タイトル別名
  • Friction aided deep drawing of aluminum sheet using blank holder divided into four segments
  • 4 ブンカツ シワオサエ バン オ モチイタ アルミニウムバン ノ マサツ エンヨウ フカシボリ カコウ

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抄録

A new process of friction aided deep drawing has been developed. A metal blank holder was designed to be two layers: stationary layer with four planes of 5 degree taper angle and moving layer divided in to four tapered segments. Under appropriate blank holding force, these four segments can move radially to the die opening with a constant speed by using a specially designed compression tools. The main function of this divided blank holding device is adopting the frictional force between the blank and the blank holder to work in the useful drawing direction. Drawing deformation is efficiently performed by using an assistant metal punch. The drawing mechanism and the effects of drawing conditions are mainly investigated to characterize the merits and defects of the developed process. Deep cups of drawing ratio 2.87 have been produced with the present technique.

収録刊行物

  • 軽金属

    軽金属 60 (7), 315-320, 2010

    一般社団法人 軽金属学会

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