タンデムパス伸線条件が<br>Niめっき鋼線の表面光沢に及ぼす影響

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タイトル別名
  • Effects of Tandem Pass Drawing Conditions<br>on Surface Gloss of Ni-plated Steel Wire
  • タンデムパスシンセン ジョウケン ガ Niメッキ コウセン ノ ヒョウメン コウタク ニ オヨボス エイキョウ

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抄録

Ni-plated steel wire used for springs in electrical appliances and other devices has good corrosion resistance. It is demanded as an alternative to stainless steel wire in a mildly corrosive environment. However, surface gloss is required for this material. To achieve surface gloss in wire drawing, die wear can be a problem. It is common knowledge that drawing with back tension is effective in improving die wear. Tandem pass drawing, the method of drawing continuously through two dies, is expected to improve die wear because of the back tension provided by the drawing force in the first die. There have been several reports on wire diameter in the tandem pass drawing, but only a few reports on surface gloss. This research has been conducted to investigate the relationship between tandem pass drawing conditions and surface gloss. In addition, friction coefficients and die pressures that affect die lifetime have been calculated by the finite element method. It is found that surface gloss, as-processed by single pass drawing, can be attained by tandem pass drawing with a low maximum shear stress at the meeting point.

収録刊行物

  • 塑性と加工

    塑性と加工 52 (602), 365-369, 2011

    一般社団法人 日本塑性加工学会

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