FEM成形解析による薄鋼板の絞り成形性向上に有効なプレスモーション制御の予測

書誌事項

タイトル別名
  • Prediction of Effective Press Motion Control to Improve Deep-Drawability of Steel Sheets with FE Forming Analysis
  • FEM セイケイ カイセキ ニ ヨル ウスコウハン ノ シボリ セイケイ セイコウ ジョウ ニ ユウコウ ナ プレスモーション セイギョ ノ ヨソク

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抄録

A nonlinear friction coefficient model was applied to finite element (FE) forming analysis in order to predict the formability in stamping steel sheets by press motion control with a servo press. This nonlinear friction coefficient model considers the effects of contact pressure, sliding velocity and sliding length on the coefficient of friction between steel sheets and dies in stamping. The results of cup drawing experiments showed that the formability in stamping by press motion control was predicted accurately by the developed method of FE forming analysis. A suitable press stroke position for applying press motion control to cup drawing was calculated to improve the wall thickness reduction at the punch shoulder portion effectively. By applying the developed method to the prediction of the effective press motion, motion control with a servo press can be efficiently applied in mass production systems such as automotive stamping lines.

収録刊行物

  • 塑性と加工

    塑性と加工 55 (636), 34-38, 2014

    一般社団法人 日本塑性加工学会

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