金型設計におけるキャビティの最適レイアウト構想図の自動生成　（第１報）　スリープレートのファミリーモールド

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タイトル別名
  • Method of determining optimum conceptual layout drawings of cavities in mold design. (1st report). Three-plate family molds.
  • カナガタ セッケイ ニ オケル キャビティ ノ サイテキ レイアウト コウソウ
  • Three-Plate Family Molds
  • スリープレートのファミリーモールド

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抄録

This paper deals with a new method to develop optimum conceptual layout drawings of cavities for three-plate family molds. First, it summarizes the necessary knowledge for working out conceptual layout drawings of mold cavities based on the data gathered from interviews with mold designers. Then the paper proposes a new method of determining an optimum conceptual layout drawing of cavities based on shapes of cavities represented by a two-dimensional geometric model, shapes of devices for processing undercuts represented by the model, and the obtained knowledge. This method first decides on a desirable number of runners by dividing multiple cavities into proper groups and then finds the optimum conceptual layout drawing of the cavities as a solution of a nonlinear programming problem. For this purpose, an optimum solution search algorithm using the instantaneous center of rotation was developed to solve the nonlinear programming problem efficiently. Finally, the paper describes successful efforts to verify the usefulness of the proposed method through a case study.

収録刊行物

  • 精密工学会誌

    精密工学会誌 57 (5), 869-874, 1991

    公益社団法人 精密工学会

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