Elasto-plastic Analysis on the Press Working with Increasing Thickness of Plate. A FEM Simulation of the Conical Shape Molding.

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  • プレス加工に係わる増肉成形過程の弾塑性解析　ＦＥＭによる円すい形状の成形シミュレーション
  • プレス カコウ ニ カカワル ゾウニク セイケイ カテイ ノ ダンソセイ カイ

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Abstract

A new press working with increasing thickness for automobile parts was examined using elastoplastic FEM analysis. The main results were obtained as follows : (1) The mechanism of increasing thickness was determined by the FEM analysis parameter of strain. That is, the effect of increasing thickness of plate was achieved by increasing the strain in the circumferential direction. (2) The suitable press working of a piston-pulley was examined by means of FEM analysis. It was suggested the forming with increasing thickness. (3) A close agreement between the results of a proof test and analytical results was obtained. So it was confirmed that the new press working with increasing thickness of plate was useful in practice.

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