M&M材料力学カンファレンス
Online ISSN : 2424-2845
セッションID: OS1403
会議情報
OS1403 平座金を用いたボルト締結体座面の弾塑性応力解析と変形について
両角 由貴夫奥村 雅彦沢 俊行大宮 祐也
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会議録・要旨集 フリー

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抄録
The effect of the plain washer's thickness on the contact stress distributions and the plastic displacements (permanent set) at the bearing surfaces are analyzed using elasto-plastic FEM analyses in case of the initial bolt clamping state. It is found that the contact stress and the plastic deformation decrease as the thickness of washer increases. It is shown that the plastic displacements at the bearing surfaces in case of hexagon bolts with flanges are smaller than in case of hexagon head bolts. Also even if the average contact stress is the same at the bearing surface, the plastic displacements are smaller in case of smaller bolt holes of clamped parts.
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© 2012 一般社団法人 日本機械学会
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