Effects of Key on Bending Fatigue Breakage of Thin-Rimmed Spur Gear
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概要
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This paper presents a study on the effects of key on bending fatigue breakage of a thin-rimmed spur gear. A stress analysis by means of the two-dimensional finite element method (FEM) and a bending fatigue test for thin-rimmed spur gear with keyway were carried out. The effects of rim thickness and the position of keyway on the root stresses, the stresses of keyway and the position of the fatigue crack initiation were investigated. The position of keyway should be taken such that the center line of keyway coincides with that of gear tooth. It might be sufficient to take 3m (m : module) as rim thickness. Press-fitting a gear on a shaft yields a large tensile stress at the fillets of keyway.
- 一般社団法人日本機械学会の論文
著者
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Miyachika Kouitsu
Faculty Of Engineering Tottori University
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Oda Satoshi
Faculty Of Engineering Kyoto University
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