Study on Bending Fatigue Strength of Helical Gears : 1st Report, Effect of Helix Angle on Bending Fatigue Strength
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概要
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This paper presents an investigation into the effect of helix angle on the root fillet stresses and the bending fatigue strength of helical gear teeth with a comparatively small face width. The root fillet stresses were investigated based on the principle of superposition and the moment-image method and compared with the results of strain-gage investigation. The maximum root stress occurs under the condition that the meshing point in the central transverse plane coincides with the outer point of single tooth pair contact for any degree of helix angle (β_0 <__= 30°). Furthermore the effect of helix angle on bending fatigue strength was also investigated using the bending fatigue testing machine for cylindrical gears, which has been developed by the authors. It was found that the bending fatigue limit loads (circumferential loads) for helical gears are almost the same regardless of degree of helix angle.
- 一般社団法人日本機械学会の論文
著者
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Shimatomi Yasuji
Faculty Of Engineering Tottori University
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Oda Satoshi
Faculty Of Engineering Kyoto University
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