S111031 Influence of Variability in Helix Deviation between Gear Teeth on Tooth Surface Strength of Transmission Gears

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  • S111031 各歯の歯すじ精度ばらつきがトランスミッション歯車の歯面強度に及ぼす影響([S11103]伝動装置の基礎と応用(3))

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Gear endurance tests were carried out using carburized gears with uneven helix deviation between the teeth. The author introduced here a new parameter, based on Hertzian pressure on the tooth surface calculated from cumulative fatigue damage rule, to evaluate the influence of the variability in helix deviation on the tooth surface strength. Key Words : Gear, Tooth surface strength, Pitting, Spalling, Helix deviation, Hertzian pressure, Miner's rule

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