はすば歯車の振動強度双方最適化歯面設計法 : 第3報,歯車諸元や材料強度,歯車支持剛性の影響(機械要素,滑潤,工作,生産管理など)

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Design parameters such as gear dimensions, material, and support stiffness of gears are usually fixed before tooth flank form design. They have big influences on the characteristics of gear performance. When those parameters are fixed inappropriately, it is therefore difficult to satisfy requirements for vibration and load carrying capacity, even if optimum tooth flank form is given. In this report, the mutual influence of those parameters on the gear performance is investigated by using the proposed optimizing design method of tooth flank form, which minimizes vibrational excitation of gears while satisfying requirements for load carrying capacity. Higher geometrical total contact ratio ε_γ mostly results in lower vibrational characteristics of gears with the optimized tooth flank form, but that is not always true, if the requirements for load carrying capacity are severe. Increase in material allowance limits in load carrying capacity can lower the vibrational excitation of gears with optimum tooth flank form. The vibrational excitation at gear mesh cannot be kept low, if the support stiffness against alignment error of gears is not enough. On the other hand, the decrease of support stiffness of gears reduces the magnitude of excitation acting on gear box due to gear vibration. The favorable combination of the support stiffness in parallel shift and that in axes inclination is clarified, which makes vibrational excitation acting on gear box minimum.
一般社団法人日本機械学会の論文
2002-03-25

はすば歯車の振動強度双方最適化歯面設計法 : 第3報,歯車諸元や材料強度,歯車支持剛性の影響(機械要素,滑潤,工作,生産管理など)

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