The effect of different profile modifications on the static and dynamic transmission error of spur gears

Autiero, Matteo; Paoli, Giovanni; Cirelli, Marco; Valentini, Pier Paolo

doi:10.1016/j.mechmachtheory.2024.105752

Mechanism and Machine Theory

2024

DOI: 10.1016/j.mechmachtheory.2024.105752

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The effect of different profile modifications on the static and dynamic transmission error of spur gears

Matteo Autiero,

Giovanni Paoli,

Marco Cirelli

et al.

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2024

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Research on vibration characteristics of spur gear drive considering tooth surface friction under elastohydrodynamic lubrication

Li,

Fu,

Wang

et al. 2024

Journal of Vibration and Control

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Under elastohydrodynamic lubrication (EHL) conditions, spur gearing vibration characteristics are influenced by both the combined meshing stiffness (CMS) and the tooth surface friction coefficient (TSFC). This paper examines the effects of both combined meshing stiffness and the tooth surface friction coefficient on the vibration characteristics of spur gear drives through the following investigations. The combined meshing stiffness is numerically computed, and the tooth surface friction coefficient is measured by the experimental method under elastohydrodynamic lubrication at first. Then, the bending-torsion coupling vibration model of the gear drive is established. Moreover, the gear drive vibration characteristics are analyzed. Lastly, the accuracy of the model is proved experimentally. The results indicate that gears’ vibrations intensify as the tooth surface friction coefficient rises. And it is prolonged for the system to reach stabilization. The oil film normal stiffness (OFNS) formed by the lubricant film helps to reduce gear vibration. Especially when working at high speeds, the vibration reduction of elastohydrodynamic lubrication for the gear drive is more pronounced. The influence of the tooth surface friction coefficient on gear drive vibration characteristics is more significant than the combined meshing stiffness. The experimental and calculative results are within 10% error, which certifies the precision of the simulation results. This article provides a theoretical basis for studying the vibration reduction performance of gear drives.

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Research on vibration characteristics of spur gear drive considering tooth surface friction under elastohydrodynamic lubrication

Li,

Fu,

Wang

et al. 2024

Journal of Vibration and Control

View full text Add to dashboard Cite

show abstract

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The effect of different profile modifications on the static and dynamic transmission error of spur gears

Cited by 1 publication

References 35 publications

Research on vibration characteristics of spur gear drive considering tooth surface friction under elastohydrodynamic lubrication

Research on vibration characteristics of spur gear drive considering tooth surface friction under elastohydrodynamic lubrication

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