What question did this study set out to answer?

This research aims to understand how staggered tooth phase affects vibration and noise in herringbone planetary gear systems.

July 23, 2026PLoS ONEOpen Access

Investigation on dynamic characteristics of herringbone planetary gear transmission system with staggered tooth phase

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Authors

SHShaoshuai HouLanzhou University of Technology HYHaichao YeLuoyang Institute of Science and Technology DZDerong ZhuLuoyang Institute of Science and Technology

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Implication

Investigation reveals effects of staggered tooth phase on vibration and noise in herringbone planetary gears, suggesting improved transmission performance.

Key Points

This research aims to understand how staggered tooth phase affects vibration and noise in herringbone planetary gear systems.
Derived analytical formulation for time-varying mesh stiffness of herringbone planetary gear systems with staggered tooth phase.
Examined correlation between staggered tooth phase angle and system vibration response.
Analyzed the dynamic effects of rotational speed variations and different tooth profile errors.
The staggered tooth phase (STP) significantly improves vibration characteristics of herringbone planetary gear systems.
Single tooth tangential error (STTE) is identified as the most significant factor affecting vibration.
The study found that changing rotational speeds impact the system's vibration response.

Cite This Study

Hou et al. (2026) studied this question.

synapsesocial.com/papers/6a61af8bfaa9903c5116a50d https://doi.org/10.1371/journal.pone.0354177

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Implication

Investigation reveals effects of staggered tooth phase on vibration and noise in herringbone planetary gears, suggesting improved transmission performance.

Investigation on dynamic characteristics of herringbone planetary gear transmission system with staggered tooth phase

Discussion

Member takes

Implication

Key Points

Cite This Study

Investigation on dynamic characteristics of herringbone planetary gear transmission system with staggered tooth phase

Discussion

Member takes

Implication

Key Points

Cite This Study

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