Vibration Characteristics for Planetary Geared Systems with Plastic Gears

Abstract:

A torsional dynamic model and testing model for planetary geared systems are established to study the effects on its vibration characteristics as substituting plastic gears for steel ones successively. The dynamic model is solved by using variable step Runge-Kutta method and the vibration testing experiments for four kinds of combined planetary geared systems are carried out under different rotation speed and load torque. The numerical and experimental results show that the high frequency spectra are suppressed effectively as substituting plastic gears for steel ones. The gear mesh dynamic load and vibration intensity caused by the meshing fundamental frequency and side-frequency reduce markedly when the plastic ring and planet gear substitute for steel ones together. The numerical simulations have a better consistency with the experimental results, which verifies the correctness of the conclusions.

• Periodical: Applied Mechanics and Materials (Volumes 713-715)
• Pages: 77-84
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.713-715.77
• Online since: January 2015
• Authors: Jian Ying Li*, Qing Chun Hu, Fu Hai Duan
• Keywords: Combined Planetary Geared Systems, Plastic Gear, Vibration Characteristics

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