Study on Load sharing Characteristics of Planetary Gear Train System with Non-equivalent Modulus and Pressure Angle considering backlashes

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Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (11) : 206-211.

YE Fumin1.2, ZHU Rupeng1, JIN Guanghu 1, BAO Heyun 1, LI Fajia1

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Abstract

A Translation-torsion coupled nonlinear dynamic analysis model with multi-degree of freedom was established for planetary gear train system with non-equivalent modulus and pressure angle. And with the gear backlashes, comprehensive errors and the non-equivalent modulus and the pressure angle of gear pair considered, the load sharing coefficient of the gear train was formulated. The dynamic characteristics of sharing load caused by them were analyzed. Some relations between the dynamic load curve of the gear pair and the load sharing coefficient were obtained due to certain errors and changes of backlash. The range of the change of the system loading coefficient was discussed with the variation of gear modulus and pressure angle. The results show that load sharing coefficient has larger variation as to expand the range of selection pressure angle of gear pair, and the different impact of meshing pair caused by backlashes has important influences on the sharing performance of the planetary gear train system.

Key words

Planetary gear train / Non-equivalent modulus and pressure angle / Load sharing / Nonlinear characteristics

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YE Fumin1.2, ZHU Rupeng1, JIN Guanghu 1, BAO Heyun 1, LI Fajia1. Study on Load sharing Characteristics of Planetary Gear Train System with Non-equivalent Modulus and Pressure Angle considering backlashes[J]. Journal of Vibration and Shock, 2015, 34(11): 206-211

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