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Influence of Central Members Radial Support Stiffness on Load Sharing Characteristics of Compound Planetary Gear Sets

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In this study, a non-linear dynamics model of Ravigneaux compound planetary gear set which adopts the intermediate floating component is set up based on concentration parameter. By considering the position errors and eccentric errors, the dynamic load sharing factors of the gear set are calculated. The relationship between central members radial support stiffness and the dynamic load sharing factors is obtained and the influence of central members radial support stiffness on load sharing characteristic is analyzed. The research results show that central members radial support stiffness effect obvious to the gear pairs which are directly contacted to the central members, while the effect is rather small to the gear pairs which are not directly connected. Reducing the radial support stiffness of the central members helps improve the load sharing performance of the system.
ISBN: 978-1-61481-112-1 Pages: 12
Authors: Z. Peng, S. Wu
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