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Structure vibration characteristics of two stage double helical tooth planetary gear trains with une

本站小编 哈尔滨工业大学/2019-10-23

Structure vibration characteristics of two stage double helical tooth planetary gear trains with unequally spaced planets and stars

LI Gui-xian1, ZHAO Yong-qiang1, CHANG Shan2, ZHANG Xiang2

1.School of Mechanical and Electronic Engineering, Harbin Institute of Technology, Harbin 150001, China;2.Harbin 703 Research Institute, Harbin 150036, China



Abstract:

A computational model of two stage double helical tooth planetary gear set is employed to built the lateral torsional coupling dynamic governing equations. Base on the dynamic equation, the free vibration properties of the system with unequally spaced planets and stars are analyzed. The vibration modes are classified into three types: star mode, planet mode, and coupling mode. For each of the modes, the relation between inherent frequency and vibration amplitude is investigated in detail by the eigenvalue and mode characteristics.

Key words:  two stage planetary gear sets  vibration characteristics  double helical tooth

DOI:10.11916/j.issn.1005-9113.2011.02.011

Clc Number:TH132.41

Fund:


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