Method of calculating friction excitation of helical gear with geometric eccentricity

被引：0
|
作者：
Liu W. [1 ]
Yang Y. [1 ]
Lin T.-J. [1 ]
Zhang J.-H. [1 ]
机构：
[1] State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing
来源：
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2017年 / 51卷 / 08期
关键词：
Eccentricity error; Friction; Frictional torque; Helical gear pair; The length of contact line;
D O I：
10.3785/j.issn.1008-973X.2017.08.011
中图分类号：
学科分类号：
摘要：
In order to analyse the calculation method of friction excitation of helical gear pair with eccentricity error, the formulas of dynamic working pressure angle, transient pitch radius and transient transmission ratio were derived by establishing the geometrical model of a single helical gear pair. Describing the variational process of the contact line of a single tooth pair by piecewise function, the total contact line length of all meshing tooth pairs could be got by addition. The friction and frictional torque were obtained through cutting off the contact line into two segments with pitch line and compared with the results without considering eccentricity error. It shows that when considering the geometric eccentricity, the length of contact line, friction and frictional torque are more complicated, and the frequency spectrum peaks appear both at meshing frequency and shaft rotational frequency; and meanwhile, side frequency band occurs with the meshing frequency as central frequency and affects the stability of the transmission system. © 2017, Zhejiang University Press. All right reserved.
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页码：1559 / 1567
页数：8
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