考虑波纹度的行星滚针轴承动力学

IF 1.9 4区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers Part K-Journal of Multi-Body Dynamics Pub Date : 2022-04-11 DOI:10.1177/14644193221093514

Zhifeng Shi, Jing Liu, Guijian Xiao

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引用次数: 5

摘要

提出了考虑波纹度的行星滚针轴承动力学模型。该模型可以描述高离心加速度条件下PNRB的动态运动，比轴固定轴承的动态运动更复杂。滚针辊和滚针辊表面的波纹会改变滚针辊与滚针辊的接触条件。在本研究中，讨论了波纹度对滚子-滚道接触力、滚子-保持架冲击力和PNRB单元动力学的影响，这些在PNRB模型中未被列出的文献中研究。并以单排行星轮系PNRB为例，分析了滚针保持架冲击力与保持架速度变化的关系。研究了波纹度对PNRB焊圈振动特性频率的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dynamics of a planetary needle roller bearing considering the waviness

A dynamic model of a planetary needle roller bearing (PNRB) considering the waviness is proposed. This model can formulate the PNRB dynamic motions under high centrifugal acceleration conditions, which are more complicated than those of shaft-fixed bearings. The waviness distributed on the surfaces of races and needle rollers can change the contact conditions between the needle rollers and races. In this study, the effect of the waviness on the roller-race contact forces, roller-cage impact forces, and the PNRB elements’ dynamics are discussed, which were not studied in the listed literature for the PNRB models. Moreover, a case of a PNRB in a single row planetary gear train is used to analyze the relationship between the needle roller-cage impact force and cage speed variation. The effect of the waviness on the vibration characteristics frequency of PNRB races are also studied.

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来源期刊

Proceedings of the Institution of Mechanical Engineers Part K-Journal of Multi-Body Dynamics 工程技术-工程：机械

CiteScore

4.10

自引率

11.10%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Multi-body Dynamics is a multi-disciplinary forum covering all aspects of mechanical design and dynamic analysis of multi-body systems. It is essential reading for academic and industrial research and development departments active in the mechanical design, monitoring and dynamic analysis of multi-body systems.