A dynamics modeling research for angular contact ball bearing of high-speed spindle under rigid preload

DOI

10.2991/icmeis-15.2015.168How to use a DOI?

Keywords

angular contact ball bearings; Hertz contact theory; rigid preload; high-speed spindle; dynamic model.

Abstract

Determining the parameters of angular contact ball bearings under preload is the key issue to improve the accuracy and performance of high-speed spindle. The impact of gyro force and centrifugal force were considered, a static and a dynamic model for angular contact ball bearings under rigid preload were presented. By using Newton iterative method, dynamic parameters of the angular contact bearings were obtained, including eccentricity of contact ellipse, contact angle, contact force, maximum contact stress, contact ellipse radii and stiffness, etc. According to numerical simulation, relationship between the parameters, versus preload and versus rotation speed were given. The results reveal that the stiffness increases as the preload increases appropriately, the contact stress and contact ellipse radii increase as the preload increases excessively. In addition, under rigid preload this model has no bearing softening effect. This method provides valuable theoretical basis for further researches, such as calculating bearings calorific value, calculating bearings fatigue life and optimizing bearings structure, etc.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zhifeng Liu
AU  - Bohua Zhang
PY  - 2015/08
DA  - 2015/08
TI  - A dynamics modeling research for angular contact ball bearing of high-speed spindle under rigid preload
BT  - Proceedings of the 3rd International Conference on Mechanical Engineering and Intelligent Systems (ICMEIS 2015)
PB  - Atlantis Press
SP  - 890
EP  - 894
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmeis-15.2015.168
DO  - 10.2991/icmeis-15.2015.168
ID  - Liu2015/08
ER  -