Research on the Mechanical Properties of a New “I” Type Double-Decker Ball Bearing-Reference-Cited by-同舟云学术

Research on the Mechanical Properties of a New “I” Type Double-Decker Ball Bearing

Published:2015-10-20 Issue:2 Volume:138 Page:
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Zhu Yili¹,Zhang Yongchun²,Jin Chaowu³

Affiliation:

1. College of Electronic Information and Electrical Engineering, Changzhou Institute of Technology, Changzhou 213002, China e-mail:

2. School of Electrical and Information Engineering, Jiangsu University, Zhenjiang 212013, China e-mail:

3. College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China e-mail:

Abstract

The new “I” type double-decker ball bearing (NITDDBB) with two inner contact ball bearings is proposed to improve the speed and load capability of the original I type double-decker ball bearing (OITDDBB). Based on the quasi-statics principle, the mechanical model of the NITDDBB is established and takes into consideration the radial load, axial load, and ball centrifugal forces, as well as the gyroscopic moments. The corresponding calculation model is established on the matlab platform. The mechanical characteristics of the NITDDBB are analyzed and compared with the OITDDBB and also with a single-decker ball bearing (SDBB). Finally, a bearing load test rig is designed and built to verify the simulation results. The results provide a theoretical and experimental basis for the application of the NITDDBB.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/doi/10.1115/1.4031583/6285834/trib_138_02_021102.pdf

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