Influence of structural parameters and tolerance on stiffness of high-speed ball bearings

被引：0
|
作者：
Zhaohui Yang
Baotong Li
Tianxiang Yu
机构：
[1] Northwestern Polytechnical University,School of Aeronautics
[2] Xi’an Jiaotong University,State Key Laboratory for Manufacturing and Systems Engineering
来源：
International Journal of Precision Engineering and Manufacturing | 2016年 / 17卷
关键词：
High-speed ball bearings; Stiffness; Quasi dynamic; Structural parameter; Tolerance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
High-speed ball bearings are widely used in aerospace, high-speed machining tool and other complex mechanical systems. And the stiffness is one of most critical parameter of bearings to decide the machine performance. This paper attempts to construct a 5-DOF stiffness matrix based on quasi-dynamic model of high-speed ball bearings to analyze the variation of stiffness with different work condition precisely, and the variation of stiffness with structural parameter and manufacturing errors are calculated for the optimization of tolerance. In this method, the effect of combined loads and lubrication effect are considered, which can achieve high precision analysis of the relationship between contact load and displacement. And then a 5-DOF stiffness matrix can be calculated precisely. The results can be used to optimize the design bearing for improving stiffness.
引用
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页码：1493 / 1501
页数：8
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