Modelling of angular contact ball bearings and axial displacements for high-speed spindles

被引：95
|
作者：
Jedrzejewski, J. [1 ]
Kwasny, W. [1 ]
机构：
[1] Wroclaw Univ Technol, Inst Prod Engn & Automat, PL-50370 Wroclaw, Poland
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2010年 / 59卷 / 01期
关键词：
Bearing; Model; Spindle; DYNAMICS;
D O I：
10.1016/j.cirp.2010.03.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents modelling of moving sleeve and spindle tip displacements in spindle bearing systems equipped with angular contact ball bearings. The balance of axial forces produced in high-speed bearings is examined, with a particular consideration of centrifugal forces, gyroscopic moments, contact deformations, and contact angles. It has been shown that centrifugal forces acting on bearing balls do not cause sleeve axial shifts. Those sleeve shifts can only result from gyroscopic moments, and changes in spindle dimensions due to centrifugal forces. The proposed model has been verified experimentally, and can be used for compensation of spindle tip displacements. (C) 2010 CIRP.
引用
收藏
页码：377 / 382
页数：6
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