Dynamic characteristics of low loss motorized spindle suspended by magnetic bearings

XU Xin; XIE Zhen-yu; LONG Ya-wen

doi:10.13224/j.cnki.jasp.2014.02.014

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Dynamic characteristics of low loss motorized spindle suspended by magnetic bearings

更新时间：2026-07-07

- Dynamic characteristics of low loss motorized spindle suspended by magnetic bearings
- Vol. 29, Issue 2, Pages: 343-349(2014)
- 作者机构：
  
  南京航空航天大学机电学院江苏省精密与微细制造技术重点实验室,南京,210016
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2014.02.014
  CLC：
- Published：2014
- 稿件说明：
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徐欣, 谢振宇, 龙亚文. 低损耗磁悬浮电主轴的动态性能[J]. 航空动力学报, 2014, 29(2): 343-349.

doi: 10.13224/j.cnki.jasp.2014.02.014
徐欣, 谢振宇, 龙亚文. 低损耗磁悬浮电主轴的动态性能[J]. 航空动力学报, 2014, 29(2): 343-349. DOI： 10.13224/j.cnki.jasp.2014.02.014.

doi: 10.13224/j.cnki.jasp.2014.02.014 DOI：

摘要

通过引入同极型径向主动磁悬浮轴承（AMB）和轴向永磁轴承（PMB）建立了低损耗磁悬浮电主轴试验装置，给出了主要设计过程和结构参数，分析了磁悬浮电主轴的动态性能，并通过系统的高速旋转试验进行了验证.研究结果表明：该试验装置结构简单，功耗较小，能够平稳越过前2阶临界转速并在40000r/min稳定运行，最大振幅为7μm.

Abstract

A low loss motorized spindle suspended by magnetic bearings with two radial homopolar active magnetic bearings (AMB) and one axial permanent magnetic bearing (PMB) was established

and the main design procedure and configuration parameters of the system were presented.The dynamic characteristics of the system were analyzed by theoretical calculations and verified by high-speed rotation tests.The results show that the system has simpler structure

less power consumption

and is able to get across the first two critical speeds and operate at 40000r/min safely

with maximum amplitude of the rotor up to 7μm.

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东北大学航空动力装备振动及控制教育部重点实验室

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