微小卫星用陶瓷轴承脂润滑姿控飞轮的性能试验

白 越; 曹 萍; 高庆嘉; 黄敦新; 吴一辉

doi:10.3788/OPE.20101809.2016

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微小卫星用陶瓷轴承脂润滑姿控飞轮的性能试验

微纳技术与精密机械 | 更新时间：2020-08-12

- 微小卫星用陶瓷轴承脂润滑姿控飞轮的性能试验
- Performance testing of attitude control wheel under ceramic bearing support and grease lubricating for micro-small satellites
- 光学精密工程 2010年18卷第9期页码：2016-2021
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
  2. 长春工程学院理学院,吉林长春 130022
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.50905174)();中科院十一五重点项目(No.61501020304)();吉林省自然科学基金资助项目(No.20101530)()
- DOI：10.3788/OPE.20101809.2016
  中图分类号： V448.222;TH133.7
- 收稿日期：2009-12-21，
  
  修回日期：2010-03-01，
  
  网络出版日期：2010-09-29，
  
  纸质出版日期：2010-09-20
- 稿件说明：
移动端阅览
白越, 曹萍, 高庆嘉, 黄敦新, 吴一辉. 微小卫星用陶瓷轴承脂润滑姿控飞轮的性能试验[J]. 光学精密工程, 2010,18(9): 2016-2021

BAI Yue, CAO Ping, GAO Qing-jia, HUANG Dun-xin, WU Yi-hui. Performance testing of attitude control wheel under ceramic bearing support and grease lubricating for micro-small satellites[J]. 光学精密工程, 2010,18(9): 2016-2021
白越, 曹萍, 高庆嘉, 黄敦新, 吴一辉. 微小卫星用陶瓷轴承脂润滑姿控飞轮的性能试验[J]. 光学精密工程, 2010,18(9): 2016-2021 DOI： 10.3788/OPE.20101809.2016.

BAI Yue, CAO Ping, GAO Qing-jia, HUANG Dun-xin, WU Yi-hui. Performance testing of attitude control wheel under ceramic bearing support and grease lubricating for micro-small satellites[J]. 光学精密工程, 2010,18(9): 2016-2021 DOI： 10.3788/OPE.20101809.2016.

摘要

为解决微小卫星姿态控制执行元件姿控飞轮的轻量化、高效支撑及润滑问题

提出了应用脂润滑陶瓷轴承为微小卫星姿控飞轮提供支撑和润滑的方法。试验研究了陶瓷轴承脂润滑姿控飞轮的启动、摩擦功耗、温度特性、抗振动性能及寿命特性

试验结果显示:与同型号钢制球轴承相比

陶瓷球轴承在静态摩擦力矩及功耗方面性能更优良

可以有效减小姿控飞轮的启动电流和摩擦功耗。陶瓷轴承脂润滑姿控飞轮在-30~50 ℃具有良好的启动性能

低于卫星最低工作温度20 ℃时仍能保持良好的启动特性

无冷焊问题

完全满足卫星发射时抵抗振动的要求。振动试验后的姿控飞轮在4年的地面真空试验中功耗电流变化率在有真空度和温度变化的影响下小于1%

验证了陶瓷轴承脂润滑姿控飞轮使用寿命优于4年

满足国内微小卫星对姿控飞轮轻量化和使用寿命的要求。

Abstract

In order to solve the problems on lightweight

efficient support and lubricating for the attitude control wheel in a micro-small satellite

a method using grease lubricated ceramic bearing to support and lubricate the attitude control wheel was proposed. The static frication torque

power loss

anti-temperature

anti-vibration and life of the wheel using ceramic bearing support and grease lubricating were analyzed through experiments. The results show that the static frication torque and power loss of the ceramic bearing under grease lubricating are less than those of all-steel bearings

and the starting characteristics of the proposed wheel are very well at the temperature from -30 ℃ to 50 ℃. Moreover

the vibration resistance performances of the wheel under the testing conditions equal to the conditions when a satellite is launched perfectly. After the vibration testing

the wheel has been tested for four years under a vacuum degree of 0.02 Pa and a rotation speed of 5 000 min/s and results show the variations of current are less than 1%

which proves that the life of the attitude control wheel has more than four years and can meet the lightweight and life requirements of micro-small satellites in space.

关键词

Keywords

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