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高温高速混合陶瓷球轴承性能分析与试验研究

郑艳伟 刘公平 赵滨海 郝大庆 陈后清

郑艳伟, 刘公平, 赵滨海, 等. 高温高速混合陶瓷球轴承性能分析与试验研究[J]. 航空动力学报, 2024, 39(8):20210402 doi: 10.13224/j.cnki.jasp.20210402
引用本文: 郑艳伟, 刘公平, 赵滨海, 等. 高温高速混合陶瓷球轴承性能分析与试验研究[J]. 航空动力学报, 2024, 39(8):20210402 doi: 10.13224/j.cnki.jasp.20210402
ZHENG Yanwei, LIU Gongping, ZHAO Binhai, et al. Performance analysis and test research of high temperature and high speed hybrid ceramic ball bearings[J]. Journal of Aerospace Power, 2024, 39(8):20210402 doi: 10.13224/j.cnki.jasp.20210402
Citation: ZHENG Yanwei, LIU Gongping, ZHAO Binhai, et al. Performance analysis and test research of high temperature and high speed hybrid ceramic ball bearings[J]. Journal of Aerospace Power, 2024, 39(8):20210402 doi: 10.13224/j.cnki.jasp.20210402

高温高速混合陶瓷球轴承性能分析与试验研究

doi: 10.13224/j.cnki.jasp.20210402
详细信息
    作者简介:

    郑艳伟(1991-),男,工程师,硕士,主要从事于轴承设计、仿真分析及应用技术的研究。E-mail:2217768638@qq.com

  • 中图分类号: V233.1;TH133.33

Performance analysis and test research of high temperature and high speed hybrid ceramic ball bearings

  • 摘要:

    针对高温高速轴承易发生黏着磨损、保持架断裂等失效特征,搭建了轴承动力学分析模型和试验台架,对轴承进行了优化设计、性能分析及试验验证。研究结果表明:随着转速的增加,内圈接触应力增大,外圈接触应力减小,混合陶瓷球轴承的最大接触应力大于全钢轴承;随着转速的增加,滚动体与保持架的碰撞力、保持架打滑率和旋滚比均增加,保持架稳定性降低,全钢轴承的保持架打滑率和旋滚比均大于混合陶瓷球轴承,滚动体与保持架碰撞力相当;自主搭建了试验台进行试验研究,当供油温度110 ℃,转速为120000 r/min时,混合陶瓷球轴承温度低于全钢轴承,混合陶瓷球轴承振动加速度低于2.0g,全钢轴承振动加速度低于4.0g,通过供、回油温差,可判断混合陶瓷球轴承温升低于全钢轴承;试验验证了混合陶瓷轴承较全钢轴承更适用于高温高速工况。

     

  • 图 1  轴承结构图

    Figure 1.  Bearing structure

    图 2  轴承坐标系

    Figure 2.  Coordinate system of bearing

    图 3  滚动体与套圈之间的接触应力

    Figure 3.  Contact stress of rolling element to ring

    图 4  接触应力与转速关系

    Figure 4.  Relation of contact pressure with speed

    图 5  滚动体与套圈之间的旋滚比

    Figure 5.  Spin-to-roll of rolling element to ring

    图 6  旋滚比与转速的关系

    Figure 6.  Relation of spin-to-roll with speed

    图 7  滚动体与保持架之间的碰撞力与转速的关系

    Figure 7.  Relation of rolling element to cage force with speed

    图 8  保持架打滑率与转速的关系

    Figure 8.  Relation of cage slip ratio with speed

    图 9  混合陶瓷轴承保持架质心轨迹

    Figure 9.  Cage mass center trajectory of hybrid ceramic ball bearing

    图 10  全钢轴承保持架质心轨迹

    Figure 10.  Cage mass center trajectory of all-steel ball bearing

    图 11  试验机实物图

    Figure 11.  Testing machine object

    图 12  试验机结构简图

    Figure 12.  Structure diagram of testing machine

    图 13  轴承试验转速

    Figure 13.  Bearing test speed

    图 14  试验轴承振动加速度

    Figure 14.  Test bearing vibration acceleration

    图 15  被试轴承温度

    Figure 15.  Test bearing temperature

    图 16  供、回油温度

    Figure 16.  Supply and return oil temperature

    图 17  试验后轴承外观

    Figure 17.  Bearing after testing

    表  1  8Cr4Mo4V与Si3N4材料对比

    Table  1.   Characteristics of 8Cr4Mo4V compared with Si3N4

    项目 8Cr4Mo4V Si3N4
    密度/(g/cm3 7.9 3.2
    热膨胀系数/10−6 (1/K) 10.6 3.2
    弹性模量/GPa 210 320
    泊松比 0.3 0.26
    维式硬度/(kgf/mm2 700~800 1400~1700
    耐热温度/℃ 360 580
    磁性 不导磁
    下载: 导出CSV

    表  2  轴承材料

    Table  2.   Bearing material

    项目材料
    外圈8Cr4Mo4V
    内圈13Cr4Mo4Ni4V
    滚动体Si3N4
    保持架40CrNiMoA
    下载: 导出CSV

    表  3  轴承检测结果

    Table  3.   Bearing measurement result

    轴承编号 内径尺寸
    偏差/μm
    (试验前/后)
    外径尺寸
    偏差/μm
    (试验前/后)
    径向游隙/μm
    (试验前/后)
    全钢轴承1 1.5/1.5 3.5/3.5 27/27
    全钢轴承2 2/2 3/3 26/26
    混合陶瓷
    轴承1
    2.5/2.5 3.5/3.5 27/27
    混合陶瓷
    轴承2
    1.5/1.5 3/3 27/27
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-07-29
  • 网络出版日期:  2024-03-27

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