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极端工况双矩形腔静压推力轴承动态特性

于晓东 袁腾飞 李代阁 曲航 郑旭航

于晓东, 袁腾飞, 李代阁, 曲航, 郑旭航. 极端工况双矩形腔静压推力轴承动态特性[J]. 力学学报, 2018, 50(4): 899-907. doi: 10.6052/0459-1879-18-041
引用本文: 于晓东, 袁腾飞, 李代阁, 曲航, 郑旭航. 极端工况双矩形腔静压推力轴承动态特性[J]. 力学学报, 2018, 50(4): 899-907. doi: 10.6052/0459-1879-18-041
Yu Xiaodong, Yuan Tengfei, Li Daige, Qu Hang, Zheng Xuhang. DYNAMIC CHARACTERISTICS OF HYDROSTATIC THRUST BEARING WITH DOUBLE RECTANGULAR CAVITY UNDER EXTREME WORKING CONDITION[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(4): 899-907. doi: 10.6052/0459-1879-18-041
Citation: Yu Xiaodong, Yuan Tengfei, Li Daige, Qu Hang, Zheng Xuhang. DYNAMIC CHARACTERISTICS OF HYDROSTATIC THRUST BEARING WITH DOUBLE RECTANGULAR CAVITY UNDER EXTREME WORKING CONDITION[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(4): 899-907. doi: 10.6052/0459-1879-18-041

极端工况双矩形腔静压推力轴承动态特性

doi: 10.6052/0459-1879-18-041
基金项目: 国家自然科学基金资助项目(51375123)
详细信息
    作者简介:

    于晓东, 教授, 主要研究方向: 润滑理论与轴承研制, 数控技术. E-mail: hustyuxiaodong@163.com

    通讯作者:

    郑旭航

  • 中图分类号: TH133.3;

DYNAMIC CHARACTERISTICS OF HYDROSTATIC THRUST BEARING WITH DOUBLE RECTANGULAR CAVITY UNDER EXTREME WORKING CONDITION

  • 摘要: 静压推力轴承动态特性受润滑油黏度、油膜厚度和油腔面积等因素影响, 极端工况运行过程中经常承受阶跃载荷或正弦载荷作用, 突加载荷将导致静压推力轴承动态特性改变, 表现为轴承的抗冲击能力和恢复平衡所需时间的变化. 为获得高速重载微间隙极端工况条件下双矩形腔静压推力轴承动态特性, 分别在不同油膜厚度、不同润滑油黏度以及不同油腔尺寸条件下对双矩形腔静压推力轴承的动态性能进行理论分析, 探讨了阶跃载荷作用下润滑油黏度、油膜厚度和油腔面积对轴承动态性能的影响, 揭示了油膜动态变化规律, 探究了正弦载荷作用下双矩形腔静压推力轴承的稳定性. 结果表明: 润滑油黏度、油膜厚度和油腔尺寸变化对其动态性能有很大的影响. 润滑油黏度越大、油膜厚度越小、油腔面积越大突加载荷作用下润滑油膜抵抗冲击的能力越强, 旋转工作台受到突加外力作用下恢复至平衡状态所用时间越短. 双矩形腔静压推力轴承油膜具有较大的阻尼系数, 轴承具有极强的抵抗正弦加载作用的能力

     

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  • 刊出日期:  2018-07-18

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