Experimental Study on Dynamic Coefficients for Spindle System Supported by High-Speed Hybrid Bearings

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Experimental Study on Dynamic Coefficients for Spindle System Supported by High-Speed Hybrid Bearings

更新时间：2025-05-08

- Experimental Study on Dynamic Coefficients for Spindle System Supported by High-Speed Hybrid Bearings
- Vol. 45, Issue 5, Pages: 52-58(2011)
- 作者机构：
  
  西安交通大学机械工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH117.2
- Online First：10 May 2011，
  
  Published：2011
- 稿件说明：
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Experimental Study on Dynamic Coefficients for Spindle System Supported by High-Speed Hybrid Bearings[J]. 2011, 45(5): 52-58.
DOI：

Experimental Study on Dynamic Coefficients for Spindle System Supported by High-Speed Hybrid Bearings[J]. 2011, 45(5): 52-58. DOI：

摘要

以自行设计的高速主轴水润滑动静压轴承为基础

采用不平衡质量法识别出转子系统支撑轴承的动特性系数

通过轴承性能测试实验得到了供水压力、主轴转速等运行参数对轴承-转子系统动特性的影响.结果表明:轴承-转子系统动特性系数随系统供水压力和主轴工作转速的增加而增大; 在供水压力较低时

工作转速对轴承动特性影响较小; 当供水压力升高到一定程度时

工作转速对轴承的动特性产生较大影响

此项研究对轴承-转子系统结构参数的改进以及不同工况下最佳运行参数的确定具有一定的指导意义.

Abstract

A high-speed rotor-bearing test rig supported by water lubricated hybrid bearing was constructed. The additional masses attached to rotor were taken to identify the dynamic coefficients of hybrid bearing system

and the further experiment results show the effects of supply pressure

rotating speed and other operating parameters on the dynamic coefficients of bearing system. The dynamic coefficients of rotor-bearing system increase with the increasing supply pressure and spindle speed. In case of low supply pressure

the impact of rotating speed on dynamic coefficients is slight. If the supply pressure increases to a certain degree

the rotating speed plays an important role on the dynamic coefficients.

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references

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