Research on Vibration Monitoring and Fault Diagnosis of Mechanical Spindle Bearings

WANG Yipeng; LI Lianyu; LI Yong

doi:10.16080/j.issn1671-833x.2020.21.098

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Research on Vibration Monitoring and Fault Diagnosis of Mechanical Spindle Bearings

更新时间：2025-10-30

- Research on Vibration Monitoring and Fault Diagnosis of Mechanical Spindle Bearings
- Aeronautical Manufacturing Technology Vol. 63, Issue 21, Pages: 98-101(2020)
- 作者机构：
  
  航空工业成都飞机工业（集团）有限责任公司数控加工厂,成都,610092
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2020.21.098
  CLC：
- Published：2020
- 稿件说明：
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王一鹏，李连玉，李勇. 机械主轴轴承振动监测与故障诊断研究[J]. 航空制造技术, 2020, 63(21): 98-101.

WANG Yipeng, LI Lianyu, LI Yong. Research on Vibration Monitoring and Fault Diagnosis of Mechanical Spindle Bearings. Aeronautical Manufacturing Technology, 2020, 63(21): 98-101.
王一鹏，李连玉，李勇. 机械主轴轴承振动监测与故障诊断研究[J]. 航空制造技术, 2020, 63(21): 98-101. DOI： 10.16080/j.issn1671-833x.2020.21.098.

WANG Yipeng, LI Lianyu, LI Yong. Research on Vibration Monitoring and Fault Diagnosis of Mechanical Spindle Bearings. Aeronautical Manufacturing Technology, 2020, 63(21): 98-101. DOI： 10.16080/j.issn1671-833x.2020.21.098.

摘要

针对数控机床机械主轴在故障发生时的非平稳特性及主轴运行状态监测的问题，提出了一种基于振速均方根值和频谱分析的振动监测分析方法。以某龙门机床机械主轴为对象开展研究，选择振动测试仪的振动速度值进行快速状态识别，发现异常后针对主轴重要部件轴承进行持续性监测，利用频谱分析诊断出轴承的缺陷位置。结果证明该振动监测分析方法可以快速有效地诊断出机械主轴故障位置，提前采取措施以避免故障进一步恶化，为主轴后期的检修和维护提供了可靠的依据。

Abstract

A vibration monitoring and analysis method based on RMS vibration value and spectrum analysis is proposed to solve the problem of non-stationary characteristics of mechanical spindle in CNC machine tools and the monitoring of spindle running state. In this paper

the research is carried out on a mechanical spindle of a gantry machine tool. The vibration velocity value of the vibration tester is selected for rapid state identification. After the abnormality is found

the bearing of the important component of the spindle is continuously monitored

and the defect position of the bearing is diagnosed by spectrum analysis. The results show that the vibration monitoring and analysis method can quickly and effectively diagnose the fault position of the mechanical spindle

and take measures in advance to avoid further deterioration of the fault.

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Related Institution

College of Mechanical and Vehicle Engineering, Hunan University

College of Aeronautics, Nanjing University of Aeronautics and Astronautics

School of Mechanical Science and Engineering, Huazhong University of Science and Technology

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