MACHINE TOOL SPINDLE PERFORMANCE DEGRADATION RELIABILITY STUDY BASED ON ACOUSTIC EMISSION MONITORING

CHI YuLun; ZHONG XueLian; WU ChunPing; LI HaoLin

doi:10.16579/j.issn.1001.9669.2017.05.016

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MACHINE TOOL SPINDLE PERFORMANCE DEGRADATION RELIABILITY STUDY BASED ON ACOUSTIC EMISSION MONITORING

更新时间：2022-09-22

- MACHINE TOOL SPINDLE PERFORMANCE DEGRADATION RELIABILITY STUDY BASED ON ACOUSTIC EMISSION MONITORING
- Journal of Mechanical Strength Vol. 39, Issue 5, Pages: 1086-1091(2017)
- 作者机构：
  
  1. 上海理工大学机械工程学院
  2. 上海工业自动化仪表研究院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2017.05.016
  CLC：
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CHI YuLun, ZHONG XueLian, WU ChunPing, et al. MACHINE TOOL SPINDLE PERFORMANCE DEGRADATION RELIABILITY STUDY BASED ON ACOUSTIC EMISSION MONITORING. [J]. 39(5):1086-1091(2017)
DOI：

CHI YuLun, ZHONG XueLian, WU ChunPing, et al. MACHINE TOOL SPINDLE PERFORMANCE DEGRADATION RELIABILITY STUDY BASED ON ACOUSTIC EMISSION MONITORING. [J]. 39(5):1086-1091(2017) DOI： 10.16579/j.issn.1001.9669.2017.05.016.

摘要

机床主轴作为机床核心部件之一,其可靠性分析研究对提高数控机床质量有着重要意义。分析研究机床主轴性能退化的机理,将声发射信号应用于机床主轴性能状态监测。基于机床主轴性能未知退化路径模型研究,为长寿命少失效样本条件提供了一种失效寿命估计方法,综合虚拟增广样本法对机床主轴进行可靠性评估。最后,通过实验验证了该方法的有效性和实用性。

Abstract

As one of core components of machine tool,the reliability of spindle is very important for improving machine tool quality. According to spindle performance degradation mechanism analysis,the acoustic emission signal is used to monitor and study the performance state of spindle. A reliability evaluation method is proposed for the long-life and less failure sample problem based on machine tool degradation path models. At last,this method is used to solve the machine tool spindle reliability assessment,which integrates virtual augmented sample method. It effectiveness and practicability is proved through experiment results.

关键词

声发射信号机床主轴性能退化可靠性

Keywords

Acoustic emissionMachine tool spindlePerformance degradationReliability

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