基于光纤光栅传感器的机床主轴轴承热诱导预紧力研究#br#

doi:10.3969/j.issn.1004-132X.2021.17.002

中国机械工程 ›› 2021, Vol. 32 ›› Issue (17): 2025-2031，2039.DOI: 10.3969/j.issn.1004-132X.2021.17.002

基于光纤光栅传感器的机床主轴轴承热诱导预紧力研究#br#

卢团良1;邱明1,2;董艳方1;张亚涛1;杜辉1

1.河南科技大学机电工程学院，洛阳，471000
2.机械装备先进制造河南省协同创新中心，洛阳，471000

出版日期:2021-09-10 发布日期:2021-09-23
通讯作者: 邱明（通信作者），女，1969年生，教授、博士研究生导师。研究方向为轴承设计与摩擦学。发表论文100余篇。E-mail:qiuming69@126.com。
作者简介:卢团良，男，1996年生，硕士研究生。研究方向为轴承设计、轴承状态监测。发表论文3篇。
基金资助:
国家重点研发计划（2018YFB2000504）;
河南省教育厅项目（19A460018）

Research on Thermally Induced Preload of Machine Tool Spindle Bearings Based on FBG Sensor

LU Tuanliang1;QIU Ming1,2;DONG Yanfang1;ZHANG Yatao1;DU Hui1

1.School of Mechanical Engineering,Henan University of Science and Technology,Luoyang,Henan,471000
2.Henan Collaborative Innovation Center for Advanced Manufacturing of Mechanical Equipment,Luoyang,Henan,471000

Online:2021-09-10 Published:2021-09-23

摘要/Abstract

摘要： 针对机床主轴轴承预紧力测试困难、测不准的难题，基于光纤光栅（FBG）传感器实现机床主轴轴承热诱导预紧力的在线监测。建立了考虑滚动体自旋摩擦生热及轴承内外圈与主轴和轴承座之间接触热阻的主轴单元热分析模型，搭建了主轴轴承热诱导预紧力测试系统。通过仿真和实验对比分析了不同转速下主轴单元关键组件温度分布及热诱导预紧力大小。研究结果表明，FBG传感器、热敏传感器所测温度与仿真温度预测结果是一致的，验证了所提出实时测量热诱导预紧力方法的准确性及可靠性。

关键词: 机床主轴轴承, 温度分布, 热诱导预紧力, 光纤光栅

Abstract: Aiming at the difficult and inaccurate testing of the machine tool spindle bearing preloads, an online monitoring method was proposed herein based on FBG sensor. Firstly, the thermal analysis model of the spindle unit was established considering the heat generated by the spinning friction of the rolling elements, the contact thermal resistance between the inner/outer ring of the bearings and the spindle/housing. Secondly, a thermally induced preload test system for the spindle bearings was built. Through simulation and experimental comparison, the temperature distribution and thermally induced preloads of the key components of the spindle unit were analyzed at different speeds. The results show that the temperature measured by FBG sensor and thermal sensor is consistent with the simulation temperature prediction, which verifies the accuracy and reliability of the method proposed.

Key words: machine tool spindle bearing, temperature distribution, thermally induced preload, fiber Bragg grating(FBG)

中图分类号:

TH133.3

卢团良, 邱明, 董艳方, 张亚涛, 杜辉. 基于光纤光栅传感器的机床主轴轴承热诱导预紧力研究#br#[J]. 中国机械工程, 2021, 32(17): 2025-2031，2039.

LU Tuanliang, QIU Ming, DONG Yanfang, ZHANG Yatao, DU Hui. Research on Thermally Induced Preload of Machine Tool Spindle Bearings Based on FBG Sensor[J]. China Mechanical Engineering, 2021, 32(17): 2025-2031，2039.

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链接本文: http://www.cmemo.org.cn/CN/10.3969/j.issn.1004-132X.2021.17.002

http://www.cmemo.org.cn/CN/Y2021/V32/I17/2025

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基于光纤光栅传感器的机床主轴轴承热诱导预紧力研究#br#

Research on Thermally Induced Preload of Machine Tool Spindle Bearings Based on FBG Sensor

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