机床主轴轴承热诱导预紧力自补偿方法

董艳方; 陈非凡; 卢团良; 邱明

doi:10.13433/j.cnki.1003-8728.20220041

机床主轴轴承热诱导预紧力自补偿方法

doi: 10.13433/j.cnki.1003-8728.20220041

董艳方^{1, 2, 3,},
陈非凡^{1, 2},
卢团良^{1, 2},
邱明^{1, 2, ,}

1.
河南科技大学机电工程学院，河南洛阳　471000
2.
河南科技大学机械装备先进制造河南省协同创新中心，河南洛阳　471000
3.
杭州轴承试验研究中心有限公司，杭州　310000

基金项目: 国家重点研发计划项目（2018YFB2000504）

详细信息

作者简介:
董艳方（1988−），博士研究生，研究方向为轴承性能评价，xiaoqidong104@163.com

通讯作者:
邱明，教授，博士生导师，qiuming@haust.edu.cn

中图分类号: TG156
计量
- 文章访问数: 100
- HTML全文浏览量: 71
- PDF下载量: 15
- 被引次数: 0
出版历程
- 收稿日期: 2021-06-10
- 刊出日期: 2023-06-25

Self-compensation Method for Thermally Induced Preload of Machine Tool Spindle Bearing

DONG Yanfang^{1, 2, 3
,},
CHEN Feifan^{1, 2},
LU Tuanliang^{1, 2},
QIU Ming^{1, 2
, ,}

1.
School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang 471000, He'nan, China
2.
Henan Provincial Cooperative Innovation Center for Advanced Manufacturing of Mechanical Equipment, Luoyang 471000, He'nan, China
3.
Hangzhou Bearing Test & Research Center Co., Ltd., Hangzhou 310000, China

摘要

摘要: 针对高速机床主轴轴承在主轴转速、负载及初始预紧力影响作用下，产生附加热诱导预紧力的问题，提出一种基于分离式隔圈的机床主轴轴承热诱导预紧力自补偿方法，实现了主轴轴承热诱导预紧力自补偿。首先，建立了主轴单元热结构耦合分析模型，分析了不同温度及载荷下，分离式隔圈的轴向相对位移；其次，利用高速机床主轴轴承试验平台研究了补偿前后不同主轴转速和初始预紧力下主轴单元振动和轴承温升的变化规律。结果表明，隔圈相对位移随温度成线性变化，而初始预紧力对其几乎没有影响；且采用分离式隔圈相较于传统的一体式隔圈，主轴单元振动略有增加，但轴承温升显著减小，说明所设计分离式隔圈能够有效降低热诱导预紧力。
- 主轴轴承 /
- 热诱导 /
- 预紧力 /
- 自补偿
Abstract: In order to solve the problem of thermally induced preload of spindle bearing of high-speed machine tool under different spindle speeds, cutting loads and initial preloads, a new method of temperature self-compensation with separated spacer was proposed to realize the self-compensation of thermally induced preload of spindle bearing. Firstly, the thermal structure coupling analysis model of the spindle unit was established to analyze the relative axial displacement of the separated spacers under different temperatures and thermally induced preloads. Secondly, the vibration of the main engine and the temperature rise of the bearing before and after compensation were studied with different spindle speeds and the initial preloads with the spindle bearing test platform of high-speed machine tool. The results show that the relative displacement of the spacer varies linearly with temperature, and the initial preload has almost no effect on it. Compared with the traditional integrated spacer, the vibration of the main engine is slightly increased and the temperature rise of the bearing is significantly reduced with the separated spacer, which indicates that the designed separated spacer can effectively reduce the heat-induced preload.
- spindle bearing /
- thermally induced /
- preload /
- self-compensation

HTML全文

图 1 自补偿装置主轴单元关键组件配置图

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图 2 隔圈实物图

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图 3 自补偿装置主轴单元有限元模型

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图 4 隔圈轴向相对位移云图

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图 5 不同温度/初始预紧力下隔圈轴向相对位移

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图 6 高速机床主轴轴承试验平台

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图 7 不同转速及初始预紧力下主轴单元振动变化规律

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图 8 不同转速及初始预紧力下轴承温升变化规律

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表 1 传感器规格及相关技术指标

传感器	量程	分辨率	误差	供电电压	输出电压
温度传感器JM202V	0 ~ 200 ℃	0.01 ℃	± 0.5%	24 V	0 ~ 5 V
振动传感器HS100	0 ~ 16 g	0.000 1 g	± 0.1%	24 V	0 ~ 10 V

下载: 导出CSV

参考文献(11)

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