应力-强度干涉模型下的滚动轴承可靠性评估与设计方法

李燕科; 邱明; 李军星; 牛凯岑; 许艳雷

doi:10.13433/j.cnki.1003-8728.20220219

应力-强度干涉模型下的滚动轴承可靠性评估与设计方法

doi: 10.13433/j.cnki.1003-8728.20220219

李燕科^1,,
邱明^{1, 2, ,},
李军星¹,
牛凯岑¹,
许艳雷¹

1.
河南科技大学机电工程学院，河南洛阳　471003
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　471003

基金项目: 国家重点研发计划项目（2019YFB2004403）、国家自然科学基金项目（52005159）、河南省科技攻关项目（222102220061）及河南省高校青年骨干教师培养计划（2021GGJS048）

详细信息

作者简介:
李燕科，硕士研究生，464903985@qq.com

通讯作者:
邱明，教授，博士生导师，qiuming69@126.com

中图分类号: TH133.3
计量
- 文章访问数: 40
- HTML全文浏览量: 12
- PDF下载量: 1
- 被引次数: 0
出版历程
- 收稿日期: 2021-12-15
- 刊出日期: 2024-03-25

Reliability Evaluation and Design Method of Rolling Bearings Under Stress-strength Interference Model

LI Yanke^1
,,
QIU Ming^{1, 2
, ,},
LI Junxing¹,
NIU Kaicen¹,
XU Yanlei¹

1.
School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang 471003, He'nan, China
2.
Henan Provincial Engineering Technology Research Center for Advanced Manufacturing of High-end Bearings and Intelligent Equipment, Henan University of Science and Technology, Luoyang 471003, He'nan, China

摘要

摘要: 针对滚动轴承可靠性低、缺乏设计依据等问题，提出一种应力-强度干涉模型下的滚动轴承可靠性评估与设计方法。考虑滚动轴承实际承载当量动载荷和规定当量动载荷的随机特性，假设两者为服从对数正态分布的随机变量，建立滚动轴承可靠性评估与设计模型。其次，对多型号多工况下的深沟球轴承和角接触球轴承进行仿真验证，结果表明：本文提出的滚动轴承可靠性评估与设计方法，通过分析当量动载荷的许用范围，结合轴承设计公式可以使优化后的轴承满足在该工况下的目标可靠性寿命，准确有效的实现滚动轴承的可靠性评估与设计。
- 滚动轴承 /
- 可靠性设计 /
- 应力-强度干涉模型 /
- 对数正态分布
Abstract: Aiming at the low reliability and lack of design basis of rolling bearings, a reliability evaluation and design method of rolling bearings under stress-strength interference model was proposed. Considering the random characteristics of the actual equivalent dynamic load and the specified equivalent dynamic load, and assuming that the two random variables subject to lognormal distribution, the reliability evaluation and design model for rolling bearings was established. Secondly, the simulation verification is carried out for the deep groove ball bearings and angular contact ball bearings under multiple models and conditions. The results show that the reliability evaluation and design method of rolling bearing proposed in this paper can make the optimized bearing meet the target reliability life under this working condition by analyzing the allowable range of equivalent dynamic load and combining with the bearing design formula, and achieve the reliability evaluation and design of rolling bearing accurately and effectively.
- rolling bearing /
- reliability design /
- stress-strength interference model /
- lognormal distribution

HTML全文

图 1 滚动轴承可靠性评估流程图

Figure 1. Flow chart of rolling bearing reliability evaluation

下载: 全尺寸图片幻灯片

图 2 滚动轴承可靠性设计流程图

Figure 2. Flow chart of rolling bearing reliability design

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图 3 滚动轴承寿命分析

Figure 3. Life analysis of rolling bearing

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表 1 滚动轴承仿真型号

Table 1. Rolling bearing simulation model numbers

轴承	深沟球轴承	角接触球轴承
1	6005-SKF	7005C（High Accurate）-Koyo2015
2	6007-FAG	7006（High Accurate）-Koyo2015
3	6008-SKF	7008C FY-Koyo2015

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表 2 滚动轴承仿真工况

Table 2. Rolling bearing simulation working conditions

工况编号	当量动载荷/N	转速/（r·min⁻¹）
1	1000	12000
2	1500	12000
3	2000	12000

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表 3 深沟球轴承仿真寿命

Table 3. Deep groove ball bearing simulation life

工况编号	仿真寿命/h
工况编号	6005-SKF	6007-FAG	6008-SKF
1	1952	6019	6950
2	578	1783	1952
3	243	752	823

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表 4 角接触球轴承仿真载荷

Table 4. Angular contact ball bearing simulation loads

当量动载荷/N	轴向载荷/N
当量动载荷/N	7005C	7006	7008C
1 000	850	1314	772
1 500	1372	1972	1232
2 000	1963	2630	1712

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表 5 角接触球轴承仿真寿命

Table 5. Angular contact ball bearing simulation life

工况编号	仿真寿命/h
工况编号	7005C	7006	7008C
1	5 069	8 353	23 547
2	1 503	2 477	6 954
3	633	1 045	2 946

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表 6 深沟球轴承寿命分析

Table 6. Deep groove ball bearing life analysis

轴承型号	仿真平均寿命/h	可靠性评估寿命/h
6005-SKF	924	749
6007-FAG	2 851	1 925
6008-SKF	3 241	2 109
注：轴承转速为12 000 r/min，承受的当量动载荷为1 000~2 000 N。

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表 7 角接触球轴承寿命分析

Table 7. Angular contact ball bearing life analysis

轴承型号	仿真平均寿命/h	可靠性评估寿命/h
7005C	2 401	1 624
7006	3 958	2 680
7008C	11 149	7 548
注：轴承转速为12 000 r/min，承受的当量动载荷为1 000 ~ 2 000 N。

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