Article(id=1241686764876787842, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, articleNumber=null, orderNo=null, doi=10.16579/j.issn.1001.9669.2025.09.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752336000000, receivedDateStr=2025-07-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773970794171, onlineDateStr=2026-03-20, pubDate=1757865600000, pubDateStr=2025-09-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773970794171, onlineIssueDateStr=2026-03-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773970794171, creator=13701087609, updateTime=1773970794171, updator=13701087609, issue=Issue{id=1241686759470329942, tenantId=1146029695717560320, journalId=1227999626482147330, year='2025', volume='47', issue='9', pageStart='1', pageEnd='249', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773970792882, creator=13701087609, updateTime=1773970911747, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241687258093375901, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241687258093375902, tenantId=1146029695717560320, journalId=1227999626482147330, issueId=1241686759470329942, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=138, endPage=145, ext={EN=ArticleExt(id=1241686765187166342, articleId=1241686764876787842, tenantId=1146029695717560320, journalId=1227999626482147330, language=EN, title=Design and mechanical performance analysis of intelligent bearings for rolling mills embedded with multi-source microsensors, columnId=null, journalTitle=Journal of Mechanical Strength, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Aiming at the limitations of current monitoring methods in the accuracy of early fault diagnosis for rolling mill bearings, a structural design method for intelligent rolling mill bearings based on embedded multi-source microsensors was proposed.A multi-source microsensor module integrating temperature and acceleration signals was developed, and an optimized layout structure of axial sensing leads in the bearing housing was designed, breaking through the bottleneck of sensor integration under the space constraints of traditional bearings. A mechanical performance evaluation system for the slotted structure was established, and the reliability of the intelligent structure was verified through strength check and service life calculation.The results showed that when the slotted area was 10 mm×5 mm, the maximum equivalent stress was 99.71 MPa,which had sufficient safety margin compared with the material yield limit; the maximum overall deformation of the structure was only 0.24 mm, and the local deformation was less than 0.02 mm, with the theoretical service life consistent with that of conventional bearings. The optimized intelligent bearing ensured monitoring functionality while meeting industrial application requirements in terms of structural strength and service life. The research results not only provide a high-precision monitoring method for early fault diagnosis of rolling mill bearings under extreme working conditions but also achieve an integrated"monitoring-structure" process through embedded design. Its strength check standards and service life evaluation methods can directly guide the transformation and upgrading of intelligent bearings in industrial sites, holding significant engineering value for improving the operation and maintenance efficiency of rolling production lines.
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针对现在监测方法在轧机轴承早期故障诊断精度上的局限性,提出了一种基于嵌入式多源微传感器的轧机智能轴承结构设计方法,开发了集成温度和加速度信号的多源微传感器模块,并设计了轴承座轴向传感引线优化布局结构,突破了传统轴承空间受限下的传感集成瓶颈。建立了开槽结构的力学性能评估体系,通过强度校核与寿命计算验证了智能结构的可靠性。结果表明,开槽区域为10 mm×5 mm时的等效应力最大为99.71 MPa,较材料屈服极限具有充分安全裕度;结构整体最大变形量仅为0.24 mm且局部变形量小于0.02 mm,理论寿命与常规轴承保持一致。优化后的智能轴承在保证监测功能的同时,结构强度与寿命均满足工业应用要求。研究成果不仅为极端工况下轧机轴承早期故障诊断提供了高精度监测手段,更通过嵌入式设计实现了“监测-结构”一体化流程,其强度校核标准与寿命评估方法可直接指导工业现场智能轴承的改造升级,对提升轧制生产线运维效率具有重要工程价值。
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, authorsList=吝水林, 胡博文, 邢建康, 周美华, 孙建亮, 彭艳)}, authors=[Author(id=1241810802450174299, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=linshuilin@ysu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1241810802546643301, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, authorId=1241810802450174299, language=EN, stringName=Shuilin LIN, firstName=Shuilin, middleName=null, lastName=LIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
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1.燕山大学 机械工程学院,秦皇岛 066004
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吝水林,男,1991年生,河北邯郸人,博士,讲师,硕士研究生导师;主要研究方向为轴承故障机制与动力学;E-mail:linshuilin@ysu.edu.cn。
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吝水林,男,1991年生,河北邯郸人,博士,讲师,硕士研究生导师;主要研究方向为轴承故障机制与动力学;E-mail:linshuilin@ysu.edu.cn。
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1.燕山大学 机械工程学院,秦皇岛 066004
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1.School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
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1.燕山大学 机械工程学院,秦皇岛 066004
2.燕山大学 国家冷轧板带装备及工艺工程技术研究中心,秦皇岛 066004, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1241810801837805874, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, xref=1., ext=[AuthorCompanyExt(id=1241810801846194483, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810801837805874, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.Beizhou (Luoyang) Technology Co., Ltd., Luoyang 471000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1241810803679105470, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, authorId=1241810803473584555, language=CN, stringName=周美华, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China
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1.燕山大学 机械工程学院,秦皇岛 066004
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1.燕山大学 机械工程学院,秦皇岛 066004)]), AuthorCompany(id=1241810801955246395, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, xref=2., ext=[AuthorCompanyExt(id=1241810801963635005, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810801955246395, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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43(3):509-516.(In Chinese), articleTitle=Research status of smart rolling bearing monitoring methods, refAbstract=null)], funds=[Fund(id=1241810809408525088, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=2024YFE0114600, language=EN, fundingSource=National Key Research and Development Program(2024YFE0114600), fundOrder=null, country=null), Fund(id=1241810809504994084, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=2024YFE0114600, language=CN, fundingSource=国家重点研发计划(2024YFE0114600), fundOrder=null, country=null), Fund(id=1241810809588880169, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=52475409, language=EN, fundingSource=National Natural Science Foundation of China(52475409), fundOrder=null, country=null), Fund(id=1241810809706320689, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=52475409, language=CN, fundingSource=国家自然科学基金项目(52475409), fundOrder=null, country=null), Fund(id=1241810809832149817, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=E2025203126, language=EN, fundingSource=Natural Science Foundation of Hebei Province(E2025203126), fundOrder=null, country=null), Fund(id=1241810809974756166, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=E2025203126, language=CN, fundingSource=河北省自然科学基金项目(E2025203126), fundOrder=null, country=null), Fund(id=1241810810083808075, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=ZD2022044, language=EN, fundingSource=Scientific Research Project of Hebei Provincial Department of Education(ZD2022044), fundOrder=null, country=null), Fund(id=1241810810167694161, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, awardId=ZD2022044, language=CN, fundingSource=河北省教育厅科学研究项目(ZD2022044), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241810801837805874, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, xref=1., ext=[AuthorCompanyExt(id=1241810801846194483, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810801837805874, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.National Engineering Research Center for Equipment and Technology of Cold Strip Rolling, Yanshan University, Qinhuangdao 066004, China), AuthorCompanyExt(id=1241810801976217919, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810801955246395, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.燕山大学 国家冷轧板带装备及工艺工程技术研究中心,秦皇岛 066004)]), AuthorCompany(id=1241810802089464133, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, xref=3., ext=[AuthorCompanyExt(id=1241810802093658438, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810802089464133, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.北轴(洛阳)科技有限公司,洛阳 471000)]), AuthorCompany(id=1241810802294985038, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, xref=4., ext=[AuthorCompanyExt(id=1241810802307567952, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810802294985038, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.State Key Laboratory of Crane Technology, Yanshan University, Qinhuangdao 066004, China), AuthorCompanyExt(id=1241810802324345169, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, companyId=1241810802294985038, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4.燕山大学 起重机械关键技术全国重点实验室,秦皇岛 066004)])], figs=[ArticleFig(id=1241810805797229131, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.1, caption=
Multi-source microsensor, figureFileSmall=AvMLpwtdGKHw0GoPFEbo5g==, figureFileBig=U5AZGDncX0JTLBCBy0qUtA==, tableContent=null), ArticleFig(id=1241810805897892433, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图1, caption=
多源微传感器, figureFileSmall=AvMLpwtdGKHw0GoPFEbo5g==, figureFileBig=U5AZGDncX0JTLBCBy0qUtA==, tableContent=null), ArticleFig(id=1241810806044693078, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.2, caption=
Structure of the rolling mill bearing and roll system, figureFileSmall=qN6co9/jB4Z0oVzgCFGAcQ==, figureFileBig=tloNiP7f/ekAVVQYHXtzqQ==, tableContent=null), ArticleFig(id=1241810806145356380, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图2, caption=
轧机轴承及辊系结构, figureFileSmall=qN6co9/jB4Z0oVzgCFGAcQ==, figureFileBig=tloNiP7f/ekAVVQYHXtzqQ==, tableContent=null), ArticleFig(id=1241810806266991203, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.3, caption=
Overall slotted structure, figureFileSmall=szulOERXWGhO4JnjiKr+eg==, figureFileBig=eSXiBCk8n9vfn2goGQfzrg==, tableContent=null), ArticleFig(id=1241810806388626027, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图3, caption=
整体开槽结构, figureFileSmall=szulOERXWGhO4JnjiKr+eg==, figureFileBig=eSXiBCk8n9vfn2goGQfzrg==, tableContent=null), ArticleFig(id=1241810806510260855, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.4, caption=
High-fidelity 3D model, figureFileSmall=UE0awNQ/dArpHsqhyUZldg==, figureFileBig=c06utrEJQ5BwoG/9w35Oqw==, tableContent=null), ArticleFig(id=1241810806619312764, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图4, caption=
高保真三维模型, figureFileSmall=UE0awNQ/dArpHsqhyUZldg==, figureFileBig=c06utrEJQ5BwoG/9w35Oqw==, tableContent=null), ArticleFig(id=1241810806724170370, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.5, caption=
Force of the simplified beam system, figureFileSmall=YkCL9XOCfTfE4ME8sxrQzg==, figureFileBig=aVAqQsnWjbYQ3AGss8fxoA==, tableContent=null), ArticleFig(id=1241810806816445062, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图5, caption=
简化梁系统受力, figureFileSmall=YkCL9XOCfTfE4ME8sxrQzg==, figureFileBig=aVAqQsnWjbYQ3AGss8fxoA==, tableContent=null), ArticleFig(id=1241810806946468489, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.6, caption=
Meshing of the finite element model, figureFileSmall=ETmPqdvZXt8VtU/kumYcqA==, figureFileBig=kVe5sawntloybwkicJvWBA==, tableContent=null), ArticleFig(id=1241810807072297617, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图6, caption=
有限元模型网格划分, figureFileSmall=ETmPqdvZXt8VtU/kumYcqA==, figureFileBig=kVe5sawntloybwkicJvWBA==, tableContent=null), ArticleFig(id=1241810807198126745, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.7, caption=
Total deformation result, figureFileSmall=1mpOk94xJMtPycii99gWAQ==, figureFileBig=qIM1y2Qj6qWSdSiwhXXbDw==, tableContent=null), ArticleFig(id=1241810807294595744, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图7, caption=
总变形结果, figureFileSmall=1mpOk94xJMtPycii99gWAQ==, figureFileBig=qIM1y2Qj6qWSdSiwhXXbDw==, tableContent=null), ArticleFig(id=1241810807386870440, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.8, caption=
Local stress distribution when the slotting size is 5 mm×5 mm, figureFileSmall=Vqqp4l92GdefmbNTjHee/w==, figureFileBig=YmmWOUoPZp+Xe2YYyeIu/Q==, tableContent=null), ArticleFig(id=1241810807479145135, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图8, caption=
开槽尺寸为5 mm×5 mm时的局部应力分布, figureFileSmall=Vqqp4l92GdefmbNTjHee/w==, figureFileBig=YmmWOUoPZp+Xe2YYyeIu/Q==, tableContent=null), ArticleFig(id=1241810807579808439, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.9, caption=
Local stress distribution when the slotting size is 5 mm×10 mm, figureFileSmall=g0ZB5DWy2Mo/oyQMj2VFHg==, figureFileBig=yVkYLGbFj3MfmUb7E2CaXA==, tableContent=null), ArticleFig(id=1241810807667888829, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图9, caption=
开槽尺寸为5 mm×10 mm时的局部应力分布, figureFileSmall=g0ZB5DWy2Mo/oyQMj2VFHg==, figureFileBig=yVkYLGbFj3MfmUb7E2CaXA==, tableContent=null), ArticleFig(id=1241810807776940741, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Fig.10, caption=
Local stress distribution when the slotting size is 10 mm×5 mm, figureFileSmall=fGjuBBCBXcOOYqbMBHVTHg==, figureFileBig=pditK6H/RrNVv3kYWk/wmg==, tableContent=null), ArticleFig(id=1241810807873409742, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=图10, caption=
开槽尺寸为10 mm×5 mm时的局部应力分布, figureFileSmall=fGjuBBCBXcOOYqbMBHVTHg==, figureFileBig=pditK6H/RrNVv3kYWk/wmg==, tableContent=null), ArticleFig(id=1241810807978267351, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Tab.1, caption=
Structural parameters of the rolling mill bearing
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 Parameter | 值 Value |
|---|
| 内径 Inner diameter/mm | 770 |
| 外径 Outer diameter/mm | 1 075 |
| 宽度 Width/mm | 770 |
| 滚动体直径 Rolling element diameter/mm | 80 |
| 滚动体宽度 Rolling element width/mm | 147 |
| 滚动体个数 Number of rolling elements | 147 |
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轧机轴承结构参数
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| 参数 Parameter | 值 Value |
|---|
| 内径 Inner diameter/mm | 770 |
| 外径 Outer diameter/mm | 1 075 |
| 宽度 Width/mm | 770 |
| 滚动体直径 Rolling element diameter/mm | 80 |
| 滚动体宽度 Rolling element width/mm | 147 |
| 滚动体个数 Number of rolling elements | 147 |
), ArticleFig(id=1241810808217342688, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Tab. 2, caption=
Operating condition parameters
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| 参数 Parameter | 值 Value |
|---|
最大轧制力 Maximum rolling force/t | 2 200 |
最大轧制速度 Maximum rolling speed/(m/min) | 1 250 |
支撑辊直径范围 Diameter range of the support roll/mm | 1 150~1 300 |
轴承使用温度 Operating temperature of the bearing/℃ | 50~80 |
轴承润滑方式 Lubrication method of bearings | 稀油循环润滑 Thin oil circulation lubrication |
支撑辊更换周期 Replacement cycle of support roll/d | 21 |
| 径向游隙 Radial clearance/mm | 0.22~0.32 |
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工况参数
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| 参数 Parameter | 值 Value |
|---|
最大轧制力 Maximum rolling force/t | 2 200 |
最大轧制速度 Maximum rolling speed/(m/min) | 1 250 |
支撑辊直径范围 Diameter range of the support roll/mm | 1 150~1 300 |
轴承使用温度 Operating temperature of the bearing/℃ | 50~80 |
轴承润滑方式 Lubrication method of bearings | 稀油循环润滑 Thin oil circulation lubrication |
支撑辊更换周期 Replacement cycle of support roll/d | 21 |
| 径向游隙 Radial clearance/mm | 0.22~0.32 |
), ArticleFig(id=1241810808364143337, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Tab.3, caption=
Material property
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| 参数 Parameter | 中碳铸钢 Medium carbon cast steel (ZG270-500) | 轴承钢 Bearing steel (GCr15) |
|---|
| 弹性模量Elastic modulus/MPa | 2.1×105 | 2.08×105 |
| 泊松比Poisson ratio | 0.3 | 0.3 |
| 密度Density/(kg/mm3) | 7.8×10-6 | 7.8×10-6 |
| 体积模量Volume modulus/MPa | 1.75×105 | 1.73×105 |
| 剪切模量Shear modulus/MPa | 80 769 | 80 000 |
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材料属性
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| 参数 Parameter | 中碳铸钢 Medium carbon cast steel (ZG270-500) | 轴承钢 Bearing steel (GCr15) |
|---|
| 弹性模量Elastic modulus/MPa | 2.1×105 | 2.08×105 |
| 泊松比Poisson ratio | 0.3 | 0.3 |
| 密度Density/(kg/mm3) | 7.8×10-6 | 7.8×10-6 |
| 体积模量Volume modulus/MPa | 1.75×105 | 1.73×105 |
| 剪切模量Shear modulus/MPa | 80 769 | 80 000 |
), ArticleFig(id=1241810808582247154, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Tab.4, caption=
Maximum stress under different grid densities
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| 网格密度 Grid density/mm | 最大应力 Maximum stress/MPa |
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| 0.3 | 98.92 |
| 0.5 | 99.71 |
| 0.8 | 101.21 |
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不同网格密度下的最大应力
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| 网格密度 Grid density/mm | 最大应力 Maximum stress/MPa |
|---|
| 0.3 | 98.92 |
| 0.5 | 99.71 |
| 0.8 | 101.21 |
), ArticleFig(id=1241810808808739583, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Tab.5, caption=
Maximum stress of different slotting sizes
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| 开槽尺寸 Slotting size/(mm×mm) | 最大应力 Maximum stress/MPa |
|---|
| 5×5 | 74.13 |
| 5×10 | 87.59 |
| 10×5 | 99.71 |
), ArticleFig(id=1241810808926180103, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=表5, caption=
不同开槽尺寸的最大应力
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| 开槽尺寸 Slotting size/(mm×mm) | 最大应力 Maximum stress/MPa |
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| 5×5 | 74.13 |
| 5×10 | 87.59 |
| 10×5 | 99.71 |
), ArticleFig(id=1241810809060397839, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=EN, label=Tab. 6, caption=
Classification of health status grades
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| 状态Status | 可靠度 Reliability | 状态描述 State description |
|---|
| 健康Health | (0.7, 1] | 各项工作指标均在正常范围内All work indicators are within the normal range |
| 良好Good | (0.5, 0.7] | 各项工作性能开始衰退Performance of all kinds of work began to decline |
| 轻微故障Minor fault | (0.3, 0.5] | 出现轻微故障,注意维护In case of minor faults, pay attention to maintenance |
| 严重故障Serious fault | (0, 0.3] | 工作指标异常,出现严重故障Work indicators are abnormal and serious faults have occurred |
), ArticleFig(id=1241810809190421267, tenantId=1146029695717560320, journalId=1227999626482147330, articleId=1241686764876787842, language=CN, label=表6, caption=
健康状态等级划分
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| 状态Status | 可靠度 Reliability | 状态描述 State description |
|---|
| 健康Health | (0.7, 1] | 各项工作指标均在正常范围内All work indicators are within the normal range |
| 良好Good | (0.5, 0.7] | 各项工作性能开始衰退Performance of all kinds of work began to decline |
| 轻微故障Minor fault | (0.3, 0.5] | 出现轻微故障,注意维护In case of minor faults, pay attention to maintenance |
| 严重故障Serious fault | (0, 0.3] | 工作指标异常,出现严重故障Work indicators are abnormal and serious faults have occurred |
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