基于ANSYSWorkbench的深沟球轴承接触应力有限元分析

基于ANSYSWorkbench的深沟球轴承接触应力有限元分析*张福星1郑源2汪清1李杰1徐素红1辛华荣3吴忠31.2100982.2111003.215600ContactStressFEManalysisofDeepGrooveBallBearingBasedonANSYSWorkbenchZHANGFu-xing1ZHENGYuan2WANGQing1LIJie1XUSu-hong1XINHua-rong3WUZhong31.SchoolofWaterConservancyandHydropowerEngineeringHohaiUniversityNanjing210098China2.SchoolofEnergyandElectricalEngineeringHohaiUniversityNanjing211100China3.ZoumatangZhangjiagangConstructionSiteofJiangsuProvinceZhangjiagang215600China1001-3997201210-0222-03【】利用ANSYSWorkbench软件建立了深沟球轴承的三维非线性接触模型，对模型的边界条件进行合理的设置后，基于有限元的方法，在StaticStructural(ANSYS)中对深沟球轴承的接触应力和变形进行了仿真计算，得到了轴承滚动体和内、外圈不同部位接触应力和变形的分布。计算结果与Hertz理论解进行了对比，两者具有良好的一致性，说明了用ANSYSWorkbench分析滚动轴承接触问题是可行的，符合轴承在载荷作用下受力和变形的实际情况；有限元仿真计算的结果为滚动轴承的设计、优化和失效分析提供了参考依据，具有一定的工程实用价值。【Abstract】The3DnonlinearcontactmodelofadeepgrooveballbearingwasestablishedinANSYSWorkbenchsoftware.Withthereasonablesettingoftheboundaryconditionsthecontactstressanddefor－mationwerecalculatedinStaticStructuralANSYSbyusingthefiniteelementmethodandthecontactstressanddeformationoftheinnerring,theoutertingandtherollingelementswereobtained.FurthermorethecomputationalvaluesareconsistentwiththeHertzvalues.Theresultsshowthatsolvingthebearingcon－tactproblemwithANSYSWorkbenchsoftwareisfeasibleanditcoincideswiththestressanddeformationoftheactualsituation.TheFEMresultsprovidereferenceforthedesignoptimizationandfailureanalysisofrollingbearingsandhavepracticalengineeringvalue.KeyWordsDeepGrooveBallBearingContactStressFEMNonlinearTH16TH133.33A＊2011-12-14＊GHME2011CX021、[1]7030%[2]。、[3]。、。、、[4]。ANSYSWorkbench。2HertzHertz、[5]1Hooke23。Hertz、Hertz1。。Σρ=ρ1+ρ1+ρ2+ρ21Eρ=ρ1-ρ1＊＊+ρ1-ρ1＊＊Σρ2MachineryDesign＆Manufacture机械设计与制造第10期2012年10月222a=na2ηQ2ΣρΣΣ1/33b=nb2ηQ2ΣρΣΣ1/34δ=n5932η2Q2ΣΣΣρ1/35PO-1πnanb32ΣρηΣΣ222Q1/3-2Q2πal26Q=2FrZcosα=sFrz7ρ—r1、r1、r1、r2Q—Fr—Σρ—na、nb、n5—Fρα—0°Z—。zbyaPP0xyx12Hertz619151。5061MPaδ=0.0458mma=1.740mmb=0.339mm5070MPaδ=0.0486mma=1.454mmb=0.405mm。mmmmmmkNrad/sGPa751058.7311822.5106.92070.333.1ANSYSWorkbenchDesignModeler61915。[6]。1mm、2mm。[7]。778551372382。3.2。、。。。3。3.3-[1]711234。、-、。0.20.7。4。3第10期张福星等：基于ANSYSWorkbench的深沟球轴承接触应力有限元分析22343.4、5、6。5335.4MPa0.052mma=1.832mmb=0.396mm5297.7MPa0.043mma=1.641mmb=0.454mm。564、、Hertz2。2Hertz。、。。。、Hertz。。[8]。。Hertz5061MPa5335.4MPa5.14%0.0458mm0.052mm11.92%1.740mm1.832mm5.02%0.339mm0.396mm14.39%5070MPa5297.7MPa4.29%0.0486mm0.043mm13.02%1.454mm1.641mm11.39%0.405mm0.453mm10.79%51Hertz61951、。。2HertzHertz。3CAE。。1.J.2007670-72.2.J.2007490-95.3.J.2011273:64-66.4.ANSYSJ.201085-7.5.M.2008.6.J.200810:62-64.7.ANSYSWorkbench12M.2010.8.J.2007314:458-461.机械设计与制造No.10224