过盈配合应力的接触非线性有限元分析

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(200331)MARC,,,,,U2600,,,,,,,,,[1],,,,[2],,,,,[2],,MARC,,,,11.1,,,,,,,,,,,,,[3],,,,,,,,,,[4],1.2,,MARC,,,,,,,MARC,22.1MARC,5190mm,332000No.1©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=0.2mm42822792,3D=0.2mm,4D=0.2mm282279,5,6,,3,2.2.22.2.2.12123D0.15mm0.20mm0.25mm,112233,,4282279,,,,,60100MPa,,,,,,,,,,,,[1]56432000No.1©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=0.20mmL=00.10.150.2,,,,,2.2.2.461D=0.20mm,20.05mm,30.05mm,4D=0.25mm4,,,,,3(1)MARC,;(2),0.2mm;;,;(3),;(4)1,..:,19902,,..,1998,20(1):45513,..,19934MARC.,:1997,19778,,CAD(25)2xAyAL1L2L3EBDSE3.644.561.645.923.412.5815.5025.310.128933,5,,1UllahI,KotaS.OptimalSynthesisofmechanismsforpathgener2ationusingFourierdescriptorsandglobalsearchmethods.ASMEJournalofMechanicalDesign,1997,119(4):5045102WatanabeL.Applicationofnaturalequationstothesynthesisofcurvegeneratingmechanisms.MechanismandMachineTheory,1992,27(3):2612733McCarvaJR.Rapidsearchandselectionofpathgeneratingmechanismsfromalibrary.MechanismandMachineTheory,1994,29(2):2232354,,..,1995,31(1):42475,,,.B.,1998,34(3):72796ErdmanAG.ModernKinematics:DevelopmentsinthelastFortyYears.NewYork:JohnWileyandSons,1993.7MichalewiczZ.GeneticAlgorithms+DataStructures=EvolutionPrograms.BerlinHeidelberg.SpringerVerlag,1996.8,,,..:,1996.9,,.().:,1997.,193410,,;;8,20,100532000No.1©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ShanghaiJiaoTongUnivevsity,shanghai,China)HouMuyingWangPing(InnerMongoliaPolytechnicUniversity)P28AbstractFortheimperfectionofresearchonslottingexternalgearstoothshapecoefficient,thispaperusedrela2tivemotiontheoryforconcludingmodelsofslottingexternalgearsdedendumtransitioncurveandtoothshapecoeffi2cient.Itdiscussedtheeffectofslottingcuttertoothnumber,shiftcoefficientandaddendumroundedcornerradius,mesh2inggeartoothnumberandshiftcoefficientforslottingex2ternalgearstoothshapecoefficient.Atthesametime,itcomparedslottingwithbobbingandfoundthedifferencebe2tweenthem.Theresultthattoothshapecoefficientofslot2tingbigshiftgearissmallerthanbobbingsandotherwisesmallshiftgearhadbeenrcceived.Soslottingbigshiftcoef2fcientgearwillhaveadvantagesforimprovinggearbendingstrength.KeywordsSlottingmachiningToothshapecoeffi2cientRelativemotionDedendumtransitioncurveAnalysisontheReturnErrorofCycloidalPin-WheelSpeedReducerYaoWenxizhangZhiqiangHuangWei(BeijingInstituteofMachinery,Beijing,China)P30AbstractForcycloidalpin2wheelspeedreducerswhicharemainlyusedtotransfermotions,thereturnerrorwillbeoneofthefactorsinfluencingtheiruseperformance.Inareducerthereturnerrorisafunctionofmanufactre,as2sembleandprincipleerrors(suchastoothprofilemodifica2tion)oftheunitparts.Thecomputationshowsthat,al2thoughitgivesthelessinfluencetothetransmissionerror,thetoothprofilemodificationgivesthelargerinfluencetothereturnerror.KeywordsCycloidalpin2wheelspeedreducerRe2turnerrorNonlineraFEMAnalysisoftheContactStressonInterfer-enceFittingsurfaces(SahanghaiRailwayUniversity,Shanghai,China)P33XuXiaoqiangZhaoHonghunAbstractBasedontheNonlinearFEAsoftwareMARC,thedynamicandstaticmethodsareputforwardinthispapertosimulatethecontactstressontheinterferencefittingsurfaces,themethodsareappliedtostudythecontactstressofahighspeedwheelset,theresultsarecomparedwitheachother,andtheinfluenceoffittolerancefrictionfactorandshapeerrorisdiscussedindetail.theresultsplayareferencedroleindecidingtheproperfittoleranceandim2provingmanufacturaltechnology.KeywordsInterferencefittingContactnonlinearContactstressStudyonStressinDiagonalRollingMillingBallDongHongzhiLinZhongqinChenWeiChenGuanlong(ShanghaiJiaoTongUniversity,Shanghai,China)XueLongquan(XianUniversityofTechnology)P36AbstractTheforcedistributionimposedonthecon2nectingneckisanalyzedaccordingtotheearlyfailure,oneofrollingdefectsinscrewgroovediagonalrollingsphericalcastiron.Takenthemillingballof30mmsphericalcastironastheexample,thechangingcurvesoftheconnectingnecksunderthreeconditionsarepresentedandthepositionsofthemaximumstressarejudged.Thecalculationresultsaresatisfactoryaccordingtoanalyzingtherolledproducts.KeywordsDiagonalrollingConnectingneckTensilestressTheGrooveStructureandItsSelectionofLinearMotionRollingGuideYanXiaoguang(HuazhongUniverstityofScienceandTechnology,Wuhan,China)P39AbstractDescribesthegrooveformation,sectionandgroovearrangement,bearingperformanceandapplicationscopeoflinearmotionrollingguideincommonusewithmonoblockslideandballrollingelement,togetherwiththeassociateddesignconsiderationtothepointforuserstochooserollingguide.KeywordsLinearmotionrollingguideGroovestructureApplicationscopeTheApplicationandResearchofCo