3598351603(400044),,,I-DEAS,,TH132.410,,,,,,,,,,,MSCöNASTRAN,MARC,ANSYS,I-DEASNASTRAN[1]NobuoTakatsu[2],,,,I-DEASMasterSeriesTM6.0,,1()(),ZD-10,,,,,,I2DEAS(MappedMeshing),,,,,(FreeMeshing),,,,I2DEASAPPEND,,,1[3]1k(Nöm)3.361083.431083.731083.451081,,,51099,76219,1,,2I2DEAS,[M]{Xõõ}+[C]{Xõ}+[K]{X}={F(t)}(1)[M],[C],[K]{X},{X},{X}542000No.3{F(t)}-{X}={x1x2xn}T{F(t)}={f1f2fn}T,{F(t)}={0},,,,,[M]{Xõõ}+[K]{X}={0}(2)([K]-X2[M]){X}={0}(3)X(3),I2DEAS,:Lanczos,GuyanReduction(SimultaneousVectorIteration,SVI)Lanczos,GuyanSVI,,SVI,;Guyan,,,,,,,;SVI,Guyan,,,,31,,,,510,20,21026210(Hz)1734.72957.731027.241340.151488.2+61513.0+71778.482281.792338.4102346.8(a)(b)(c)(d)(e)(f)24(1),(2),,(3),:1..,1989,10(4):4394442NobuoTakatsuetal.AnalysisandExpermentontheVibrationTransmissioninaSingleStageGearbox.JSMEInternationalConferenceonMotionandPowertransmissions,1991,(10):1041093.:[].:,1999.4.:[].:,1999.,,1964,642000No.3ModelAnalysisofGearSystembyFiniteElementMethodTaoZeguangLiRunfangLinTengjiao(ChongqingUniversity,Chongqing,China)P45AbstractGearsystemconsistsoftransmissionsystemandstructuralsystem.Thetwosystemsarecoupledbybearing.ThedynamicmodelofsinglestagereducerisestablishedbyFEMinthispaper.ThenormalcharacteristicsofthegearsystemareinvestigatedbyI2DEASsoftware.Theresultsshowthedynamicperformanceofthesystemandlayfoundationforcalculationofdynamicresponse.KeywordsGearSystemModalanalysisFiniteelementmethodModelingDesignofK-H-VInvolutePlanetaryGearDriveWithFewTeethNumberDifferenceandComputer-AidedDesignYeZhigangZouHuijun(ShanghaiJiaoTongUniversity,Shanghai,China)WangPingHouMuying(NeimengguUniversityofTechnology)P47AbstractForK2H2Vinvoluteplanetarygearreducerwithsmalltoothnumberdifference,theoptimumdesignmathematicalmodelissetup,thesoftwaresystemforauto2designanddrawingofreducerwithsmalltoothnumberdifferenceisdeveloped.Inordertoenhancepass2rateofproducts,bindingconditionsundersuchcircumstancesthatinternalgearismachiningbynewandoldcuttersareconsideredsynthetically.Inaddition,CADisutilizedduringverifyingintensityandlife2spanofmaintransmittedcomponentsofreducerwithsmalltoothnumberdifference.Bytestingweakpartssomeparametersareadjusted,inordertofastandaccuratelydeterminespecificationandversionofstandardizedcomponents,andmainsizeofothertransmittedcomponents.Thispapersetupthedatabaseofseriesplansofreducerwithsmalltoothnumberdifference.Byanalyzingcorrelativetheoryandcalculating,thesimulationsoftwareofinternalgearpairmeshingisdeveloped.KeywordsK2H2VinvoluteplanetarygeardrivewithfewteechnumberdifferenceOptimumdesignComputer2aideddesignAStudyonGearCalculatingStressCorrectingFactorsBasedonBPNeuralNetworkBiChunchangDingYuzhan(UniversityofScienceandTechnology,BeiJing,China)P50AbstractSincethecomplexityofcalculatingdynamicfactorandtoothformfactor,thecalculationofgearcalculatingstressisinconvenient.InthispaperaapproximatealgorithmtodynamicfactorandcombinedtoothformfactorisproposedbymeansofBPneuralnetworkmapping,soastodecreasecalculationscaleofthemandimprovecalculationefficiencyofgearcalculatingstress.Theresultsshowthatthismethodisfeasibleandhighefficient.KeywordsGearNeuralnetworkDynamicfactorCombedtoothformfactorTheToothmeshandtheEffectAnalysisofErrorsfortheDoubleInvoluteHelicalGearsYuFujin(TechnologySchoolofJinhua,China)P53AbstractInthispaper,thegenerationandgeometryofdoubleinvolutehelicalgearshavebeeninvestigated.Computeraidedtoothcontactanalysishavebeenrealized.Thecontactlinesofdoubleinvolutehelicalgearshavebeencomparedwiththeinvolutehelicalgears.Theeffectsofmanufacturingandassemblyerrorsongearshavebeenanalyzed.Themethodofthecontactdislocationandkinematicserrorsinducedbymanufacturingandassemblyerrorshasbeenpresented.KeywordsDoubleinvolutehelicalgearToothmeshinganalysisLineofcontactEngagementerrorsTheEffectofLubricatingOilAdditivesonContactFatigueChenMing(ShanghaiJiaoTongUniversity,Shanghai,China)P56AbstractWestudytheinfluenceofinteractionofborate,chlorinatedparaffinandZDDPon45steelcontactfatiguewithmultigradeloadingfatiguetestmethodonhighspeedrollingcontactfatiguetesterwhichreequipedfromafourballtester.Theresultsshow,becauseofitsanti2frictionandanti2corrosionproperties,theadditiveboratemixedwithchlorinatedparaffinandZDDPimprovesthecontactfatiguelifeof45steelwiththepremiseofkeepingEPpropertyoflubricant.And,webelievethatstudyontheinteractionofmultipropertyadditivesisanaffectiveandpromisingmethodthatimprovestheeffectoflubricatingoilandadditivesoncontactfatigueofmetalmaterialandparts.KeywordsContactFatigueLubricatingoiladditivesInteractionofadditivesModelingforFrictionMeasurementofMicroJournalBearingsWithCableBreakPrincipleYaoZhenqiangTaoYiminZhangQiZhangXueping(ShanghaiJiaoTongUniversity,Shanghai,China)P58AbstractFrictionforceandfrictioncoefficientofmicrojournalbearingismeasuredanddeterminedbymeansofcablebreakprinciple,whicheliminatestheadverseinfluenceofmicrodimensionvalueofthejournalradiusonthevalueoffrictiontorque,andhenceimprovesthemeasuringsensitivity.Themathematicalmodeltodeducefrictioncoefficientfromthetensionforceofthesoftcableisdevelopedbymechani