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SCIENCE&TECHNOLOGYINFORMATION201017(400037)【】,,,TT。。【】;;;MethodologyofThreadStressDistributionAnalysisandCaseStudyGUOWei-fanHUANGWen-jian(ChongqingvocationalInstituteofEngineering,Chongqing,400037,China)【Abstract】Thisarticleshowsthecomparisonanalysisofloaddistributiononthreadwhenboltandnutareunderthreedifferentstressconditionsincludinganormalthreadedconnection,aextrusionboltwithTnutandacompressionboltwithTnut,throughfreespringsystemsimulationonthreadedconnection.Finallytheanalysisresultwillbeappliedtoanalyzethefailureofathreadtransmission.【Keywords】Thread;Stress;Analysis;Application0。。,。。,。,。1,。。[1]。[2]。[3]。,。,。,[4]。1Fig.1DiagramofThreadStressonExtrusionBolt,。,。,。,。,。。,。2Fig.2DiagramofThreadStressonCompressionBolt1,,,2。,,。T,3,,。,[5]。3TFig.3DiagramofThreadStressonExtrusionandCompressionBoltwithTNut1,。。。4。。。。,,。4Fig.4SimplifiedModuleofExtrusionBoltStress,5。KA,ka,KB,kb。:[K]{X}={F}○○70201017SCIENCE&TECHNOLOGYINFORMATION●[K],,{X}7,{F}。5Fig.5SimulationDiagramofExtrusionBoltSpringSystem[K]{F},{X}。。234.3,44.7,5.7,,,。,,[K],。6,,。。,,。7,,。,。,T。6Fig.6ThreadStressDistributionunderDifferentLoadCondition7Fig.7ThreadStressDistributiononNormalExtrusionBoltwithDifferentThreadType3,,,3。35。。,。,,。。,。T,T。,,。,,。,。,。T。。。,,。,。,,。,T。T。,,。4。,。,。,。,,。【】[1]Hetenyi,M.,“TheDistributionofStressinThreadConnections”,Proc.SESA,Vol.1,No.1(1943),p.147.AlsoTransASME,Vol.65(1943),AppliedMechanicsSection,pp.A-93.[2]Miller,D.L.,K.M.Marshek,andM.R.Naji,“DeterminationofLoadDistributioninaThreadConnection,”MechanismandmachineTheory,Vol.18,No.6,pp.421-430,PergamonPress,England,1983.[3]Bretl,J.L.,Cook,R.D.,“FiniteElementAnalysisofThreadedConnections”,ASMEpublication80-DE-1,PresentedattheDesignEngineeringShow,Chicago,Ill,March1980.[4]YokoyamaT.,OishiK,KimuraM,IzumiS,SakaiS.,“EvaluationofLooseningResistancePerformanceofConicalSpringWasherbyThree-dimensionalFiniteElementAnalysis,”J.SolidMechMaterEng2008,2(1):38-40.[5],.,..,1989.[:]○○71
本文标题:螺纹受力分布分析方法及其应用实例-郭卫凡
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