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单头弧面分度凸轮实体建模新方法及运动仿真.docx

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单头弧面分度凸轮实体建模新方法及运动仿真 Title:ANovelMethodforSolidModelingandMotionSimulationofSingle-LobeCam Abstract: Single-lobecammechanismsplayacrucialroleinvariousmechanicalsystems,includingengines,pumps,andvalvesystems.Thispaperpresentsanovelapproachforsolidmodelingandmotionsimulationofsingle-lobecammechanisms.Theproposedmethodincorporatesadvancedtechniquestoaccuratelyrepresentthecomplexgeometryofthecamsurfaceandsimulateitsmotion.Theresultsdemonstratethefeasibilityandeffectivenessoftheproposedmethodindesigningandanalyzingsingle-lobecammechanisms. Keywords:single-lobecam,solidmodeling,motionsimulation,geometricrepresentation,mechanicalsystems 1.Introduction Single-lobecammechanismsareextensivelyusedinmechanicalsystemstoconvertrotarymotionintolinearoroscillatorymotion.Theaccuraterepresentationandsimulationofthecamsurfaceanditsmotionareimperativeforthedesign,analysis,andoptimizationofthesemechanisms.Traditionalmethodsforsolidmodelingandmotionsimulationofcammechanismssufferfromlimitationssuchasapproximationsinsurfacerepresentationandlackofaccuracyinmotionsimulation.Thispaperproposesanovelmethodthataddressestheselimitationsandprovidesamorerobustandaccuratesolution. 2.SolidModelingofSingle-LobeCam Thefirststepintheproposedmethodisthesolidmodelingofthesingle-lobecam.Anewapproachisintroducedtorepresentthecamsurfaceaccurately.Thecamprofileisapproximatedbyaseriesofarcsegments,whichcanyieldahighdegreeofaccuracyinmodelingthecomplexgeometryofthecam.Themethodincorporatesaparametricapproachtocontroltheshapeandsizeofthecamlobes,allowingflexibilityinthedesignprocess.Theaccuracyofthesolidmodelingisvalidatedthroughacomparisonwithatraditionalmodelingapproach. 3.MotionSimulationofSingle-LobeCam Thesecondstepintheproposedmethodisthemotionsimulationofthesingle-lobecam.Thecammechanismisanalyzedinavirtualenvironmenttosimulateitsmotionandevaluateitsperformance.Akinematicanalysisisconductedtodeterminethedisplacement,velocity,andaccelerationofthefollowerforagiveninputmotion.Theimpactofdifferentdesignparam