预览加载中，请您耐心等待几秒...

基于ANSYSWorkbench立轴式冲击破碎机主轴的疲劳分析.docx

预览
1/3
2/3
3/3

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于ANSYSWorkbench立轴式冲击破碎机主轴的疲劳分析 Abstract ThispaperpresentsafatigueanalysisofthemainshaftofaverticalimpactcrusherusingANSYSWorkbench.Theaimofthisstudyistoevaluatethepotentialdamageandfatiguelifeofthemainshaft,andproviderecommendationsfordesignimprovements.Thefiniteelementmethodisusedtomodelthestructureandsimulatethestressdistributionunderoperationalconditions.Theresultsshowthatthemainshaftissubjectedtohighcyclicloadingthatcouldleadtofatiguefailure.Therefore,itisrecommendedtoredesignthemainshaftmaterialandgeometrytoimproveitsfatigueperformance. Introduction Verticalimpactcrushersarecommonlyusedinthecrushingindustryduetotheirhighefficiencyandlowenergyconsumption.Themainshaftisoneofthekeycomponentsofthecrusher,whichtransmitstherotationalmotionfromthemotortotherotor.Themainshaftissubjectedtohighstressandcyclicloadingduringoperation,whichcouldresultinfatiguefailureifnotdesignedproperly.Therefore,itisimportanttoevaluatethefatigueperformanceofthemainshafttoensureitsreliabilityandsafety. Inthisstudy,weinvestigatethefatigueperformanceofthemainshaftofaverticalimpactcrusherusingthefiniteelementmethod.ThesimulationmodeliscreatedusingANSYSWorkbenchsoftware,andthestressdistributionandfatiguelifeareanalyzedundervariousloadingconditions.Theobjectiveofthisstudyistoidentifythepotentialdamageandproposedesignmodificationstoimprovethefatigueperformanceofthemainshaft. Methodology Thefiniteelementmethodisusedtosimulatethestressdistributionandfatiguelifeofthemainshaft.ThemodeliscreatedusingANSYSWorkbench,andconsistsofa3Dsolidstructureofthemainshaft,bearings,andhousing.Themodelismeshedusingatetrahedralmeshwithasizeof10mmtoensureaccuracyandreducecomputationaltime.Thematerialpropertiesofthemainshaftareobtainedfromtheliterature. Thesimulationisperformedundervariousloadingconditionstoevaluatethefatigueperformanceofthemainshaft.Theloadingconditionsincludestaticloading,dynamicloading,andcyclicloading.Thestaticloadingisusedtodeterminethemaximumstressanddisplacementofthemainshaftunderthemaximumappli