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1、毕业设计轻型货车变速器设计（4+1档）Designlighttruckgearboxdesign(4+1)Thepaperis66pages,thetotalnumberofwords:26885Datadescription:AO-lighttrucktransmissionoperatorassembly.DWGAO-lighttruckgearbox・DWGAO-lighttruckgearbox・DWGAl-lighttrucktransmissionshaft・DWGAl-lighttrucktransmissioninputshaft・DWGGra
2、duatedesignappointmentbook・DocGraduationdesignspecification:lighttrucktransmissiondesign(4+1)・docCover+ChineseandEnglishabstract+directory.DocChineseabstractThedesignofthislighttruckgearboxisdesignedtotesttheresultsoffouryearsofcollegeandlayasolidfoundationforfuturework・Transmission
3、functionanddesignrequirementsarediscussedinthepaper,thetransmissionisabletoalargenumberofinvestigationandstudy,andhascarriedonthepreliminaryschemecomparison,determinedaccordingtothedesignrequirementsforchosethreefourspeedtransmissionshaft,intermediateshaftfixed,reverseshiftwayusingt
4、hereversegearshaftslidinggearshift,andothergearadoptssynchronizergearshifting,accordingtotherequirementsoflighttrucksandoperatingmechanismtochooseremoteoperation.Thedeterminationofmainparametersandprovesthetransmission,thecalculationofthegeometricparametersofgear,list,theselectionof
5、materialofgear,gearstrengthcalculation,strengthcheck,thedesignofshaftstiffnessandstrengthcheck,theaxisofthematerialchoice,thechoiceofbearing,thechoiceofsplineandchecking・Thispaperbrieflyintroducestheorderofthegearboxandsummarizesthedesign.Thewholegraduationprojecttookmorethantwomont
6、hs,andwascompletedsuccessfullywiththeguidanceoftheteacherandtheenthusiastichelpofhisclassmates・Finally,Iwanttothanktheteachersandstudentswhohelpedmeduringmygraduation.Thisdesign,thecomputerandhand-draw4.5picturesof0,thetranslationofforeignlanguageinformation,theMATLABlanguageprogram
7、5,andtheeditor，smanua1.Keywords:lighttruck,gearbox,design,triaxialandreverseshaftTheABSTRACTThedesignofthislighttrucktransmission,themainpurposeistotesttheresultsoffouryearsofstudyintheuniversityandlayasolidfoundationforthefuturework.Thisdesignexplainedthefunctionofthetransmissionan
8、ddesignrequirements
