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外文翻译差速器壳体工艺及工装设计.doc外文翻译差速器壳体工艺及工装设计.doc -- 5 元

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编号:201311171417466514    大小:143.50KB    格式:DOC    上传时间:2013-11-17
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DifferentialshellprocessandboringtoolingdesignThemotorcarenginepowertransmissionshaftandtheclutch,andfinallytodrivearoundagainassignedhalfshaftdrivewheels,inthisarticle,thedrivepowertransmissionway,itisthefinalassemblyofthemainpartsisreduceranddifferential.Gearreducerisincreased,thefunctionoftorqueandcompletelyongearmeshinggears,betweenareeasytounderstand.Butmoredifficulttounderstanddifferential,what,why"differentialdifferential"?Thecarisdrivencardifferentialmainparts.Itisinthepowerofbothhalfshafttransmissionshaft,allowingbothhalfwithdifferentspeedspinningwheels,satisfybothpurerollingformaspossible,reducingequi-distantnottireandgroundfriction.SpiderdiagramObjectgraphtheorydifferentialfunctionalAttheturnofthecarwheeltrackline,ifthecariscirculararc,turnleftatthecenter,andatthesametime,thewheelswentarclength,thewheelsthantobalancethedifference,left,andrightwheelwheelsslowlySlipdifferentialFaster,withdifferentspeedupthedistance.Ifyoumakeawholeafterwheel,canaccomplishonbothsidesofthewheelspeeddifference,isalsodoesnothaveanautomaticadjustment.Inordertosolvethisproblem,ahundredyearsago,FranceRenaultautomotivecompanyfounderluisRenaultwilldesignadifferentialthisthing.SlipdifferentialconstituteOrdinarydifferentialplanetarywheelplanetarygear,byplane(differentialshell),halfaxlegearpartsetc.ThepoweroftheengineintothedifferentialtransmissionStructurePlanetarywheelframe,drivendirectlybytheplanetswheeldrive,rightandlefttwohalfshaft,wheeldriveleftandright.Meetthedesignrequirementsofdifferential(left)andtheshaftspeed(right)=2(axialrotationalspeed)planetroundframe.Whenthecargoes,left,rightwheelandplanetarywheelframeofequalspeed,andinastateofequilibriuminthebalanceamongcarwhenturningroundtodestruction,reducethespeed,thewheelspeedincrease.StructurePrincipleThisadjustmentisautomaticdifferentialhere,involves"minimalenergyconsumptionprinciple",namelyearthallobjectsaretendtominimumenergy.Suchagrainofbeansinabowl,beanswillautomaticallystaysinthebowlbottomandneverstayinthebowlwall,becausethebowlbottomisthelowestenergy(potential),itautomaticallyselectstatic(minimum)withoutenergy.Inthesameway,A3deffectWheelinturningalsowillbethelowestpowerconsumptiontendency,automaticallyadjustedaccordingtoturnradiusofthewheelspeedaround.Whenturningwheel,becausethepullofthephenomenon,themedialwheelslipphenomenon,twodrivingwheelatwillproducetwooppositedirectionofadditionalforce,duetothe"principleofminimalenergyconsumption,willinevitablyleadtothewheelspeeddifferentsides,thusdestroyedthebalancebetweenthreeandhalfshaftarereflectedbythehalfaxlegearplanetarygears,forcedtoproducethehalfshaftrotationspeed,speed,themedialaxisspeedslowspeed,soastorealizethedifferenceonbothsideswheels.Ifthedrivewheelsonbothsidesofthedriveshaftwithawholerigidconnection,onlytwowheelsatthesameAnglerotation.So,whenthesteeringwheel,duetothelateralthaninsidethedistancemovedacrossthewheels,willmakethescrollwheelontheslide,anddragonthescrollwheelinsidetheslip.Eventhecarrunstraightroadgravamen,becausealthoughflattiresurfaceorrollingradius(butrangingfrommanufacturingerror,weardifferenttyres,rangingfromunevenpressureorcarryingofslidingwheel)andcause.Whenthewheelslidingtirewear,notonlyaggravateincreasedpowerandfuelconsumption,stillcanmakesteeringdifficulties,brakingperformancedeteriorated.Asforthewheels,anddoesnotoccurinstructureslidingmustensureeachwheelatdifferentanglescanrotate.Axisbetweendifferentialdrivenwheelsusuallyusebearingspindlesupportinthe,canatanyAnglerotation,anddrivewheelswithtwoandhalfshaftrigidconnection,betweentwoandhalfshaftwithdifferential.Thedifferentialandcalledshaftbetweendifferential.Manyofthedriveshaft,andtomakeeachoff-roadvehicledrivetodifferentvelocityrotating,inordertoeliminatethebridgeofthedrivewheels,someintwoaxlesslidingbetweenbetweenshaftwithdifferential.Differentialinspection1differentialshelldoesn'thaveanypropertiesofcrack,shellandplanetarygeardifferentialhalfshaftwasher,contactbetweengear,shouldbesmoothwithoutgroove,Ifthereisaslightgrooveorwear,cancontinuetouseaftergrinding,orshouldbereplacedorberepaired.2theplanetarygeardifferentialshellandplanetarygearwheelwhenthefittingclearanceshallnotgreaterthan0.1-0.15mm,halfaxlegearshaftneckandshellholeforclearance,withnoobviouslooselabelsshouldbereplacedorfeeling,orrepair.Shell'sprocessingtechnologyTheprocessingqualitynotonlyaffectsshell,theassemblyprecisionandaccuracy,butalsoaffectsthemovementofthemachineworkingaccuracy,performanceandlife.Therearemanykindsofshellstructure,itssizeandformwiththestructureofthemachineandtheshellinmachinehasthedifferentfunction.Buttheyremainontheanalysisfromthecrafthadalotincommonanditsstructurefeaturesare:(1)appearanceisbasicallycomposedofsixorfiveplaneagainintotheclosed-endpolyhedron,integralandcombinedtwo,(2)structureshapeismorecomplex.Insidethecavityisoften,someplaces"partitionwall,shellanduneventhicknessthin.(3)shellwallsareusuallydecoratehaveparallelholeorverticalhole,(4)ontheshell,mainprocessingisthenumberofplane,inadditiontomanyhigheraccuracyandprecisionofsupportingbearingwithlessdemandingtightenpore.Shellpartstechnicalrequirements:(1)bearingsupportsizeprecisionandaccuracy,surfaceroughness,requirements,(2)positionprecisionincludingholeaxisofthedistancebetweenthedimensionprecision,thesameaxisparalleldegreeineachhole,andKongDuanfacingthecoaxialtoleranceofverticalaxisholes;etc.(3)tomeettheneedsandpositioningoftheshellprocessingmachineassemblyrequest,shellandassemblyofshellwiththedatumplanepositioningdueandcertaindegree,andthesurfaceroughnessrequirements,Thebearingholeandassemblingacertaindistancebetweendatumduetotheaccuracyrequirementofthesize.
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