汽车变速器外文翻译.docx

汽车变速器外文翻译.docx

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汽车变速器外文翻译

外文翻译

AutoTransmission

First,anoverviewofautomotivetransmissionandthedevelopmenttrend

Automobileavailablemorethanacentury,especiallyfromthemassproductionofmotorvehiclesandtheautomotiveindustrysincethedevelopmentoflarge,Carhasbeentheeconomicdevelopmentoftheworldformankindtoenterthemodernlifeandhavehadatremendousimpactontheimmeasurable,Theprogressofhumansocietyhasmadeindeliblecontributionstothegreat,epoch-makingsetoffarevolution.FromFromthevehicleasapowerplantusinginternalcombustionenginetostart,autotransmissionhasbecomeanimportantcomponent.IsGenerationiswidelyusedinautomotivereciprocatingpistoninternalcombustionenginewithasmallsize,lightweight,reliableoperationandtheuseofTheadvantagesofconvenience,butitstorqueandspeedrangeofsmallerchanges,andcomplexconditionrequirestheuseofmotorvehiclesTractionandthespeedcanbeconsiderablechangesinthescope.Therefore,itsperformanceandvehicledynamicsandeconomyofTherearelargeinter-contradictions,whichcontradictionsofmodernautomotiveinternalcombustionenginebyitselfisinsoluble.BecauseHere,intheautomotivepowertrainsetupthetransmissionandmainreducerinordertoachievethepurposeofdecelerationbymoment.SpeedThemainfunctionofperformance:

⑴changegearratioofmotorvehicles,andexpandthewheeldrivetorqueandrotationalspeedoftheFanWai,inordertoadapttoconstantlychangingdrivingcycle,whiletheengineinthemostfavorableconditionswithinthescopeofwork;⑵nochangeinthedirectionofenginerotation,underthepremiseoftherealizationofcarsdrivingback;⑶therealizationofthefree,temporaryInterruptionofpowertransmission,inordertobeabletostarttheengine,idling,etc..Variable-speeddrivetransmissionbythemanipulationofinstitutionsandagencies.ChangethetransmissionratiobywayoftransmissionisdividedintoThereareclass-type,non-stageandmulti-purposethree.Haveclassmostwidelyusedtransmission.Itusesgeardrive,withanumberoftransmissionratiosetting.SteplesstransmissionContinuouslyVariableTransmission（CVT）transmissionratioofacertainTheframeworkofmulti-levelchangesmaybeunlimited,thereisacommontypeofpowerandtorque（dynamicfluid-type）andsoon.ContinuouslyVariableTransmissionTransmissiondevelopmentistheultimategoal,becauseonlyitcanmakethemosteconomicalengineinworkingconditionCanprovidethebestvehiclefueleconomyandoptimalpowerinordertoprovidethemostcomfortableBythefeeling.Today'sCVTisatypicalrepresentativeoftheCVTandIVT,howeverasaresultofthereliabilityofPoor,non-durablematerialsandhighcostissues,developmentisnotverygood.ComprehensivereferstotransmissiontorqueconverterandthemechanicalcomponentshavetheleveloftransmissionvariablehydraulicmechanicalSpeed,thetransmissionratiocanbebetweenthemaximumandminimumrangeofafewdiscontinuouschangefornoclass,butitsSignificantlylowertransmissionefficiencythantheefficiencyofgeardrives.2Bymanipulation,transmissioncontroltypecanbedividedintomandatory,automaticandsemi-automaticcontroltomanipulatethree-Species.MandatoryonthedrivertomanipulatethedirecttransmissiongearshiftcontrolforthemajorityofmotorvehiclesusedAlsoknownasManualTransmissionManualTransmission（MT）.Automatictransmissioncontrolselectionofthetransmissionratio（transmission）iscarriedoutautomatically.JustaddthedrivertomanipulateSpeedpedal,youcancontrolthespeed,alsoknownasAutomaticTransmissionAutomaticTransmission（AT）.ItisAccordingtothespeedandload（throttlepedaltravel）fortwo-parametercontrol,stallinaccordancewiththeabovetwoParameterstoautomaticallytake-offandlanding.ATandMTincommonisthattheyareleveltransmission,butATAccordingtothespeedofthespeedshiftautomatically,youcaneliminatethemanualtransmission"setback"oftheshiftfeel.However,ATalsohavemanydrawbacks,suchasbodycomplex,mechanicalefficiencyisnothigh,highcost,reliabilityandcontrolSensitivityremainstobeincreasing.AMT（AutomatedMechanicalTransmission）isinthetraditionaldryclutchandmanualtransmissiongearbasedonthetransformationofform,mainlytochangethepartofthemanualgearshiftcontrol.Thatis,theoverallstructureoftheMTcasesthesameswitchtoelectronicallycontrolledautomatictransmissiontoachieve.Semi-automaticcontrol,therearetwoformsoftransmission.Anumberofstallsisacommonautomaticcontrol,andtheremainingstallsmanipulatedbythedriver;theotherispre-style,thatis,pre-selectedpilotstalls,theclutchpedalinthedownorreleasetheacceleratorpedal,theforretirementoranelectromagneticdevicetoshiftthehydraulicdevice.Inrecentyears,withadvancesinvehicletechnologyandroadtrafficdensityincreased,theperformancerequirementsofthetransmissionisalsogettinghigherandhigher.Alargenumberofautomotiveengineersinimprovingtheperformanceofautomobiletransmissionstudyagreatdealofeffortdevotedtotherapidtransmissionoftechnologydevelopment,suchasAT,AMT,DCT,CVTandtheemergenceofIVT.

2003HyundaiAT,AMT,DCT,CVTforumreachedaconsensusonthefollowing:

inthenextDevelopment,MTwillcontinuetobethemostwidelyusedautomotivetransmission,AMTwillincreasetheproportionoftheapplication,ATalsoWilloccupyalargemarketshare,CVT'suseofcertainlimitations,canonlybeduetoanumberofsmalldisplacementCar,DCT（dualclutchtransmission）willalsobethebuddinggrowth.From2003tonow,vehiclespeedThedevelopmentofdevicesandtheforumbasicallytheconsensusreachedbyconsensus.Bycomparingtheanalysis,thetraditionalmechanicaltransmissionisstillthemostwidelyusedvehiclechangeSpeed.Althoughithasmanyshortcomings,suchasshiftingtheimpactoflarge,bulky,cumbersometomanipulateandsoon;however,italsoTherearemanyadvantages,suchashightransmissionefficiency,reliableoperation,longlife,manufacturingprocessesmatureandlowcost.Therefore,ifwecanimprovethemechanicaltransmissionoftheabove-mentionedshortcomings,itstillhasgreatroomfordevelopment.

Second,ManualTransmissionFaultDiagnosis

Manualtransmissionatthebeginningofthefaultdiagnosispriorto

Failuretoconfirmfromotherpartsisnot:

tocheckthetireAndwheels,toconfirmthenormaltirepressure,andthewheelisflatValueof;toconfirminsteadofnoiseandvibrationfromtheengine.Clutch,Andsteeringandsuspension,etc..

（A）,skipfile

1.Phenomenon

Vehicleacceleration,deceleration,climbingorseverevehiclevibration,thegearleverneutralpositionautomaticallyjump.

2.Reasons

①self-lockingdeviceoftheballdidnotenterthegroovesorlinkedfiledoesnotmeetthefull-geartoothmeshinglong;

②self-lockingdeviceworngrooveballorserious,self-lockingspringistoosoftorbrokenfatigue;

③gearalongthedirectionoftoothwearasalongcone-shaped;

④oneortwotoo松旷shaftbearing,sothatoneortwothree-axisandthecrankshaftaxisoftheheartordifferenttransmissionandclutchshellshellbondingplaneoftheverticalaxistherelativechangeinthecrankshaft;

⑤SecondGearaxisoftenaxialorradialgapistoolarge;

⑥theaxisofaxialorradialgapistoolarge.

3.Faultdiagnosisandtroubleshooting

JumptofilestallsUnascertained:

Aftertakingheattheentirevehicle,increasetheuseofcontinuous,slowapproachtoroadtesteachfileisdetermined.

Willjumptothegearleverhangingfilestallstheengineoff,transmissioncoverremovedcarefullytoobservethematingdancegearcasefile.

①engagementdoesnotmeetthelength,thentheresultingfault;

②toreachatotallengthofengagement,shouldcontinuetocheck;

③checkmatingwearparts:

wearintoacone,thenfailuremaybecausedby;

④checkb-axisofthegearprofileandtheaxisoftheaxialandradialclearance,clearanceistoolarge,thenfailuremaybecausedby;

⑤checkself-lockingdevices,lockingdevices,ifonlyaverysmalldynamicresistance,andevenfeeltheballisnotpluggedgroove（thetransmissioncovercaughtinthevice,thehand-shakingshiftstroke）,thefaultforthebadperformanceofself-locking;Otherwise,thefaultfortheclutchandgearboxshellbondingplaneandtheverticalaxisofthecrankshaftcausedbychanges.

（B）,arbitraryfiles

1.Phenomenon

Technicalconditionintheclutchnormalcircumstances,transmissionatthesametimeputuportwofileslinkedtotheneedtostall,theresultslinkedtootherstalls.

2.Reasons

①interlockingdevicefailure:

iftheforkshaft,pinorinterlockinginterlockingballtoomuchwearandtear,etc.;

②thebottomofthearcgearfacewearandtearistoolargeorforkaxisoftheallocatedblocksweargrooveistoolarge;

③ballpingearleverbrokenortheball-hole,ball松旷weartoo.Inshortarbitraryfiletransmissionismainlyduetoinstitutionalfailuremanipulation.

3.Faultdiagnosisandtroubleshooting

①linkedtotheneedtostall,theresultslinkedtotheotherstalls:

rockinggearlever,tochecktheirpointofviewbefore,ifinexcessofthenormalrange,whilethelowerendoffailurebythegearleverballpinandthepositioninggrooveballwithor松旷,theballistoolargeholescausedbywearandtear.Swungshift360°,comparedwithabrokenpin.

②Ifthependulumangletonormal,stillnoton,orlinkedtomorethanpickingfile,thenthelowerendoffailurebythegearleverawayfromthelimitationsarisingfro