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