文献翻译汽车离合器技术的新发展.docx

文献翻译汽车离合器技术的新发展.docx

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文献翻译汽车离合器技术的新发展

附录1（原文）

Clutchofnewdevelopmentsintechnology

Abstract:

inrecentyearscardesignandmanufacturingtechnologyprogressforalltosee.Inordertofurtherimproveproductperformance,prolongservicelife,commonmechanicalclutchtechnologyisalsoproducedaremarkablechange.Nomatterfromstructuralcharacteristics,productprocessperformance,orcontroltechnology,mechanicalclutchoftechnologicalprogressinsomeextentreflectsthedevelopmentofdesignconcepts,andpossibletechnologytrendsinthefuture.

Keywords:

clutch;Technologydevelopment

1,introduction

Incartechnologyrapiddevelopmenttoday,especiallywiththeelectronictechnologyincars,theextensiveapplicationofvehicledrivetrainishadgreatprogress,asanimportantpartofthetransmissionoftheclutchassemblyforcetransmission,theburdenofreducingvibrationandpreventsystemoverloadveryimportantrole.Tomakesurethatthepowertransmissionandreliable,separatethoroughly,combinedwithsoft,dampinggood,smallvolume,lightweight,easy,longservicelife,makingtheclutchproducteithercashfromtheperformance,structure,ormanufacturingmodeandcontrol,intheoccurrenceofalotofchange.Theygreatlyoptimizedclutchallaspectsofperformance,tosomeextentlook,thesechangesarealsoreflectedthedevelopmentdirectionoftheclutch.

2,engineflywheelnewstructure

Asoneoftheflywheelstoragecomponentsengine,isalsopartoftheclutchinitiative.Asthecartransmissionbelongtomulti-freedomtorsionalvibrationsystem,whethertheincentiveandtransmissionsystem,ortheassociatedforcevibrationtypeandthecouplingvibrationwithotherstatementsareverycomplex.Inordertoadapttocardrivingconditionsofvibrationandnoisereductionofreducingtheneed,makingcars,ridecomforttheroleoftorsionalshockabsorberisextremelyimportant.Itshouldbeabletoadjustthesysteminherentfrequency,thesystemmainlylow-orderresonancecriticalspeedremovecommon,alsoneedtousespeedrange,stillneedtodecreaseamplitudedampingoftransmissionsystemcanreduceidlenoise,easetheimpactofthespecialcaseload.Previousclutchplatensetonbyatwistofshockabsorber,decorateaspaceplaceisrestricted,shockabsorberworkreverseAnglesmall,torsionstiffnessbig,capacitysmall,springs,andthereforenotguaranteetheintensityofvibrationreductionislimited.

Inrecentyears,theemergenceofareversedampingcharacteristicsandperformancetopriceareidealdoublequalityflywheelstructure.Theflywheelbyprimaryflywheel,reverseshockabsorberandsubprimeflywheelcomposition,amongthem,theprimaryflywheelononehandweshouldprovidefortheshockabsorberandclutchinstallationspace,ontheotherhandalsowithappropriaterotationalinertiainsureacar,andreducepassedbackstartingtheamplitude.Generally,doublequalityflywheeladoptswithcirculararcshapealongthespiralspringprimaryflywheelouterperipherydecorateway,inlimitedcircumstancesdecorateaspace,thearrangementtoobtainlargerprimaryflywheelrotationalinertia.Theinertiaandtheclutchafterbriefincreaseenginespeedfluctuationofrelatedparts,shortentheirservicelife.Toavoidtheabovephenomenon,oftenneedadditionalSettingsspecialdamping,such,canincreasethedifficultyandcostofproductdevelopment.Becausetheengineofthecarfrontfrontdrivetypeoftransmissioninstallationspaceislimited,sothiskindofstructureinFFtypecarstothepromotion.Meanwhile,thiskindofdecoratespringalongthecircumference,duetohighspeeddoublequalityflywheelcentrifugalrole,springwearwhen,orevenproducesbroken.

Usingradiallayoutspringscanimprovethedoublequalityflywheeloftheabovementionedproductsdefect.Itconsistsofprimaryflywheel,3~4springsbox,dampingdishandsubprimeflywheelcomposition.Becausethesuspensionspringboxofradiallayout,theprimaryflywheelrelyonfourpoststhemusclesofribtakesformenoughflywheelstiffnessandproducedsimilarwithtraditionalflywheelinertia.

Thiskindisdecoratedinasmallspacetowithsmallerqualitytogainthemaximumrotationinertia,helpreducetheassemblystructure,theaxialdimensionsforsubprimeflywheelandclutchdecorateaspacemakemore.Itsdampingdevicebyawear-resistingplasticgasket,abeltofsteelplateandaslotdiscspringwashersconstitute,theysetindampingplate,relyondampingdischoleflangingpositioningandcompaction,thedampingdiskwithprimaryflywheelrivetedbythesubprime,plasticgasketflywheelslotdrive.Practiceprovesthatthedoublequalitythanever,thisstructurecanbetheflywheelinalimitedspacegetquitegoodvibrationreduction.

Engineforthejob,usuallybytheflywheel,inertiaandtheclutchclutchdiscprovidestogether.Theidealflywheelstructureshouldbetoofferthesame,andensureenoughinertiastructurestiffnesspremisetominimizetheflywheelquality,stampingsteelwaytoreplacetraditionalcastingcanobtaintheflywheelwaystoproducetheeffect.Changethepressurebycastinglronyuntechtcring,starttoothedringandsteelbluntsystemdriversdiskofthreeparts.Intheringgeardrivingplatewelding,pressureringsanddriversdiskriveting,pressureringofmomentofinertiaofthesubjectconstitutesaflywheel,andprovidefortheclutchfrictionsurfaceandheatconduction.Driversdiskimproveenoughflywheelstiffness,andusinglaserweldingandclutchcover,thisisconnectedtothisstructureformsofchangescanbecomparedtotraditionalironflywheelreducequality5%~10%.USESthesteelplatestampingtypeflywheel,andclutchcoverandflywheelconnectionsbetweenafterreplacingboltconnectionwithwelding,reducingthenumberandmachinerymanufacturedparts,whichreducestheproductioncost.Theforegoingradiallayoutspringsdoublequalitycanusethisstampingyuntechtcforstructureform,reducingaxialdimensions

.

3,clutchdisc

Clutchplatendesignofthemaincontradictionisfacing,ononehand,hopetohaveasplayedplatendiameter,inordertoobtainthegoodpreachtorsionalcharacteristic,reducingfrictionsliceswearquantityandimprovetheservicelife,ontheotherhand,hopethedecreaseoftheplatenaspossible,soastoshortentherotationalinertiaofthevariabletransmissionshift,ensurethesynchronizationtimeofsmooth,transmissionclutchplatenontologyconsciousdrops,andthereforemadewavyoftendifficulttocoordinatethecontradiction.Whenusingtrianglegrooveplatenontologystructure,whilekeepingtheoriginalwaywavyplatenontologyhastheaxialelasticpropertiesatthesametime,becauseofitslargeontheplanecanbeformed,enoughtomakeitsandfrictionslicesadhesiveisusedtoconnectthereplacementoftraditionalriveting,sothatinfrictionchipwillnotneedthethicknessofthesteelbacktoreserverivet,soclutchfrictionslicesthickness,whichcanreducetheplatenaxialdimensions,andcanbereducedby10%ofinertiacanreducenearly25%.Inotherwords,keepthepremiseofinertiaunchanged,possiblewillplatendiameterincreases,socanthearrangementfortorsionalshockabsorber,letaspacewhendamperspringjobincrease,therigidityoftheshockabsorberindiametercanbereducedgreatly,increasingthespaceforsettingalsoprovidesanidealdampingcomponentsfundamentalconditions.Ontheotherhand,becauseplatendiameterincreases,theoptimizationofdiaphragmspringseparationmeansitcanobviouslyreduceleveragethantheloadbearingseparation.

Usingtrianglegrooveplatenontologyandfrictionpieceofadhesivetechnology,stillcanmakeclutchfrictionslicessurfacepressuredistribution,andmoreuniformcanimprovetheservicelifeoffrictionslices.

4,clutchdiaphragmspring

Usingthediaphragmspringofanonlinearelasticproperties,canincreasetheabilityofclutchabrasionresistance.Usually,canpasstheclutchwheninstallation,adjustmentdiaphragmspringaxialposition,tokeepthespringofcompactionforce,butduetothemanufacturingprocessofpreviouspositionerrorisquitelarge,sooftenwastedspringthisportionofelasticenergy,enablestheabrasionresistanceabilitygetfullplay.Whentheclutchcoverandflywheelconnectionwiththeaboveweldingwaytofinish,theclutchassemblymayallowsuchpositionwhentheadjustment,thus,thecorrespondingclutchscratch-resistantabilitycanimprovethe4%~30%.

Toimprovetheabilitytochangeitsantiwearproperties,butalsocanthediaphragmspringisreinforcedbycontrollingmethodofseparationmeansandtheribdiscsupportingringapproachtogetting.

5,clutchcontrolsystem

Automatictransmissionincarsgrowingpopularityoftoday,duetoitslackoftransmissionefficiencyofcars,andmotoristsfeellostcontrol,makesmechanicalclutchstillhaswidemarket.Alongwiththecomputertechnologyandtherapiddevelopmentofmoderncontroltechnologyhastoclutchmayrealityautomaticcontrol,automaticclutchmanagementsystem（CMC）istheproductofthisidea.Thedriverspeaking,clutchautomaticcontrolsystemisthatitisthemostobviousadvantageofcancelledtheclutchpedal,thusimprovethedrivingcomfort,whetherinthecitythefrequentchangeoftrafficenvironment,orintheramp,itsadvantagesarestartedisquiteclear.Meanwhile,inordertoreducethetransmissionlownoiseandvibration,CMCislikelytoclutchreal-timecontrolofsliding,allthesecanimproveautomobiledrivingsafety.Althoughtheautomatictransmissioncanalsoplaythesameroleinprice,buttheCMC,fuelefficiency,enginebrakingandrapidresponse,etcbutagaintheobviousadvantage.Inaddit