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1、附录TransmissiondesignAsweallknowautomobileenginetoacertainspeedcanbeachievedunderthebestconditions,whencomparedissuedbythepower,fueleconomyisrelativelygood.Therefore,wehopethattheengineisalwaysinthebestofconditionstoworkunder.However,theuseofmotorvehiclesneedtohavedifferentspeeds,thuscreatingacon
2、flict.Transmissionthroughthisconflicttoresolve.AutomotiveTransmissionrolesumupinonesentence,calledvariablespeedtwisting,twistingorslowdownthegrowthratebyincreasingtorsional.Whycanslowdownbytwisting,andthegrowthratebutalsobytwisting?Forthesameenginepoweroutput,powercanbeexpressedasN=WT,wherewisth
3、eangularvelocityofrotation.WhenNfixed,wandTisinverselyproportionaltothe.Therefore,thegrowthratewillreducetwisting,twistingslowdownwillincrease.AutomotiveTransmissionspeedgearbasedontheprincipleofvariabletwistedintovariousstallsofdifferenttransmissionratiocorrespondingtoadapttodifferentoperationa
4、lconditions.Generaltosetupamanualgearboxinputshaft,intermediateshaftandoutputshaft,alsoknownasthethree-axis,aswellasDaodangaxis.Three-axisisthemaintransmissionstructure,inputshaftspeedisthespeedoftheengine,theoutputshaftspeedistheintermediateshaftandoutputshaftgearmeshingbetweendifferentfromthes
5、peed.Differentgearsaredifferenttransmissionratio,andwillhaveadifferentspeed.ForexampleZhengzhourichanZN6481W2Gmanualtransmissioncar-SUV,itstransmissionratioare:1File3.704:1;stalls2.202:1;stalls1.414:1;stalls1:15stalls(speedingfile)0.802:1.Whendriverschoosealaunchvehiclestalls,Plectrumwillbe1/2fi
6、lesynchronizationengagementwithabackstallgearandoutputshaftlockit,thepowerinputshaft,intermediateshaftandoutputshaftgearofastall,astalltheoutputshaftgeardriven,andtheoutputshaftpowerwillbetransmittedtothedriveshaft(redarrow).AtypicalstallBiansuchiluntransmissionratiois3:1,thatistosaythreelapstot
7、heinputshaftandoutputshafttoacircle.Whenthegrowthrateofcardriverschoosetwostalls,Plectrumwillbe1/2-filesynchronizationandfileajointseparationafter2stallandlocktheoutputshaftgear,powertransmissionlinesimilar,thedifferenceisth
