汽车自动变速外文翻译英

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1、6Vol.20NO.3DRIVESYSTEMTECHNIQUESeptember2006文章编号：1006—8244(2006)03—03—10TheZF··ASTronicFamily·-AutomotiveTransmissionsforAIICommercialVehicleClassesDr．Frank-DetlefSpeck，MarcusRaeder，Dr．ChristophRiichardt，[Abstract]ZFdevelopedanewautomatictransmission--ASTronicFamily，whichcanfulfill

2、thecustomersrequirements．TheASTronicFamilycoverstrucksinthelowertorquerangeupto2600Nmandhas6、10、12and16speed．TheASTroniccanmakeanimportantcontributioninruelconsumption．10wnoiseemissions，morecomfortabledrivingandsafelytraffic．1RequirementsforCommercialVehicleTransmissionsCustomersde

3、mandhighefficiencyalongwithin—creasingvehiclecomfortandsafety．Asaninderpendenttransmissionmanufacturer，ZFcustomerneedsincludetheneedsofdrivers，forwardingcompaniis，andvehiclemanufacturers．Therefore，ZFconsidersthemanyrequirementsthatanewtransmissionconceptmustfulfillwhendevelopingatr

4、ansmission，Figure1．Keepingcostslowisaconsiderablechallenge，initiallyintermsofacquisitionandlaterduringoperation．Thatiswhyfuelconsumptionisincreasinglyoneofthedecisivevehiclefeaturesthatseparatethepetition．Amoderntransmissioncanmakeanimportantcontributionhere：Ontheonehandbyimproving

5、efficiencyandontheotherhandinautomatictransmissionsbytheoptimalselectionofthegearratiodependentonthedrivingsituation．Redueingthetransmissionweightalsoleadstoreduedcosts：Usinglessmaterialreducesacquisitioncostsandenablingahigherpayloadreducesoperatingcosts．Ontheonehand。decreasedoilc

6、onsumptioncontributestoenvironmentalprotection：additionally，ithasanimmediateinfluenceonthecosts，however，thataccruethroughoutthevehicleservice1ife．Thedemandforsystemcomfortincreasinglyapproachesthestandardsetbycartechnology，whereasinthiseaselimitsaresetbymassratiosandcostconstraints

7、．LOWnoiseemissionsareare—suitoflegalregulationsontheonehandbutalsocontributetomorecomfortabledriverworkplaceswhenmet．Furthermore，electronicsystemsincreasinglysupportthedriverandrelievehim／herfromroutinetasks．Thisbenefitssafetyintraffic．2AdvanceswithAutomaticTransmissionsAutomatictr

8、ansmissionscansatisfymanyo