汽车专业外语052ppt课件.ppt

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1、TheBrakeSystem制动系统Unit6PassageAThemostimportantsysteminyourcar.Ifthebrakesdon’tworkproperly,theresultcanbedisastrous.Goodbrakesareessentialforsafety.PassageABrakesystem(Ⅰ)PassageABrakesystem(Ⅰ)PassageATwocompletelyindependentbrakingsystemServicebrakeMainbrakingsystemused

2、toslowdownorstopthecarduringnormaldriving.Foot-operatedbythedriverdepressingandreleasingthebrakepedal.Parkingbrake(Handbrake)Holdacarstationarywhileitisunattended,andtokeepthecarfromrollingonunleveledground.PassageABrakesystem(Ⅰ)PassageABasically,allcarbrakesarefrictionb

3、rakes.Whenthedriverappliesthebrake,thecontroldeviceforcesbrakeshoes/padsagainsttherotatingdrums/disksatwheel.Frictionbetweentheshoes/padsandthedrums/disksthenslows/stopsthewheelssothatthecarisbraked.PassageABrakesystem(Ⅰ)PassageADiskbrakeUsedforyearsforfrontwheelapplicat

4、ions,arefastreplacingdrumbrakesontherearwheelsofmoderncars,duetotheirsimplerdesign,lighterweightandbetterbrakingperformance.Providessignificantlybetterresistanceto‘brakefade’comparedwithdrumtypebrakingsystem.Maincomponents:Brakepads,Caliper,Disk/RotorPassageABrakesystem(

5、Ⅰ)PassageABrakepaddiytrade/china/4/products/3456706/Brake_Pad.htmlnews.mycar168/2019/03/65076.htmlWithliningrivetedorbondedtoit.Mountedinthecaliper,oneoneachsideofrotor.Asbestosareprimarilyusedbecauseofitsheatabsorbingpropertiesandquietoperation.PassageABrakesystem(Ⅰ)Pas

6、sageACaliperFloatingcalipersandfixedcalipersjpmagazine/techarticles/drivetrain/154_1105_jeep_wrangler_jk_big_brake_bolt_ons/photo_05.html2carpros/articles/how-a-brake-caliper-worksPassageABrakesystem(Ⅰ)PassageACaliperHowdoesafloatingcaliperwork?Floatsormovesinatrackinits

7、supportsothatitcancenteritselfoverthemotor.Thehydraulicfluidpushesintwodirection.Firstly,itforcesthepistonagainsttheinnerpadwhichinturnpushesagainsttherotor.Secondly,italsopushesthecaliperintheoppositedirectionagainsttheouterpadwhichpushestheothersideoftherotor.PassageAB

8、rakesystem(Ⅰ)PassageACaliperSinglepistoncalipersarethemostpopularandalsoleastcostlytomanufactureandserv