汽车专业英语ppt全套配套课件优化word教案参考译文9 Chapter 5 Braking System.ppt

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1、学习内容本节课学习内容、目标和重点难点学习目标难点重点Chapter5BrakingSystems1.掌握制动系统的基本组成、类型、ABS系统主要零件的英文名称2.提高翻译技巧，能较熟练翻译课文1.重点是英文专业术语记忆2.难点是生词偏多、ABS控制原理原理Chapter5BrakingSystems5.1OverviewofBrakingSystemskinetic[kai'netik]a.(运)动的，动力（学）的caliper['kælipə]n.卡钳，测径器；v.用卡钳测量magnetize['mæɡni

2、taiz]vt.吸引；使磁化vi.磁化；受磁retarder[ri'tɑ:də]n.缓凝剂；减速器；阻滞剂；迟缩剂hydraulic[hai'drɔ:lik]adj.液压的；水力的；水力学的compartment[kəm'pɑ:tmənt]n.隔间；区划；卧车上的小客房vt.分隔；划分booster['bu:stə]n.升压机；支持者；扩爆器deceleration['di:selə'reiʃən]n.减速acceleration[əkselə'reiʃən]n.加速，促进；加速度Chapter5Braking

3、Systems5.1OverviewofBrakingSystemsservicebrakesystem行车制动系统parkingbrakesystem驻车制动系统retarderbrakingsystem缓速制动系统brakepedal制动踏板vacuumbooster真空助力器mastercylinder主缸brakeline制动管路Chapter5BrakingSystems5.1OverviewofBrakingSystemsdrumbrake鼓式制动器discbrake盘式制动器brakeshoe制动

4、蹄brakedrum制动鼓wheelcylinder轮缸frictionlining摩擦衬片brakecaliper制动钳Brakefluid制动液checkvalve单向阀Chapter5BrakingSystems5.1OverviewofBrakingSystemsThebrakingsystemisveryimportanttoacar.Ifyourbrakesdon’tworkproperly,theresultcanbedisastrous.Brakesareactuallyenergyconver

5、siondevices,whichconvertthekineticenergyofthevehicleintothermalenergy.Chapter5BrakingSystems5.1OverviewofBrakingSystemsTherearethreekindsofbrakingsystems:servicebrakesystem,parkingbrakesystemandadditionalretarderbrakingsystem.Theservicebrakesystemisthemainbr

6、akingsystemusedtoslowdownorevenstopthecarthat’srunningatahighspeedandguaranteethesafetyofpassengers.Itisfoot-operatedbythedriverdepressingandreleasingthebrakepedal.Aparkingbrakesystemcanpreventtheautoslippingawayfromitsparkingplace,evenifitisparkedonasteepsl

7、ope.Itisalsocalledthehandbrake.Chapter5BrakingSystems5.1OverviewofBrakingSystemsThebrakingsystemiscomposedofthebrakeanditscontrolmechanisms.Ahydraulicbrakesystemmainlyconsistsofthebrakepedal,thevacuumbooster,themastercylinder,thebrakelineandthebrake,asshowni

8、nFig.5-1.Toincreasesafety,mostmoderncarbrakingsystemsarebrokenintotwocircuits,withtwowheelsoneachcircuit.Fig.5-1HydraulicbrakingsystemChapter5BrakingSystems5.1OverviewofBrakingSystemsTherearetwo