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ID:50482805
大小:1.92 MB
页数:33页
时间:2020-03-09
《汽车专业实用英语 教学课件 作者 陈晟闽 20-Diagnosing Suspension System.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、WelcomeToSuspensionSystemOperation&DiagnosisSECTION20ObjectivesNamethedifferenttypesofspringsandhowtheyoperate.Nametheadvantagesofballjointsuspensions.Explaintheimportantdifferencesbetweensprungandunsprungweightwithregardtosuspensioncontroldevices.continued…Objecti
2、vesIdentifythefunctionsofshockabsorbersandstrutsanddescribetheirbasicconstruction.IdentifythecomponentsofaMacPhersonstrutsystemanddescribetheirfunctions.Identifythefunctionsofbushingsandstabilizers.continued…ObjectivesPerformageneralfrontsuspensioninspection.Checkc
3、hassisheightmeasurementstospecifications.Identifythethreebasictypesofrearsuspensionsandknowtheireffectsontractionandtirewear.continued…ObjectivesIdentifythevarioustypesofsprings,theirfunctions,andtheirlocationsintherearaxlehousing.Describetheadvantagesandoperationo
4、fthethreebasicelectronicallycontrolledsuspensionsystems:levelcontrol,adaptive,andactive.continued…ObjectivesExplainthefunctionofelectronicsuspensioncomponents,includingaircompressors,sensors,controlmodules,airshocks,electronicshockabsorbers,andelectronicstruts.Expl
5、ainthebasictowing,lifting,jacking,andserviceprecautionsthatmustbefollowedwhenservicingairspringsandotherelectronicsuspensioncomponents.continued…TypesofVehicleConstructionUnitizedbodyTendstobemoretightlystructured.Isdesignedtotransmitimpactenergythroughoutthevehicl
6、e.BodyoverframeThebodyandallmajorpartsareboltedtotheframe.DesignisusedonmanypickupsandSUVs.continued…DefinitionsSpringAcomponentusedtoabsorbshockforceswhilemaintainingvehicleheight.Absorbsenergyoncompression(jounce)andreleasesenergyduringextension(rebound).Shockabs
7、orberAcomponentusedtodamporcontrolmotioninavehicle.Shockabsorbersdampenspringoscillations.continued…SpringTypesCoilAirSingle-leafMultileafTorsionbarcontinued…TypesofShockAbsorbersHydraulicUseshydraulicoil.Gas-chargedUsesnitrogengasaswellasoil.AirUsesairchamberstoco
8、ntroltheheightoftheshock.continued…TypesofShockAbsorberscontinued…MacPhersonStrutComponentsSpringShockabsorberUppersuspensionmountorlocatorcontin
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