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ID:41580791
大小:56.99 KB
页数:4页
时间:2019-08-28
《4座微型客货两用车设计(后驱动桥、后悬设计)外文原文》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、SuspensionperformancetestingThesuspensionsystem,whilenotabsolutelyessentialtotheoperationofamotorvehicle,makesabigdifferenceintheamountofpleasureexperiencedwhiledriving.Essentially,itactsasa"bridge”betweentheoccupantsofthevehicleandtheroadtheyrideon.Thetermsuspensionreferstotheabilityofthi
2、sbridgeto"suspencTavehicle'sframe,bodyandpowertrainabovethewheels.LiketheGoldenGateBridgehoveringoverSanFranciscoBay,itseparatesthetwoandkeepsthemapart.ToremovethissuspensionwouldbeliketakingacooldivefromtheGoldenGate:youmightsurvivethefall,buttheimpactwouldleaveyousoreforweeks.Thinkofaska
3、teboard.Ithasdirectcontactwiththeroad.Youfeeleverybrick,crack,creviceandbump.Itsalmostavisceralexperience.Asthewheelsgrowlacrossthepavement,pickingupabumphere,acrackthere,thevibrationtravelsupyourlegsandsettlesinyourgut.Youcouldalmostadmityouwerehavingfun,ifyoudidn'tfeellikeyouweregonnatos
4、syourtacosatanysecond.Thisiswhatyourcarwouldfeellikewithoutasuspensionsystem.Intheinterestsofroadsafety,itislogicaltoincludeinperiodicroadworthinesstestsaninspectionofvehiclesuspensionperformance.Theresultsoftestswithaprototypemachinearepresentedandaspecificationproposedforavalidsuspension
5、test.DemonstrationsorganizedbytheEuropeanShockAbsorbersManufacturers'Association(EuSAMA)inmanycountrieshavedrawnattentiontotheimportanceofcorrectlyfunctioningshockabsorbers.IntheUnitedKingdomitisanticipatethattheDepartmentoftheEnvironmentwillincludeaspecificshockabsorbercheckintheMOTTestwi
6、theffectfromJanuary1977.Ofthemachinescurrentlyavailablefortestingshockabsorberswithoutremovingthemfromthevehicle,thereisnorealconsensusofopinionconcerningtheirvaliditytoevaluatesuspensionsafetyobjectively.ButitisfeltthatpossiblemorestringentlegislationonEuropeanperiodicvehicletestsinthefut
7、urewilldemandaformofobjectivetestingonequipmentthatisincapableoferroneousinterpretation.Sinceitsformationin1971EuSAMAhasrealizedtheimnportanceoftheproblem,andinitiallychargeditstechnicalsub-committeewiththetaskofexaminingandanalyzingthevarioustestmachinesthena
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