資源描述：
《汽車英語(yǔ) suspension》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、Review1:What’sthefunctionofSuspensionsystem?FlexiblyconnectthewheelstothebodyDeliverthepowerandmomentfromtheroadtothebodyDampoutthespringoscillationsquicklystabilizerbarcoilspringtrailingcontrolshockabsorbertierodThesuspensioncoversthearrangementusedtoconnectthewheelstothebody.Thepurposeistop
2、reventlargeshocks,causedbythewheelsstrikingbumpsintheroad,beingpassedtothevehicleoccupantsandcomponents;otherwisediscomfortanddamagewouldoccur.懸架是車架（車身）與車橋（車輪）之間一切連接傳力裝置的總稱。其目的是防止車輪遇到路面不平產(chǎn)生的巨大沖擊傳給車內(nèi)的貨物和乘客；否則會(huì)產(chǎn)生不舒適的感覺(jué)和貨物的損壞。Thesuspensionsystemhastwosubsystems－thefrontsuspensionandtherearsuspen
3、sion.Thefrontsuspensionismorecomplicatedthantherearsuspension.Thisisbecausethefrontwheelsmustmoveinseveraldifferentdirections.Thewheelsmustmoveupanddownwiththesuspensionandturnlefttorightwiththesteering.Sincethecargoesinthedirectioninwhichthefrontwheelspoint,thealignmentofthefrontwheelsisimpo
4、rtant.懸架系統(tǒng)有兩個(gè)子系統(tǒng)－前懸架和后懸架．前懸架比后懸架復(fù)雜．這是因?yàn)榍拜喰枰诓煌较蜻\(yùn)動(dòng)．車輪必須隨懸架上下運(yùn)動(dòng)并隨轉(zhuǎn)向系統(tǒng)左右轉(zhuǎn)動(dòng)．因?yàn)槠囋谇拜喼赶虻姆较蛏闲旭?，所以前輪定位很重要．Pooralignmentcanmakeacarpulltoonesideandstopthefrontwheelsfromreturningtothestraight-aheadpositionafteraturn.不正確的車輪定位參數(shù)會(huì)使汽車產(chǎn)生偏駛，阻止車輪在轉(zhuǎn)向后回到直線行駛位置。Review2:What’sthefunctionofFrontWheelAlignmentAng
5、les?Camberistheinclinationofthewheelrelativetothelongitudinalvehicleplane,measuredinthetransverseplaneofthevehicle.Positivecambermeansthatthewheelsaretiltedfurtheroutatthetopthanatthebottom.PositivecamberNegativecamberTypeoffrontwheelalignmentanglesToe-inspecifiesthedegreetowhichnon-parallelf
6、rontwheelsareclosertogetheratthefrontthanattherear;measuredattheedgesoftherimsatthewheelcenterheight.S.A.I主銷內(nèi)傾SteeringAxisInclinationThekingpinangleistheinclinationofthesteeringaxis(kingpin)relativetothelongitudinalplane,measuredinthetransverseplaneofthevehicle.PositivecasterγCaster主銷傾角Caster
7、isspecifiedastheanglebywhichthesteeringaxis(kingpinline)deviatesfromtheverticalwhenviewedfromtheside,orasthatdistanceontheroadsurfacebywhichthewheelcontactpointtrailsthepointatwhichanextensionofthesteeringaxismeetstheroadsurface.negativecaste
