JASO C611-1993 汽车悬架支柱

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1、JAPANESEAUTOMOBILESTANDARDJAS0C611-93Suspensionstrutsforautomobiles1.Scope(11StrutbodyThisstandardspecifiesthestrutbodiesoftheThestrutbodymeansthepartsurroundedsuspensionstrutsforautomobiles(hereinaf-bytheoutercasingandtheknucklejointterreferredtoas“strut”).butdoesnotincludethespringsheetRem

2、ark:Theapplicablestandardforthisstandardisshownandknuckle,etc.(seeFig.1)asfollows:JISD0202Generalrulesofcoatingfilmsforauto-(2)Knucklejointmobileparts.Thisinthepartjoiningtheoutercasingandtheknuckle.Thejoiningmethods2.Definitionsincludethetypewhichweldstheknuckle,Themaintermsusedinthisstanda

3、rdarethetypewhichboltstheknucklethroughdefinedasfollows:abracket,andthetypewhichboltsdi-rectlytheknuckle.Fig.2showstheex-ampIes:Fig.iStrutbody(partasshownbysolidlines)KnuckleIII1i.---..-4iI.YISpringsheetKnucklejointFig.2JoiningmethodsofknuckleThetypewhichweldstheknuckleJ--1fLp.1%......-..

4、..IIIII..2.-.ThetypewhichboltstheknucklethroughabracketL....-----iThetypewhichboltsdirectlytheknuckle1JASOC611-93Largestlength4.2ToleranceforthelargestlengthandThelength(Lmax)whentherodispulledthesmallestlengthouttothemaximumwithoutdeformingThetoleranceforthelargestlengthandthethestopper(see

5、Fig.3).smallestlengthshallbeI3mm.SmallestlengthThelength(imin)whentherodispushed5.Qualityintotheend(seeFig.3).5.1AppearanceStrokeTheappearanceofthestrutbodyshallnotThedifferencebetweenthelargestlengthhaveanyharmfuldefects(')forthepractical(Lmax)andthesmallestlength(imin).service.Note('):Harm

6、fuldefectsforthepracticalservicemeanthenonconformingdimensionsattheknucklefittingpart,etc.3.ConstructionTheconstructionofstrutbodyshallbecom-5.2DampingforceposedofthepartsurroundedbytheoutercasingThedampingforceshallmeetthefollowingandtheknucklejoint,andshallperformtherequirements:functionas

7、astrengthmemberinsuspension(i)Thedampingforceshallbedeterminedandsimultaneouslydampthevibrationbythebythevalueatthepistonspeedof0.3mldampingforcegeneratedthroughtheshiftofS.thepistonandtherod,mainlythroughhydraulic(2)Therangesofthedampingforceatthe