JSAE JASO C605-1997 汽车悬架螺旋弹簧.pdf

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1、JAPANESEAUTOMOBILESTANDARDJAS0C605-97Coilspringsforautomobilesuspension1.ScopeWhentheplanneddeflectiontillaspecifiedlengthis117mmorlargerandanaccuracyisrequired,theallowancegivenbyk5Thisstandardspecifiescoilspringsusedforthesuspensionofmmxspringratemaybespecified.autom

2、obilesexcepttwo-wheeledvehicles(hereinafterreferredInthiscase,thespringrateshallbegivenbythefollowingequa-toas"springs").tion.Remark:Theapplicablestandardsofthisstandardareshownbelow.JIS80103Springs'vocabularyJISG3560OiltemperedwireformechanicalspringsJISG4801Springste

3、elswhereK:springrate(Nlmm)G:modulusofrigidity(78,000N/mmz)2.Definitionoftermd:diameterofmaterialwire(mm)D:meandiameterofcoil(mm)ThedefinitionsofthetermsusedinthisstandardshallconformNa:activecoilstoJISBO103.3.2Allowanceofspringrate3.SpringcharacteristicsandallowancesTh

4、eallowanceofaspringrateshallbek7%.InaspringsSpringcharacteristicsandallowancesshallconformtothefol-requiringanaccuracy,theallowancetillk5%maybespecified.lowing.However,Item3.2maybeomittedwhenagreeduponbythepartiesconcernedindelivery.4.Dimensionandshape3.1Loadallowancef

5、orspecifiedlength4.1DiametersofroundsteelandwireforcoilInprinciple,theloadallowanceforaspecifiedlength(N)shallThediametersofroundsteelandwireforspringsshallconformbek[1.5mm+3%ofplanneddeflectiontillspecifiedlength]xtoTable1inprinciple,andthetolerancesofthesematerialdi-

6、pringrate.However,foraspringwhoseplanneddeflectiontillametersshallconformtoTable2,inprinciple.thespecifiedlengthis50mmorless,theloadallowanceshallbedeterminedasagreeduponbetweenthepartiesconcernedindelivery.Table1Diametersofroundsteelandwire------Diameter.o-.1-.2-.3.4-

7、.5-.6.7.8.98QQ@QQ9QQQQQQQQQ10QQQQQQQQQ110QQQQQQQQ12QQ@QQQ@QQ13QQ@OOOO0014OOOOOOO0015OOOOOOO0016oOOOOOO0017oOOO18o--O--O-ORemark:Q:tobeappliedtobothhotformedmaterialandoiltemperedwire(coldformedmaterial)O:tobeappliedonlytohotformedmaterial1JAS0C605-97Table2Toleranceofma

8、terialdiameter(2)PerpendicularitiyofspringoutsidesurfaceTheperpendicularityofaspringwhoseendsareDiameterToleranceofdi