JASO E109-1994 英文版 汽车多楔带

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1、JAPANESEAUTOMOBILESTANDARDJASOE109-94AutomotiveV-ribbedbelts1.Scope(2)PitchzoneThisstandardspecifiestheV-ribbedbelts(here-Azoneinabeltwhereanyextensionandinafterreferredtoas"belts")fordrivingtheretractionarenotpresentwhenitisbent.Itcoolingfans,alternators,waterpumps,com-isusedtocalculat

2、ethespeedratioofthepressors,powersteeringpumps,superchar-pulley.gers,etc.ofautomobileinternalcombustion(3)Normalbendingengines.AstateofabeltinwhichthebeltisplacedRemarks:withitsribsectionfacedinward.Theapplicablestandardstothisstandardareas(4)Reversebendingfollows.Astateofabeltinwhichth

3、ebeltisplacedJIS60601Definitionsanddesignationofsur-withitsribsectionfacedoutward.faceroughnessJISZ8401Rulesforroundingoffofnumerical3.ClassificationvaluesJASOE110TestmethodfortoothedbeltsforThebeltisofPKtypeonly.automobilesJASOE111ShapeanddimensionofV-ribbed4.Qualitypulleygroovesforaut

4、omobiles4.1PerformanceTotesttheperformanceofthebelt,atestcom-2.DefinitionsprisingnormalbendingonlyDefinitionsofmaintermsusedinthisstandardareasfollows.(ThetestconditionsarelistedinAI)oratest(1)Effectivelengthincludingreversebending(ThetestconditionsThelengthofalinecircumscribingabeltare

5、listedin61)asindicatedinparagraph9.2throughtheeffectivecircumferenceofashallbeselectedaccordingtothepulleylayoutmeasuringpulleywhenthebeltisplacedinwhichthebeltisused.Astheresultoftheontotwomeasuringpulleyswithaspecifiedtest,anydamagesasshowninFig.1mustnotforceapplied.beproduced,andthes

6、econdre-tensioningmustnotberequired.Fig.1BeltbreakdownRibrubberchunkRibrubbercrack(atoneormoreplace)(Crackreachedtotensionmember)4.2Tensilecharacteristics9.3,andthetensilestrengthandelongationThetestofthebeltfortensilecharacteristicsmustmeettherequirementsinTable1.shallbecarriedoutonthe

7、methodinparagraph1JASOE109-94NumberofridsTensilecharacteristicsTensilestrengthElongationMax.tensileforce%ForceatmeasurementkNkN32.40orover3.0or0.7543.20oroverbelow1.o054.00orover1.2564.80orover1.507orover0.80xn(')orover0.25xn4.3Lowtemperatureresistanceoutwardfromtheeffectivedia