1、JAPANESEAUTOMOBILESTARDJASOC61589BenchTestProceduresofSuspensionBallJointfIndependentType1.ScopeThisstardspecifiesthebenchtestproceduresrelatingtotheballjointemployedinanautomotivesuspensionofindependenttype(hereinafterr
2、eferredtoas“balljoint“).Remarks:1.Thisstarddoesnotincludeasus2.kthisstardunitsnumericalvaluesarebasedonSI(InternationalSystemofUnits!whileunitsnumericalvaluesgivenin1arecustomaryunitssystemaregivenfreference.ensionarmits
3、fastener.2.PurposeThisstardaimstostardizethetestproceduresrelatingtotheperfmancestrengthdurabilityoftheballjointswhichareemployedinasuspensionofindependenttypesoastoobtaingeneralizationofqualityevaluation.3.TypesofTestin
4、gOscillationangletestTquetestRigiditytestExtrusiondrawingstrengthtestBallstudstaticstrengthtestDustcoverdragstrengthtestFatiguestrengthtest(8)Abrasivedurabilitytest(9)Muddywaterdurabilitytest(IO)Dustcoverozonedeteriation
5、test(11)Dustcoverlowtemperaturetest(12)Dustcoverheatresistancetest4.CommonTestConditions(1)Unlessotherwisespecifiedtestingshallbeconductedinanatmosphereattheroomtemperature.(2)Atestpieceshallbemountedwithproperdimensions
6、ftheinstallationasufficientlyrigidmeansshallbetakentotheextentthatthepurposeoftestingmightnotbeimpaired.(3)Amountingjigshallbesoshapedasnottoimpairthepurposeoftesting.ApplicableStards:JISK630175JISZ890174JASO221376JASOC7
7、1588ReferenceStards:JASOC71087JASOF98170JASOM32285JASOZ20484SAEJ193SEP79PhysicalTestingMethodsfVulcanizedRubberDustsAerosolsfIndustrialTestingGlossaryofTermsRelatingtoSteeringSystemsofAutomobilesBenchTestProceduresofStee
8、ringBallJointfRackPinionTypeTestCodeofStrengthRigidityfSteeringColumnBallStudsSocketsHeatAgingLowTemperatureTestsfAutomotiveRubberPartsGlossaryofTermstoSuspensionofAutomobilesBallStudSocketAssemblyTestProcedure1JAS0C6158
9、9AsshowninFig.3anoscillationangleissorelatedwithanoscillationtquethatthetquemayriseattheendofoscillation.Anangleuptothestartingpointofsuchrisingtquetherefeshallbetakentactuallyasthemaximumoscillationangle.(4)Measurementi
10、temsrecds(SeeFig.3)(a)Oscillationangle(1:AnoscillationanglemechanicallyosciIIatabIeMaximumunifmlyoscillatableangleatwhichtheballstuddoesnot(b)Maximumoscillationangle:interferewithanypartbutastableservicetqueisavailable.N
11、ote:(1Oscillatableanglemaybetakenasthemaximuoscillationangleasagreedbeaenbothpartiesconcernedtodelivery.5.2TqueTestThistestshallbeconductedtoevaluatetherotatingoscillatingtquesofaballjointasfollows:(1)TestsetupAsshowninF
12、ig.4finstancemounttheballjointontothejig.Todetermineatqueuseatquegaugeanymeasuringinstrumentthatmaysatisfythetestconditionsspecifiedin5.2(l.Fig.3Oscillationangle7MaximumoscillationangleRise4Oscillationangle1JrTqueFig.4St
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