JASO C615-1989 英文版 独立悬架球头台架试验规程

JAPANESEAUTOMOBILESTANDARDJASOC615-89BenchTestProceduresofSuspensionBallJointforIndependentType1.ScopeThisstandardspecifiesthebenchtestproce-duresrelatingtotheballjointemployedinanautomotivesuspensionofindependenttype(hereinafterreferredtoasballjoint).Remarks:1.Thisstandarddoesnotincludeasus-2.kthisstandard,unitsandnumericalvaluesarebasedonSI(InternationalSystemofUnits!,whileunitsandnumericalvaluesgivenin{1arecus-tomaryunitssystem,andaregivenforreference.ensionarmanditsfastener.2.PurposeThisstandardaimstostandardizethetestproceduresrelatingtotheperformance,strengthanddurabilityoftheballjointswhichareemployedinasuspensionofindependenttypesoastoobtaingeneralizationofqualityevaluation.3.TypesofTestingOscillationangletestTorquetestRigiditytestExtrusionanddrawingstrengthtestBallstudstaticstrengthtestDustcoverdragstrengthtestFatiguestrengthtest(8)Abrasivedurabilitytest(9)Muddywaterdurabilitytest(IO)Dustcoverozone-deteriorationtest(11)Dustcoverlowtemperaturetest(12)Dustcoverheatresistancetest4.CommonTestConditions(1)Unlessotherwisespecified,testingshallbeconductedinanatmosphereattheroomtemperature.(2)Atestpieceshallbemountedwithproperdimensionsfortheinstallationandasufficientlyrigidmeansshallbetakentotheextentthatthepurposeoftestingmightnotbeimpaired.(3)Amountingjigshallbesoshapedasnottoimpairthepurposeoftesting.ApplicableStandards:JISK6301-75JISZ8901-74JASO2213-76JASOC715-88ReferenceStandards:JASOC710-87JASOF981-70JASOM322-85JASOZ204-84SAEJ193SEP79PhysicalTestingMethodsforVulcanizedRubberDustsandAerosolsforIndustrialTestingGlossaryofTermsRelatingtoSteeringSystemsofAutomobilesBenchTestProceduresofSteeringBallJointforRackandPinionTypeTestCodeofStrengthandRigidityforSteeringColumnBallStudsandSocketsHeatAgingandLowTemperatureTestsforAutomotiveRubberPartsGlossaryofTermstoSuspensionofAutomobilesBallStudandSocketAssemblyTestProcedure1JAS0C615-895.BallJointTestMethod5.1OscillationAngleTestThistestshallbeconductedtoevaluatetheoscillationangleofaballjointasfollows:(1)TestsetupAsshowninFig.1,mounttheballjointontoajig.Fig.1Bt(2)Testconditions(a)Measuringdirection:AsshowninFig.1,measurementsshallbetakeninDirectionAandinDirectionBright-angledtoDirectionAfromtheposi-tionatwhichtheballstudstandsvertically.(a)Todeterminetheoscillationangle,useameasuringinstrumentasshowninFig.2.(3)TestingstepsAOscillationanglek-----YFig.2GoniometerNormaldimensionsforinstallation2JAS0C615-89AsshowninFig.3,anoscillationangleissorelatedwithanoscillationtorquethatthetorquemayriseattheendofoscillation.Anangleuptothestartingpointofsuchrisingtorque,therefore,shallbetakentactuallyasthemaxi-mumoscillationangle.(4)Measurementitemsandrecords(SeeFig.3)(a)Oscillationangle('1:AnoscillationanglemechanicallyosciIIatabIeMaximumuniformlyoscillatableangleatwhichtheballstuddoesnot(b)Maximumoscillationangle:interferewithanypartbutastableservicetorqueisavailable.Note:('1Oscillatableanglemaybetakenasthemaximuoscillationangleasagreedbeaenbothpartiesconcernedtodelivery.5.2TorqueTestThistestshallbeconductedtoevaluatetherotatingandoscillatingtorquesofaballjoint-asfollows:(1)TestsetupAsshowninFig.4,forinstance,mounttheballjointontothejig.Todetermineatorque,useatorquegaugeoranymeasuringinstrumentthatmaysatisfythetestconditionsspecifiedin5.2(*l.Fig.3Oscillationangle7MaximumoscillationangleRise4-Oscillationangle-1-JrTorqueFig.4Staticloadonapplicationvehiclesí21IR;c-2viRotationNormaldimensionsforinstallationAStaticloadonapplicationvehiclesiz)IA..IlVIOsillation-3JAS0C615-89.RotatingtorqueiN*m){kgfm)(2)TestconditionsOscillatingtorque(N-m){kgf-mlTable1:TestConditionsMeasurethetorquesuponrecipro-callyrotatingatthepositionwheretheballstudstandsverticallyasshowninFig.4.MeasurementItemMeasurethetorqueuponrecipro-callyoscillatingindirectionsAandBfromthepositionwheretheballstudstandsverticallyasshowninFig.4.MeasuringmethodWithinf40orbemeenmaximumsteeringanglesStaticloadonapplicationvehicles(2)MeasuringrangeMeasuringrateWithink2VorbetweenmaximumoscillationanglesAtmospherictemperatureNote12)Tensileorcompressiveloadinanaxialdirectionloadedontoaballjointwhenastaticloadisappliedonavehicle.(3)Testingproceduresitis,initialstart-upandservicetorquesshallbemeasured.Then,givingfive(5)oscillationswiththemaximumoscilla-tionangleandfive(5)positive-reverse360reciprocalrotations,start-upandservicetorquesshallbemeasured.Givingfive(5)osciilationsuptothemaximumoscillationangletotheballstud,aswellasfive(5)positive-reverse360reciprocalrotationsbeforetakingmeasurements,leavingfor24hoursasFig.5Torque-AngleCurveStart-uptorque\Servicetorqueiz-Oscillationangle\Start\ServicetorqueTorque4JAS0C615-89(4)MeasurementitemsandrecordstotheaxisshallbemeasureduponTestconditionsreferredtoin(2)loadingthestaticload(*)onanappli-Torque-anglecurve(3)(seeFig.5)cationvehicles.Note:(5)SpecifiedapplicableloadvalueshallbedetermineduponagreedStart-uptorqueServicetorquesbetweenthebothpartiescon-cernedtodelivery.(maximum,minimumandaverage=max.+min.)(4)(31TestSteps(a)Atestpieceshallbeleftfor24hours2Note:(3)(4)Whenthetorquevaluesaredirectl