JASO C406-2000 乘用车——制动装置——测功机试验规程

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1、JAPANESEAUTOMOBILESTANDARDJAS0C406:2000Passengercar-Brakingdevice-Dynamometertestprocedures1.ScopeThisStandardspecifiesthetestproceduresforthedynamometerperformanceofnormallyoperatedservicebrakedevicesusedinpassengercars.Testproceduresfortwo-wheeledvehiclesarenotinclude

2、dinthisStandard.2.ApplicablePublicationsThefollowingpublicationformsapartofthisStandardtotheextentspecifiedherein.Thelatesteditionofallpublicationsshallapply.JISDO210GeneralRulesofBrakeTestMethodsforAutomobilesandMotorcycles3.DefinitionsDefinitionsofmajortermsusedherein

3、arespecifiedinItem2ofJISD0210,andincludesuchtermsasinitialbrakingspeed,brakinginterval,andinitialbraketemperature.4.TestConditions4.1VehicleClassificationTestvehiclesareclassifiedintothefollowingcategoriesbynominalmaximumspeedasspecifiedbelowinaccordancewiththeprovision

4、sofJISD0210.PI:Exceeding140km/hP2:Exceeding110km/hupto140km/hP3:Exceeding90km/hupto110km/hP4:90km/horless4.2ConditionofBrakePartsTheconditionofeachpartofbrakedevicesusedintestingshallconformtoItem4.3ofJISDO210(ConditionofBrakeParts).a)InertiaInertiashallbedeterminedbyth

5、ecalculationequationspecifiedinItem7ofJISDO210(CalculationEquation).Testloads,however,shallbeasfollowstoaccommodatespecifictestproceduresandtestequipmentsuchasdualorsingledynamometers.1)Front-and-rearcombinationtestsusingadualdynamometer:1/2ofthetotalvehicleload2)Right-

6、leftcombinationtests:1/2ofthetotalvehicleload(singledynamometer)ortotalvehicleload(dualdynamometer)dividedbytheratioofthefrontandrearwheelbrakingforcesatabrakingdecelerationof4.5m/s24.3TemperatureMeasurementAthermocoupleshallbeinstalledonthefixedsideasspecifiedinItem6(T

7、emperatureMeasurement)ofJISD0210,asarule.Remarks:Anydeviationfromtheaboveshallbenotedinthetestrecord.4.4.CoolingWindCoolingwindshallbeatroomtemperature,shallbeappliedatavelocityof11m/s,asarule,andshallbedirectedtoblowuniformlyandcontinuouslyagainsttheprojectedsurfaceoft

8、hebrakedevice.Remarks:Anydeviationfromtheaboveshallbenotedinthetestrecord.4.5TemperatureAdjustmentWhenadjustme