JASO B407-1987 英文版 汽车座椅舒适性试验规程

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1、JAPANESEAUTOMOBILESTANDARDJASOB407-87Testcodeofseatingcomfortforautomobileseats1.ScopeTable1TesttypesITypeoftestTestobjective1Characteristicstoexamine1Thisstandardspecifiesthetestmethodsforevaluatingthe1Load-deflectioncurveIgeneralperformanceofautomobileseatsonth

2、eirseatingDeflectingDeflectioncomfortability.performanceRemarks:Inthisstandard,units,numericalvaluesand1StaticspringconstantIDampingequationsgivenin{}areconventionalunits,Hysteresislosscoefficientperformanceshownforreference.HardnessHardnessdistributioncurvedistr

3、ibution1Load-sinkagecurveI2.PurposeSurfaceSoftness1SinkageIHardnessThisstandardisdevelopedforstandardizingthetest1StaticspringconstantImethodstobeusedfortestingtheseatingcomfortabilityofAccelerationtransmissibilityautomobileseatsandforensuringanadequateevaluation

4、characteristicsordisplacementtransmissibilitycharacteristicsoftheseatingcomfortabilityoftheseseats.VibrationVibrationperformanceResonancemagnification3.Definitionsr1DynamicspringconstantIDefinitionsofprincipaltermsusedinthisstandardshallbeDampingpursuanttoJASOZ21

5、5(GlossaryofTermsRelatingtoISeatsofAutomobiles).4.TesttypesandtheirapplicabilityTable2Testapplicability4.1Typesoftests-----TypeoftestSeatSeatTypeoftest-ceIcushionIbackITestsshallbeclassifiedbytpeasshowninTableILoadOOaccordingtotheobjectivesofthetestsandtheHardnes

6、sDistributionOOcharacteristicsofthetestpiecetobetested.SurfaceHardnessOO4.2Testapplicability-VibrationOThetestsshallbeappliedasshowninTable2dependingDampingO-onthepiecetobetested.Normativereferences:JED4607Threedimensionalmanikinsforuseindefiningautomobileseating

7、accommodations(3DM-JM50)JIS28401RulesforroundingoffofnumericalvaluesJASO2O09HippointofautomobileseatJASO2215GlossaryoftermsrelatingtoseatsofautomobilesIS06549Roadvehicles-ProcedureforH-pointdetermination1JAS0B407-875.Generaltestconditions5.1.2Mountingthepressingp

8、latesontothetester5.1PressingplatesUnlessotherwisespecified,themountingportionofthepressingplatesshallbeattachedtothetesterbymeansofPressingplatestobeusedinthe