JASO B407-1987 英文版 汽车座椅舒适性试验规程

JAPANESEAUTOMOBILESTANDARDJASOB407-87HardnessdistributionTestcodeofseatingcomfortforautomobileseatsHardnessdistributioncurve1.ScopeThisstandardspecifiesthetestmethodsforevaluatingthegeneralperformanceofautomobileseatsontheirseatingcomfortability.Remarks:Inthisstandard,units,numericalvaluesandequationsgivenin{}areconventionalunits,shownforreference.LoadHardnessDistributionSurfaceHardnessVibrationDamping2.PurposeOOOOOOOO--Thisstandardisdevelopedforstandardizingthetestmethodstobeusedfortestingtheseatingcomfortabilityofautomobileseatsandforensuringanadequateevaluationoftheseatingcomfortabilityoftheseseats.3.DefinitionsDefinitionsofprincipaltermsusedinthisstandardshallbepursuanttoJASOZ215(GlossaryofTermsRelatingtoSeatsofAutomobiles).4.Testtypesandtheirapplicability4.1TypesoftestsTestsshallbeclassifiedbytpeasshowninTableIaccordingtotheobjectivesofthetestsandthecharacteristicsofthetestpiecetobetested.4.2TestapplicabilityThetestsshallbeappliedasshowninTable2dependingonthepiecetobetested.ITypeoftestSurfaceHardnessVibrationrITable1TesttypesTestobjective1Characteristicstoexamine11Load-deflectioncurveIDeflectionDeflectingperformance1StaticspringconstantIHysteresislosscoefficientDampingperformance1Load-sinkagecurveISoftness1SinkageI1StaticspringconstantIAccelerationtransmissibilitycharacteristicsordisplacementtransmissibilitycharacteristicsResonancemagnificationVibrationperformance1DynamicspringconstantIDampingTable2Testapplicability-----TypeoftestSeatSeatTypeoftest-ceIcushionIbackINormativereferences:JED4607Threedimensionalmanikinsforuseindefiningautomobileseatingaccommodations(3DM-JM50)RulesforroundingoffofnumericalvaluesHippointofautomobileseatGlossaryoftermsrelatingtoseatsofautomobilesRoadvehicles-ProcedureforH-pointdeterminationJIS28401JASO2O09JASO2215IS065491JAS0B407-875.Generaltestconditions5.1Pressingplates5.1.2MountingthepressingplatesontothetesterUnlessotherwisespecified,themountingportionofthepressingplatesshallbeattachedtothetesterbymeansoftheuniversaljointstobeprovidedthere-betweenexceptPressingplatestobeusedinthetestsshallbeasfollows.5.1.1TypesofpressingplatesPressingplatesshallbeoffourkindsasshowninFig.1.Theyshallhavesufficientstrength,bodyrigidityandsurfacesmoothnesstomeetthetestingrequirements.casewhereacolumn-typepressingplateisusedrequiringdirectattachment5.1.3LoadingcenterofpressingplatesTheloadingcenterofthepressingplateshallbeatthecenteroftheuniversaljointFig.IPressingplatesFig.1-1JMtypeRrnForseatcushionSA-fubadinacentraLineconnectinghippointtokneepointPressingsurisceXForseatbackTorsolinePressingsurface-;;tYrksI:ConfigurationfthepressingplatesshallbepursuanttoSetPanorBackPanspecifiedinJISD4607(Threedimensionalmanikins(3DM-JM50)foruseindefiningautomobileseatingaccommodations)2:CenterofgravityofthepressingplateshallbebeonthelineX-XorY-Y.3:NumeralsinparenthesisshownintheFiguresareforreference.Theyindicatethedistancefromthehippointorthetorsolinetothepressingplate.2JAS0B407-87Fig.1-2AMtypeUnit:mmForSeatCushionForSeatBack--LoadingcentrePressingsurfaceTorsolinePressingsurfaceIXRemarksI:ConfigurationofthepressingplatesshallbepursuanttoSeatPanorBackPanspecifiedinJISD4607(Threedimensionalmanikins(3DM-JM50)foruseindefiningautomobileseatingaccommodations)2:CenterofgravityofthepressingplateshallbebeonthelineX-XorY-Y.3:NumeralsinparenthesisshownintheFiguresareforreference.Theyindicatethedistancefromthehippointorthetorsolinetothepressingplate.Fig.1-3TekkenTypeFig.1-4ColumnTypeUnit:mmForSeatCushionsandSeatBacks1INi4i3NYLoadingcentre8IFIPressingsurface$1ß30+13JASOB407-875.2ApplicabilityandsettingdirectionsofpressingplatesApplicabilityandsettingdirectionsofthepressingplatestobeusedinthetestsshallbeasfollows.5.2.1ApplicabilityofpressingplatesThepressingplatesshallbeappliedtothetestsasshowninTable3dependingonthetypeofpiecetobetestedandtypeofteststobeconducted.Table3ApplicationofpressingplatesWceTypeoftestTypeoftestISeatcushionISeatbackILoadHardnessDistributionJM-TypeAM-TypeTekken-TypeColumn-TypeJM-TypeAM-TypeTekket'-TypeColumn-TypeSurfaceHardnessIColumn-Type1Column-Type1VibrationDampingJM-TypeAM-TypeTekken-TypeJM-TypeAM-TypeTekken-TvDe5.2.2Settingdirectionsofpressingplates(1)FortheJM-andAM-types,thepressingplatesshallbesetaccordingtotheseatingmethodsprescribedinJISD4607andIS06549.(2)FortheTekken-type,thepressingplateshallbesetwithitslongersideplacedsidewaysontheseatcushionandlengthwaysontheseatback,asarule.5.3PointsofloadapplicationandloadingdirectionsLocationsoftheloadingpointsandloadingdirectionsshallbedeterminedasspecifiedbelowwiththetestpieceplacedatitsstandardmountingposition.(RefertoFig.2)Hip-point,Knee-point,TorsoLine,pointBandthereferencelineshereinreferredtoinFig.2arethepointsandlinesofstandarddesign.Ifthesestandardpointsorlinesarenotknown,theyshallbedeterminedbyactualmeasurement.5.3.1.LocationofloadingpointsLocationofpointsofloadingontothetestpieceshallbeasFollowsdependingonthetypeofpressingplates.(1)Seatcushion(a)FortheJM-andAM-types,thepointontheseatingcenterlineoftheseatcushion,32mmshiftedtowardthekneepoi