JASO B407-1987 英文版 汽车座椅舒适性试验规程

JAPANESEAUTOMOBILESTANDARDJASOB40787HARDNESSDISTRIBUTIONTESTCODEOFSEATINGCOMFORTFORAUTOMOBILESEATSHARDNESSDISTRIBUTIONCURVE1SCOPETHISSTANDARDSPECIFIESTHETESTMETHODSFOREVALUATINGTHEGENERALPERFORMANCEOFAUTOMOBILESEATSONTHEIRSEATINGCOMFORTABILITYREMARKSINTHISSTANDARD,UNITS,NUMERICALVALUESANDEQUATIONSGIVENINARECONVENTIONALUNITS,SHOWNFORREFERENCELOADHARDNESSDISTRIBUTIONSURFACEHARDNESSVIBRATIONDAMPING2PURPOSEOOOOOOOOTHISSTANDARDISDEVELOPEDFORSTANDARDIZINGTHETESTMETHODSTOBEUSEDFORTESTINGTHESEATINGCOMFORTABILITYOFAUTOMOBILESEATSANDFORENSURINGANADEQUATEEVALUATIONOFTHESEATINGCOMFORTABILITYOFTHESESEATS3DEFINITIONSDEFINITIONSOFPRINCIPALTERMSUSEDINTHISSTANDARDSHALLBEPURSUANTTOJASOZ215GLOSSARYOFTERMSRELATINGTOSEATSOFAUTOMOBILES4TESTTYPESANDTHEIRAPPLICABILITY41TYPESOFTESTSTESTSSHALLBECLASSIFIEDBYTPEASSHOWNINTABLEIACCORDINGTOTHEOBJECTIVESOFTHETESTSANDTHECHARACTERISTICSOFTHETESTPIECETOBETESTED42TESTAPPLICABILITYTHETESTSSHALLBEAPPLIEDASSHOWNINTABLE2DEPENDINGONTHEPIECETOBETESTEDITYPEOFTESTSURFACEHARDNESSVIBRATIONRITABLE1TESTTYPESTESTOBJECTIVE1CHARACTERISTICSTOEXAMINE11LOADDEFLECTIONCURVEIDEFLECTIONDEFLECTINGPERFORMANCE1STATICSPRINGCONSTANTIHYSTERESISLOSSCOEFFICIENTDAMPINGPERFORMANCE1LOADSINKAGECURVEISOFTNESS1SINKAGEI1STATICSPRINGCONSTANTIACCELERATIONTRANSMISSIBILITYCHARACTERISTICSORDISPLACEMENTTRANSMISSIBILITYCHARACTERISTICSRESONANCEMAGNIFICATIONVIBRATIONPERFORMANCE1DYNAMICSPRINGCONSTANTIDAMPINGTABLE2TESTAPPLICABILITYTYPEOFTESTSEATSEATTYPEOFTESTCEICUSHIONIBACKINORMATIVEREFERENCESJED4607THREEDIMENSIONALMANIKINSFORUSEINDEFININGAUTOMOBILESEATINGACCOMMODATIONS3DMJM50RULESFORROUNDINGOFFOFNUMERICALVALUESHIPPOINTOFAUTOMOBILESEATGLOSSARYOFTERMSRELATINGTOSEATSOFAUTOMOBILESROADVEHICLESPROCEDUREFORHPOINTDETERMINATIONJIS28401JASO2O09JASO2215IS065491JAS0B407875GENERALTESTCONDITIONS51PRESSINGPLATES512MOUNTINGTHEPRESSINGPLATESONTOTHETESTERUNLESSOTHERWISESPECIFIED,THEMOUNTINGPORTIONOFTHEPRESSINGPLATESSHALLBEATTACHEDTOTHETESTERBYMEANSOFTHEUNIVERSALJOINTSTOBEPROVIDEDTHEREBETWEENEXCEPTPRESSINGPLATESTOBEUSEDINTHETESTSSHALLBEASFOLLOWS511TYPESOFPRESSINGPLATESPRESSINGPLATESSHALLBEOFFOURKINDSASSHOWNINFIG1THEYSHALLHAVESUFFICIENTSTRENGTH,BODYRIGIDITYANDSURFACESMOOTHNESSTOMEETTHETESTINGREQUIREMENTSCASEWHEREACOLUMNTYPEPRESSINGPLATEISUSEDREQUIRINGDIRECTATTACHMENT513LOADINGCENTEROFPRESSINGPLATESTHELOADINGCENTEROFTHEPRESSINGPLATESHALLBEATTHECENTEROFTHEUNIVERSALJOINTFIGIPRESSINGPLATESFIG11JMTYPERRNFORSEATCUSHIONSAFUBADINACENTRALINECONNECTINGHIPPOINTTOKNEEPOINTPRESSINGSURISCEXFORSEATBACKTORSOLINEPRESSINGSURFACETYRKSICONFIGURATIONFTHEPRESSINGPLATESSHALLBEPURSUANTTOSETPANORBACKPANSPECIFIEDINJISD4607THREEDIMENSIONALMANIKINS3DMJM50FORUSEINDEFININGAUTOMOBILESEATINGACCOMMODATIONS2CENTEROFGRAVITYOFTHEPRESSINGPLATESHALLBEBEONTHELINEXXORYY3NUMERALSINPARENTHESISSHOWNINTHEFIGURESAREFORREFERENCETHEYINDICATETHEDISTANCEFROMTHEHIPPOINTORTHETORSOLINETOTHEPRESSINGPLATE2JAS0B40787FIG12AMTYPEUNITMMFORSEATCUSHIONFORSEATBACKLOADINGCENTREPRESSINGSURFACETORSOLINEPRESSINGSURFACEIXREMARKSICONFIGURATIONOFTHEPRESSINGPLATESSHALLBEPURSUANTTOSEATPANORBACKPANSPECIFIEDINJISD4607THREEDIMENSIONALMANIKINS3DMJM50FORUSEINDEFININGAUTOMOBILESEATINGACCOMMODATIONS2CENTEROFGRAVITYOFTHEPRESSINGPLATESHALLBEBEONTHELINEXXORYY3NUMERALSINPARENTHESISSHOWNINTHEFIGURESAREFORREFERENCETHEYINDICATETHEDISTANCEFROMTHEHIPPOINTORTHETORSOLINETOTHEPRESSINGPLATEFIG13TEKKENTYPEFIG14COLUMNTYPEUNITMMFORSEATCUSHIONSANDSEATBACKS1INI4I3NYLOADINGCENTRE8IFIPRESSINGSURFACE13013JASOB4078752APPLICABILITYANDSETTINGDIRECTIONSOFPRESSINGPLATESAPPLICABILITYANDSETTINGDIRECTIONSOFTHEPRESSINGPLATESTOBEUSEDINTHETESTSSHALLBEASFOLLOWS521APPLICABILITYOFPRESSINGPLATESTHEPRESSINGPLATESSHALLBEAPPLIEDTOTHETESTSASSHOWNINTABLE3DEPENDINGONTHETYPEOFPIECETOBETESTEDANDTYPEOFTESTSTOBECONDUCTEDTABLE3APPLICATIONOFPRESSINGPLATESWCETYPEOFTESTTYPEOFTESTISEATCUSHIONISEATBACKILOADHARDNESSDISTRIBUTIONJMTYPEAMTYPE“TEKKEN“TYPECOLUMNTYPEJMTYPEAMTYPE“TEKKETTYPECOLUMNTYPESURFACEHARDNESSICOLUMNTYPE1COLUMNTYPE1VIBRATIONDAMPINGJMTYPEAMTYPE“TEKKEN“TYPEJMTYPEAMTYPE“TEKKEN“TVDE522SETTINGDIRECTIONSOFPRESSINGPLATES1FORTHEJMANDAMTYPES,THEPRESSINGPLATESSHALLBESETACCORDINGTOTHESEATINGMETHODSPRESCRIBEDINJISD4607ANDIS065492FORTHE“TEKKEN“TYPE,THEPRESSINGPLATESHALLBESETWITHITSLONGERSIDEPLACEDSIDEWAYSONTHESEATCUSHIONANDLENGTHWAYSONTHESEATBACK,ASARULE53POINTSOFLOADAPPLICATIONANDLOADINGDIRECTIONSLOCATIONSOFTHELOADINGPOINTSANDLOADINGDIRECTIONSSHALLBEDETERMINEDASSPECIFIEDBELOWWITHTHETESTPIECEPLACEDATITSSTANDARDMOUNTINGPOSITIONREFERTOFIG2HIPPOINT,KNEEPOINT,TORSOLINE,POINTBANDTHEREFERENCELINESHEREINREFERREDTOINFIG2ARETHEPOINTSANDLINESOFSTANDARDDESIGNIFTHESESTANDARDPOINTSORLINESARENOTKNOWN,THEYSHALLBEDETERMINEDBYACTUALMEASUREMENT531LOCATIONOFLOADINGPOINTSLOCATIONOFPOINTSOFLOADINGONTOTHETESTPIECESHALLBEASFOLLOWSDEPENDINGONTHETYPEOFPRESSINGPLATES1SEATCUSHIONAFORTHEJMANDAMTYPES,THEPOINTONTHESEATINGCENTERLINEOFTHESEATCUSHION,32MMSHIFTEDTOWARDTHEKNEEPOINTFROMTHEHIPPOINTSPECIFIEDINJASO2O09HIPPOINTOFAUTOMOBILESEATBFORTHE“TEKKEN“ANDCOLUMNTYPES,THEPOINTONTHESEATINGCENTERLINEOFTHESEATCUSHION,130M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