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1、橡胶密封件隔声性能测试实验室的设计(Designofrubbersealisolationperformancetestlaboratory)In2009..5valvesPhase5(total.L26)Guangxilightindustry..GuANGxIJ0uRNAL0FLIGHT[NDusTRYresourcesandenvironmentDesignofrubbersealisolationperformancetestlaboratoryZhangaihua,lizhiyuan..(hefeiind
2、ustrialuniversitynoisevibrationresearchinstitute,anhuihefei..2300009).[abstract]accordingtotherequirementsofrubbersealproductionenterprises,combiningwithdomesticandforeigntechnology,thedesignofreverberationroomandanechoicchamberwascarriedout,andanacousticlabor
3、atorywasestablishedThedesignofthetestchamber,ventilationroomandthesharpcuttingroomisdesignedtobrieflysummarizethecompositionofthetestsystem.Aftertheexperiment,alltheindicatorshavereachedthestandardandcanbeused.[keywords]silenceroom;Reverberationchamber[Chinese
4、imageclassificationnumber]x839.1[literatureidentificationcode]A1theintroductionNowadays,allcountriesintheworldpaycloseattentiontothenoisepollutionofcars,carsNoisepollutionmainlyaffectstwoareas:oneistheinfluenceontheexternalenvironment,andtheotheraOneistheeffec
5、tontheinteriorofthecar.Tothisend,ChinahaspromulgatedtheautomobileaccelerationvehicleExternalnoiselimitandmeasurementmethod(gb1495-20o2)Value..(GB1617O1996),"in-carnoisemeasurementmethod."(GB18697-20O4),aseriesofmeasurementcriteriaequivalenttointernationalstand
6、ardControlstandardstocontrolthenoiseofcars.AndthecarsteeringgearandothersealsareToreducethenoiseinthecar,thesoundinsulationperformanceisatenEffectivenoisereductionmeasures.Inordertoeffectivelyimprovethesoundinsulationperformanceandcontroltechnologyofrubberseal
7、s,expandMarketshare,improvecompetitiveness.YoumustenterintorubbersealssuchassteeringgearPerformacousticperformancetestingandestablishanacousticlaboratoryasaresearchanddevelopmentsite.InthisInthebackground,theacousticperformancemeasurementlaboratoryofrubberseal
8、wasestablishedinthecompanyPointsisnecessary.2.OverviewofacoustictestofdomesticandouterautomobilesealsThemajorforeignautocompaniesareinthecar.NVHtechnologyapplicationprocessAttachgr