GMW 14685-2007 Determination of the Compressibility of

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1、WORLDWIDETestMethodENGINEERINGGMW14685MaterialsSTANDARDSDeterminationoftheCompressibilityofaCellularElastomerataDefinedDeflectionTable1:TestVelocityCoding1ScopeCode130±3mm/minuteTheobjectofthisstandardisthedeterminationofCode2100±10mm/minutethecompressi

2、bilityofaweatherstriporothersealingordampingmaterialofcellularelastomeratCode3otheragreedupontestvelocitiesasadefineddeflection.Theweatherstripshallbestatedontherespectivepartdrawingmountedintheappropriatefixture;othersealingorandtestreport.dampingmater

3、ialshallbepositionedonanevensurfaceanddeflectedatauniformspeed.Thedeflectionspecifiedshallbecomparabletothatof3.3TestPieceMountingFixture.Thetestpiecesthesealinginservice.ofweatherstripsshallbesupportedbytestfixtures,Note:Nothinginthisstandardsupersedes

4、whichshapeanddimensionsaredefinedintheapplicablelawsandregulations.respectivepartdrawingormathdatafile.InspecialcasesthetestpiecemaybepositionedonanevenNote:IntheeventofconflictbetweentheEnglishsurface.Thelengthofthetestpiecemountinganddomesticlanguage,

5、theEnglishlanguageshallfixtureshallbeatleastequaltothatofthetesttakeprecedence.piece.Thefixturemustallowforsecurepositioninginthetestmachine.2References3.3.1TestPieceMountingFixtureforGlassRunNote:OnlythelatestapprovedstandardsareChannels.Thefixturemust

6、allowtheglasstobeapplicableunlessotherwisespecified.insertedintothechannelattheproperdepth2.1ExternalStandards/Specifications.withoutcompressingthelipbeingtested.(ThelipmustonlybecompressedverticallyduringtheISO7500-1ISO9513test).2.2GMStandards/Specific

7、ations.3.4MetalPressureFoot.TheshapeandON25dimensionsofthepressurefootiscomponent2.3AdditionalReferences.dependent.Fixturesshallbemadeofanaluminummaterialorsteel.ShapedpressurefeetshallbeStatementofRequirements(SOR)madeusinganelectrodischargemachining(E

8、DM)wireburnprocess.Unlessotherwisestatedthe3TestEquipmentfinishofthepressurefootshallbeasfollows:3.1TestMachine.Thetestmachineshallfulfillthe•Ra=0.03µmfollowingrequirements:•Rz1max=0.3µmTheforcemeasuringdeviceofthetestmachineshal