PV3905-EN-2005-09-01

Klass.-Nr./Class.No.55031September2005OrganicMaterialsBallDropTestPV3905KonzernnormDescriptors:balldroptest,balldrop,ballContinuedonpage2Fachverantwortung/ResponsibilityNormung/Standards(EZTD,1733)K-GQL-1/1PalmTel.:-35062LüttigDr.SchillingFr.KrenzTel.:[phone]SobanskiConfidential.Allrightsreserved.NopartofthisdocumentmaybetransmittedorreproducedwithoutpriorpermissionofaStandardsDepartmentoftheVolkswagenGroup.PartiestoacontractcanonlyobtainthisstandardviatheB2Bsupplierplatform“”.VOLKSWAGENAGNormvorAnwendungaufAktualitätprüfen/Checkstandardforcurrentissuepriortousage.FormFE41-01.05ChangesThefollowingchangeshavebeenmadeascomparedtoTestSpecificationPV3905,1990-02:─AgingandtestconditionsmodifiedChangesascomparedtothelastissuearemarkedbyaverticalbaronthesideofthemodifiedtextblock.Previousissues1972-05;1990-021ScopeThisstandarddescribesthetestfordeterminingthematerialbehaviorinaballdroptestatconstanttemperature(e.g.susceptibilitytobreakingandcrackingatlowtemperatures)forcomponentssuchassheets,foilsortrimpanelsmadefromorganicmaterials.2SpecimenremovalandtestpreparationThespecimensshallbecleanandfreeofforeignmatter.Unlessotherwiseagreedupon,atleast5specimensshallberemoved.Inthecaseofrollstock,specimenremovalshallbeevenlydistributedovertheentirewidth,inthecaseofmoldedpartsspecimensshallbetakenfromaslevelasurfaceaspossible.Thetestingareaofthespecimenshallbelocatedontheaxisofguidetubeandbaseplaterecess(seeFigure1).Itshallbeheldinpositionbytheerectedtube;thecontactsurfaceofthetubeshallcorrespondtoaloadperunitareaofapprox.50g/cm².Thespecimenedgemustproject≥5mmonallsides.Theballshallbeplacedcarefullyontheballholder,e.g.usingamagnetwithrepulsivedevice.Theballdropheight(seeFigure1:h)shallmeasure200,230,300upto(700±1)mm(from300mmoninintervalsof50mm).Theballshallfallperpendicularly.3TestequipmentandschematicsetupSeeFigure1.TheEnglishtranslationisbelievedtobeaccurate.IncaseofdiscrepanciestheGermanversionshallgovern.Page2PV3905:2005-094AgingandtestconditionsAgingduration(22±2)h;agingtemperatureaccordingtoapplicableTechnicalSupplySpecification(TLstandard)and/ordrawing:─(-30±1)°Cforcomponentsusedinthevehicleinterior(e.g.dashboard,doortrimpanels,carpets)andexterioradd-onparts(e.g.bumper,plasticfender).─(-40±1)°Cforsafety-relevantcomponents(e.g.chassis,fueltank)Ball-dropheight:230mm.Deviationsfromagingtemperatureandball-dropheightaccordingtoTLstandardand/ordrawing.Agingstartswithinsertingtheball-dropdevicepreparedfortestingintothetestroomconditionedatagingtemperature,andendswiththeballdropatagingtemperatureafterthespecifiedagingduration.5TestreportThefollowingshallbespecifiedinthetestreport:1.Agingdurationandagingtemperature2.Balldropheight3.Additionalordeviatingtestconditions4.FindingsFigure1–TestequipmentLegend1Stainlesssteelball,Ø(50.0±0.03)mm,(500±5)g2Guidetube,smoothontheinside,Ø(53.0+0.5)mm,withslotsforballholder3Ballholder,mechanicallyorelectro-mechanicallyremovable4Contactsurfacecorrespondingtoaloadperunitareaofapprox.50g/cm²5Specimen,protruding≥5mmoverthetubecontactsurface6Albaseplate,with(10±0.5)mmrecessandØ(50.0±0.5)mm,upperedgeradiusr=1