Klass.-Nr.50321September2000VehiclePartsTestingofResistancetoEnvironmentalCycleTestPV2005KonzernnormDescriptors:environmentalcycletest,IRradiator,climaticchamberContinuedonpages2to3Fachverantwortung/ResponsibilityNormung/Standards(EZTN,1733)K-GQ-31SlawikTel:-34197Dr.SchwarzerWiesnerTel:+49-5361-929064SobanskiVertraulich.AlleRechtevorbehalten.WeitergabeoderVervielfältigungohnevorherigeschriftl.ZustimmungderVolkswagenAG,EZTN,nichtgestattet.VertragspartnererhaltendieNormnurüberdiezuständigeBeschaffungsabteilung.Confidential.Allrightsreserved.NopartofthisdocumentmaybetransmittedorreproducedwithoutthepriorwrittenpermissionoftheVolkswagenGroup,EZTN,StandardDepartment.Partiestoacontractcanonlyobtainthisstandardviatheresponsibleprocurementdepartment.ÓVOLKSWAGENAGFormFE41-10.99ChangesThefollowingchangeshavebeenmadeascomparedtotheJune1983issue:-Divisionofthetestintotwovariants,AandBPreviousIssuesFirstissue:1983-061ScopeThistestspecificationisusedinsampleandseriesmonitoringtestsforqualitytestingofvehicleparts,inparticularGroupparts,intheenvironmentalcycletestbothinunusedconditionaswellasaftercomponent-specificpre-aging.Thebehaviorofthepartsduringenvironmentalcyclestressingshallbeassessedhere(e.g.sus-ceptibilitytocracks,deformation,separationofthecompositematerial,etc.).PV2005,VariantAsinglepartsPV2005,VariantBcompletevehicle,withIRradiatorsupport2RequirementsForadditionalrequirementsseetheTLand/ordrawing.3DesignationExamples:-Freeofcracksafter100cyclesofclimaticaginginanenvironmentalcycletestacc.toPV2005-Awithoutpre-aging-Nodeformationafter50cyclesofclimaticaginginanenvironmentalcycletestacc.toPV2005-Bwithpre-aging.4TestProcedure4.1TestingThepartstobetested(asasinglepartoranASSY)orthevehicleareplacedinthepreparedcli-maticchamberandassessedaftertherequirednumberofcycles.4.1.1AgingAccordingtotechnicalsupplyspecificationordrawing(drawingentriestakeprecedence).TheEnglishtranslationisbelievedtobeaccurate.IncaseofdiscrepanciestheGermanversionshallgovern.Page2PV2005:2000-094.1.2ClimaticAgingNumberofcyclesaccordingtotechnicalsupplyspecificationordrawing(drawingentriestakeprecedence).Theholdingtimesmustalwaysbemaintained.Thecooling-offandheating-upphasescanbevar-iedaccordingtotheperformancecapabilityoftheclimaticchambersused,evenifthisextendsthecycledurationspecifiedforbothvariantsbymax.1/3.Deviationsshallbespecifiedinthetestre-port.Thehumiditymustnotbecontrolledinthecoldphases(temperature0°C),howeveritshouldnotexceed30%rel.humidity.Thechambersareloadedintheholdingphaseat+23°Cand30%rel.humidity.4.1.2.1VariantA(SingleParts)1cycle(seealsoDiagram1)takes12hoursandincludesthefollowingtemperatureandclimaticconditions:-40minutesHoldingtimeat+23°Cand30%rel.humidity-90minutesCooling-offphasefrom+23to-35°Cat30%rel.humidity-60minutesHoldingtimeat-35°Candmax.30%rel.humidity-80minutesHeating-upphaseto+50°Cand80%rel.humidity-120minutesHoldingtimeat+50°Cand80%rel.humidity-30minutesHeating-upphaseto+80°Cand30%rel.humidity-240minutesHoldingtimeat+80°Cand30%rel.humidity-60minutesCooling-offphaseto+23°Cand30%rel.humidityTheactualwatercontentoftheairmustnotexceed95g/m³duringthephaseofheatingupto+80°C,30%rel.humidity.Atnotimeduringtestingofpartsfromthevehicleinteriormaythespecimenpartsexhibitsignsofcondensation.PV2005SinglepartsTemperature[°C]/rel.humidity[%]Time[min]ATemperatureSRel.humidityDRel.humidity,uncontrolledFigure1:Diagram1Page3PV2005:2000-094.1.2.2VariantB(CompleteVehicle,withIRRadiatorSupport)1cycle(seealsoDiagram2)takes24hoursandincludesthefollowingtemperatureandclimaticconditions:-60minutesHoldingtimeat+23°Cand30%rel.humidity-150minutesCooling-offphasefrom+23to-35°Cat30%rel.humidity-120minutesHoldingtimeat-35°Candmax.30%rel.humidity-150minutesHeating-upphaseto+45°Cand30%rel.humidity-180minutesMoisteningphaseto+45°Cand95%rel.humidity-240minutesHoldingtimeat+45°Cand95%rel.humidity-30minutesDryingphaseto+42°Cand30%rel.humidity-450minutesHoldingtimeat+42°Cand30%rel.humidity-60minutesCooling-offphaseto+23°Cand30%rel.humidityPV2005CompletevehicleTemperature[°C]/rel.humidity[%]Time[min]ATemperatureSRel.humidityDRel.humidity,uncontrolledFigure2:Diagram2Theholdingphaseat+23°Cand30%rel.humiditycanbeusedforloadingthechambersorcar-ryingoutservicingwork.Thevehicleshallbeirradiatedwithmedium-waveinfraredradiators(withoutradiationintheUVrange≤400nm)duringtheheatphase(+42°C,30%rel.humidity)suchthatanoutsidetem-peratureof+90°Cisgeneratedontheroofandinthevicinityofthedooruppertrims.Themaxi-mumtemperaturesestablishedfortherelevantvehicletypeduringopenairweatheringmustbesetforthefollowingcomponents/areasinthepassengercompartment:-Dashboard,centertopscoop-Dooruppertrims-Rearshelf/loadcompartmentcover-HeadroomTheradiatorscanbeusedatalowerpowersettingduringtheheating-upphaseandthemoisten-ingphase(-35to+45°C;30to95%rel.humidity)toevenlyheatthevehicleandthechambers.