TL_82438 引擎盖锁系统

Klass.-Nr./Class.No.8DD30January2007EngineHoodLockingSystemRequirementsandTestingTL82438KonzernnormDescriptors:enginehood,lockingsystem,lock,striker,latchPage1of14Fachverantwortung/TechnicalresponsibilityNormung/Standards(E2TC,1733)TiefenbachE2KTMenkeTel:[phone],E1KT/4NehlTel:[phone]NE-MP/VWilmaTel:[phone]Tel.:[phone]TerlindenConfidential.Allrightsreserved.NopartofthisdocumentmaybetransmittedorreproducedwithoutpriorpermissionofaStandardsDepartmentoftheVolkswagenGroup.PartiestoacontractcanonlyobtainthisstandardviatheB2Bsupplierplatform“”.VOLKSWAGENAGNormvorAnwendungaufAktualitätprüfen/Checkstandardforcurrentissuepriortousage.FormFE41-09.06ChangesThefollowingchangeshavebeenmadeascomparedtoTechnicalSupplySpecificationTL82438,2006-05:─4.1GeneralfunctionalrequirementsPreviousissues2006-051ScopeThisstandardspecifiestherequirementsandtestsforenginehoodlockingsystemsonpassengercarsandcommercialvehicles.Theenginehoodlockingsystemconsistsoflockwithlatchmechanism,includingstriker.Theenginehoodreleasesystem,e.g.bowdencableandreleaselever,isdealtwithseparatelyinTechnicalSupplySpecificationTL82439.2DescriptionRequirementsandtestsforenginehoodlockingsystem.3Requirements3.1GeneralrequirementsApprovaloffirstsupplyandchangesaccordingtoVolkswagenstandardVW01155.AvoidanceofhazardoussubstancesaccordingtoVW91101.Partsmustbe─suitableforlarge-scaleproduction,─reliableinallvehicleoperatingstatesovertheentireservicelife,─maintenance-freeovertheservicelife,─freeofanynoisethatwouldbebothersometothecustomer.(SpecificationprovidedbytherelevantdepartmentassumingtechnicalresponsibilityorbyQualityAssurance)TheEnglishtranslationisbelievedtobeaccurate.IncaseofdiscrepanciestheGermanversionshallgovern.NumericalnotationaccordingtoISOpractice(seeVW01000).Page2TL82438:2007-013.2RequirementsregardingaggressivemediaTheenginehoodlockingsystemsmustberesistanttoallmediaoccurringinthevehicle,indrivingoperationandintheenvironment,suchas─acrylate(sealantremoverUSA)─steamjettreatment─sealantremovalbykerosene/watermixtureat80°C─sealantscommonlyusedintheautomotiveindustry─alltypesoffuel─coolantwithantifreeze─commerciallyavailablecleaningagentsformotorvehicles─salts(de-icingsalt,saltfog)─tars,oils3.3RequirementsofnationalregulationsTestsshallbeperformedtocheckwhethertheenginehoodlockingsystemsconformtotherequirementsoftherespectiveintendedmarkets(thelatestversionoftheregulationsisdefinitive).Themainrequirementsare:─FederalMotorVehicleSafetyStandardFMVSS219(WindshieldIntrusionTest)─FMVSS113(HoodLatchSystem)3.4InternalsafetyspecificationsCheckwhethertheenginehoodlockingsystemsconformtotheinternalsafetyspecifications,essentiallycollisiontests(crash),pedestrianprotectionandfunctionalroadtrialforlatchmechanism(DevelopmentTestSpecificationEP81601.16).Thescopeshallbeagreeduponwiththeresponsibleengineeringdepartmentsassumingtechnicalresponsibility,takingintoconsiderationlegislationandregulationsthatareapplicableontheintroductiondate.3.5Anti-theftprotectionrequirementsEnginehoodlockingsystemsmustcomplywiththeanti-theftprotectionrequirementsaccordingtoEP04500.10.Itmustnotbepossibletounscrewtheenginehoodlockingsystemorpartsofthesystemfromtheoutsidewhentheenginehoodisclosedorremovetheminanyotherway.3.6PartsmarkingInconsultationwiththedepartmentassumingtechnicalresponsibilityaccordingtoVW10500.4Functionalrequirements4.1GeneralfunctionalrequirementsOperatingtemperaturerange-40°Cto+100°C(upto+120°Cforlimitedregionsanddurationsinkeepingwithspecificationsprovidedbythedepartmentassumingtechnicalresponsibility)Page3TL82438:2007-014.2FunctionalrequirementsforhoodlockASSY4.2.1Tensileforce(teartest)Thetearstrengthofthelockedlockingsystemwillbetested.ThepermissibleactuationforcesarelistedinTable1.Thelockingsystemmustbefullyfunctionaluptotheseforces.Thenecessarytestparametersaretobebeagreeduponwiththedepartmentassumingtechnicalresponsibility.FortensileforcesF1andF2(Figure1)seealsoSection4.3.3(Pull-outforceatstrikerF1)andSection4.3.2(Pull-outforceatlatchF2).ThevalueforF2(latch)canberaisedifreliabletop-speeddataandthegeometryofthefrontendaretakenintoaccount.Thismustbeconfirmedbymisusetestsperformedinawindtunnel.Table1–ActuatingforcesTearstrengthF1[N]F2[N]Lock–striker5000Latch–counterbearing30001)=plasticdeformationisnotpermissiblebelowforcesofF2=1800N.Figure1–TensileforcesF1F2Page4TL82438:2007-014.2.2EjectionforceTheejectionforcewhenreleasingthelockingsystemwillbetested.Thenecessarytestparametersaretobebeagreeduponwiththedepartmentassumingtechnicalresponsibility.Figure2–EjectionforceTheejectionforceF3ismeasured3mmbeforereachingtheendposition“open”.(Figure2)F3=Fweightofhood+20to30NTheejectionforceF3mustensuretheenginehoodliftsoutsafely,makingallowanceforanadequateexcessforce.Thelift-outpathwillbedefinedbythedepartmentassumingtechnicalresponsibility.Page5TL82438:2007-014.2.3ClosingforceTheclosingforceofthereleasedlockingsystemwillbetested.Thenecessarytestparametersaretobebeagreeduponwiththedepartmentassumingtechnicalresponsibility.Fi