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DELL对电脑产品的材料要SpecificationDesktopChassis‘05MaterialsSpecificationSpecificationNumber:H9438Revision:A03Author:DellDesktopMechanicalEngineeringOwner:DellDesktopMechanicalEngineeringPROPRIETARYNOTEThisitemisthepropertyofDellInc.,Austin,Texasandcontainsconfidentialandtradesecretinformation.ThisitemmaynotbetransferredfromthecustodyofDellInc.,exceptasauthorizedbyDellInc.andthenonlybywayofloanforlimitedpurposes.ItmustnotbereproducedinwholeorinpartandmustbereturnedtoDellInc.uponrequestandinalleventsuponcompletionofthepurposeoftheloan.NeitherthisitemnortheinformationitcontainsmaybeusedbyordisclosedtopersonsnothavinganeedforsuchuseordisclosureconsistentwiththepurposetotheloanwithoutpriorwrittenconsentofDellInc.TableofContents1.REVISIONHISTORY............................................................................................................................................32.INTRODUCTION..................................................................................................................................................43.PLASTICS,POLYMERS,ANDCOMPOSITES................................................................................................64.STAMPINGMETAL...........................................................................................................................................125.DIECASTINGORTHIXO-MOLDINGMETAL............................................................................................146.PAINT....................................................................................................................................................................141.RevisionHistory1.RevisionHistoryRev.ECO/PCO#RevisionDescriptionApprovedByDateX00----InitialDraft03-Dec-2004X01----UpdatedSection2,addedmaterialsandaddedULflameratingsinmm.Re-namedspecificationtoChassis’05.AddedDieCastmaterialssection.25-Jan-2005A00176261InitialReleaseTimRadloffandHerveCantave07-Feb-2005A01177771CorrectedMoonlightSilverIIAkzoNobelpowderpaintdateinformation.RobertJohnson02-Mar-2005A02183485Addedmaterialsforelectro-gal,hotdippedandstainlesssteels.Addedadditionalplasticsuppliers,gradesandcolornumbers.SteveZielnicki,andJimSlagle06-June-2005A0302049CorrectedArcticSilverPowderCoat(P7049)PartNumberonpage14.RemovedglossrequirementswhicharedefinedbytheDellcolorpartnumberinAgile.JimSlagleandRobertJohnson03-October-20052.IntroductionAsthenumberofmaterialsandmaterialsupplierscontinuestoincrease,itisnecessarytodocumentDell’smechanicalchassismaterialspecifications.TheuseofachassismaterialspecificationallowsagenericnotetobeplacedonthepartdrawingthatreferencesthisspecificationbyanAgilepartnumber.Whenamaterialchangeismade,onlythisspecificationwillneedtoberevised(asopposedtochangingthematerialcalloutonindividualpartprints).However,ifthedrawingcontentconflictswiththischassismaterialspecification,thedrawingnotationsshallalwaystakeprecedenceandoverridethisspecification.Thisparticularchassismaterialspecificationisbasedonaproductgenerationapproachtocovermultiplechassis.Otherchassismaterialspecificationsmayonlyaddressindividualproductsoronlyasinglechassis.AllmaterialsthatareusedforproductionmustbePPAPapprovedbyDellpartnumberonanindividualpartbasisandpostedinAgileasdiscussedbelowinsection2.1.2.1Purpose/ObjectiveThepurposeofthisspecificationistodefinethematerialsthatareavailableandintendedforpartqualificationandproductionoftheDesktopChassis‘05programs.Thespecificrawmaterials(plastic,metalandpaint)listedinthisdocumentarenotqualifiedgloballyviaPPAPprocess.Instead,individualpartsarequalifiedwithaspecificmaterialormultiplematerialsviaPPAPprocess.Partswhosedrawingsreferencethisspecificationmustbequalifiedutilizingatleastoneofthematerialslistedinthisdocument.Onlymaterialsthatarelistedinthisspecificationmaybeusedforqualification.Onlymaterialsthatwereusedandapprovedduringthepartqualificationprocessmaybeusedforproduction.Inotherwords,partsmayonlybeproducedoutofmaterialsthatwereusedduringPPAPqualification.IndividualpartsmustbePPAPapprovedperENG0000016.ThePPAPforeachpartshallcontainacopyoftherawmaterialcertificationusedtoqualifythepartperENG0000016.ThePPAPapprovalsshallbepostedinAgilepriortoproduction.Ifasupplierwishestoqualifymultiplematerials,resinsorresinsuppliers,aseparatePPAPforeachmaterialpertoolmustbesubmittedandapprovedperENG0000016.Suppliersmayonlyrunproductionoutofmaterialsthattheyhave,themselves,PPAPqualified.Incaseswheresuppliershavemorethatoneplasticsupplierqualifiedonthesamepart,suppliersarenotallowedtocombinedifferentresinsuppliersintotheassemblyofachassisonexternalcosmeticparts.Theintentistopreventslightcolorvariationsbetweenresinsuppliersfrombeingnoticeableorvisibletotheendcustomer.2.2ScopeThisspecificationdefinestheDellInc.requirementsformaterialsthatareavailableforqualificationandproductionontheDesktopChassis‘05chassisprograms.2.3ReferencesMaterialslistedinSection3and4mustcomplywiththebelowspecificationandrespectivecolorstandards:DellRestrictedMaterials“SPEC,DFE,RESTRICTED-MTL”(MaterialsSpecification(6T198)Res