鈑金沖壓件質(zhì)量要求

DKBA華為技術(shù)有限公司內(nèi)部技術(shù)規(guī)范DKBA0.450.0040REVC鈑金沖壓件質(zhì)量要求SpecificationForSheet-metalPunchingPart2012年07月30日發(fā)布20012年09月1日實(shí)施華為技術(shù)有限公司HuaweiTechnologiesCo.,Ltd.版權(quán)所有侵權(quán)必究Allrightsreserved密級(jí)：秘密REF文檔編號(hào)DKBA0.450.0040REV.CTIME\@"yyyy-M-d"2015-6-16華為機(jī)密，未經(jīng)許可不得擴(kuò)散HuaweiConfidential第DKBA0.450.0040REV.CInspectionRuleInspectionCategoryGeneralInspectionGeneralinspectioninvolvesappearancechecks,sizeandallowancetests,andregularperformancetestsforsheetmetalsaccordingtodesignandtechnicaldocuments.Appearancechecksconfirmthesheet-metalpunchingpartsbytouch,visualassessment,illuminationandreflection,andilluminationandprojectionetc.Sizeandallowancetestsexaminethesize,shape,positionandtoleranceofsheet-metalpunchingpartswithtools,fixturesandmeasures.Ageneralinspectioncanbeconductedaccordingtotherequirementsoftechnicaldocumentsorstandardsamples.SupplementaryInspectionSupplementaryinspectionsareinspectionsotherthangeneralinspections,includingthefollowingtests:hardness,magnetic,elastic,penetration,andNDTinspection.InspectionRulesFirstarticleinspections(FAI),patrolinspections,andacceptanceinspectionsshouldbeconductedonsheet-metalpunchingparts;Usuallyonlyageneralinspectionisneededforsheet-metalpunchingparts;Ifrequired,supplementaryinspectionsareneededaccordingtodesignandtechnicaldocuments;Ifneeded,randomorfullcheckscanbeconductedonbatchsheet-metalpunchingparts.RandomchecksshouldadheretoGB2828andGB2829provisions.Fullcheckingisonlyforthemainparts(includingspecifiedappearancerequirements).InspectionProvisionsMeasurementsaretakenatthemaximumsizepointforblankedandshearedparts,andtheminimumpointforinnerholes;Thediameterofstopholesandsizeoftechnicalslotsareonlyinspectedwhenexpandingthematerial,butnotafterformation.Shapesofpartsmaybedeformedafterprocessingandrestoredduringassemb