钣金冲压件质量要求

华为技术内部技术标准DKBA0.450.0040REVC钣金冲压件质量要求SpecificationForSheet-metalPunchingPart2023年07月30日发布20012年09月1日实施华为技术HuaweiTechnologiesCo.,Ltd.版权所有侵权必究Allrightsreserved密级：秘密REF文档编号DKBA0.450.0040REV.CTIME\@"yyyy-M-d"2023-1-31华为机密，未经许可不得扩散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.Fu