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1、1.0PURPOSE目的Thepurposeofthisstandardistodefinethepartcleanlinessrequirementgoalsforenginereadycomponents.Componentcleanlinessdirectlycorrelatestobreakindamageandlongtermreliability.此标准目的是说明零件清洁要求目标.组件清洁度直接关联损坏和长期的可靠性2.0SCOPE范围2.1Thisprocedureappliestoallpurchasedandmanufacturedpartsthatarereadyf
2、orassemblyintoanengine.Thisstandardsupersedesallothercleanlinessrequirements.Ifthisstandardconflictswithanycitedreference,thisstandardtakesprecedence.Thisstandarddoesnotapplytoroughcastingsorcomponentsinprocess.此程序应用于所有的组装到一个发动机里的购买和生产的零件.此规范代替所有其他的清洁度要求.如果此标准和任何引用参考冲突.适用此规范.此规范不适用毛坯铸件或组件.2.2The
3、samplingproceduresaredefinedinDWI-05-8575.取样程序定义在DWI-05-85752.3Thecleanlinessrequirementsaregroupedbyenginefamilies.清洁度要求依照发动机型号分组2.4PartsaspurchasedshallmeetthevisualcleanlinessandresidualmagnetismrequirementsofSTD-05-0852.购买的零件满足可视清洁度和残余磁性要求,STD-05-08523.0DEFINITIONSANDREFERENCEDOCUMENTS术语和参考文
4、件3.1Definitions3.1.1VisualCleanliness–Freeofabrasivedebrisoradhesivewearobservablewithoutanyopticalcorrectionbeyond20/20correctivelenses.视觉清洁–无研磨碎屑或看得见的黏着磨损没有任何视觉纠正超过20/20纠正镜片。§Allmachinedandfabricatedpartsaretobedeliveredclean,freeofrustwithoutchips,dirt,gritordebristhatcanbedetectedvisually.Al
5、lsharpedgesandcornersaretobebrokenandchamferedwithoutviolatingprintdimensions.所有加工的和成品零件发货需清洁，不生锈无缺口、灰尘、砂砾或碎屑等视觉可以看见的。所有锐利的边缘和棱角破碎和倒棱没有违背印刷尺寸要求。§Castingsshallbeleakproof,freeofsand,scale,rust,steelshot,gates,finsandcastingdefectsperSP-55“CastingDefectAcceptance”..铸件必须防漏、无沙子、碎片、锈、钢砂、关口、鳍状物和铸件瑕疵按照
6、SP-55“可接受铸件瑕疵”§Forgingsshallbefreeofrust,scale,andexcessiveflash.锻件必须不生锈、碎片和过多的闪光§Finishedpartsaretobefreeofresidualmagnetismthatattractsmetalchips.AllowablemagneticlevelsaredescribedinSTD-02-0864,MagnetismSpecificationforEngineParts”.制成零件无残余磁性吸引金属碎片。容许的磁性标准在STD-02-0864发动机零部件磁性规范中描述。§Pipes,elbow
7、sandfittingsshallbecleanedtoremoveallscale,foreignmaterial,andprocessingcompoundspriortofinalsurfaceexamination.Thecleaningprocessshallnotinjurethesurfacefinish,materialpropertiesorthemetallurgicalstructure.Thecleanedfitting
