1、A Referencenumbe r ISO13411:1997 (E) INTERNATIONAL STANDARD ISO 13411 Firstedition 19971215 AerospaceAirframeneedleroller, cylindricalrollerandtrackrollerbearings Technicalspecification AronautiqueetespaceRoulementsaiguilles,roulementsrouleaux cylindriquesetgaletsdecamepourcelluledaronefSpcification
2、s techniquesISO13411:1997(E) ISO1997 Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. InternationalOrganizationforStandardization Cas
3、epostale56 CH1211Genve20 Switzerland Internet centraliso.ch X.400 c=ch;a=400net;p=iso;o=isocs;s=central PrintedinSwitzerland ii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies (ISOmemberbodies).TheworkofpreparingInternationalStandardsisnorm
4、allycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeIntern
5、ationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. InternationalStandar
6、dISO13411waspreparedbyTechnicalCommitteeISO/TC20, Aircraftandspacevehicles , SubcommitteeSC15, Airframebearings . AnnexesAtoIformanintegralpartofthisInternationalStandard.AnnexJisforinformationonly. ISO ISO13411:1997(E) iii Introduction Inl986,ISO/TC4RollingbearingsapprovedanewworkitemtorevisetheInt
7、ernationalStandardonairframe bearings,ISO 1002:1983, Rollingbearings Airframebearings Characteristics,boundarydimensions, tolerances,staticloadratings .TheworkitemwasassignedtoISO/TC4, RollingbearingsandTC20, Aircraftand spacevehicles ,Jointworkinggrouponairframebearings. Laterthatsameyear,ISO/TC4/T
8、C20JWGonairframebearingsagreedthatatechnicalspecificationforthe procurementofairframebearingsshouldbepreparedaspartoftherevisionprocess. Asaresult,ISO13411:1997, Aerospace Airframeneedleroller,needletrackrollerandcylindricalroller bearings Technicalspecification hasbeendevelopedfortheprocurementofai
9、rframebearingsandis supplementedwithInternationalStandardsforeachbearingtype.INTERNATIONALSTANDARD ISO ISO13411:1997(E) 1 AerospaceAirframeneedleroller,cylindricalrollerandtrack rollerbearings Technicalspecification 1Scope ThisInternationalStandardspecifiestherequiredcharacteristics,inspectionsandte
10、sts,qualityassuranceand conditionsforqualification,staticradialloads,acceptanceanddeliveryconditionsforneedleroller,needletrack rollerandcylindricalrollerbearingsusedasairframerollingbearingsdesignedtowithstand,underload,slow rotationsandsmalloscillationsonly. ThisInternationalStandardisapplicableto
11、allairframeneedleroller,needletrackrollerandcylindricalroller bearingsreferredtointhereferencedInternationalStandardsorinadesignspecification. ThefactthatabearingisnotincludedinthisInternationalStandarddoesnotprecludeitfrombeingusedto advantageinairframeapplications. 2Normativereferences Thefollowin
12、gstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjectto revision,andpartiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigatethe possibilityofapplyin
13、gthemostrecenteditionsofthestandardsindicatedbelow.MembersofIECandISOmaintain registersofcurrentlyvalidInternationalStandards. ISO1132:1980, RollingbearingsTolerancesDefinitions. ISO28591: 1) , SamplingproceduresforinspectionbyattributesPart1:Samplingplansindexedbyacceptable qualitylevel(AQL)forlotb
14、ylotinspection. ISO4288:1996,GeometricalProductSpecifications(GPS) Surfacetexture:Profilemethod Rulesand proceduresfortheassessmentofsurfacetexture. ISO5593:1997, RollingbearingsVocabulary. ISO65071:1997, MetallicmaterialsVickershardnesstestPart1:Testmethod. ISO6508:1986, MetallicmaterialsHardnesste
15、stRockwelltest(scalesABCDEFGHK) . ISO9001:1994, QualitysystemsModelforqualityassuranceindesign,development,production,installationand servicing. ISO9002:1994, QualitysystemsModelforqualityassuranceinproduction,installationandservicing. ISO9003:1994, QualitysystemsModelforqualityassuranceinfinalinspe
16、ctionandtest. 1) Tobepublished.(RevisionofISO28591:1989)ISO13411:1997(E) ISO 2 3Definitions ForthepurposesofthisInternationalStandard,thedefinitionsgiveninISO5593apply.Definitionsoftheconcepts towhichthetolerancesspecifiedinthisInternationalStandardapplyaregiveninISO1132.Additionaldefinitions whicha
17、reparticulartoairframeneedlerollerbearingsaregivenin3.1to3.9. 3.1yoketypetrackrollerbearings fullcomplementbearingswithouterringrollingonatrackorcamtrack 3.2yoketyperollerbearings fullcomplementbearingswithouterringsupportedinahousing 3.3studtypetrackrollerbearings fullcomplementbearingswithrollinge
18、lementsrunningonaflangedandexternallythreadedstud,andwithouter ringrollingonatrackorcamtrack 3.4sealedbearings bearingsinwhichtherollingelementsandracewaysareenclosedbycontactseals(i.e.sealsfittedtooneringand extendingtotheotherringwithwhichtheymakeslidingcontact) 3.5shieldedbearings bearingsinwhich
19、therollingelementsandracewaysareenclosedbyshieldsfittedtooneringandextendingtothe otherringwithwhichtheyhaveasmallclearance 3.6surfacediscontinuities imperfectionswhichinclude(butarenotlimitedto)thefollowing: 3.6.1crack breakinthematerialwhichmayextendinanydirectionandwhichmaybeintercrystallineortra
20、nscrystallinein character 3.6.2toolmark opensurfacedefectresultingfromatearingofthemetal 3.6.3lap surfacedefectwhereparticlesofmetalorsharpedgesarefoldedoverandthenrolledorforgedintothesurface 3.6.4seam unweldedfoldwhichappearsasanopendefectinthematerial 3.7startingfrictiontorquefortrackrollerbearin
21、gs maximumtorquerequiredtostarttherotationoftheouterringwiththeinnerringorstudheldstationary 3.8startingfrictiontorqueforhousedrollerbearings maximumtorquerequiredtostarttherotationoftheinnerringwiththeouterringheldstationary NOTEDueregardshouldbegiventhefactthatbearingswithoutretainersorseparatorsa
22、renotlikelytohaveabsolute freedomofrotationbecauseofadjacentrollingelementsrubbingeachother. 3.9Permissiblestaticloads 3.9.1permissiblestaticradialload maximumstaticradialloadwhichcanbeappliedtothebearingwithoutimpairingitssubsequentoperation 3.9.2ultimatestaticradialload maximumstaticradialloadwhic
23、hcanbeappliedtothebearingwithoutcausingcracksorrupturesinanyofthe componentparts NOTETheultimatestaticradialloadisaloadequalto1,5timesthepermissiblestaticradialload. ISO ISO13411:1997(E) 3 4Symbols SeetheappropriatereferencedInternationalStandard. 5Characteristics,requirements,inspectionandtestmetho
24、ds Subclause Characteristics Requirements Inspectionandtestmethods Q 1) A 1) 5.1 Materials Shallconformtoproduct standardsordesign documentation. Chemicalanalysisorcertificateof conformityissuedbythe manufacturer. XX 5.2 Dimensionsandtolerances 5.2.1 Atambienttemperature (20C 1C) Shallconformtoprodu
25、ct standardsordesign documentation. Suitablemeasuringinstruments. X X 5.2.2 Dimensionalstability Permissibleincrease0,1 mmmax. per1mmofdiameter. SeeannexB. X 5.3 Mass Shallconformtoproduct standardsordesign documentation. Suitablemethods. X 5.4 Identificationmarking Shallconformtoproduct standardsor
26、design documentation. Itshallbelegibleandshallnot adverselyaffectthematerialor thefunctioningofthebearing. Visualexamination. X X 5.5 Surfaceappearance 2) Thebearingsshallbefreeof surfacediscontinuitiesliableto haveanadverseeffecton characteristicsandendurance. 5.5.1 Unassembledringsandrolling eleme
27、nts Magnetic,dyepenetrantoreddy currentinspection. XX 5.5.2 Assembledbearings Visualinspectionusingsuitable methods. XX 5.6 Hardness 2) Shallconformtoproduct standardsordesign documentation. TestinaccordancewithISO6508 orISO65071 3) .Innerring,outer ringand3rollersshallbetested. Thetestshallbeontheg
28、roundand polishedflatcrosssectionalareaof theringsadjacenttotheraceways. Testshallbetakenonaground andpolishedflatsurfaceonthe rollingelements. XX 5.7 Surfaceroughness 2) Shallconformtoproduct standardsordesign documentation. TestinaccordancewithISO4288. X X 5.8 Surfacetreatment Shallconformtoproduc
29、t standardsordesign documentation. Visualinspection(plating). X X 5.9 Lubrication Atleast80%ofthefreespacein thebearingshallchargedwiththe greasespecifiedintheproduct standardordesigndocumentation (seeannexI). Visualinspectionafterremovalof sealsorshields. Visualinspectionduring manufacture. X X 1)Q
30、=QualificationtestsA=Acceptancetests 2)Thisinspectionismadeintheabsenceofsurfacetreatmentwhich,forpurposesofqualification,mayberemovedbyachem icalprocess. 3)ConversionfromVickershardnesstoRockwellhardnessreadingsshallbesubjecttoagreementbetweencustomerandsupplier .ISO13411:1997(E) ISO 4 Subclause Ch
31、aracteristics Requirements Inspectionandtestmethods Q 1) A 1) 5.10 Sealsorshields 5.10.1 Retention Thesealsorshieldsshallbefitted correctlyinsuchawaythatthe functioningofthebearingisnot adverselyaffected. Visualinspection. X X 5.10.2 Sealing Thesealsshall: retainthegrease; Visualinspectionaftertheri
32、ngsare manuallyturnedinrelationtoeach other. XX minimizethepenetrationof foreignmaterial. SeeannexA. X Afterthetest,thestartingtorque atzeroloadshallnotincreaseby morethan100%or14,1mN m overthepretestvalue,whichever isgreater. Suitablemethod. X Afterthetest,theradialinternal clearanceshallnotincreas
33、eby morethan50%or5 mm, whicheverisgreater. SeeannexD,figuresD.1andD.2. X Afterthetest,therunning behaviourofthebearingsshall conformwith5.14.1. Handrotation. X 5.11 Runningaccuracies: Radial - K ia , K ea Shallconformtoproduct standardsordesign documentation. SeeannexC. X X 5.12 Internalclearances 5
34、.12.1 Radialinternalclearance( G r ) Shallconformtoproduct standardsordesign documentation. SeeannexD. X X 5.12.2 Axialinternalclearance( G a ) Shallconformtoproduct standardsordesign documentation. SeeannexeE. X X 5.13 Endwasherretention Theendwashermustnotbecome dislodgedorthebearing smoothnessles
35、senedperceptibly. SeeannexF. X X 5.14 Behaviourinrotation 5.14.1 Atambienttemperature (20C 1C) Thebearingshallbecapableof beingrotatedwithnotightspots. Handrotation. X X 5.14.2 Atlimittemperatures Thestartingfrictiontorqueshall notincreasebymorethan100% oftheambienttemperaturevalue atthehightemperat
36、urelimitand shallnotincreasebymorethan tentimestheambient temperaturevalueatthelowlimit temperature. Temperatureextremesshall conformtoproductstandardsor designdocumentation. Suitablemethod. X 5.14.3 Axialclearanceunder compressionload Whileundercompressionthe bearingshallhaverotational freedom. See
37、annexG. X X 5.15 Staticloads 5.15.1 Permissiblestaticradialload( C s ) Aftertestthereshallbeno permanentdeformations adverselyaffectingrotational function. Thestartingfrictiontorqueshall notincreasebymorethan100%. SeeannexH. X 5.15.2 Ultimatestaticradialload Aftertestthebearingmustrotate byhand. Aft
38、ertestthereshallbenocracks orruptures. SeeannexH. X 1)Q=QualificationtestsA=Acceptancetests ISO ISO13411:1997(E) 5 6Qualityassurance 6.1Approvalofmanufacturer Themanufacturershallhaveaqualitymanagementprogrammeacceptabletothecustomerwhichmeetsthe requirementsoftheappropriateISO9000seriesqualitymanag
39、ementstandard. 6.2Productqualification 6.2.1Themanufacturershallobtainqualificationinaccordancewithtables1and2. Qualificationshallbeobtainedforeachbearingtypeandsize. However,qualification foraplatedbearingappliestoanonplatedbearingwiththesamedimensionsandofthesametype,madeofthe samematerial, isacqu
40、iredforabearingintheseries,basedonsimilarity,ifithasbeenobtainedforthesizeofbearing immediatelybeforeandthesizeofbearingimmediatelyafterthebearinginquestion,basedontherangeof bearingsavailableintheproductstandard. 7Acceptanceconditions 7.1Manufacturersresponsibility 7.1.1Themanufacturershallhaveaqua
41、litymanagementsystemacceptabletothecustomerwhichmeetsthe requirementsoftheappropriateISO9000seriesqualitymanagementstandard. 7.1.2Theacceptanceofadeliverybatchshallbeinaccordancewithtable3. 7.2Customerqualitycontrol 7.2.1 Thecustomermay,onacceptanceofadeliverybatch,proceedtoinspectitbyusingthetestsa
42、nd inspectionsspecifiedintable2,infullorinpart,toensurethattheitemsconformtotherequiredqualitylevelandto determinewhethertheconsignmentisacceptable. 7.2.2Thisinspectionmaybecarriedoutinthecustomersfactoryor,byagreement,inthemanufacturersfactory. 8Packaging 8.1Thebearingshallbepackagedindividuallysot
43、hatitwillnotbedamagedduringtransportation. 8.2Thepackagingmaterialincontactwiththebearingshallbegreaseproofandshallprotectagainstmoisture, corrosion,dirtandotherharmfulsubstances. 8.3Thefollowinginformationatleastshallbeaffixedtoeachindividualbearingpackage: manufacturersname; quantity(inthecaseofrollsofbearings); identityblockasdefinedbyproducts
