1、A Referencenumbe r ISO13413:1997 (E) INTERNATIONAL STANDARD ISO 13413 Firstedition 19971215 AerospaceAirframeneedletrackroller, yoketype,doublerow,sealedInch series AronautiqueetespaceGaletsdecameaiguillespourtrier,deux ranges,avecjoints,pourcelluledaronefSrieinchISO13413:1997(E) ISO1997 Allrightsre
2、served.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. InternationalOrganizationforStandardization Casepostale56 CH1211Genve20 Switzerland Internet ce
3、ntraliso.ch X.400 c=ch;a=400net;p=iso;o=isocs;s=central PrintedinSwitzerland ii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies (ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eac
4、hmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmatt
5、ersofelectrotechnicalstandardization. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. InternationalStandardISO13413waspreparedbyTechnicalCommitteeISO/TC20
6、, Aircraftandspacevehicles , SubcommitteeSC15, Airframebearings . AnnexAformsanintegralpartofthisInternationalStandard.AnnexBisforinformationonly. ISO ISO13413:1997(E) iii Introduction AtthetimethisInternationalStandardwasdeveloped,theImperialunitssizesofairframeneedlerollerbearingswere dominantinwo
7、rldapplication.ThebasisforthisInternationalStandardistheimperialunitsprovidedinannexB.INTERNATIONALSTANDARD ISO ISO13413:1997(E) 1 AerospaceAirframeneedletrackroller,yoketype,doublerow, sealedInchseries 1Scope ThisInternationalStandardspecifiesthecharacteristics,boundarydimensions,tolerances,interna
8、lclearancesand permissiblestaticradialloadsofinchseries,doublerow,yoketypeneedletrackrollersusedinairframeapplications. TheairframeneedletrackrollerscoveredbythisInternationalStandardaredesignedtooperateinthetemperature range54Cto+121C. 2Normativereferences Thefollowingstandardscontainprovisionswhic
9、h,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjecttorevision, andpartiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigatethepossibilityof applyingthemostrecenteditionsofthestan
10、dardsindicatedbelow.MembersofIECandISOmaintainregistersof currentlyvalidInternationalStandards. ISO68317: 1) , Heattreatedsteels,alloysteelsandfreecuttingsteelsPart17:Ballandrollerbearingsteels. ISO1132:1980, RollingbearingsTolerancesDefinitions. ISO2082:1986, MetalliccoatingsElectroplatedcoatingsof
11、cadmiumonironorsteel. ISO28591: 2) , SamplingproceduresforinspectionbyattributesPart1:Samplingplansindexedbyacceptable qualitylevel(AQL)forlotbylotinspection. ISO4520:1981, Chromateconversioncoatingsonelectroplatedzincandcadmiumcoatings. ISO5593:1997, RollingbearingsVocabulary. ISO6158:1984, Metalli
12、ccoatingsElectroplatedcoatingsofchromiumforengineeringpurposes. ISO13411:1997,Aerospace Airframeneedleroller,cylindricalrollerandtrackrollerbearings Technical specification. AMS2417E:1993, Plating,zincnickelalloy. 3) 3Definitions ForthepurposesofthisInternationalStandard,thedefinitionsgiveninISO5593
13、apply. 1) Tobepublished.(RevisionofISO68317:1976) 2) Tobepublished.(RevisionofISO28591:1989) 3) Availablefrom: SAEInternational 400CommonwealthDrive Warrendale,PA150960001 USAISO13413:1997(E) ISO 2 4Symbols 4.1ForthepurposesofthisInternationalStandard,thesymbolsgiveninISO1132apply.Thesymbols(exceptt
14、hose fortolerances)showninthefiguresandinthevaluesgiveninthetablesdenotenominaldimensionsunlessspecified otherwise. 4.2ThefollowingadditionalsymbolsforbearingscoveredbythisInternationalStandardalsoapply. B overallwidth(overfacesofendwashers) C 1 widthofouterringcontactwithtrack C s permissiblestatic
15、radialload d a clampingfacediameter 5Requiredcharacteristics 5.1DimensionsTolerancesInternalclearancesLoads Forvalues,seetable1.Forconfiguration,seefigure1. Table1 Dimensionsinmillimetres, toleranceandclearancevaluesinmicrometres Diameter dDBC Tolerancevalues C 1 r s d a Internal clearance C s Mass
16、code 0 -254 0 -217 D dmp K ia max. D Dmp K ea max. min. min. min. Radial, G r max. Axial, G a max. kN kg 06 9,525 28,575 25,4 23,88 19,05 0,55 17,1 31,7 0,11 08 12,7 34,925 31,75 30,23 25,4 22,7 55,6 0,2 10 15,875 41,275 38,1 36,58 28,57 28,2 88,5 0,33 12 19,05 47,625 44,45 42,93 34,92 32,6 126,7 0,
17、51 14 22,225 53,975 50,8 49,28 0 -18 25 +25 -25 41 41,27 37,4 46 635 171,2 0,74 16 25,4 60,325 57,15 55,63 45,64 0,81 40,1 199,7 1,05 20 31,75 69,85 63,5 61,98 51,99 46,9 264,6 1,48 24 38,1 76,2 69,85 68,33 58,34 50,4 317,1 1,96 28 32 44,45 50,8 87,312 98,425 76,2 74,68 64,69 58 65,1 409,2 453,6 2,7
18、6 3,33 ISO ISO13413:1997(E) 3 Key 1 Lubricationgrooveandholes Figure1 5.2Surfaceroughness Rollers: R a =0,2 mmmax. Innerringraceway: R a =0,4 mmmax. Outerringraceway: R a =1,0 mmmax. Endwashers: R a =1,6 mmmax.atrollercontactarea. 6Materials Rings: bearingsteelISO68317,type1,racewayhardness58HRCto66
19、HRC(670HVto860HV). Rollers: bearingsteelISO68317,type1,heattreatedto58HRCto66HRC(670HVto860HV). Endwashers: steelheattreatedto51HRCto60HRC(528HVto697HV)atrollercontactarea. Seals: acetalresin,nylonorequivalent. 7Surfacetreatment 7.1Bearingsmadeofconventionalrollingbearingsteel,shallhavetheexternalsu
20、rfacesoftheouterringchromium plated,andallotherexternalsurfaces,excepttheinnerringboresurface,shallbecadmiumorzincnickelplated. Blackoxidecoatingisapermissiblealternateonallinnerringexternalsurfaces(seeannexA). 7.2Wherecadmiumplatingisspecified(codelettersDandM),itshallbeinaccordancewithISO2082.Thet
21、hickness oftheplatingshallnotbelessthan7 mmandnotmorethan15 mm.ThebearingshallbeembrittlementrelievedwithinISO13413:1997(E) ISO 4 4hofplatingbyheattreatmentat(14010)Cforaminimumof8hfollowedbychromatetreatmentinaccordance withISO4520(codeletterDonly). 7.3Wherechromiumplatingisspecified(codelettersD,M
22、andZ),itshallbeinaccordancewithISO6158.The thicknessoftheplatingshallbenotlessthan12 mm,8 mmonfacesandringchamfers,andnotmorethan25 mm. 7.4Wherezincnickelplatingisspecified(codeletterZ)itshallbeinaccordancewithAMS2417E,type2.The thicknessoftheplatingshallnotbelessthan7 mmandnotmorethan15 mm. 8Lubric
23、ation ThebearingshallbeprelubricatedwitheithergreaseAorB,asspecifiedbythecustomer. NOTEDescriptionsofgreaseAandgreaseBaregiveninISO13411:1997,annexI. 9Designation BearingscoveredbythisInternationalStandardshallbedesignatedonlyasshowninthefollowingexample: wherethefollowingcodesareapplied: greases: A
24、=estertypegrease; B=synthetichydrocarbongrease; materials/surfacetreatments: D=material:lowalloybearingsteel; surfacetreatment:outerringchromiumplated; washercadmiumplatedwithchromateconversioncoating; innerringcadmiumplatedwithchromateconversioncoating,orblackoxidecoated, M=material:lowalloybearing
25、steel; surfacetreatment:outerringchromiumplated; washercadmiumplatewithoutchromateconversioncoating; innerringcadmiumplatedwithoutchromateconversioncoating,orblackoxidecoated; Z=material:lowalloybearingsteel; surfacetreatment:outerringchromiumplated; washerzincnickelplated; innerringzincnickelplated
26、,orblackoxidecoated. ISO ISO13413:1997(E) 5 10Identificationmarking Inadditiontothemanufacturersnameortrademark,eachbearingshallbepermanentlyandlegiblymarked,usingthe identityblockasdefinedinclause9.Markingpositionandmethodshallbeatthemanufacturersoption. 11Technicalspecification Airframeneedletrack
27、rollerssuppliedtothisInternationalStandardshallconformtotherequirementsofISO13411.ISO13413:1997(E) ISO 6 AnnexA (normative) Blackoxidecoating A.1Introduction Theserequirementscoverblackoxidecoatingsappliedtobearingrings. A.2Requirements A.2.1Materials Thematerialsfortheblackeningprocessesshallbesele
28、ctedbythecontractor.heselectedmaterialsshallresultin blackcoatingsmeetingalltheapplicablerequirementsofthisannex. A.2.2Preparationofbasismetal Priortotheapplicationoftheblackcoatings,thebasismetalshallbethoroughlycleanedwithmaterialsandmethodsat theoptionofthecontractor.Thecleaningprocessshallbeperf
29、ormedwithoutmeasurableabrasionorerosion.The cleanedsurfacesshallbefreeofrust,scale,grease,oil,paintorotherforeignmatter. A.2.2.1Stressrelieftreatment Allringswhicharecoldformedorwhichcontainresidualtensilestress,suchasmaybeproducedbycold straightening,shallbegivenastressrelief.Thestressreliefmaybeco
30、nductedbeforeoraftercleaningandcoatingat thediscretionofthecontractor. A.2.2.2Coatingasafinalprocess Unlessotherwisespecified,theblackcoatingsshallbeappliedafterallmachiningandheattreatmenthavebeen accomplished. A.2.3Applicationofblackcoatings Thespecifiedblackcoatingshallbeappliedundercontrolledtim
31、eandtemperatureconditions.Allequipment,together withsolutionsorbaths,shallbeproperlymaintainedandkeptfreeofdirtorpossiblecontaminants. A.2.3.1Effectonmechanicalproperties Theselectedprocessshallnotreducethehardnessoftheringsbeingprocessedorexposetheringstotemperatures inthetemperbrittlerangeofthemat
32、erial,norshallitcauseembrittlementofthesteel. A.2.3.2Surfaceattack Theprocessshallnotresultinanyattackofthesurface,eitherpittingorintergranular.Duringprocessing,daily determinationforthisbehaviourshallbemadeusingamicroscopicmethodandexaminedatamagnificationwhichwill clearlyestablishthecondition.Ring
33、swithpittedsurfacesorshowingintergranularattackshallberejected. A.2.4Alkalineoxidizingsolutions Oxidecoatingsshallbeformedfromaboilingalkalineoxidizingsolution. ISO ISO13413:1997(E) 7 A.2.4.1Rinsing Blackoxidecoatedringsshallberinsedimmediatelyafterprocessinginastagnantwarmrinseat60Cto88C followedby
34、thoroughcoldwaterrinsingtoeffectcompleteremovaloftheblackeningsolution. A.2.4.2Chromicaciddip Afterthecoldrinse,theringsshallbedippedforaminimumof30sina0,06%solutionofchromicacid(240cc chromicacidper380lofwater)maintainedatatemperatureof66Cto88CandapHof2to3.Afterthechromic aciddip,partsshallbedriedw
35、ithoutfurtherrinsingbyusingwarmdryair. A.2.4.3Alternativedip Duetohazardouswasteresultingfromtheuseofchromicacid,analternativedipprocessmaybeusedattheoptionof thecontractorprovideditsufficientlyneutralisesanyresidualsfromthecoatingprocess. A.2.5Coverageandcolour Coatingsshallcoverthebasismetalcomple
36、telyandpassthesmuttest.Colourshallbeauniformblack.Aslight amountofsmut,whichisinherentintheprocess,shallnotbecauseforrejection.Thereshallbenoindicationofany reddishbrownorgreensmutwhentested(seeA.3.3.1).Smut“spottiness“shallbeclassifiedasunsatisfactory requiringreprocessing. A.2.6Qualityofcoating(ox
37、alicacidspottest) Theblackoxidecoatingspriortotheapplicationofapreservativeshallpasstheoxalicacidspottestforgoodquality coating(seeA.3.3.2). A.2.7Treatmentofhighstrengthsteel Whenspecified,ringsshallbebakedat(19114)Cfor3hormoreorgivenanequivalentembrittlementrelief treatmentafterapplicationoftheoxid
38、ecoating.Whenspecifiedbytheprocuringactivity,highstrengthsteelpartsshall betestedforembrittlementrelief(seeA.4.3.3).Ifanembrittlementreliefbakeisrequired,itshallfollowthechromicacid diporalternatedip. A.3Qualityassurance A.3.1Responsibilityforinspection Unlessotherwisespecifiedinthecontractorpurchas
39、eorder,thesupplierisresponsiblefortheperformanceofall inspectionrequirementsofthisannex.Exceptasotherwisespecified,thesuppliermayutilisehisownfacilitiesorany commercialfacilityforinspections. A.3.2Sampling ThesinglesampleplanfornormalinspectionoftheclassificationofdefectsshallbeinaccordancewithISO28
40、591. A.3.2.1Samplefornondestructivetests(visualinspection,coverage,colour,smutandworkmanship) SamplesshallbeselectedatrandomfromeachinspectionlotinaccordancewithISO28591,inspectionlevelIIand acceptablequalitylevel(AQL)equalto1%defective. A.3.2.2Samplingfordestructivetests(oxalicacidspottest) Samples
41、shallbeselectedatrandomfromeachinspectionlotinaccordancewithISO28591,inspectionlevelIIand acceptablequalitylevel(AQL)equalto1%defective.ISO13413:1997(E) ISO 8 A.3.3Testmethods A.3.3.1Smuttest Thetestshallbemadepriortotheapplicationofanycorrosionpreventativecompoundoraftervapourdegreasing. Blackoxide
42、coatedringsshallbevisuallyinspectedunderstronglighttoassureasatisfactoryappearance.Each sampleshallalsobewipedwithacleanwhiteclothforindicationsofsmut(see2.5).Aslightamountofsmutwhichis inherentintheprocessisacceptableandshallnotbecauseforrejection. A.3.3.2Oxalicacidspottest Theblackoxidecoatedrings,priortotheapplicationofapreservative,shallbehandledwithcleancottonglovesor equivalent.Eachsampleshallhavedeposited,ononeflatspotofblackoxidecoatedsurface,threedrops(0,2ml)ofa fivepercentsolutionofoxalicacid.Thereactionshallbe
