1、A Referencenumbe r ISO13416:1997 (E) INTERNATIONAL STANDARD ISO 13416 Firstedition 19971215 AerospaceAirframeneedletrackroller, yoketype,singlerow,sealedMetric series AronautiqueetespaceGaletsdecameaiguillespourtrier, unerange,avecjoints,pourcelluledaronefSriemtriqueISO13416:1997(E) ISO1997 Allright
2、sreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyan ymeans,electronic ormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher. InternationalOrganizationforStandardization Casepostale56 CH1211Genve20 Switzerland Internet
3、 centraliso.ch X.400 c=ch;a=400net;p=iso;o=isocs;s=central PrintedinSwitzerland ii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies (ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.
4、Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnongovernmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallm
5、attersofelectrotechnicalstandardization. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. InternationalStandardISO13416waspreparedbyTechnicalCommitteeISO/T
6、C20, Aircraftandspacevehicles , SubcommitteeSC15, Airframebearings . AnnexAformsanintegralpartofthisInternationalStandard.INTERNATIONALSTANDARD ISO ISO13416:1997(E) 1 AerospaceAirframeneedletrackroller,yoketype,singlerow, sealedMetricseries 1Scope ThisInternationalStandardspecifiesthecharacteristics
7、,boundarydimensions,tolerances,internalclearancesand permissibleradialstaticloadsofmetricseries,singlerow,yoketypeneedletrackrollersusedinairframeapplications. TheairframeneedletrackrollerscoveredbythisInternationalStandardaredesignedtooperateinthetemperature range54Cto+121C. 2Normativereferences Th
8、efollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis InternationalStandard.Atthetimeofpublication,theeditionsindicatedwerevalid.Allstandardsaresubjecttorevision, andpartiestoagreementsbasedonthisInternationalStandardareencouragedtoinvestigatethepossibilityo
9、f applyingthemostrecenteditionsofthestandardsindicatedbelow.MembersofIECandISOmaintainregistersof currentlyvalidInternationalStandards. ISO68317: 1) , Heattreatedsteels,alloysteelsandfreecuttingsteelsPart17:Ballandrollerbearingsteels. ISO1132:1980, RollingbearingsTolerancesDefinitions. ISO2082:1986,
10、 MetalliccoatingsElectroplatedcoatingsofcadmiumonironorsteel. ISO28591: 2) , SamplingproceduresforinspectionbyattributesPart1:Samplingplansindexedbyacceptable qualitylevel(AQL)forlotbylotinspection. ISO4520:1981, Chromateconversioncoatingsonelectroplatedzincandcadmiumcoatings. ISO5593:1997, Rollingb
11、earingsVocabulary. ISO6158:1984, MetalliccoatingsElectroplatedcoatingsofchromiumforengineeringpurposes. ISO13411:1997,Aerospace Airframeneedleroller,cylindricalrollerandtrackrollerbearings Technical specification. AMS2417E:1993, Plating,zincnickelalloy. 3) 1) Tobepublished.(RevisionofISO68317:1976)
12、2) Tobepublished.(RevisionofISO28591:1989) 3) Availablefrom: SAEInternational 400CommonwealthDrive Warrendale,PA150960001 USAISO13416:1997(E) ISO 2 3Definitions ForthepurposesofthisInternationalStandard,thedefinitionsgiveninISO5593apply. 4Symbols 4.1ForthepurposesofthisInternationalStandard,thesymbo
13、lsgiveninISO1132apply.Thesymbols(exceptthose fortolerances)showninthefiguresandthevaluesgiveninthetablesdenotenominaldimensionsunlessspecified otherwise. 4.2 ThefollowingadditionalsymbolsforbearingscoveredbythisInternationalStandardalsoapply. B overallwidth(overfacesofendwashers) C s permissiblestat
14、icradialload d a clampingfacediameter R crownradiusofouterring 5Requiredcharacteristics 5.1DimensionsTolerancesInternalclearancesLoads Forvalues,seetable1.Forconfiguration,seefigure1. Table1 Dimensionsinmillimetres, toleranceandclearancevaluesinmicrometres Diameter dDBC Tolerancevalues r s r 1s Rd a
15、 Internal clearance C s Mass code +50 -96 D dmp D Bs D Dmp K ea max. min. min. min. min. Radial, G r max. Axial, G a max. kN kg 05 5 16 12 11 192 10 6,88 0,01 06 08 6 8 19 24 12 15 11 14 +24 -260 0,3 228 288 12 14 8,8 13,7 0,02 0,04 10 10 32 18 17 0,6 384 20 24,8 0,09 12 12 37 21 20 444 22 28,8 0,14
16、 15 15 42 24 22 0 -12 +24 -320 +50 -26 40 0,3 504 26 40 76 39,5 0,19 17 17 47 27 25 1 564 29 48,2 0,27 20 20 58 34 32 696 36 80,8 0,53 25 25 72 40 38 +24 -380 864 44 126 0,98 30 35 30 35 85 100 48 56 46 54 +24 -450 1,5 0,6 1020 1200 54 65 208 306 1,65 2,68 ISO ISO13416:1997(E) 3 Key 1 Lubricationgro
17、ove 2 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,racewayhardness58HRCto66HRC(670HVto860HV). Rollers: be
18、aringsteelISO68317,type1,heattreatedto58HRCto66HRC(670HVto860HV). Endwashers: steelheattreatedto51HRCto60HRC(528HVto697HV)atrollercontactarea. Seals: acetalresin,nylonorequivalent. 7Surfacetreatment 7.1Bearingsmadeofconventionalrollingbearingsteel,shallhavetheexternalsurfacesoftheouterringchromium p
19、lated,andallotherexternalsurfaces,excepttheinnerringboresurface,shallbecadmiumorzincnickelplated.Black oxidecoatingisapermissiblealternateonallinnerringexternalsurfaces(seeannexA). 7.2Wherecadmiumplatingisspecified(codelettersDandM),itshallbeinaccordancewithISO2082.Thethickness oftheplatingshallnotb
20、elessthan7mandnotmorethan15m.ThebearingshallbeembrittlementrelievedwithinISO13416:1997(E) ISO 4 4hofplatingbyheattreatmentat140C10Cforaminimumof8hfollowedbychromatetreatmentinaccordance withISO4520(codeletterDonly). 7.3Wherechromiumplatingisspecified(codelettersD,MandZ),itshallbeinaccordancewithISO6
21、158.The thicknessoftheplatingshallbenotlessthan12m,8monfacesandringchamfers,andnotmorethan25m. 7.4Wherezincnickelplatingisspecified(codeletterZ)itshallbeinaccordancewithAMS2417E,type2.The thicknessoftheplatingshallnotbelessthan7mandnotmorethan15m. 8Lubrication Thebearingshallbeprelubricatedwitheithe
22、rgreaseAorB,asspecifiedbythecustomer. NOTEDescriptionsofgreaseAandgreaseBaregiveninISO13411:1997,annexI. 9Designation BearingscoveredbythisInternationalStandardshallbedesignatedonlyasinthefollowingexample: wherethefollowingcodesareapplied: greases: A=estertypegrease; B=synthetichydrocarbontypegrease
23、; materials/surfacetreatments: D=material:lowalloybearingsteel; surfacetreatment:outerringchromiumplated; washercadmiumplatedwithchromateconversioncoating; innerringcadmiumplatedwithchromateconversioncoating,orblackoxidecoated; M=material:lowalloybearingsteel; surfacetreatment:outerringchromiumplate
24、d; washercadmiumplatewithoutchromateconversioncoating; innerringcadmiumplatedwithoutchromateconversioncoating,orblackoxidecoated; Z=material:lowalloybearingsteel; surfacetreatment:outerringchromiumplated; washerzincnickelplated; innerringzincnickelplated,orblackoxidecoated. ISO ISO13416:1997(E) 5 10
25、Identificationmarking Inadditiontothemanufacturersnameortrademark,eachbearingshallbepermanentlyandlegiblymarked,usingthe identityblockasdefinedinclause9.Markingpositionandmethodshallbeatthemanufacturersoption. 11Technicalspecification AirframeneedletrackrollerssuppliedtothisInternationalStandardshal
26、lconformtotherequirementsofISO13411.ISO13416:1997(E) ISO 6 AnnexA (normative) Blackoxidecoating A.1Introduction Theserequirementscoverblackoxidecoatingsappliedtobearingrings. A.2Requirements A.2.1Materials Thematerialsfortheblackeningprocessesshallbeselectedbythecontractor.Theselectedmaterialsshallr
27、esultin blackcoatingsmeetingalltheapplicablerequirementsofthisannex. A.2.2Preparationofbasismetal Priortotheapplicationoftheblackcoatings,thebasismetalshallbethoroughlycleanedwithmaterialsandmethodsat theoptionofthecontractor.Thecleaningprocessshallbeperformedwithoutmeasurableabrasionorerosion.The c
28、leanedsurfacesshallbefreeofrust,scale,grease,oil,paintorotherforeignmatter. A.2.2.1Stressrelieftreatment Allringswhicharecoldformedorwhichcontainresidualtensilestress,suchasmaybeproducedbycold straightening,shallbegivenastressrelief.Thestressreliefmaybeconductedbeforeoraftercleaningandcoatingat thed
29、iscretionofthecontractor. A.2.2.2Coatingasafinalprocess Unlessotherwisespecified,theblackcoatingsshallbeappliedafterallmachiningandheattreatmenthavebeen accomplished. A.2.3Applicationofblackcoatings Thespecifiedblackcoatingshallbeappliedundercontrolledtimeandtemperatureconditions.Allequipment,togeth
30、er withsolutionsorbaths,shallbeproperlymaintainedandkeptfreeofdirtorpossiblecontaminants. A.2.3.1Effectonmechanicalproperties Theselectedprocessshallnotreducethehardnessoftheringsbeingprocessedorexposetheringstotemperatures inthetemperbrittlerangeofthematerial,norshallitcauseembrittlementofthesteel.
31、 A.2.3.2Surfaceattack Theprocessshallnotresultinanyattackofthesurface,eitherpittingorintergranular.Duringprocessing,daily determinationforthisbehaviourshallbemadeusingamicroscopicmethodandexaminedatamagnificationwhichwill clearlyestablishthecondition.Ringswithpittedsurfacesorshowingintergranularatta
32、ckshallberejected. A.2.4Alkalineoxidizingsolutions Oxidecoatingsshallbeformedfromaboilingalkalineoxidizingsolution. ISO ISO13416:1997(E) 7 A.2.4.1Rinsing Blackoxidecoatedringsshallberinsedimmediatelyafterprocessinginastagnantwarmrinseat60Cto88C followedbythoroughcoldwaterrinsingtoeffectcompleteremov
33、aloftheblackeningsolution. A.2.4.2Chromicaciddip Afterthecoldrinse,theringsshallbedippedforaminimumof30sina0,06%solutionofchromicacid(240cc chromicacidper380lofwater)maintainedatatemperatureof66Cto88CandapHof2to3.Afterthechromic aciddip,partsshallbedriedwithoutfurtherrinsingbyusingwarmdryair. A.2.4.
34、3Alternativedip Duetohazardouswasteresultingfromtheuseofchromicacid,analternativedipprocessmaybeusedattheoptionof thecontractorprovideditsufficientlyneutralizesanyresidualsfromthecoatingprocess. A.2.5Coverageandcolour Coatingsshallcoverthebasismetalcompletelyandpassthesmuttest.Colourshallbeauniformb
35、lack.Aslight amountofsmut,whichisinherentintheprocess,shallnotbecauseforrejection.Thereshallbenoindicationofany reddishbrownorgreensmutwhentested(seeA.3.3.1).Smut“spottiness“shallbeclassifiedasunsatisfactory requiringreprocessing. A.2.6Qualityofcoating(oxalicacidspottest) Theblackoxidecoatingspriort
36、otheapplicationofapreservativeshallpasstheoxalicacidspottestforgoodquality coating(seeA.3.3.2). A.2.7Treatmentofhighstrengthsteel Whenspecified,ringsshallbebakedat191C14Cfor3hormoreorgivenanequivalentembrittlementrelief treatmentafterapplicationoftheoxidecoating.Whenspecifiedbytheprocuringactivity,h
37、ighstrengthsteelpartsshall betestedforembrittlementrelief(seeA.3.3.3).Ifanembrittlementreliefbakeisrequired,itshallfollowthechromicacid diporalternatedip. A.3Qualityassurance A.3.1Responsibilityforinspection Unlessotherwisespecifiedinthecontractorpurchaseorder,thesupplierisresponsiblefortheperforman
38、ceofall inspectionrequirementsofthisannex.Exceptasotherwisespecified,thesuppliermayutilizehisownfacilitiesorany commercialfacilityforinspections. A.3.2Sampling ThesinglesampleplanfornormalinspectionoftheclassificationofdefectsshallbeinaccordancewithISO28591. A.3.2.1Samplefornondestructivetests(visua
39、linspection,coverage,colour,smutandworkmanship) SamplesshallbeselectedatrandomfromeachinspectionlotinaccordancewithISO28591,inspectionlevelIIand acceptablequalitylevel(AQL)equalto1%defective. A.3.2.2Samplingfordestructivetests(oxalicacidspottest) Samplesshallbeselectedatrandomfromeachinspectionlotin
40、accordancewithISO28591,inspectionlevelIIand acceptablequalitylevel(AQL)equalto1%defective.ISO13416:1997(E) ISO 8 A.3.3Testmethods A.3.3.1Smuttest Thetestshallbemadepriortotheapplicationofanycorrosionpreventativecompoundoraftervapordegreasing. Blackoxidecoatedringsshallbevisuallyinspectedunderstrongl
41、ighttoassureasatisfactoryappearance.Each sampleshallalsobewipedwithacleanwhiteclothforindicationsofsmut(see2.5).Aslightamountofsmutwhichis inherentintheprocessisacceptableandshallnotbecauseforrejection. A.3.3.2Oxalicacidspottest Theblackoxidecoatedrings,priortotheapplicationofapreservative,shallbeha
42、ndledwithcleancottonglovesor equivalent.Eachsampleshallhavedeposited,ononeflatspotofblackoxidecoatedsurface,threedrops(0,2ml)ofa 5%solutionofoxalicacid.Thereactionshallbeobservedafter30sandupto8min.After8min,theringshallbe rinsedandinspected.Alightgraycentrewithalighterbordercolouroragrayblackcentrewithalightborderindicated unacceptablecoating.Ablackordarkbrowncentrewithalightborderindicatesagoodqualitycoating.Agoodquality coatingmayshowalightborder,indicatingexposureofmetalaro
