1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD AEROSPACE SERIES BS A 352
2、:2000 ISO 12290:2000 ICS 49.030.60 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Rivets, solid, in titanium or titanium alloy Procurement specificationThis British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the
3、 authority of the Standards Committee and comes into effect on 15 April 2000 BSI 04-2000 ISBN 0 580 34617 X BS A 352:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 12290:2000 and implements it as the UK national standar
4、d. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fastening systems, to Subcommittee ACE/12/1, Aerospace fasteners and fastening systems (international), which has the responsibility to: aid enquirers to understand the text; present to th
5、e responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obta
6、ined on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” f
7、acility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obl
8、igations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO12290:2000(E) INTERNATIONAL
9、STANDARD ISO 12290 Firstedition 2000-03-01 AerospaceRivets,solid,intitaniumor titaniumalloyProcurementspecification Aronautique et espace Rivets ordinaires, en titane ou en alliage de titane Spcification dapprovisionnement BS A 352:2000ii BS A 352:2000 iii Contents Page Foreword.iv 1 Scope1 2 Normat
10、ivereferences1 3 Termsanddefinitions.1 4 Qualityassurance3 4.1 General3 4.1.1 Approvalofmanufacturers.3 4.1.2 Acceptanceofsolidrivets3 4.2 Acceptanceinspectionandtestconditions.3 4.3 Useof“Statisticalprocesscontrol(SPC)“.4 5 Requirementsandtestmethods4 6 Recordsandtestreports10 7 Certificateofcompli
11、ance11 BS A 352:2000iv Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitte
12、ehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStand
13、ardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentionisdrawntothepossibilityt
14、hatsomeoftheelementsofthisInternationalStandardmaybethesubjectof patentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO12290waspreparedbyTechnicalCommitteeISO/TC20, Aircraft and space vehicles, SubcommitteeSC4, Aerospace fastener systems. BS A 352:2
15、000INTERNATIONALSTANDADR ISO09221:(0002)E1 AerospaceRivets,solid,intitaniumortitaniumalloy Procurementspecification 1 Scope ThisInternationalStandardspecifiesthecharacteristicsandqualityassurancerequirementsforsolidrivetsmadein titaniumortitaniumalloyforaerospaceconstruction. Itisapplicablewheneveri
16、tisreferencedinadefinitiondocument. 2 Normativereferences Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsof thisInternationalStandard.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthese publicationsdonotapply.However,partiestoagreem
17、entsbasedonthisInternationalStandardareencouragedto investigatethepossibilityofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.For undatedreferences,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIEC maintainregistersofcurrentlyvalidInternationalStandards.
18、ISO2859-1:1999, Sampling procedures for inspection by attributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection. ISO7870:1993, Control charts General guide and introduction. ISO7966:1993, Acceptance control charts. ISO8258:1991, Shewhart control charts.
19、ISO9002:1994, Quality systems Model for quality assurance in production, installation and servicing. ISO17057:1999, Aerospace Rivets, solid Test method. ISO/TR13425:1995, Guide for the selection of statistical methods in standardization and specification. 3 Termsanddefinitions ForthepurposesofthisIn
20、ternationalStandard,thefollowingtermsanddefinitionsapply. 3.1 batch quantityoffinishedrivets,usingthesameprocess,fromasinglematerialcast(singleheatofalloy),havingthe samenumberofdefinitiondocument,diameterandlengthcode,heattreatedtogethertothesamespecified conditionandproducedasonecontinuousrun BS A
21、 352:20002 3.2 rivetwiresample lengthofwire,sampledatoneendofthecoilusedforthemanufactureofrivetsofthebatch NOTE Therivetwiresamplesshouldundergothesameheattreatmentsastherivetsofthebatch,atthesametime. 3.3 rivetsample rivetsampledatrandomfromthebatch 3.4 definitiondocument documentspecifyingdirectl
22、yorindirectlyalltherequirementsforrivets NOTE ThedefinitiondocumentmaybeanInternationalStandard,anin-housestandardoradrawing. 3.5 crack ruptureinthematerialwhichmayextendinanydirectionandwhichmaybeintercrystallineortranscrystallinein character 3.6 seam longitudinalopensurfacedefect 3.7 lap surfacede
23、fectcausedbyfoldingovermetalfinsorsharpcornersandthenformingthemintothesurface 3.8 coldshut doublingoverofmetalwhichmayoccurduringthecoldheadingoperation 3.9 blistering defectinthemetalonornearthesurface,resultingfromexpansionofgasinasub-surfacezone 3.10 pit smallsharpcavityinametalsurfacecausedbyno
24、n-uniformelectrodepositionorbycorrosion 3.11 criticaldefect defectthat,accordingtojudgementandexperience,islikelytoresultinhazardousorunsafeconditionsfor individualsusing,maintaining,ordependingupontheconsideredproduct,orthatislikelytopreventperformanceof thefunctionofamajorenditem 3.12 majordefect
25、defect,otherthancritical,thatislikelytoresultinafailureortoreducemateriallytheusabilityoftheconsidered productforitsintendedpurpose 3.13 minordefect defectthatisnotlikelytoreducemateriallytheusabilityoftheconsideredproductforitsintendedpurpose,orthat representsadeparturefromestablishedspecificationh
26、avinglittlebearingontheeffectiveuseoroperationofthis product BS A 352:2000 3 3.14 samplingplan planaccordingtowhichoneormoresamplesaretakeninordertoobtaininformationandtoreachadecision,if possible 3.15 acceptancequalitylimit AQL maximumpercentdefective(orthemaximumnumberofdefectsperhundredunits)that
27、,forpurposesofsampling inspection,canbeconsideredsatisfactoryasaprocessaverage NOTE Variant:qualitylimitwhichinasamplingplancorrespondstoaspecifiedbutrelativelyhighprobabilityofacceptance. 4 Qualityassurance 4.1 General 4.1.1 Approvalofmanufacturers Themanufacturershallconformtothequalityassurancean
28、dapprovalproceduresdefinedinISO9002.The purposeoftheseproceduresistoensurethatamanufacturerhasaqualitysystemandiscapableofcontinuous productionofsolidrivetscomplyingwiththespecifiedqualityrequirements. TheapprovalofthemanufacturershallbegrantedbytheCertificationAuthorities,ortheirappointedrepresenta
29、tive, whomaybetheprimecontractor. 4.1.2 Acceptanceofsolidrivets Thepurposeofacceptanceinspectionandtestsofasolidrivetistocheck,assimplyaspossible,usingamethod whichisinexpensivebutthemostrepresentativeoftheactualconditionsofuse,withtheuncertaintyinherentin statisticalsampling,thatthesolidrivetssatis
30、fytherequirementsofthisInternationalStandard. Acceptanceinspectionsandtestsshallbecarriedoutbythemanufacturer,orunderhisresponsibility. Themanufacturerisresponsibleforthequalityofthesolidrivetsmanufactured. 4.2 Acceptanceinspectionandtestconditions Acceptanceinspectionsandtests(requirements,methods,
31、numbersofsolidrivets)arespecifiedinTable1.They shallbecarriedoutoneachbatch.Solidrivetsshallbeselectedfromthebatchtobetestedbysimplerandom sampling. Eachsolidrivetmaybesubmittedtoseveralinspectionsortests,providedthatnoneofitscharacteristicstobe verifiedhasbeenpreviouslyalteredduringanyoftheseinspec
32、tionsortests. Thesolidrivetstobesubjectedtodestructiveinspectionsortestsmaybethoseonwhichnon-destructive inspectionsortestshavebeencarriedout. Batchesdeclaredunacceptableaftertheacceptanceinspectionshallberesubmittedforacceptanceonlyafterall thedefectiveunitshavebeenremovedand/ordefectshavebeencorre
33、cted. Inthiscase,theattribute(s)whichcausedtherejectionshallbeverifiedusingasampleoftwicethenormalsize withthesameacceptancelimit. Ifthereasonforrejectionresultsfromthemethod,thetestapparatusorfromfaultyheattreatmentwhichcanbe rectifiedinasatisfactorymanner,thetestsmayberepeatedaftereliminationofthe
34、cause,providedthatany BS A 352:20004 surfacetreatmentberemovedpriortoheattreatment,withoutbeingdetrimentaltorivetfinaluse.Anotetothis effectshallbeaddedtothecorrespondinginspectiondocuments. Unlessotherwisespecified,thetesttemperatureshallbetheambienttemperature. 4.3 Useof“Statisticalprocesscontrol(
35、SPC)“ Whenacharacteristicisobtainedbyacontrolledstatisticalprocess,themanufacturerhasthepossibility,inorderto declareconformityofthecharacteristic,ofrefrainingfromthefinalsystematicsamplingprovidedforinthis InternationalStandard,ifheiscapableofformallyjustifyingthischoicebyusingISO/TR13425andthestan
36、dards quotedinitasabasis. Thisjustificationwillincludethefollowingphases: analysisoftheproductskeycharacteristics; analysisoftherisksforeachimplementedprocess; determinationoftheparametersand/orcharacteristicstoberespectedunderSPC; determinationofthecapabilitiesofeachprocess; drawingupaninspectionpl
37、anandintegrationinthemanufacturingprocess; drawingupofroutesandcontrolcharts(ISO7966,ISO7870,ISO8258); useofcontrolchartsfordataconsolidation; determinationoftheauditstoberunandthecontroltobecarriedouttoensurereliabilityofthedevice. Tobeusableinproduction,thisprocessshallbeorshouldbevalidatedbeforeh
38、andbythequalifyingbody,either duringthequalificationphase,or a posteriori according to the case, by analysing the justificatory file and the results ofthequalificationinspectionssuchasprovidedforinclause5. 5 Requirementsandtestmethods SeeTable1. Table1Requirementsandtestmethods Clause Characteristic
39、 Requirement Inspectionandtestmethod Classificationof defectsand sampling 5.1 Material Inaccordancewiththe productstandardor definitiondocument Seematerialstandard. 5.2 Dimensions Inaccordancewiththe productstandardor definitiondocument Usualinstruments Incaseofdispute,theprojection methodatamagnifi
40、cationof25times fordiametersu6mmand10times fordiameters 6mm,shallbeused asthereferencemethod.Checks shallbemadeatthreeequidistant pointsaroundtherivet. Table2 BS A 352:2000 5 Table1 (continued) Clause Characteristic Requirement Inspectionandtestmethod Classificationof defectsand sampling 5.3 Manufac
41、turing 5.3.1 Heattreatment Asspecifiedinthematerial standard. 5.3.2 Workmanship Nocracksorblistering. Visualexaminationwithorwithout magnification.Themagnification shallbelimitedtosixtimes. Table2 Localized,non-continuous seams,laps,coldshuts,tool marksandpitshavinga maximumdepthof0,07mm arepermissi
42、ble. Defectdepthshallbemeasured perpendiculartoalinetangentwith thesurface. Intheeventofanydoubt,thetest specifiedin5.4.2shallbeusedas thereferencemethod. 5.3.3 Surface treatment Treatment: inaccordancewiththe productstandardor definitiondocument; anodizingthicknessis notmandatory. Seeapplicablesurf
43、acetreatment standard. Table2 5.4 Mechanical properties 5.4.1 Doubleshear strength SeeTable3. ISO17057 Table4 5.4.2 Drivability Nocrackspermitted Testdevice:seeFigure1. Testmethod: a) progressivelyupsetthe protrudingend,untilthevalues specifiedinFigure2are obtained; b) examinevisuallywithout magnifi
44、cation. Sampledefinition:seeFigure3. Testcarriedoutatdelivery condition. Table2 5.5 Metallurgical properties 5.5.1 Hydrogen Rivetsshallnothave hydrogencontentthat exceeds85 g/g. Proceduresandequipmentcapable ofanalysinghydrogentoan accuracyof0,0010%(10 g/g) Onetestperbatch 5.6 Product identification
45、 marking Inaccordancewiththe productstandardor definitiondocument. Visualexamination Table2 BS A 352:20006 Table1 (continued) Clause Characteristic Requirement Inspectionandtestmethod Classificationof defectsand sampling 5.7 Delivery 5.7.1 Packaging Thepackagingshall: preventanydamageor corrosionfro
46、moccurring duringhandling, transportationand storage; onlycontainrivetsfrom thesamebatch,the numberofwhichisleft tothemanufacturers discretion;however,the maximummassis 25kg; containacopyofthe manufacturersdelivery noterelatingtothe batch.Furthermore,this notemaybesent separatelyupon request. Anypar
47、ticularoradditional packagingrequirementsshall bespecifiedwiththeorder. Visualexamination 5.7.2 Labelling Durablelabels,securedto thepackaging,bearingthe followinginformation: designation; quantity(massor number); manufacturersname; batchnumber. Visualexamination BS A 352:2000 7 Table2Classification
48、ofdefects Categoryofdefects Acceptancequality limit (AQL) Characteristics SeeTable5. Headdiameter Headangle Headprotrusion Productidentificationmarking a Shankdiameter Length Cracks Blistering Major SeeTable6. Drivabilityduringinstallation Minor SeeTable6. Allotherdimensions,appearanceitemsand misce
49、llaneousdefects a Includinglegibility. Table3Doubleshearstrength Rivetdiameter a Minimumdoubleshearstrength(N) b Alloydesignation (minimumshearstress) D 1 mm T40 55Ti-45Cb nom. min. (330MPa) (345MPa) 1,6 1,52 1197 1252 2 1,92 1911 1998 2,5 2,42 3036 3174 3 2,92 4420 4621 3,5 3,395 5974 6246 4 3,895 7864 8222 5 4,895 12420 12985 6 5,895 18013 18832 8 7,87 32105 33565 10 9,87 50498 52793 a Forotherdiameters,usetheformulagiveninfootnote b . b Valuescalculatedusingthefollowingformula: (D
