ISO 3221-1998 Aerospace - Nuts anchor self-locking fixed 90corner with counterbore with MJ threads classifications 1100 MPa (at ambient temperature) 235C 1100 M.pdf

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1、A Numroderfrence ISO3221:1998 (F) NORME INTERNATIONALE ISO 3221 Deuximedition 19981115 Aronautiqueetespacecrousriver, freinageinterne,fixes,dangle90,avec chambrage,filetageMJ,classifications: 1100MPa(tempratureambiante)/235C, 1100MPa(tempratureambiante)/315C et1100MPa(temprature ambiante)/425CDimens

2、ions AerospaceNuts,anchor,selflocking,fixed,90corner,with counterbore,withMJthreads,classifications:1100MPa(atambient temperature)/235C,1100MPa(atambienttemperature)/315Cand 1100MPa(atambienttemperature)/425CDimensionsISO3221:1998(F) ISO1998 Droitsdereproductionrservs.Saufprescriptiondiffrente,aucun

3、epartiedecettepubli cationnepeuttrereproduiteniutilisesousquelqueformequecesoitetparaucunpro cd,lectroniqueoumcanique,ycomprislaphotocopieetlesmicrofilms,sanslaccord critdelditeur. Organisationinternationaledenormalisation Casepostale56 CH1211Genve20 Suisse Internet isoiso.ch ImprimenSuisse ii Avant

4、propos LISO(Organisationinternationaledenormalisation)estunefdration mondialedorganismesnationauxdenormalisation(comitsmembresde lISO).LlaborationdesNormesinternationalesestengnralconfieaux comitstechniquesdelISO.Chaquecomitmembreintressparune tudealedroitdefairepartieducomittechniquecrceteffet.Les

5、organisationsinternationales,gouvernementalesetnongouvernementales, enliaisonaveclISOparticipentgalementauxtravaux.LISOcollabore troitementaveclaCommissionlectrotechniqueinternationale(CEI)en cequiconcernelanormalisationlectrotechnique. LesNormesinternationalessontrdigesconformmentauxrgles donnesdan

6、slesDirectivesISO/CEI,Partie3. LesprojetsdeNormesinternationalesadoptsparlescomitstechniques sontsoumisauxcomitsmembrespourvote.Leurpublicationcomme Normesinternationalesrequiertlapprobationde75 %aumoinsdes comitsmembresvotants. LaNormeinternationaleISO3221atlaboreparlecomittechnique ISO/TC20,Aronau

7、tiqueetespace , souscomit SC4, lmentsde fixationpourconstructionsarospatiales . Cettedeuximeditionannuleetremplacelapremire(ISO3221:1989), dontelleconstitueunervisiontechnique. ISO ISO3221:1998(F) iii Introduction LesdimensionsspcifiesdanslaprsenteNormeinternationaleontt dfiniespourpermettrelaproduc

8、tiondunepicesatisfaisantauxexigencesde laspcificationdapprovisionnement ISO5858.NORMEINTERNATIONALE ISO ISO3221:1998(F) 1 Aronautiqueetespacecrousriver,freinageinterne,fixes, dangle90,avecchambrage,filetageMJ,classifications: 1100MPa(tempratureambiante)/235C,1100MPa (tempratureambiante)/315Cet1100MP

9、a(temprature ambiante)/425CDimensions 1Domainedapplication LaprsenteNormeinternationalespcifielesdimensionsdescrousriver,freinageinterne,fixes, dangle90,avecchambrage,filetageMJ,declassifications:1100MPa 1) /235C 2) , 1100MPa 1) /315C 2) et 1100MPa 1) /425C 2) . LaprsenteNormeinternationaleestapplic

10、ableuniquementllaborationdenormesdeproduitdestinesaux constructionsarospatiales. 2Rfrencesnormatives Lesdocumentsnormatifssuivantscontiennentdesdispositionsqui,parsuitedelarfrencequiyestfaite, constituentdesdispositionsvalablespourlaprsenteNormeinternationale.Pourlesrfrencesdates,les amendementsultr

11、ieursoulesrvisionsdecespublicationsnesappliquentpas.Toutefois,lespartiesprenantes auxaccordsfondssurlaprsenteNormeinternationalesontinvitesrechercherlapossibilitdappliquerles ditionslesplusrcentesdesdocumentsnormatifsindiqusciaprs.Pourlesrfrencesnondates,ladernire ditiondudocumentnormatifenrfrencesa

12、pplique.LesmembresdelISOetdelaCEIpossdentleregistredes Normesinternationalesenvigueur. ISO58552:1988, AronautiqueetespaceFiletageMJPartie2:Dimensionslimitespourvisetcrous . ISO5858:1991, Aronautiqueetespacecrousfreinageinternedontlatempraturemaximaledutilisationest infrieureougale425CSpcificationdap

13、provisionnement. ISO8788:1987, AronautiqueetespacelmentsdefixationTolrancesdeformeetdepositiondescrous . 3Configurationetdimensions VoirlaFigure1etleTableau1.Lesdimensionsettolrancessontexprimesenmillimtres.Ellessappliquent aprsrevtement(s)desurfaceventuel(s)maisavantlubrificationventuelle. Lacalott

14、emtallique,optionnelle,doitrestersolidairedelcroulatempraturemaximaledutilisation(procdde fixationauchoixdelutilisateur).VoirlISO5858pourlesconditionsdessai. _ 1)Correspondlacontrainteminimaleentractionquelcroupeutsupportertempratureambiante,sansrupturenicrique lorsquilestessayavecunevisdeclasseders

15、istancesuprieure. 2)Tempraturemaximalequelcroupeutsupportersansaltrationpermanentedesescaractristiquesoriginelles,aprs retourlatempratureambiante.Latempraturemaximaleestconditionneparletraitementdesurface.ISO3221:1998(F) ISO 2 LestolrancesdeformeetdepositiondoiventtreconformescellesspcifiesdanslISO8

16、788.Lesdtailsdeformenon prcisssontlaisssauchoixdufabricant. a Cesvaleurs,enmicromtres,sontvalablesavantrevtement(s)desurfaceventuel(s).Lesvaleursnesappliquentpas aufiletage,auxtrouspoinonns,niauxpartiesdcoupesdontltatdesurfaceseraceluiobtenuparlesmthodes normalesdefabrication. b Marquesdoutilsadmise

17、sdanscettezone Figure1 ISO ISO3221:1998(F) 3 Tableau1 Codede Filetage a CDEFGHJ b KLMNP c QRSV diamtre max. max. min. min. max. max. max. max. max. max. max. 0,25 030 040 050 060 080 100 MJ3 0,54H6H MJ4 0,74H6H MJ5 0,84H6H MJ6 14H5H MJ8 14H5H MJ10 1,254H5H _ 0,4 0,5 _ 6,6 8,1 9,2 12,8 15 6 8,5 9,5 1

18、1 13 8,5 12 13,4 15,6 18,4 _ 4,4 5,5 6,5 8,5 10,5 _ 2,2 2,4 2,7 3 4,6 6,2 7,3 8,7 10,9 12,9 3 4 4,5 5 6,5 8,1 11,7 15,7 17,2 19,7 21,2 25,8 3,2 5,8 6,9 8,1 9,9 12 1 1,2 1,5 1,6 _ 11 11,4 12,7 15 20,2 _ 13 13,4 14,7 18 22 2,5 3 3,5 4,5 2,5 3 3,5 4,8 5,7 6,6 a ConformelISO58552.Danslazonedefreinageint

19、erne,lestolrancessontvalablesavantdformation. b Mesurauxanglesvifs(chanfrein)ouauxpointsdetangence(arrondi) c DpassementmaximaldelavisISO3221:1998(F) ISO ICS49.030.30 Descripteurs:industriearonautique,lmentdefixation,filetageMJ,crou,crouriver,crouautobloquant,crouavecchambrag e, classification,spcificationdeforme,dimension. Prixbassur3pages

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