ISO 3225-1998 Aerospace - Nuts anchor self-locking fixed two lug reduced series with counterbore with MJ threads classifications 1100 MPa (at ambient temperatur.pdf

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1、A Numroderfrence ISO3225:1998 (F) NORME INTERNATIONALE ISO 3225 Deuximedition 19981115 Aronautiqueetespacecrousriver, freinageinterne,fixes,doublepatte,srie rduite,avecchambrage,filetageMJ, classifications:1100MPa(temprature ambiante)/235C,1100MPa(temprature ambiante)/315Cet1100MPa (tempratureambian

2、te)/425C Dimensions AerospaceNuts,anchor,selflocking,fixed,twolug,reducedseries,with counterbore,withMJthreads,classifications:1100MPa(atambient temperature)/235C,1100MPa(atambienttemperature)/315Cand 1100MPa(atambienttemperature)/425CDimensionsISO3225:1998(F) ISO1998 Droitsdereproductionrservs.Sauf

3、prescriptiondiffrente,aucunepartiedecettepubli cationnepeuttrereproduiteniutilisesousquelqueformequecesoitetparaucunpro cd,lectroniqueoumcanique,ycomprislaphotocopieetlesmicrofilms,sanslaccord critdelditeur. Organisationinternationaledenormalisation Casepostale56 CH1211Genve20 Suisse Internet isoiso

4、ch ImprimenSuisse ii Avantpropos LISO(Organisationinternationaledenormalisation)estunefdration mondialedorganismesnationauxdenormalisation(comitsmembresde lISO).LlaborationdesNormesinternationalesestengnralconfieaux comitstechniquesdelISO.Chaquecomitmembreintressparune tudealedroitdefairepartieduco

5、mittechniquecrceteffet.Les organisationsinternationales,gouvernementalesetnongouvernementales, enliaisonaveclISOparticipentgalementauxtravaux.LISOcollabore troitementaveclaCommissionlectrotechniqueinternationale(CEI)en cequiconcernelanormalisationlectrotechnique. LesNormesinternationalessontrdigesco

6、nformmentauxrgles donnesdanslesDirectivesISO/CEI,Partie3. LesprojetsdeNormesinternationalesadoptsparlescomitstechniques sontsoumisauxcomitsmembrespourvote.Leurpublicationcomme Normesinternationalesrequiertlapprobationde75 %aumoinsdes comitsmembresvotants. LaNormeinternationaleISO3225atlaboreparlecom

7、ittechnique ISO/TC20,Aronautiqueetespace , souscomit SC4, lmentsde fixationpourconstructionsarospatiales . Cettedeuximeditionannuleetremplacelapremire(ISO3225:1985), dontelleconstitueunervisiontechnique. ISO ISO3225:1998(F) iii Introduction LesdimensionsspcifiesdanslaprsenteNormeinternationaleontt d

8、finiespourpermettrelaproductiondunepicesatisfaisantauxexigencesde laspcificationdapprovisionnement ISO5858.NORMEINTERNATIONALE ISO ISO3225:1998(F) 1 Aronautiqueetespacecrousriver,freinageinterne,fixes, doublepatte,srierduite,avecchambrage,filetageMJ, classifications:1100MPa(tempratureambiante)/235C,

9、 1100MPa(tempratureambiante)/315Cet1100MPa (tempratureambiante)/425CDimensions 1Domainedapplication LaprsenteNormeinternationalespcifielesdimensionsdescrousriver,freinageinterne,fixes,doublepatte, srierduite,avecchambrage,filetageMJ,declassifications:1100MPa 1) /235C 2) , 1100MPa 1) /315C 2) et 1100

10、MPa 1) /425C 2) . LaprsenteNormeinternationaleestapplicableuniquementllaborationdenormesdeproduitdestinesaux constructionsarospatiales. 2Rfrencesnormatives Lesdocumentsnormatifssuivantscontiennentdesdispositionsqui,parsuitedelarfrencequiyestfaite, constituentdesdispositionsvalablespourlaprsenteNorme

11、internationale.Pourlesrfrencesdates,les amendementsultrieursoulesrvisionsdecespublicationsnesappliquentpas.Toutefois,lespartiesprenantes auxaccordsfondssurlaprsenteNormeinternationalesontinvitesrechercherlapossibilitdappliquerles ditionslesplusrcentesdesdocumentsnormatifsindiqusciaprs.Pourlesrfrence

12、snondates,ladernire ditiondudocumentnormatifenrfrencesapplique.LesmembresdelISOetdelaCEIpossdentleregistredes Normesinternationalesenvigueur. ISO58552:1988, AronautiqueetespaceFiletageMJPartie2:Dimensionslimitespourvisetcrous . ISO5858:1991, Aronautiqueetespacecrousfreinageinternedontlatempraturemax

13、imaledutilisationest infrieureougale425CSpcificationdapprovisionnement. ISO8788:1987, AronautiqueetespacelmentsdefixationTolrancesdeformeetdepositiondescrous . 3Configurationetdimensions VoirlaFigure1etleTableau1.Lesdimensionsettolrancessontexprimesenmillimtres.Ellessappliquent aprsrevtement(s)desur

14、faceventuel(s)maisavantlubrificationventuelle. Lacalottemtallique,optionnelle,doitrestersolidairedelcroulatempraturemaximaledutilisation(procdde fixationauchoixdelutilisateur).VoirlISO5858pourlesconditionsdessai. _ 1)Correspondlacontrainteminimaleentractionquelcroupeutsupportertempratureambiante,san

15、srupturenicrique lorsquilestessayavecunevisdeclassedersistancesuprieure. 2)Tempraturemaximalequelcroupeutsupportersansaltrationpermanentedesescaractristiquesoriginelles,aprs retourlatempratureambiante.Latempraturemaximaleestconditionneparletraitementdesurface.ISO3225:1998(F) ISO 2 Lestolrancesdeform

16、eetdepositiondoiventtreconformescellesspcifiesdanslISO8788.Lesdtailsdeformenon prcisssontlaisssauchoixdufabricant. a Cesvaleurs,enmicromtres,sontvalablesavantrevtement(s)desurfaceventuel(s).Lesvaleursnesappliquentpas aufiletage,auxtrouspoinonns,niauxpartiesdcoupesdontltatdesurfaceseraceluiobtenuparl

17、esmthodes normalesdefabrication. b Marquesdoutilsadmisesdanscettezone Figure1 Tableau1 Codede diamtre Filetage a CDEFGHJ b KLMNP c QR max. max. min. min. max. max. max. max. max. max. max. 040 050 MJ4 0,74H6H MJ5 0,84H6H 0,4 6,6 8,1 6 7 12 14 4,4 5,5 2,2 2,4 6,2 6,3 8 9 17,2 19,2 5,8 6,9 1,1 11 11,4

18、 13 13,4 2,5 060 MJ6 14H5H 9,2 8 16 6,5 2,7 8,7 10 22,2 8,1 1,35 12,7 14,7 3 a ConformelISO58552.Danslazonedefreinageinterne,lestolrancessontvalablesavantdformation. b Mesurauxanglesvifs(chanfrein)ouauxpointsdetangence(arrondi) c DpassementmaximaldelavisISO3225:1998(F) ISO ICS49.030.30 Descripteurs:industriearonautique,lmentdefixation,filetageMJ,crou,crouriver,crouautobloquant,croudoublepatte, crou avecchambrage,classification,spcificationdeforme,dimension. Prixbassur2pages

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