BS EN 2044-2001 Aerospace series - Round bars drawn in aluminium and aluminium alloys - Tolerance class h 11 - Diameter 4 mm D 63 mm - Dimensions《航空航天系列 铝及铝合金拉制圆棒 公差等级h11 直径为4mm D .pdf

1、BRITISH STANDARD AEROSPACE SERIES BS EN 2044:2001 Round bars, drawn, in aluminium and aluminium alloys Tolerance class h 11 Diameter 4 mm D 63 mm Dimensions The European Standard EN 2044:2001 has the status of a British Standard ICS 49.025.20; 49.035 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMI

2、TTED BY COPYRIGHT LAWBS EN 2044:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 24 December 2001 BSI 24 December 2001 ISBN 0 580 37994 9 N

3、ational foreword This British Standard is the official English language version of EN 2044:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/61, Inspection and testing requirements for aerospace metallic materials, which has the responsibility to: A list of organ

4、izations represented on this committee can be obtained 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 Standar

5、ds Correspondence Index”, or by using the “Find” facility 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

6、 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments an

7、d promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5, and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. D

8、ate CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2044 December2001 ICS49.025.20 Englishversion AerospaceseriesRoundbars,drawn,inaluminiumand aluminiumalloysToleranceclassh11Diameter4mm D 63mmDimensions SriearospatialeBarresrondes,tires,enaluminium etalliagesdaluminiumClassedetolranceh11

9、Diamtres4mm D 63mmDimensions LuftundRaumfahrtRundstangen,gezogen,aus AluminiumundAluminiumlegierungenToleranzklasseh 11Durchmesser4mm D 63mmMae ThisEuropeanStandardwasapprovedbyCENon2May2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurop

10、e an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguage

11、madebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,N

12、orway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2

13、044:2001EEN2044:2001 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountrie

14、sof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyJune2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyJune2002. AccordingtotheCEN/CENELECInternalRegulations,thenation

15、alstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2044:2001 3 0 Introduction Thisstan

16、dardispartoftheseriesofENmetallicmaterialstandardsforaerospaceapplications.Thegeneral organizationofthisseriesisdescribedinEN4258. 1 Scope Thisstandardspecifiesthedimensionsandtolerancesof: Roundbars,drawn inaluminiumandaluminiumalloys Toleranceclassh11 Diameter4mm D 63mm foraerospaceapplications. 2

17、 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thi

18、sEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN3848 AerospaceseriesSemifinishedmetallicproductsMethodofmeasuringformdeviations EN4258 AerospaceseriesMetallicmaterialsGeneralorganizationofstandardizationLinksbet

19、ween typesofENstandardsandtheiruse 3 Form Seefigure1. Figure1EN2044:2001 4 4 Recommendeddimensionsandmass 4.1 Diameterandmass Seetable1. Table1 Nominal D mm Linearmass a kg/m 4 0,035 5 0,055 6 0,079 80 , 1 4 90 , 1 8 10 0,22 12 0,32 14 0,43 16 0,56 18 0,71 20 0,88 22 1,1 25 1,4 28 1,7 32 2,3 36 2,8

20、40 3,5 45 4,5 50 5,5 56 6,9 63 8,7 a Forinformation,calculatedwithadensityof2,8kg/dm 3 4.2 Length Theordershallspecifyifbarsaretobesuppliedinfixedorinrandomlengths.Intheeventofasupplyof randomlengthstheminimumandmaximumvaluesforthelengthsshallbespecifiedontheorder. 5 Tolerances 5.1 Dimensionaltolera

21、nces 5.1.1 Diameter Seetable2. Table2 Dimensionsinmillimetres Nominal D Toleranceclass 4 D 63 h11EN2044:2001 5 5.1.2 Length Seetable3,onlyapplicabletobarssuppliedinfixedlengths. Table3 Dimensionsinmillimetres Length Tolerances 6000 6 0 6000 10 0 5.2 Geometrictolerances 5.2.1 Straightness 5.2.1.1 Met

22、hodofmeasurementandsymbols SeeEN3848. 5.2.1.2 Tolerances Seetable4. Table4 Dimensionsinmillimetres Straightnessdeviation: Nominal D Y 1 permetre Y 2 onanylength X 2 a 4 D 10 Tobeagreedbetweenmanufacturerandpurchaser 10 D 63 2 0,6 a X2 400 5.2.2 Roundness 5.2.2.1 Methodofmeasurement SeeEN3848. 5.2.2.

23、2 Tolerances Seetable5. Table5 Dimensionsinmillimetres Nominal D Roundnessdeviation 4 D 6 0,038 6 D 10 0,045 10 D 18 0,055 18 D 30 0,065 30 D 50 0,080 50 D 63 0,095BS EN 2044:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsi

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