BS EN 3537-2010 Aerospace series - Nuts anchor self-locking fixed two lug with counterbore in heat resisting steel MoS2 lubricated - Classification 1100 MPa (at ambient temperature.pdf

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1、BS EN 3537:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, fixed, two lug, with counterbore, in heat resisting steel, MoS lubricated Classification: 1 100 MPa (at ambient tem-perature)/315 CLicensed C

2、opy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 March2010 BSI 2010ISBN 978 0 580 70740 7Amendments/corrigenda issued since publicationDate CommentsBS EN 3

3、537:2010National forewordThis British Standard is the UK implementation of EN 3537:2010.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained onrequest to its

4、 secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08

5、, Uncontrolled Copy, (c) BSIBS EN 3537:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3537 February 2010 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking, fixed, two lug, with counterbore, in heat resisting steel, MoS2lubricated - Classification: 1 100 MPa (at am

6、bient temperature)/315 C Srie arospatiale - crous river, freinage interne, fixes, double patte, avec chambrage, en acier rsistant chaud, lubrifis MoS2- Classification: 1 100 MPa ( temprature ambiante)/315 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, beiderseitiger Flansch, mit zylindrische

7、r Aussenkung, aus hochwarmfestem Stahl, MoS2-geschmiert - Klasse: 1 100 MPa (bei Raumtemperatur)/315 C This European Standard was approved by CEN on 18 December 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Sta

8、ndard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, Fren

9、ch, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia

10、, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZAT

11、ION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3537:2010: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STA

12、NDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010EN 3537:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .86 Technical specification .8Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08,

13、Uncontrolled Copy, (c) BSIBS EN 3537:2010EN 3537:2010 (E) 3 Foreword This document (EN 3537:2010) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this

14、 Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the l

15、atest by August 2010, and conflicting national standards shall be withdrawn at the latest by August 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all

16、such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hunga

17、ry, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010

18、EN 3537:2010 (E) 4 1 Scope This European Standard specifies the characteristics of two lug, counterbored fixed anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round, in heat resisting steel, MoS2lubricated. Classification: 1 100 MPa 1) / 315 C 2)2 Normative refe

19、rences The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3223, Aerospace Nuts, anchor, self-loc

20、king, fixed, two lug, with counterbore, with MJ threads, classifications: 1 100 MPa (at ambient temperature)/235 C, 1 100 MPa (at ambient temperature)/315 C and 1 100 MPa (at ambient temperature)/425 C Dimensions ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 8788,

21、Aerospace Nuts, metric Tolerances of form and position EN 2398, Aerospace series Heat resisting steel FE-PA2601 (X6NiCrTiMoV26-15) Rm 900 MPa Bars for machined bolts D 25 mm EN 2399, Aerospace series Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424,

22、Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 3638, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Consumable electrode remelted Solution and precipitation treated Sheet, strip and plate 0,5 mm a 1

23、0 mm EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold worked Wire for forged fasteners D 15 mm 900 MPa Rm 1 100 MPa 3)EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for quality assurance in design, develo

24、pment, production, installation and servicing (based on ISO 9001:1994) 1) Corresponds to strength class of the associated bolt, the 100 per cent load of which it is able to withstand, when tested at ambient temperature, without breaking or cracking. 2) Maximum temperature that the nut is able to wit

25、hstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as ASD-STAN Prestandard at the date of publication of this standard. Licensed Copy: Wang Bin, ISO/EXCHANGE

26、CHINA STANDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010EN 3537:2010 (E) 5 EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TR 3791, Aerospace series Materials for self-locking nuts, threaded inserts and screw thread insert

27、s of temperature classes 425 C 4) 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 3223, expressed in millimetres and apply before MoS2lubrication. Form and position tolerances shall be in conformity with I

28、SO 8788 and those specified in Table 1. 3.2 Materials EN 2398, EN 2399, EN 3638, EN 3639 or TR 3791 3.3 Surface treatment EN 2491, thickness not specified. 4) Published as ASD-STAN Technical Report at the date of publication of this standard. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05

29、/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010EN 3537:2010 (E) 6 These values in micrometres apply before surface treatment. The values do not apply to threads and sheared edges the surface texture of which will be achieved by usual manufacturing methods. Remove sharp edges 0,1 to 0,4. De

30、tails of form not stated are at the manufacturers option. Key 1 Marking 2 Radius or chamfer 3 Thread 4 Form out-of-round in this area to achieve the self-locking. Tooling marks are permitted in this area. 5 Bearing face of the nut 6 Alternatives: countersunk rivet holes (when specified by purchaser)

31、 may be dimpled or cut countersunk (at manufacturers option). Figure 1 6 6,3 3,2 Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010EN 3537:2010 (E) 7 Table 1 Diameter code Thread a E F G H Jb K L M Nc R S V Mass kg/1000 pieces approx. m

32、in.min. max. max. max. max. max. aux. 0,25 030 MJ30,5-4H6H 6 12 d d 4,6 6 17,2 3,2 1 2,5 2,5 4,8 0,45 040 MJ40,7-4H6H 8,5 17 4,4 2,2 6,2 8 23,2 5,8 1,15 050 MJ50,8-4H6H 9,5 19 5,5 2,4 7,3 9 25,2 6,9 3 1,30 060 MJ61-4H5H 11 22 6,5 2,7 8,7 10 29,2 8,1 1,2 3,5 2,10 080 MJ81-4H5H 8,5 10,9 13 9,9 1,5 3 5

33、,7 4,40 100 MJ101,25-4H5H 13 26 10,5 3 12,9 16,2 35,2 12 1,6 5 3,5 6,6 7,65 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bIs to sharp corners (chamfered) or point of tangency (radiused). cIs applicable at the rivet hole location. dDiamet

34、er code 030 does not have a counterbore. 4 Designation EXAMPLE Description block NUT Identity block EN3537060 Number of this standard Hole code (see Table 2) Diameter code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the description block and the identity block.

35、Table 2 Option Code Plain rivet holes (hyphen) Countersunk or dimpled rivet holesK Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010EN 3537:2010 (E) 8 5 Marking EN 2424, style N. See Figure 1. 6 Technical specification ISO 5858-2, exce

36、pt for: Approval of manufacturers: see EN 9100; Qualification of products: see EN 9133. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN 3537:2010This page has been intentionally left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS,

37、05/07/2010 03:08, Uncontrolled Copy, (c) BSIBS EN3537:2010BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - British Standards InstitutionBSI is the independent national body responsible for preparing BritishStandards. It presents the UK view o

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