BS EN 3538-2010 Aerospace series - Nuts anchor self-locking fixed two lug reduced series with counterbore in heat resisting steel MoS2 lubricated - Classification 1100 MPa (at ambi.pdf

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1、BS EN 3538:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, fixed, two lug, reduced series, with counterbore, in heat resisting steel, MoS2lubricated Classification: 1 100 MPa (at ambient temperature)/

2、315 CLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 04:03, Uncontrolled Copy, (c) BSIThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 31 March2010 BSI 2010ISBN 978 0 580 70741 4Amendments/corrigenda issued since publicationDate

3、CommentsBS EN 3538:2010National forewordThis British Standard is the UK implementation of EN 3538:2010.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 o

4、nrequest to its 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, 0

5、5/07/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3538 February 2010 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking, fixed, two lug, reduced series, with counterbore, in heat resisting steel, MoS2lubricated - C

6、lassification: 1 100 MPa (at ambient temperature)/315 C Srie arospatiale - crous river, freinage interne, fixes, double patte, srie reduite, avec chambrage, en acier rsistant chaud, lubrifis MoS2- Classification: 1 100 MPa ( temprature ambiante)/315 C Luft- und Raumfahrt - Annietmuttern, selbstsiche

7、rnd, beiderseitiger verkrzter Flansch, mit zylindrischer 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 whic

8、h stipulate the conditions for giving this European Standard 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 St

9、andard exists in three official versions (English, French, 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

10、standards bodies of Austria, Belgium, Bulgaria, Croatia, 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

11、and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION 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 3538

12、:2010: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EN 3538:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .76 Technical specification .7Licensed Copy: Wan

13、g Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EN 3538:2010 (E) 3 Foreword This document (EN 3538:2010) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out

14、 in accordance with the rules of this Association, this 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 publi

15、cation of an identical text or by endorsement, at the latest 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 sh

16、all not be held responsible for identifying any or all 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, De

17、nmark, Estonia, Finland, France, Germany, Greece, Hungary, 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, 05/0

18、7/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EN 3538:2010 (E) 4 1 Scope This European Standard specifies the characteristics of two lug, reduced series, counterbored fixed anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round, in heat resisting steel,

19、MoS2lubricated. Classification: 1 100 MPa 1) / 315 C 2)2 Normative references 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 (includ

20、ing any amendments) applies. ISO 3225, Aerospace Nuts, anchor, self-locking, fixed, two lug, reduced series, 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

21、ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 5858, Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 C Procurement specification ISO 8788, Aerospace Nuts, metric Tolerances of form and position EN 2398, Aerospace series Hea

22、t 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 (X6NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum

23、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 10 mm EN 3639, Aerospace series Heat resisting alloy FE-PA2601 Softened and cold work

24、ed Wire for forged fasteners D 15 mm 900 MPa Rm 1100 MPa 3)EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994) 1) Corresponds

25、 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 withstand, without permanent alteration to its original characteristics, after ambient t

26、emperature has been restored. The maximum temperature is conditioned by the surface treatment. 3) Published as ASD-StAN standard at the date of publication of this standard. Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EN 3538:2010

27、 (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 inserts of temperature classes 425 C 4) 3 Required characteristics 3.1 Configuration Dimension

28、s Masses See Figure 1 and Table 1. Dimensions and tolerances are in conformity with ISO 3225, expressed in millimetres and apply before MoS2lubrication. Form and position tolerances shall be in conformity with ISO 8788 and those specified in Table 1. 3.2 Materials EN 2398, EN 2399, EN 3638, EN 3639

29、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, 05/07/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EN 3538:2010 (E) 6 These values

30、 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 usualmanufacturing methods. Remove sharp edges 0,1 to 0,4. Details of form not stated are at the manufacturers option. Key 1 Marking 2 Radius or chamf

31、er 3 Thread 4 Form out-of-round in this area to achieve self-locking. Tooling marks are permitted in this area. Figure 1 6,3 3,2 Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 05/07/2010 04:03, Uncontrolled Copy, (c) BSIBS EN 3538:2010EN 3538:2010 (E) 7 Table 1 Diameter code Thread a E F G H

32、 J b K L M N c R Masskg/1 000pieces approx.min. min. max. max. max. max. max. aux.040 MJ40,7-4H6H 6 12 4,4 2,2 6,2 8 17,2 5,8 1,1 2,5 0,95 050 MJ50,8-4H6H 7 14 5,5 2,4 7,3 9 19,2 6,9 1,10 060 MJ61-4H5H 8 16 6,5 2,7 8,7 10 22,2 8,1 1,35 3 1,80 aIn accordance with ISO 5855-2. In the self-locking zone,

33、 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. 4 Designation EXAMPLE Description block NUT Identity block EN3538060 Number of this standard Diameter code (see Table 1) NOTE If necessary t

34、he originator code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style N. See Figure 1. 6 Technical specification ISO 5858, except for: Approval of manufacturers: see EN 9100; Qualification of products: see EN 9133. Licensed Copy: Wang Bin, ISO/EXCHAN

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