EN 3435-2010 en Aerospace series - Nuts anchor self-locking floating two lug reduced series with counterbore in heat resisting steel MoS2 lubricated - Classification 1 100 MPa (at .pdf

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1、BS EN 3435:2010ICS 49.030.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Nuts, anchor, self-locking, floating, two lug, reduced series, with counterbore, in heat resisting steel, MoS2lubricated Classification: 1 100 MPa (at ambient temperatur

2、e) / 315 CThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 28 February2010 BSI 2010ISBN 978 0 580 70530 4Amendments/corrigenda issued since publicationDate CommentsBS EN 3435:2010National forewordThis British Standard is the UK implementation of E

3、N 3435:2010.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 secretary.This publication does not purport to include all the necessary pr

4、ovisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 3435:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3435 January 2010 ICS 49.030.30 English Version Aerospace series - Nuts, anchor

5、, self-locking, floating, two lug, reduced series, with counterbore, in heat resisting steel, MoS2lubricated - Classification: 1 100 MPa (at ambient temperature) / 315 C Srie arospatiale - crous river, freinage interne, flottants, double patte, srie rduite, avec chambrage, en acier rsistant chaud, l

6、ubrifis MoS2- Classification: 1 100 MPa ( temprature ambiante) / 315 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, beweglich, beiderseitiger verkrzter Flansch, mit zylindrischer Aussenkung, aus hochwarmfestem Stahl, MoS2-geschmiert - Klasse: 1 100 MPa (bei Raumtemperatur) / 315 C This Europ

7、ean Standard was approved by CEN on 11 December 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references c

8、oncerning 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, French, German). A version in any other language made by translation under the responsibility of a CEN member into it

9、s 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, L

10、atvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Bru

11、ssels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3435:2010: EBS EN 3435:2010EN 3435:2010 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .54 Designation 75 Marking .76 Technical s

12、pecification .7BS EN 3435:2010EN 3435:2010 (E) 3 Foreword This document (EN 3435:2010) 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 Standard h

13、as 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 latest by Ju

14、ly 2010, and conflicting national standards shall be withdrawn at the latest by July 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 such patent rig

15、hts. 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, Hungary, Iceland, Ir

16、eland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3435:2010EN 3435:2010 (E) 4 1 Scope This standard specifies the characteristics of two lug, reduced series, counterbored fl

17、oating anchor nuts, with a self-locking feature achieved by forming the upper portion out-of-round, in heat resisting steel, MoS2lubricated. Classification: 1 100 MPa1) / 315 C2). 2 Normative references The following referenced documents are indispensable for the application of this document. For da

18、ted references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 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 H

19、eat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 mm EN 2424, 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)

20、 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 worked Wire for forged fasteners D 15 mm 900 MPa Rm 1 100 MPa3)EN 3816, Aerospace series FE-PA3601 (X6CrNiTi18-10) Air me

21、lted Softened and cold rolled Sheet and strip a 3 mm Rm 800 MPa EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TR 3791, Aerospace series Materials

22、 for self-locking nuts, threaded inserts and screw thread inserts of temperature classes 425 C4) 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 specificati

23、on 1) Corresponds to strength class of the associated bolt, the 100 % 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

24、 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. 4) Published as ASD-STAN Technical Report at the date of publication of this standard. BS EN 3435:2010EN 3435:201

25、0 (E) 5 ISO 7332, Aerospace Nuts, anchor, self-locking, floating, 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 ISO 8788, Aerospac

26、e Nuts, metric Tolerances of form and position 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are in conformity with ISO 7332, expressed in millimetres and apply before MoS2lubrication. Form and position tolerances shall be in confo

27、rmity with ISO 8788 and those specified in Table 1. 3.2 Materials Threaded element: EN 2398, EN 2399, EN 3638, EN 3639 or TR 3791. Cage: EN 3638 or EN 3816. 3.3 Surface treatment EN 2491, thickness not specified. BS EN 3435:2010EN 3435:2010 (E) 6 These values in micrometres apply before surface trea

28、tment. 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 Float inclusive 3 Cage 4 Threaded element 5 Form out-of-

29、round in this area to achieve self-locking. Tooling marks are permitted in this area. 6 Thread 7 Radius or chamfer Figure 1 6,3 3,2 BS EN 3435:2010EN 3435:2010 (E) 7 Table 1 Diameter code Thread a E F G H Jb K L M Nc P T Z Masskg/1 000piecesapprox. Radialfloat min. min. max. max. max. max. min. max.

30、 min. 040 MJ40,7-4H6H 6 12 4,4 2,2 6,2 11 17,2 5,8 0,8 5,4 4,5 0,5 1,76 050 MJ50,8-4H6H 7 14 5,5 2,4 7,3 12 19,2 6,9 6,5 1,9 060 MJ61-4H5H 8 16 6,5 2,7 8,7 13,5 21,2 8,1 7,5 4,6 2,8 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round. bIs to sha

31、rp corners (chamfered) or point of tangency (radiused). cIs applicable at the rivet hole location. 4 Designation EXAMPLE Description block NUT Identity block EN3435060 Number of this standard Diameter code (see Table 1) NOTE If necessary the originator code I9005 shall be placed between the descript

32、ion 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. BS EN3435:2010BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9

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