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本文(BS EN 3768-2012 Aerospace series Nuts anchor self-locking one lug fixed reduced series with counterbore in heat resisting steel MoS2lubricated Classification 1100 MPa (at ambient t.pdf)为本站会员(medalangle361)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN 3768-2012 Aerospace series Nuts anchor self-locking one lug fixed reduced series with counterbore in heat resisting steel MoS2lubricated Classification 1100 MPa (at ambient t.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 3768:2012Aerospace series Nuts,anchor, self-locking, one lug,fixed, reduced series, withcounterbore, in heat resistingsteel, MoS2 lubricated Classification: 1 100 MPa (atam

2、bient temperature)/315 CCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 3768:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3768

3、:2012. 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 on request to its secretary.This publication does not purport to include all the necessary provi

4、sions of a contract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 76579 7 ICS 49.030.30 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was publish

5、ed under the authority of the Standards Policy and Strategy Committee on 31 March 2012.Amendments issued since publicationDate T e x t a f f e c t e dCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without l

6、icense from IHS-,-,-BS EN 3768:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3768 March 2012 ICS 49.030.30 English Version Aerospace series - Nuts, anchor, self-locking, one lug, fixed, reduced series, with counterbore, in heat resisting steel, MoS2 lubricated - Classification: 1 100 MPa

7、(at ambient temperature)/315 C Srie arospatiale - crous river, freinage interne, fixes, simple patte, srie rduite, avec chambrage, en acier rsistant chaud, lubrifis MoS2 - Classification: 1 100 MPa ( temprature ambiante)/315 C Luft- und Raumfahrt - Annietmuttern, selbstsichernd, einseitiger verkrzte

8、r 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 23 December 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions f

9、or 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-CENELEC Management Centre or to any CEN member. This European Standard exists in thr

10、ee 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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bo

11、dies 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, Turkey and

12、United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3768:201

13、2: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 3768:2012EN 3768:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Required characteristics .53.1 Co

14、nfiguration Dimensions Masses 53.2 Materials .53.3 Surface treatment 54 Designation 75 Marking .76 Technical specification .7Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN

15、 3768:2012EN 3768:2012 (E) 3 Foreword This document (EN 3768:2012) 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 has received the appr

16、oval 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 September 2012, and co

17、nflicting national standards shall be withdrawn at the latest by September 2012. 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 rights. Accor

18、ding 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, Ireland, Ita

19、ly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking

20、permitted without license from IHS-,-,-BS EN 3768:2012EN 3768:2012 (E) 4 1 Scope This European Standard specifies the characteristics of one 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, M

21、oS2lubricated. Classification: 1 100 MPa1)/315 C2)2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest editi

22、on 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 Heat resisting steel FE-PA2601 (X4NiCrTiMoV26-15) Rm 900 MPa Bars for forged bolts D 25 m

23、m EN 2424, Aerospace series Marking of aerospace products EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methodsEN 3638, Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Consumable electrode remelted Solution and precipitation treated Sheet, strip and plate

24、- 0,5 mm a 10 mmEN 3639, Aerospace series Heat resisting steel FE-PA92HT cold worked and softened Bars and wires for continuous cold forging or extrusion of fasteners 3 mm D 30 mm Rm 900 MPa 3) EN 9100, Quality Management Systems Requirements for Aviation, Space and Defense Organizations EN 9133, Ae

25、rospace series Quality management systems Qualification Procedure for Aerospace Standard Parts TR 3791, Aerospace series Materials for all metal self-locking nuts and thin wall inserts of temperature classes 425 C4)ISO 3191, Aerospace Nuts, anchor, self-locking, fixed, single lug, reduced series, wi

26、th counterbore, with MJ threads, classifications: 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/315 degrees C and 1 100 MPa (at ambient temperature)/425 degrees C Dimensions ISO 5855-2, Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts ISO 5858,

27、Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C Procurement specification ISO 8788, Aerospace Nuts, metric Tolerances of form and position 1) Corresponds to strength class of the associated bolt, the 100 per cent load of which it is able to withst

28、and, 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 temperature has been restored. The maximum temperature is conditioned by the surface treatment.

29、 3) In preparation at the date of publication of this standard. 4) Published as ASD-STAN Technical Report at the date of publication of this standard. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without

30、license from IHS-,-,-BS EN 3768:2012EN 3768:2012 (E) 5 3 Required characteristics 3.1 Configuration Dimensions Masses See Figure 1 and Table 1. Dimensions and tolerances are: in conformity with ISO 3191, expressed in millimetres and apply before MoS2lubrication. Form and position tolerances shall be

31、 in conformity with ISO 8788. 3.2 Materials EN 2398, EN 2399, EN 3638, EN 3639 or TR 3791. 3.3 Surface treatment EN 2491, thickness not specified. Remove sharp edges 0,1 to 0,4 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or net

32、working permitted without license from IHS-,-,-BS EN 3768:2012EN 3768:2012 (E) 6 Details of form not stated are at the manufacturers option. Key a These values in micrometres apply prior to surface treatment. The values do not apply to threads, punched holes or sheared edges, the surface texture of

33、which will be as achieved by usual manufacturing methods. b Form out-of-round in this area to achieve the self-locking requirement Tooling marks are permitted in this area. c Radius or chamfer 1 Thread 2 Marking Figure 1 Table 1 Diameter code ThreadaE F G H JbK L M NcR S Mass kg/1000piecesapprox.min

34、. min. max. max. max. max. max. 02,0+040 MJ40,7-4H6H 6 5,5 4,4 2,2 6,2 8 18,2 5,8 1,1 2,5 2,5 1,2 050 MJ50,8-4H6H 7 5,5 2,4 7,3 9 19,7 6,9 1,6 060 MJ61-4H5H 8 6,5 2,7 8,7 10 21,7 8,1 1,4 3 2,4 aIn accordance with ISO 5855-2. In the self-locking zone, the tolerances apply before forming out-of-round.

35、 bIs to sharp corners (chamfered) or point of tangency (radiused). cIs applicable at the rivet hole location. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 3768:2012EN 37

36、68:2012 (E) 7 4 Designation EXAMPLE Description block Nut Identity block EN3768060 Number of this standard Diameter code (see Table 1) NOTE If necessary, the originator code 19005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style N. See Figure 1. 6 Techni

37、cal specification ISO 5858 except for: Approval of manufacturers: see EN 9100; Qualification of products: see EN 9133. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This page d

38、eliberately left blankCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This page deliberately left blankCopyright European Committee for Standardization Provided by IHS under lice

39、nse with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK view on standards in Europe and at th

40、e international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996

41、Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an

42、inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001BSI offers BSI

43、 Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly

44、using acredit card from the BSI Shop on the website addition all orders for BSI, international and foreign standards publicationscan be addressed to BSI Customer Services.Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001Email: In response to orders for international standards, BSI will supply the B

45、ritish Standard implementation of the relevant international standard, unless otherwise requested.Information on standardsBSI provides a wide range of information on national, Europeanand international standards through its Knowledge Centre.Tel: +44 (0)20 8996 7004 Fax: +44 (0)20 8996 7005Email: BSI

46、 Subscribing Members are kept up to date with standards developments and receive substantial discounts on the purchase priceof standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online

47、access to British Standards and PASs via British Standards Online can be found at information about British Standards is available on the BSI website at www.bsi- the data, software and documentation set out in all British Standards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that own copyright in the information used (such as the international standardisation bodies) has formally licensed such information to BSI for commerical publication and use. Exce

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