EN 2546-2006 en Aerospace series - Washers lock with radial serrations in corrosion resisting steel passivated for flight control rods - Dimensions《航空航天系列 飞行操纵杆用钝化耐蚀钢制的径向锯齿锁紧垫圈 尺寸》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2546:2006 Washers, lock with radial serrations in corrosion resisting steel passivated for flight control rods Dimensions The European Standard EN 2546:2006 has the status of a British Standard ICS 49.030.50 BS EN 2546:2006 This British Standard was published

2、under the authority of the Standards Policy and Strategy Committee on 30 June 2006 BSI 2006 ISBN 0 580 47224 8 National foreword This British Standard is the official English language version of EN 2546:2006. It supersedes BS EN 2546:1990 which is withdrawn. The UK participation in its preparation w

3、as entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interest

4、s informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred

5、 to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provision

6、s of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI c

7、opyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2546 May2006 ICS49.030.50 SupersedesEN2546:1988 EnglishVersion AerospaceseriesWashers,lockwithradialserra

8、tionsin corrosionresistingsteelpassivatedforflightcontrolrods Dimensions SriearospatialeFreinsstriesradialesenacier rsistantlacorrosionpassivspourbiellesde commandesdevolDimensions LuftundRaumfahrtSicherungen,radialverzahntaus korrosionsbestndigemStahl,passiviertfr BediengestngevonFlugsteuerungenMae

9、 ThisEuropeanStandardwasapprovedbyCENon26October2005. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsma

10、ybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial

11、versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Romania, Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingd

12、om. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2006CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2546:2006:EEN 2546:2006 2 Contents Page Foreword 3 1 S

13、cope .4 2 Normative references .4 3 Required characteristics 4 4 Designation .6 5 Marking 7 6 Qualification 7 EN 2546:2006 3 Foreword This European Standard (EN 2546:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and vot

14、es carried out 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 AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard,

15、 either by publication of an identical text or by endorsement, at the latest by November 2006, and conflicting national standards shall be withdrawn at the latest by November 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. C

16、EN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This European Standard supersedes EN 2546:1988. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Stand

17、ard: Austria, Belgium, 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 the United Kingdom. 4 1 Scope

18、This standard specifies the characteristics of lock washers in corrosion resisting steel, with radial serrations primarily intended for flight control rods. These lock washers are intended to immobilise the rod end in relation to the rod body, whilst allowing a precise positional adjustment. 2 Norma

19、tive 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 (including any amendments) applies. EN 2516, Aerospace series Passiva

20、tion of corrosion resisting steels and decontamination of nickel base alloys. EN 2538, Aerospace series Steel FE-PM3801 (X5CrNiCu17-4) Air melted Solution treated and precipitation treated Sheet and strip a 6 mm R m 1 310 MPa. 1)EN 2540, Aerospace series Steel FE-PM3902 (X7CrNiAl17-7) Air Melted Sol

21、ution treated and precipitation hardened Sheet and strip a 6 mm 1 240 MPa R m 1 450 MPa. 1)EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. 3 Required characteristics 3.1 Dimensions Mass Configuration shall correspond with Figures 1, 2 and 3.

22、 The dimensions and masses shall conform with values quoted in Tables 1 and 2. 3.2 Surface roughness R a= 3,2 m. 3.3 Material Steel according to EN 2540 or EN 2538 (inactive for new design). 3.4 Surface treatment Passivation according to EN 2516. 1) Published as AECMA Prestandard at the date of publ

23、ication of this standard. EN 2546:20065 Dimensions in millimetres Dimensions in millimetres a N equidistant serrations b R 0,5 to 0,8 c R 0,3 to 0,5 d Identification mark aN equidistant serrations bR 0,5 to 0,8 cR 0,3 to 0,4 dIdentification mark Figure 1 Element for rod body side Code A Figure 2 Ele

24、ment for rod end side Code B Figure 3 Thickness of lock washer assembly EN 2546:20066 Table 1 Dimensions in millimetres d 1 d 2 d 3 a 1 a 2 a 3 a 4 (a 5) b 1 b 2 l 1 l 2 l 3 r 1 r 2 Diameter code 0,1 + 0,5 0 0,25 0,15 + 0,15 0,25 0,15 0,15 0,15 0,15 0,25 0,25 0 0,15 0,15 0,15 08 8,2 12,7 0,58 1,1 1,

25、8 0,5 1,3 1,3 8,4 4,0 6,8 0,70 10 10,2 1,0 8,3 12 12,2 19,0 1,6 1,2 2,0 2,0 2,0 12,06,5 10,5 14 14,2 22,0 0,80 1,4 0,6 2,9 2,9 13,0 8,8 12,5 2,4 2,00 16 16,3 25,4 1,8 0,86 1,5 1,6 2,3 0,7 3,0 3,0 14,7 10,0 14,0 2,7 1,45Table 2 a 1 + a 4Mass lock washer assembly mm g Diameter code N Number of serrati

26、ons min. max. 0,3 08 42 8721 8821 2,38 1,8 10 6,0 12 50 8742 8842 2,80 4,5 14 3,10 5,8 16 56 8920 90 3,16 9,6 4 Designation EXAMPLE Description block WASHER LOCK Identity block EN2546A08 Number of this standard Code for the lock washer (see Table 3) Diameter code (see Table 1) NOTE If necessary, the

27、 code I9005 shall be placed between the description block and the identity block. EN 2546:20067 Table 3 Lock washer Code Element, rod body side, according to Figure 1 A Element, rod end side, according to Figure 2 B Lock washer assembly C 5 Marking In addition to the manufacturers own marking, each

28、lock washer and its packaging shall be marked, using the identity block as defined in Clause 4 of this standard. The marking position and method are at the manufacturers option. The marking, when it is possible, shall be indelible and shall not impair the characteristics of the lock washer. 6 Qualif

29、ication According to EN 9133. EN 2546:2006BS EN 2546:2006 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is

30、incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards 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

31、 anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating

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33、bsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a

34、wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0

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36、02. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright reproduced, stored in a retrieval syste

37、m or transmitted in any form or by any permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the

38、prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-. permitted under the Copyright, Designs and Patents Act 1988 no extract may be Copyright subsists in all BSI publications. BSI also holds the copyright, in the means electronic, photocopying, recording or otherwise without prior written UK, of the publications of the international standardization bodies. Except as

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