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本文(BS EN 3368-2008 Aerospace series — nAerospace design nstandard — Holes for nlocating pins《航空航天系列 航空航天设计标准 定位销用孔》.pdf)为本站会员(twoload295)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 3368-2008 Aerospace series — nAerospace design nstandard — Holes for nlocating pins《航空航天系列 航空航天设计标准 定位销用孔》.pdf

1、BRITISH STANDARDBS EN 3368:2008Aerospace series Aerospace design standard Holes for locating pinsICS 49.030.01g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g

2、3g47g36g58BS EN 3368:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008ISBN 978 0 580 60327 3National forewordThis British Standard is the UK implementation of EN 3368:2008.The UK participation in its preparation was e

3、ntrusted to Technical Committee 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 provisions of a contract. Users are responsible for its c

4、orrect application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3368April 2008ICS 49.030.01English VersionAerospace series - Aerospace design standard - Ho

5、les forlocating pinsSrie arospatiale - Trous pour pieds de centrage - Normesde conceptionLuft- und Raumfahrt - Lcher fr Zylinderstifte -KonstruktionsnormThis European Standard was approved by CEN on 3 November 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipu

6、late the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exi

7、sts in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bod

8、ies of Austria, Belgium, Bulgaria, 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.EUROP

9、EAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3368:2008: E2 Contents Page Fore

10、word3 1 Scope 4 2 Normative references 4 3 Locating pins4 4 Hole sizes, positional tolerances and chamfer sizes.4 5 Counterbore sizes5 6 Air release holes 5 7 Hole tolerance grade designations7 8 Dimensional particulars for holes7 9 Fitting conditions in steel, nimonic, titanium and similar alloys8

11、10 Fitting conditions in light alloy materials8 Figures Figure 1 . 5 Figure 2 . 5 Figure 3 . 6 Figure 4 . 6 Tables Table 1. 4 Table 2. 7 Table 3. 7 Table 4. 8 Table 5. 8 Table 6 Counterbore sizes . 8 BS EN 3368:20083 Foreword This document (EN 3368:2008) has been prepared by the Aerospace and Defenc

12、e 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 approval of the National Associations and the Official Services of the member countries of ASD, prior to its present

13、ation 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 October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. Attention is drawn to the possibili

14、ty 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. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bo

15、und to implement this European Standard: Austria, Belgium, Bulgaria, 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,

16、Switzerland and the United Kingdom. BS EN 3368:20084 1 Scope This standard provides particulars of hole sizes and associated fitting conditions to suit locating pins EN 3150 and EN 3151 series. 2 Normative references The following referenced documents are indispensable for the application of this do

17、cument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3150, Aerospace series Pins, shoulder, headless, in heat resisting nickel base alloy NI-P100HT (Inconel 718) EN 3151, Aerospace s

18、eries Dowels, plain, in heat resisting nickel base alloy NI-P100HT (Inconel 718) 3 Locating pins Table 1 gives the nominal locating pin diameters, their tolerance grade and tolerance sizes. Table 1 Dimensions in millimetres Tolerance Nominal pin diameter Tolerance grade + max. + min. 3 r6 + 0,016 +

19、0,010 4 5 6 + 0,020 + 0,012 7 8 10 p6 + 0,024 + 0,015 4 Hole sizes, positional tolerances and chamfer sizes 4.1 Refer to Figure 1 for typical callout. 4.2 Hole sizes shall be in accordance with Clause 7, Table 2 and Clause 8, Table 3. 4.3 Positional tolerances for holes shall be in accordance with C

20、lause 7, Table 2, Clause 9, Table 4 and Clause 10, Table 5. 4.4 Chamfers shall be in accordance with Figure 3. BS EN 3368:20085 5 Counterbore sizes Counterbores shall be in accordance with Table 6 and Figure 4. Counterbores are only applicable when using locating pins EN 3150 series. Dimensions in m

21、illimetres Break sharp edges 0,30 mm 0,20 mm Key 1 Chamfers aSee Table 2 bN. holes to Table 3 (clearance) cN. holes to Table 3 (interference) Figure 1 6 Air release holes An air release hole shall be provided in the end of blind holes Figure 2. For pin sizes 3 mm to 4 mm inclusive the air release ho

22、le shall be 1,5 mm in diameter. For pin sizes 5 mm or greater the air release hole shall be 2,0 mm in diameter. Dimensions in millimetres Break sharp edges 0,30 mm 0,20 mm aor bFigure 2 BS EN 3368:20086 Dimensions in millimetres Break sharp edges 0,30 mm 0,20 mm Figure 3 Dimensions in millimetres Br

23、eak sharp edges 0,30 mm 0,20 mm Figure 4 BS EN 3368:20087 7 Hole tolerance grade designations Table 2 Dimensions in millimetres Hole pitch circle diameter or max centre distance Flange material over to Hole positional tolerance Interference hole Clearance hole 75 0,04 75 250 0,05 250 500 0,08 D9 500

24、 1 600 0,10 Steel heat resisting alloys and titanium 1 600 0,14 H7 C9 75 0,04 75 250 0,05 250 500 0,08 D9 500 1 600 0,10 Light alloys 1 600 0,14 K7 C9 8 Dimensional particulars for holes Table 3 Interference hole Clearance hole H7 K7 C9 D9 Nominal pin diameter mm mm mm mm 3 3,010 3,000 3,000 2,990 3

25、,085 3,060 3,045 3,020 4 4,012 4,000 4,003 3,991 4,100 4,070 4,060 4,030 5 5,012 5,000 5,003 4,991 5,100 5,070 5,060 5,030 6 6,012 6,000 6,003 5,991 6,100 6,070 6,060 6,030 7 7,015 7,000 7,005 6,990 7,116 7,080 7,076 7,040 8 8,015 8,000 8,005 7,990 8,116 8,080 8,076 8,040 10 10,015 10,000 10,005 9,9

26、00 10,116 10,080 10,076 10,040 BS EN 3368:20088 9 Fitting conditions in steel, nimonic, titanium and similar alloys Table 4 Dimensions in millimetres Fit at interference Fit at clearance end Nominal pin diameter Nominal pin diameter Pitch circle diameter or maximum centre distance 3 3 6 6 10 3 3 6 6

27、 10 over to 500 0,004 to 0,035 0,010 to 0,048 0,016 to 0,061 500 1 600 0 to 0,016 0,044 to 0,075 1 600 0 to 0,020 0 to 0,024 0,050 to 0,088 0,056 to 0,101 10 Fitting conditions in light alloy materials Table 5 Dimensions in millimetres Fit at interference Fit at clearance end Nominal pin diameter No

28、minal pin diameter Pitch circle diameter or maximum centre distance 3 3 6 6 10 3 3 6 6 10 over to 500 0,004 to 0,035 0,010 to 0,048 0,016 to 0,061 500 1 600 0,010 to 0,026 0,044 to 0,075 1 600 0,009 to 0,029 0,010 to 0,034 0,050 to 0,088 0,056 to 0,101 Table 6 Counterbore sizes A nom. tol. Nominal p

29、in diametermm mm 3 5 4 6 5 7 6 8 7 9 8 10 10 12 H14 BS EN 3368:2008blankBS EN 3368:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the int

30、ernational level. It is incorporated by Royal Charter.RevisionsBritish 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

31、 would be grateful if 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

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33、001. Email: ordersbsi-. 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

34、BSI provides a 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 Cent

35、re. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-.Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44

36、 (0)20 8996 7002. 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- information about BSI is available on the BSI website at http:/www.bsi-.CopyrightCopyright subsists in all BSI public

37、ations. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, ph

38、otocopying, recording or otherwise without prior written 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 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-.

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