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1、BRITISH STANDARD BS EN 4302:2008 Aerospace series Open ring insert tool, square drive ICS 49.030.99 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking
2、permitted without license from IHS -,-,- BS EN 4302:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2008 BSI 2008 ISBN 978 0 580 57073 5 National foreword This British Standard is the UK implementation of EN 4302:2008. The UK pa
3、rticipation in its preparation was entrusted 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 con
4、tract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy L
5、icensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4302 March 2008 ICS 49.030.99 English Version Aerospace series - Open ring insert tool, square drive Srie ar
6、ospatiale - Embouts cannels, tuyauter, carr conducteur axial Luft- und Raumfahrt - Ringeinsteckwerkzeug, offen, verzahnt This European Standard was approved by CEN on 26 August 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving t
7、his 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 Standard exists in three official version
8、s (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 standards bodies of Austria, Belgium, B
9、ulgaria, 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. EUROPEAN COMMITTEE FOR STAND
10、ARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4302:2008: E Copyright British Standards Institutio
11、n Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 Contents Page Foreword3 1 Scope 4 2 Normative references4 3 Required characteristics.4 3.1 Config
12、uration - Dimensions - Tolerances .4 3.2 Material .4 3.3 Hardness.4 3.4 Surface treatment 4 4 Designation 7 5 Marking.7 6 Technical specification .7 BS EN 4302:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not fo
13、r Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 Foreword This document (EN 4302:2008) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accor
14、dance 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 publication of
15、 an identical text or by endorsement, at the latest by September 2008, and conflicting national standards shall be withdrawn at the latest by September 2008. 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
16、 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, Cyprus, Czech Republic, Denmark, Eston
17、ia, 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. BS EN 4302:2008 Copyright British Standards Institution Provided by IHS
18、 under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 1 Scope This standard specifies the characteristics of open ring insert tools for splined nuts, metric for aerospa
19、ce applications. 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 (including any amendments) applies. ISO 4156
20、(all parts), Straigth cylindrical involute splines Metric module, side fit. EN 2424, Aerospace series Marking of aerospace products. EN 4111, Aerospace series Wrenches, splined, sockets for pipe fittings Technical specification. 3 Required characteristics 3.1 Configuration - Dimensions - Tolerances
21、See Figures 1 and 2 and Tables 1 and 2. Dimensions and tolerances are in millimetres. 3.2 Material Material shall be corrosion resistant. The actual material specification shall be the choice of the manufacturer, provided that the spanner meets the requirements of the technical specification, EN 411
22、1. 3.3 Hardness 42 HRC 54 3.4 Surface treatment Nickel-chromium coating Nickel thickness: 5 m Chromium thickness: 0,25 m BS EN 4302:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:5
23、8 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 Section AB Key 1 Rad. (2 positions) 2 Centre of origin of spline drive. For spline dimensions, see Table 2. 3 Marking 4 Retaining method at manufacturers option Drawing not to scale Dimensions not quoted are at manufacture
24、rs discretion. Dimension “A“ to be equidistant about slot centre line. Surface texture to be unless otherwise specified. Figure 1 Ra 3,2 BS EN 4302:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08
25、/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IHS -,-,- 6 Table 1 DN a A B C D E F G H1 H2 J K L min. max. 0,3 max. 0,01 0,2 0,01 0,2 max.max.max.max. min. h13 04 6,5 22 06 8,5 27 2 08 10,5 31 10 13 33 17,5 12 15 35 19 13 16 36 8 14 17,5 37 20 16 19,5 39 22 9 18 2
26、1,5 44 3 25 20 23,5 50 5 30 22 25,5 55,5 6 33 9 12 16 14 22 11,5 4 25 28,5 63 8 35 40 32 35,5 70 9 38 14 18 25 18 10 45 15 5 a DN: Diameter Nominal (outside diameter of the corresponding pipe). Key 1 Circular space width EV E Figure 2 BS EN 4302:2008 Copyright British Standards Institution Provided
27、by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IHS -,-,- 7 Table 2 Splines - 45 pressure angle - side fit - fillet root - 6H tolerance to ISO 4156 Circular space width
28、 m Db D Dei DFI Dii Dii Pb E EV radius DN a Z No. teeth H10 H11 max. min. max. min. min. 04 18 9,5459 13,500 14,5214,2512,92 1,253 1,206 1,225 06 24 12,7279 18,000 19,0218,7517,42 1,256 1,208 08 27 14,3189 20,250 21,2821,0019,66 1,257 10 30 15,9099 22,500 23,5323,2521,91 1,258 1,209 1,226 12 32 16,9
29、706 24,000 25,0324,7523,41 1,210 13 34 18,0312 25,500 26,5326,2524,91 1,259 14 35 18,5616 26,250 27,2827,0025,66 1,260 1,227 16 38 0,75 20,1525 28,500 29,5329,2527,91 1,6661 1,261 1,211 1,228 1,1780,19 18 32 22,6274 32,000 33,3433,00 31,221,660 1,606 20 35 24,7487 35,000 36,3436,00 34,211,661 22 38
30、26,8701 38,000 39,3539,00 37,211,662 1,607 1,625 25 41 1 28,9914 41,000 42,3542,00 40,21 2,2214 1,663 1,608 1,626 1,5710,25 32 37 1,25 45 32,7037 46,2500 47,9147,50 45,272,77682,062 2,003 2,0231,9630,31 a DN: Diameter Nominal (outside diameter of the corresponding pipe). Note Missing dimensions in F
31、igure 2, see ISO 4156. 4 Designation EXAMPLE Description block WRENCH Identity block EN430210 Number of this standard DN (tube diameter code, see Tables 1 and 2) NOTE If necessary the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, style C, as indi
32、cated on Figure 1. 6 Technical specification EN 4111 BS EN 4302:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:32:58 MDTNo reproduction or networking permitted without license from IH
33、S -,-,- BS EN 4302:2008 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 incorporated by Royal Charter. Rev
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