1、BRITISH STANDARD AEROSPACE SERIES Cables, electrical, aircraft use Test methods Part 406: Cold bend test The European Standard EN 3475-406:2002 has the status of a British Standard ICs 49.060 BS EN 3475406:2002 Wk present to the responsible European committee any enquiries on the interpretation, or
2、proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cr oss-r e fer enc e s The British Standards which
3、implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not
4、purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their 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 fro
5、nt cover, the EN title page, pages 2 and 3 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. O BSI 05 February 2002 ISBN O 580 38363 6 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3475-406 January 2002 ICs 49.060 English version
6、Aerospace series - Cables, electrical, aircraft use - Test methods - Part 406: Cold bend test Srie arospatiale - Cbles lectriques usage aronautique - Mthodes dessai - Partie 406: Enroulement froid Luft- und Raumfahrt - Elektrische Leitungen fr Luftfahrt, Verwendung - Prfverfahren -Teil 406: Wickeln
7、bei Klte This European Standard was approved by CEN on 6 August 2001 CEN members are bound to comply with the CENKENELEC 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 bibliographica
8、l references concerning such national standards may be obtained on application to the 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 memb
9、er into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway,
10、Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN DE NORMALISATION Management Centre: rue de Stassart, 36 B-1050 Brussels O 2002 CEN All rights of exploitation in any form and by any means reserved worldwide f
11、or CEN national Members. Ref. No. EN 3475-406:2002 E EN 3475-406:2002 (E) Foreword This document (EN 3475-406:2002) has been prepared by the European Association of Aerospace Manufacturers (AECMA). After enquiries and votes carried out in accordance with the rules of this Association, this Standard
12、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, either by publication of an identical text or by endorsement, at the latest by
13、July 2002, and conflicting national standards shall be withdrawn at the latest by July 2002. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard : Austria, Belgium, Czech Republic, Denmark, Fi
14、nland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 3475-406:2002 (E) 1 Scope This standard specifies a method of determining the behaviour of a finished cable after a cold bend test. It sh
15、all be used together with EN 3475-100. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated referenc
16、es, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 3475-100 Aerospace series - Cables, electrical, aircraft
17、use - Test methods - Part 100: General EN 3475-302 Aerospace series - Cables, electrical, aircraft use - Test methods - Part 302: Voltage proof test 3 Preparation of a specimen Take a length of at least 750 mm from a finished cable. 4 Apparatus The test shall require a cold chamber and a supported h
18、orizontal mandrel. The mandrel diameter and mass shall be given in the technical specification. 5 Method 5.1 Procedure Unless otherwise indicated in the product standard, attach one of the ends of the specimen of at least 750 mm length to a horizontal mandrel and load the other end. Place the unit i
19、n a chamber at a temperature of (- 55 f 2) “C for 1 h. Turn the mandrel at the rate of 2 rpm to 3 rpm until the total length of the specimen is wound around the mandrel. Turn the mandrel in the opposite direction until the total length of the specimen is wound, the compressed part in the first opera
20、tion becoming the stretched part in the second. The cycle shall be performed twice. 5.2 After being returned to ambient temperature the cable insulation shall show no cracking or crazing. After completion of this test the specimen shall pass the voltage test defined in EN 3575-302. Req u i remen ts
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