EN 3475-409-2002 en Aerospace Series - Cables Electrical Aircraft Use - Test Methods - Part 409 Air-Excluded Ageing《航空航天系列 飞机用电缆 测试方法 第409部分 真空老化试验》.pdf

1、BRITISH STANDARD AEROSPACE SERIES Cables, electrical, aircraft use Test methods Part 409: Air-excluded ageing The European Standard EN 3475-409:2002 has the status of a British Standard ICs 49.060 BS EN 3475409:2002 Wk present to the responsible European committee any enquiries on the interpretation

2、, or 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 w

3、hich 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

4、 not 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 insid

5、e front cover, the EN title page, pages 2 to 4, an inside back cover 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 38377 6 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3475-409 January 2002 I

6、Cs 49.060 English version Aerospace series - Cables, electrical, aircraft use - Test methods - Part 409: Air-excluded ageing Srie arospatiale - Cbles lectriques usage aronautique - Mthodes dessai - Partie 409: Vieillissement labri de lair Luft- und Raumfahrt - Elektrische Leitungen fr Luftfahrt, Ver

7、wendung - Prfverfahren - Teil 409: Alterung in einem verschlossenen, luftdichten Raum 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

8、national standard without any alteration. Up-to-date lists and bibliographical 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

9、any other language made by translation under the responsibility of a CEN member 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, Germa

10、ny, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, 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

11、 All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3475-409:2002 E EN 3475-409:2002 (E) Foreword This document (EN 3475-409:2002) has been prepared by the European Association of Aerospace Manufacturers (AECMA). After enquiries and votes

12、 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, ei

13、ther by publication of an identical text or by endorsement, at the latest by 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 imp

14、lement this European Standard : Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 3475-409:2002 (E) 1 Scope This standard specifies a method o

15、f determining the behaviour of a finished cable after ageing in the absence of air. It shall 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 app

16、ropriate places in the text and the publications are listed hereafter. For dated references, 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 publ

17、ication referred to applies. EN 3475-100 Aerospace series - Cables, electrical, aircraft use - Test methods - Part 100: General 3 Preparation of a specimen Take a specimen of 100 mm length. 4 Apparatus A metal tube and an oven shall be required for this test. The tube shall have a useful internal le

18、ngth of 120 mm and an inside diameter of 30 mm. The ends of the tube shall be sealed (see figure 1). Screw sealing cap brass or copper tube t 120 mm 4 1 Key 1 Brazed Figure 1 3 EN 3475-409:2002 (E) 5 Method 5.1 Procedure The specimen shall be sealed in the tube which shall then be placed in the oven

19、 at the temperature and for the time specified in the product standard. At the end of this time the tube shall be removed from the oven and cooled to ambient temperature. The specimen shall then be removed from the tube and bent into a U shape with a curvature six times the specified maximum externa

20、l diameter of the cable or core. 5.2 The cable covering shall not show any sign of cracking, splitting or reversion. Req u i remen ts 4 BS EN 3475-409 12002 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body responsible for preparing British Standards. It presents the UK

21、view on standards in Europe and at the international level. It is incorporated by Royal Charter. Re vi si ons 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 impr

22、ove the quality of our products and services. We 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.

23、 Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Servic

24、es. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: orders&-. 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, u

25、nless otherwise requested. Information on standards 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

26、 products and services. Contact the Information Centre. Tel: +44 (0)20 8996 71 11. Fax: +44 (0)20 8996 7048. Email: infomi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details ofthese and other

27、benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 700 1. 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 a

28、t http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, ofthe 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 s

29、ystem or transmitted in any form or by any means - electronic, photocopying, recording or otherwise -without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, ofnecessary details such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then the prior written permission ofBSI 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: copyright&-.