1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 3475-707 Edition P1 May 2016 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: 49.060 Descriptors: ENGLISH VER
2、SION Aerospace series Cables, electrical, aircraft use Test methods Part 707: Stabilization of assembly Luft- und Raumfahrt Elektrische Leitungen fr Luftfahrtverwendung Prfverfahren Teil 707: Stabilitt verdrillter Leitungen Srie arospatiale Cbles lectriques usage aronautique Mthodes dessais Partie 7
3、07 : Stabilit de la torsade This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by
4、 the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and
5、 review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by g
6、iving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and
7、its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical report at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled.
8、ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without
9、prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st May 2016 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2016 ASD-STAN prEN 3475-70
10、7:2016 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Preparation of specimens and methods . 3 4 Requirements . 3 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the
11、rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 3475-707:2016 (E) 3 1 Scope This standard specifies methods for measuring the stability of twisted assembly. This characteristic is mandatory on section up to 1 mm. It shall be us
12、ed together with EN 3475-100. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced
13、 document (including any amendments) applies. EN 3475-100, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General 3 Preparation of specimens and methods Measurement shall be done on samples directly out of a reel or out of a coil with a minimum of deformation. Test specimen
14、 shall be cut with (250 10) mm length with sharp scissors to get a clean cut. Test specimens shall be evaluated at each extremity. 4 Requirements After visual examination, wires shall not splay on a length superior to half a lay of cable. wires shall not splay more than three millimetres. Key 1 Half a lay max. Figure 1
