EN 3475-701-2017 en Aerospace series - Cables electrical aircraft use - Test methods - Part 701 Strippability and adherence of insulation to the conductor.pdf

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1、Aerospace series - Cables, electrical, aircraft use - Test methodsPart 701: Strippability and adherence of insulation to the conductorBS EN 3475701:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3475-701 Octob

2、er 2017 ICS 49.060 Supersedes EN 3475-701:2002English Version Aerospace series - Cables, electrical, aircraft use - Test methods - Part 701: Strippability and adherence of insulation to the conductor Srie arospatiale - Cbles lectriques usage aronautique - Mthodes dessais - Partie 701 : Dnudabilit et

3、 adhrence de lisolation sur le conducteur Luft- und Raumfahrt - Elektrische Leitungen fr Luftfahrtverwendung - Prfverfahren - Teil 701: Abisolierbarkeit und Haftfestigkeit der Isolierung auf dem Leiter This European Standard was approved by CEN on 23 July 2017. CEN members are bound to comply with t

4、he CEN/CENELEC 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 bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Manageme

5、nt 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 member into its own language and notified to the CEN-CENELEC Management Centre has the same status

6、 as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

7、Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 201

8、7 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3475-701:2017 ENational forewordThis British Standard is the UK implementation of EN 3475701:2017. It supersedes BS EN 3475701:2002, which is withdrawn.The UK participation in its p

9、reparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology.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. Us

10、ers are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 98308 5ICS 49.060Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of t

11、he Standards Policy and Strategy Committee on 30 November 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 3475701:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3475-701 October 2017 ICS 49.060 Supersedes EN 3475-701:2002English Version Aerospace

12、series - Cables, electrical, aircraft use - Test methods - Part 701: Strippability and adherence of insulation to the conductor Srie arospatiale - Cbles lectriques usage aronautique - Mthodes dessais - Partie 701 : Dnudabilit et adhrence de lisolation sur le conducteur Luft- und Raumfahrt - Elektris

13、che Leitungen fr Luftfahrtverwendung - Prfverfahren - Teil 701: Abisolierbarkeit und Haftfestigkeit der Isolierung auf dem Leiter This European Standard was approved by CEN on 23 July 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for g

14、iving this 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-CENELEC Management Centre or to any CEN member. This European Standard exists in three o

15、fficial versions (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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies

16、 of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Sloven

17、ia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved w

18、orldwide for CEN national Members. Ref. No. EN 3475-701:2017 EBS EN 3475701:2017EN 3475-701:2017 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normative references 4 3 Preparation of specimens 4 4 Methods 5 5 Requirements . 5 BS EN 3475701:2017EN 3475-701:2017 (E) 3 European foreword This do

19、cument (EN 3475-701:2017) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this European Standard has received the approval of the National Association

20、s 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 an identical text or by endorsement, at the latest by April 2018, and conflicting national standards shall b

21、e withdrawn at the latest by April 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 3745-701:2002. According to the

22、CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hun

23、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3475701:2017EN 3475-701:2017 (E) 4 1 Scope This European Standard specifies methods of mea

24、suring the strippability and adherence of the insulation to a conductor of a finished cable. When a particular method is not specified in the detail product specification, method A shall be used. Method B is recommended for wires insulated with materials showing a Low adhesion to the conductor due t

25、o the poor repeatability of the test Method A with this type of wires. It shall be used 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 th

26、e edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2812, Aerospace series Stripping of electric cables EN 3475-100, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General 3 Preparation of spe

27、cimens 3.1 General Measurement shall be done on samples directly out of a reel or out of a coil with a minimum of deformation. 3.2 Insulation stripping properties Stripping shall be carried out without difficulty over 5 mm for cables with sections up to 5 mm2and over 8 mm for cables with a section g

28、reater than 5 mm2at the two ends of each specimen using the stripping tools in accordance with EN 2812. The manufacturer shall state in the test report which tools have been used. 3.3 Adherence of insulation to the conductor 3.3.1 Method A The adherence of the insulation shall be adequate when tests

29、 are carried out on the specimens prepared according to Figure 1. The insulation shall be cut around the whole periphery of each specimen 5 mm and 30 mm from one end (for sizes up to 5 mm2). The insulation shall then be stripped from both ends to leave a length of insulation on the conductor. Figure

30、 1 BS EN 3475701:2017EN 3475-701:2017 (E) 5 3.3.2 Method B The adherence of the insulation shall be adequate when tests are carried out on the specimens prepared according to Figure 2. The insulation shall be cut around the whole periphery of each specimen 5 mm and 55 mm from one end. The insulation

31、 shall then be stripped from both ends to leave a length of insulation on the conductor. Figure 2 4 Methods 4.1 Method for stripping capability of the jacket (screened cables) The stripping capability is characterized by the time required to strip a 80 mm length of the jacket. A suitable tool shall

32、be used. 4.2 Methods for adherence of the insulation 4.2.1 Method A Pass the conductor through a calibrated hole (conductor diameter + 0,05 mm) and subject it to an increasing tensile force F until it slides inside the insulating cover. The tensile speed shall be (100 10) mm/min. 4.2.2 Method B Thre

33、e (3) measurements per sample are required. Pass the conductor through a calibrated hole (conductor diameter + 0,05 mm) and subject it to an increasing tensile force F until it slides inside the insulating cover. The tensile speed shall be (100 10) mm/min. 5 Requirements 5.1 Requirements for strippi

34、ng capability of the jacket (screened cables) The stripping operation shall not exceed 40 s for a suitably skilled operator. BS EN 3475701:2017EN 3475-701:2017 (E) 6 5.2 Requirement for adherence of the insulation 5.2.1 Method A The minimum values of the forces of adherence shall be at least equal t

35、o the values specified in the technical specification. 5.2.2 Method B The minimum value of each measurement of the force of adherence shall be at least equal to the value specified in the product standard. If one measurement is less than the value specified in the product standard, two (2) other mea

36、surements are done. The median value of the five (5) measurements shall be at least equal to the value specified in the product standard. BS EN 3475701:2017This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications,

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