1、Fibres and cables, optical, aircraft use Test methods Part 509: Kink test The European Standard EN 3745-509:2002 has the status of a British Standard ICs 49.060 BS EN 3 745-509 12002 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 3745-50912002 Amd. No. National foreword
2、 This British Standard is the official English language version of The UKparticipation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/10, Aerospace - fibre optic systems and equipment, which has the respon
3、sibility to: EN 3745-509:2002. Date Comments This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 25 June 2002 - - aid enquirers to understand the t
4、ext; present to the responsible internationalA3uropean committee any enquiries on the interpretation, 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 subc
5、ommittee can be obtained on request to its secretary. Cros s-r e fer en ces The British Standards which 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”,
6、 or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does 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 confe
7、r immunity from legal obligations. Summary of pages This document comprises a front cover, an inside 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. OBSI 25 June 2002 I
8、SBN O 580 39899 4 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3745-509 June 2002 ICs 49.060 English version Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 509: Kink test Srie arospatiale - Fibres et cbles optiques usage aronautique - Mthodes dessais - Part
9、ie 509: Sensibilit la pliure Luft- und Raumfahrt - Laseroptische Leitungen fr Luftfahrzeuge - Prfverfahren - Teil 509: Knickfestigkeit This European Standard was approved by CEN on 1 March 2002 CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions fo
10、r 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 Management Centre or to any CEN member. This European Standard exists in three official v
11、ersions (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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium,
12、 Czech Republic, Denmark, Finland, France, Germany, 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
13、: rue de Stassart, 36 B-1050 Brussels O 2002 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3745-509:2002 E EN 3745-509:2002 (E) Foreword This document (EN 3745-509:2002) has been prepared by the European Association of Aerospace
14、Manufacturers (AECMA). After enquiries and votes 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 sha
15、ll be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2002, and conflicting national standards shall be withdrawn at the latest by December 2002. According to the CENKENELEC Internal Regulations, the national standards
16、organizations of the following countries are bound to implement 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 3745
17、-509:2002 (E) 1 Scope This standard specifies a method of testing the resistance of an optical cable to the kink test, for aerospace applications. 2 Normatives references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references
18、are cited at the appropriate 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
19、 edition of the publication referred to applies. EN 2591-100 Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General 1) EN 3745-100 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 100: General 2) 3 Preparation of specimens
20、 3.1 If not yet at standard test conditions, the specimens shall be subjected to standard test conditions and stabilized at these conditions for 24 h as defined in EN 3745-100. The specimens shall be prepared according to the product standard. 3.2 the test. A specimen length of about 10 times the mi
21、nimum bending radius of the cable shall be used for 3.3 Unless specified in the technical specification, the following details shall be stated: - loop minimum diameter value. 4 Apparatus None 1) Published as AECMA Prestandard at the date of publication of this standard 2) In preparation at the date
22、of publication of this standard 3 EN 3745-509:2002 (E) 5 Method 5.1 Test sequence The specimen shall be held in both hands. Make a loop 0 as shown in figure 1 (keep the specimen in its original plane). Reduce the loop diameter to the specified minimum value by pulling slowly on the two ends 0. The f
23、orces at the bottom of the loop shall be applied in the same plane. If kink of the cable jacket occurs during the test, note the diameter value. 5.2 Final measurements and requirements No kink a, as shown in figure 1, shall occur at a diameter 2 loop minimum diameter value. Figure 1 4 BS EN 3 745-50
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