EN 3745-507-2002 en Aerospace Series - Fibres and Cables Optical Aircraft Use - Test Methods - Part 507 Cut-Through《航空航天系列 航空器用光纤和光缆的试验方法 第507部分 开凿》.pdf

1、BRITISH STANDARD AEROSPACE SERIES Fibres and cables, optical, aircraft use Test methods Part 507: Cut-through The European Standard EN 3745-507:2002 has the status of a British Standard ICs 49.060 BS EN 3745-50712002 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 3745-5

2、0712002 Amd. No. National foreword 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 a

3、nd equipment, which has the responsibility to: EN 3745 -5 07:2002. 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 -

4、 - aid enquirers to understand the text; 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 or

5、ganizations represented on this subcommittee 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 “Internatio

6、nal Standards Correspondence Index”, 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 Briti

7、sh Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5, and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. OBSI

8、 25 June 2002 ISBN O 580 39900 I EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3745-507 June 2002 ICs 49.060 English version Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 507: Cut-through Srie arospatiale - Fibres et cbles optiques usage aronautique - Mthod

9、es dessais - Partie 507: Rsistance la coupure Luft- und Raumfahrt - Faseroptische Leitungen fr Luftfahrzeuge - Prfverfahren - Teil 507: Kerbfestigkeit This European Standard was approved by CEN on 1 March 2002 CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate t

10、he 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 Management Centre or to any CEN member. This European Standard exists in

11、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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of A

12、ustria, Belgium, 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 M

13、anagement Centre: 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 3745-507:2002 E EN 3745-507:2002 (E) Foreword This document (EN 3745-507:2002) has been prepared by the European Associati

14、on of Aerospace 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 Europ

15、ean Standard shall 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 nat

16、ional standards 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 Ki

17、ngdom. 2 EN 3745-507:2002 (E) 1 Scope This standard specifies a method of testing the resistance of an optical cable to the penetration of a cutting surface, for aerospace applications. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other pub

18、lications. These normative references 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 revis

19、ion. For undated references the latest 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:

20、 General 2) EN 3745-201 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 201 : Visual examination EN 3745-301 Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 301 : Attenuation 3 Preparation of specimens 3.1 If not yet at standard tes

21、t 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 Unless specified in the technical specification, the following details shall be sta

22、ted: - type and length of cable (2 f 0,05) m; - load E20N; - rate of load application F: (50 f IO) N/min; - duration of load application F: 1 min. 3.3 Temperature shall be specified in the product standard. 4 Apparatus The apparatus shall comprise: - a Light Launch System (LLS) as defined in EN 2591

23、-100; - a Light Detection System (LDS) as defined in EN 2591-100; - a needle and its support (see figures 1 and 2); - a climatic chamber; - test equipment, on which the needle support is fixed. The load shall be applied by the movable needle support leaning on a fixed plate. 1) Published as AECMA Pr

24、estandard at the date of publication of this standard 2) In preparation at the date of publication of this standard 3 EN 3745-507:2002 (E) Needle Figure 1 I Needle support 3.5 rnrn 90“ I / (#I (0.50 * 0,011 mrn t Load F Figure 2 4 EN 3745-507:2002 (E) 5 Methods 5.1 Initial measurements - Visual exam

25、ination of the jacket 5.2 Test sequence - Install the specimen on the test equipment. - Connect the specimen to LLS and LDS. - Zero the attenuation -Apply the load with the specified speed and duration. - Attenuation (EN 3745-301, method C) shall be monitored continuously during the test. 5.3 Final

26、requirements and measurements - EN 3745-201 - Evaluation of the breakage or non-breakage of the specimen 5 BS EN 3745-50712002 B SI 389 Chiswick High Road London W4 4AL BSI -British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents th

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