1、BRITISH STANDARDBS EN 4057-306:2006Aerospace series Cable ties for harnesses Test methods Part 306: Heat ageing testThe European Standard EN 4057-306:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g4
2、0g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 4057-306:2006This British Standard was published under the authority of the Standards Policy and Strat
3、egy Committee on 30 April 2007 BSI 2007ISBN 978 0 580 50547 8National forewordThis British Standard was published by BSI. It is the UK implementation of EN 4057-306:2006. This standard, together with BS EN 4057-100:2006, BS EN 4057-201:2005, BS EN 4057-202:2005, BS EN 4057-301:2005, BS EN 4057-302:2
4、006, BS EN 4057-303:2005, BS EN 4057-304:2006, BS EN 4057-305:2005, BS EN 4057-307:2006, BS EN 4057-401:2006, BS EN 4057-402:2006, BS EN 4057-403 (to be published), BS EN 4057-404:2006, BS EN 4057-405:2005, BS EN 4057-406:2006, BS EN 4057-407:2005 and BS EN 4056-001:2006, BS EN 4056-002 (to be publi
5、shed), BS EN 4056-003 (to be published), BS EN 4056-004 (to be published) and BS EN 4056-005 (to be published) supersedes BS G 246:1991 which will be withdrawn upon publication of these standards.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic el
6、ectrical and fibre optic technology, to Panel ACE/6/-/8, Aerospace Installations Accessories, tools and terminations.A list of organizations represented on ACE/6/-/8 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. U
7、sers are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME
8、 EUROPENNEEUROPISCHE NORMEN 4057-306December 2006ICS 49.060English VersionAerospace series - Cable ties for harnesses - Test methods -Part 306: Heat ageing testSrie arospatiale - Frettes de cblage pour harnais -Mthodes dessais - Partie 306 : Vieillissement entempratureLuft- und Raumfahrt - Befestigu
9、ngsbnder frLeitungsbndel - Prfverfahren - Teil 306: AlterungstestThis European Standard was approved by CEN on 28 October 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard w
10、ithout any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language
11、made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany,
12、Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagemen
13、t Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4057-306:2006: ELicensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1
14、 Scope 4 2 Normative references 4 3 Apparatus .4 4 Procedure .4 5 Requirements.4 EN 4057-306:2006Licensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 4057-306:2006) has been prepared by the Aerospace and Defence Industries Associatio
15、n of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has re-ceived the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This Eur
16、opean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. Attention is drawn to the possibility that some of the elements
17、 of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europe
18、an Standard: Austria, Belgium, Cyprus, Czech Republic, Den-mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem-bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzer-land and the United Kingdom.
19、 EN 4057-306:2006Licensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies the procedure to determine the force to failure of cable ties for harnesses for aero-space applications after a heat ageing exposure. It shall be used togethe
20、r with EN 4057-100. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer-ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 40
21、57-100, Aerospace series Cable ties for harnesses Test methods Part 100: General EN 4057-401, Aerospace series Cable ties for harnesses Test methods Part 401: Loop tensile strength 3 Apparatus A tensile tester as required in EN 4057-401 and additional equipment for measuring elongation. A laboratory
22、 oven capable of reaching a temperature corresponding to the maximum rated temperature of the cable ties as specified in the appropriate product Standard. 4 Procedure A total number of nine specimens are required per material code and cross section. Mount three of the specimens on split mandrels as
23、described in EN 4057-401. Place the three specimens mounted on the split mandrels, and further three specimens flat in the oven at the maximum rated temperature as specified in the product standard increased by (30 50+) C for 500 h with a tolerance of 240+h. Remove the specimens from the oven and su
24、bmit to conditioning as specified EN 4057-100 Clause 4.1. Within 30 min after finishing the conditioning, submit the three specimens still mounted on the original mandrel to the loop tensile strength test specified in EN 4057-100. From the strap of the other three aged and three not aged samples pre
25、pare specimen that allow 25 mm of free length between the grips of a tensile tester. Tensile test the samples at the speed of (25 2,5) mm per min, and measure the elongation percentage, over the gauge/test specimen length. The test is deemed complete when the sample breaks. The value of the results
26、shall be recorded. 5 Requirements The tensile strength shall not be lower than that specified in the appropriate product standard. The elongation at break of the three aged, flat samples shall not be less than the percentage of the elongation at break of the unaged, flat samples, as defined in the p
27、roduct standard. EN 4057-306:2006Licensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Mon Aug 20 02:03:20 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 4057-306:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards In
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