1、BRITISH STANDARD AEROSPACE SERIESBS EN 4057-301:2005Cable ties for harnesses Test methods Part 301: Salt mist testThe European Standard EN 4057-301:2005 has the status of a British StandardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g
2、59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 4057-301:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 April 2006 BSI 2006ISBN 0 580 48097 6National forewordThis British Standa
3、rd is the official English language version of EN 4057-301:2005. It partially supersedes BS G 246:1991. The multi-part standard BS EN 4056 and BS EN 4057, when published in their entirety, will replace BS G 246:1991.The UK participation in its preparation was entrusted by Technical Committee ACE/6,
4、Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/8, Aerospace Installations Accessories, tools and terminations, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the int
5、erpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this docume
6、nt may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Us
7、ers are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis 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 c
8、opyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsA list of organizations represented on this subcommittee can be obtained on EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4057-301November 2005ICS 49.06
9、0English VersionAerospace series - Cable ties for harnesses - Test methods -Part 301: Salt mist testSrie arospatiale - Frettes de cblage pour harnais -Mthodes dessais - Partie 301 : Brouillard salinLuft- und Raumfahrt - Befestigungsbnder frLeitungsbndel - Prfverfahren - Teil 301: SalzsprhtestThis Eu
10、ropean 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 without any alteration. Up-to-date lists and bibliographical references c
11、oncerning 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 made by translationunder the responsibility of a CEN member into its own
12、 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, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,
13、 Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation
14、 in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4057-301:2005: EEN 4057-301:20052 Contents Page 2 Normative references .4 3 Apparatus 4 4 Procedure 4 5 Requirements 4 1 Scope .4EN 4057-301:20053 Foreword This European Standard (EN 4057-301:2005) has been prepared
15、 by the European Association of Aerospace Manufacturers - Standardization (AECMA-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 A
16、ECMA, 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 May 2006, and conflicting national standards shall be withdrawn at the latest by May 2006. Attention is draw
17、n to the possibility that some of the elements 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 followin
18、g countries are bound to implement this European 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, Slovakia, Slovenia, Spain, Sweden,
19、 Switzerland and the United Kingdom. EN 4057-301:20054 1 Scope This standard specifies the procedure to determine the resistance to salt mist of cable ties with metallic lock-ing devices. It shall be used together with EN 4057-100. 2 Normative references The following referenced documents are indisp
20、ensable 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 2591-307, Aerospace series Elements of electrical and optical connection Test methods Part
21、 307: Salt mist EN 4057-100, 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 See EN 2591-307. 4 Procedure The specimens shall in principle be flat and placed in th
22、e cabinet, at an angle of (20 205 + ) vertical, with the head in the highest position. The supports shall be made of inert, non-metallic material. Without any pre-conditioning of the specimens, they shall be subjected to the salt mist test, described in EN 2591-307, for 30 h. At the end of the test,
23、 remove the specimens and dry at (24 2) C and (50 5) % humidity, for the time pe-riod as indicated in Table 1, as appropriate to the measured thickness of the strap. The specimens shall be tested according to the loop tensile test, specified in EN 4057-401. Table 1 Maximum strap thickness mm Time pe
24、riod days 1 1,17 or less 7 1,18 to 1,40 14 1,41 to 2,11 28 5 Requirements The specimen shall meet the loop tensile strength requirements, specified in the appropriate product standard. blankBS EN 4057-301:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independen
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