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、59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Fri Jul 14 07:40:22 BST 2006, Uncontrolled Copy, (c) BSIBS EN 4057-301:2005This British Standard was published under the authority of the Standards Policy and Strategy Comm
3、ittee on 28 April 2006 BSI 2006ISBN 0 580 48097 6National forewordThis British Standard 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
4、.The UK participation in its preparation was entrusted by Technical Committee ACE/6, 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;
5、 present to the responsible international/European committee any enquiries on the interpretation, 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 Standa
6、rds which implement international or European publications referred to in this document 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 p
7、ublication does not purport to include all the necessary provisions of a contract. Users 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 co
8、ver, the EN title page, pages 2 to 4, an inside back cover and a back cover.The BSI copyright 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 obtaine
9、d on Licensed Copy: Wang Bin, na, Fri Jul 14 07:40:22 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4057-301November 2005ICS 49.060English VersionAerospace series - Cable ties for harnesses - Test methods -Part 301: Salt mist testSrie arospatiale - Frettes de
10、cblage pour harnais -Mthodes dessais - Partie 301 : Brouillard salinLuft- und Raumfahrt - Befestigungsbnder frLeitungsbndel - Prfverfahren - Teil 301: SalzsprhtestThis European Standard was approved by CEN on 28 October 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations w
11、hich stipulate the conditions for giving this EuropeanStandard the status of a national standard without 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 Stan
12、dard 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 language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standar
13、ds bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE
14、 FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4057-301:2005: ELicensed Copy: Wang Bin, na,
15、Fri Jul 14 07:40:22 BST 2006, Uncontrolled Copy, (c) BSIEN 4057-301:20052 Contents Page 2 Normative references .4 3 Apparatus 4 4 Procedure 4 5 Requirements 4 1 Scope .4Licensed Copy: Wang Bin, na, Fri Jul 14 07:40:22 BST 2006, Uncontrolled Copy, (c) BSIEN 4057-301:20053 Foreword This European Stand
16、ard (EN 4057-301:2005) has been prepared 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 Offici
17、al Services of the member countries of AECMA, 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 t
18、he latest by May 2006. Attention is drawn 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
19、 standards organizations of the following 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, Port
20、ugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: Wang Bin, na, Fri Jul 14 07:40:22 BST 2006, Uncontrolled Copy, (c) BSIEN 4057-301:20054 1 Scope This standard specifies the procedure to determine the resistance to salt mist of cable ties with metallic lock-
21、ing devices. It shall be used together 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 (inc
22、luding any amendments) applies. EN 2591-307, Aerospace series Elements of electrical and optical connection Test methods Part 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
23、401: Loop tensile strength 3 Apparatus See EN 2591-307. 4 Procedure The specimens shall in principle be flat and placed in the 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
24、 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, 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 speci
25、mens shall be tested according to the loop tensile test, specified in EN 4057-401. Table 1 Maximum strap thickness mm Time period 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
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