1、BRITISH STANDARD AEROSPACE SERIES BS EN 3475-513:2005 Cables, electrical, aircraft use Test methods Part 513: Deformation resistance (Installation with plastic cable ties) The European Standard EN 3475-513:2005 has the status of a British Standard ICS 49.060 BS EN 3475-513:2005 This British Standard
2、 was published under the authority of the Standards Policy and Strategy Committee on 10 February 2006 BSI 10 February 2006 ISBN 0 580 47795 9 National foreword This British Standard is the official English language version of EN 3475-513:2005. The UK participation in its preparation was entrusted by
3、 Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/2, Aerospace Cables, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or
4、 proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement i
5、nternational 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 publication does not
6、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 pages This document comprises a front cover, an inside front cover, the EN title
7、page, pages 2 to 5 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3475513 October2005 ICS49.060 EnglishVersion Aerospaceserie
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9、hrenTeil513: Verformungsbestndigkeit ThisEuropeanStandardwasapprovedbyCENon12September2005. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferen
10、cesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecr
11、etariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sw
12、eden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2005CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3475513:2005:EEN 3475-51
13、3:2005 2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Preparation of specimens 4 4 Test method.5 5 Requirement 5 EN 3475-513:2005 3 Foreword This European Standard (EN 3475-513:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-
14、STAN). 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 shall be given the
15、status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. Attention is drawn to the possibility that some of the elements of this document may be the sub
16、ject 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 European Standard: Austria, Belgium, C
17、yprus, 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 the United Kingdom. 4 1 Scope This product standard defines a t
18、est method to evaluate the performance of a coaxial cable after the installation of plastic cable ties. It shall be used together with EN 3475-100. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition
19、 cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3475-100, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General. EN 3475-805, Aerospace series Cables, electrical, aircraft use Test methods Part 80
20、5: Characteristic impedance. EN 4056-003, Aerospace series Cable ties for harnesses Part 003: Plastic cable ties, operating temperatures 65 C to 105 C and 65 C to 150 C Product standard. 1)3 Preparation of specimens 3.1 Required parts / samples 12 plastic cable ties, type EN 4056-003 Type 1, size co
21、de S. Test is to perform on four specimens made up of two cable pieces. 3.2 Conditioning Cut eight pieces of the test cable to a length of (500 20) mm. Use three plastic cable ties per specimen to bundle two cable pieces. Place the first cable tie approximately 100 mm from the end which was connecte
22、d to the TDR (to measure the initial impedance). Place the second cable tie at a distance of (100 5) mm to the first, the third cable tie in a distance of 100 mm to the second. Use the application tool to fix all cable ties, the force which has to be applied will be defined in the product standard.
23、3.3 Initial measurement Measure the impedance of each specimen (on both pieces of cable) in accordance with EN 3475-805, method B. Plot the results. 1) Published as AECMA Prestandard at the date of publication of this standard. EN 3475-513:20055 4 Test method 4.1 Specimens shall be prepared as defin
24、ed in 3.2. 4.2 First test To be performed on two specimens. Measure the impedance of each cable again in accordance with EN 3475-805, method B. Plot the results. Compare the impedance before and after the cable ties have been applied to cable bundle. 4.3 Second test To be performed on two specimens.
25、 Store the cable bundle for eight hours in an air convection oven at a temperature of (130 5) C. Cool the cable bundle for four hours to six hours to room temperature. Measure the impedance of each cable again in accordance with EN 3475-805, method B. Plot the results. Compare the impedance before a
26、nd after the cable ties have been applied to cable bundle. 5 Requirement The impedance shall not deviate more than five per cent from the originally recorded values. EN 3475-513:2005BS EN 3475-513:2005 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent
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