1、BSI Standards PublicationBS EN 4056-004:2014Aerospace series Cable ties for harnessesPart 004: Plastic cable ties For operating temperatures 55 C to 105 C and 55 C to 150 C Product standardBS EN 4056-004:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 4056-
2、004:2014. The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optic technology.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the
3、necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 87287 7 ICS 49.060 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standar
4、d was published under the authority of the Standards Policy and Strategy Committee on 31 December 2014.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4056-004 December 2014 ICS 49.060 English Version Aerospace series - C
5、able ties for harnesses - Part 004: Plastic cable ties - For operating temperatures - 55 C to 105 C and - 55 C to 150 C - Product standard Srie arospatiale - Frettes de cblage pour harnais - Partie 004: Frettes en plastique - Tempratures dutilisation - 55 C 105 C et - 55 C 150 C - Norme de produit L
6、uft- und Raumfahrt - Befestigungsbnder fr Leitungsbndel - Teil 004: Kabelbinder aus Kunststoff - Betriebstemperatur - 55 C bis 105 C und - 55 C bis 150 C - Produktnorm This European Standard was approved by CEN on 11 October 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulat
7、ions which stipulate the 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 CEN-CENELEC Management Centre or to any CEN member.
8、 This European Standard exists in 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN
9、members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Po
10、rtugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any
11、 form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4056-004:2014 EBS EN 4056-004:2014EN 4056-004:2014 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Required characteristics .4 5 Tests and requirements 6 6 Quality assurance
12、 8 7 Designation 8 8 Marking .8 9 Packaging and storage .8 BS EN 4056-004:2014EN 4056-004:2014 (E) 3 Foreword This document (EN 4056-004:2014) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accord
13、ance 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 ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of
14、an identical text or by endorsement, at the latest by June 2015, and conflicting national standards shall be withdrawn at the latest by June 2015. 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 hel
15、d 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, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia
16、, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4056-004:2014EN 4056
17、-004:2014 (E) 4 1 Scope This European Standard defines the characteristics of cable ties with either internal or external serrations manufactured entirely from plastics material, for installation under controlled tension on aircraft cable harnesses. It shall be used together with EN 4056-001. 2 Norm
18、ative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments)
19、 applies. EN 2825, Aerospace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination of smoke density EN 2826, Aerospace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination of gas
20、components in the smoke EN 4056-001, Aerospace series Cable ties for harnesses Part 001: Technical specification EN 4056-002, Aerospace series Cable ties for harnesses Part 002: Index of products EN 4057 (all parts), Aerospace series Cable ties for harnesses Test methods MS 90387, Tool, hand, adjust
21、able for plastic and metal tie down straps 1)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 4056-001 apply. 4 Required characteristics 4.1 Dimensions See Figure 1 and Table 1. Figure 1 Cable tie 1)Published by: DoD National (US) Mil. Department of De
22、fense (http:/www.defenselink.mil/).BS EN 4056-004:2014EN 4056-004:2014 (E) 5 Table 1 Dimensions and mass Size code Recommended bundle diameter Length of tie Thickness of strap Width of strap Head dimensions Loop tensile strength Mass of 10 ties related to minimum length Length Width Height A B E F D
23、 C mm mm mm mm mm mm mm N g min. max. min. max. min. max. max. max. max. min. max. P 1,6 20 92 1,1 2,3 2,5 4,3 5,0 4,0 80 3,0 R 1,6 50 190 1,3 3,3 3,8 6,3 6,6 5,0 120 9,5 S 1,6 80 280 1,3 3,3 3,8 6,3 6,6 5,0 120 17,0 T 1,6 80 280 1,3 4,4 4,8 6,7 8,6 6,0 220 21,0 V 1,6 110 360 1,3 4,4 4,8 6,7 8,5 6,0
24、 220 24,5 X 5,0 130 456 1,9 7,4 7,8 9,4 13,5 8,3 530 86 W 5,0 230 700 1,9 7,6 8,9 9,4 13,5 8,3 400 94 4.2 Material 4.2.1 Temperature rating type The ties shall be capable of use within the following temperature ranges: Code E 55 C to 105 C Non UV resistant, Code F 55 C to 105 C UV resistant, Code G
25、55 C to 150 C Non UV resistant. 4.2.2 Flammability class Available as Class 1 and Class 2. See Table 4 for requirements. 4.2.3 Colour The colour code shall be as specified in EN 4056-002. 4.2.4 Burning behaviour Materials for cable tie shall satisfy the following requirements when tested to EN 2825
26、and EN 2826. 4.2.4.1 Smoke density The maximum specific optical smoke density (as specified in the test method) shall not exceed: Dm = 200 (flaming mode), Dm = 150 (non flaming mode). 4.2.4.2 Toxicity The average concentration in parts per million (ppm) of the following gas components shall not exce
27、ed the following limits after a test duration of 4 min. BS EN 4056-004:2014EN 4056-004:2014 (E) 6 Gas Component Limit of concentration ppm Hydrogen Fluoride HF 100 Hydrogen Chloride HCl 150 Hydrogen Cyanide HCN 150 Sulphur Dioxide SO2100 Hydrogen Sulphide H2S 100 Nitrous Gases NO/NO2100 Carbon Monox
28、ide CO 1000 4.3 U.V. resistance U.V. resistant cable ties shall meet the requirements of EN 4057-307, given in Table 3. 4.4 Variant code Table 2 Variant code Code Description A External Serrations B Internal Serrations Straps with internal serrations shall have a continuous support along both edges
29、of the strap that shall not be less than the height of the serrations. 4.5 Application tool Cable ties shall be applied using a tensioning tool as specified in MS 90387, verified in accordance with EN 4057-407 ensuring that the application force does not exceed the values shown in Table 3. Table 3 M
30、aximum recommended application force Size code N P 60 R 100 S 100 T 150 V 150 X 300 W 280 5 Tests and requirements See Table 4 and EN 4056-001. BS EN 4056-004:2014EN 4056-004:2014 (E) 7 Table 4 EN 4057- Designation of the test Requirement 201 Visual examination There shall be no sharp or abrasive ed
31、ges. 202 Examination of mass and dimensions The mass and dimensions shall be in accordance with Table 1 of this standard. 301 Salt mist test Not applicable. 302 Flammability After removal of the burner from the specimen, any flame shall extinguish within 5 s. If there are no flaming droplets (or par
32、ticles) during the test, and the flame extinguishes within 5 s, the specimen will be classified as Class 1. If there are flaming droplets (or particles) but all the flames extinguish within 5 s, the specimen will be classified as Class 2. 303 Resistance to fluids All the specimens shall meet the min
33、imum loop tensile strength as stated in Table 1 of this standard. 304 Loop tensile strength at maximum working temperature All specimens shall meet at least 60 % of the minimum loop tensile strength as stated in Table 1 of this standard. 305 Colour fastness (applicable only to coloured ties) The col
34、our fastness of the specimen shall not be less than wool standard number 6. 306 Heat ageing test The tensile strength shall not be lower than that specified in the appropriate product standard. The elongation at break of the aged, flat samples shall be not less than 75 % of the elongation at break o
35、f the unaged flat samples as defined in the product standard. 307 Resistance to ultra violet radiation All the specimens shall meet at least 95 % of requirement for Part EN 4057-401. The average elongation at break shall be not less than 60 % of that of the unexposed standard. 401 Loop tensile stren
36、gth All the specimens shall meet the minimum loop tensile strength as stated in Table 1 of this standard. 402 Life cycle After the vibration test: Minimum Temperature see material code. There shall be no damage to the cable insulation when viewed with a 10 times magnification aid. The specimens shal
37、l be examined for cracks, breaking and/or release of the locking device during removal from the vibration test harness. All specimens shall meet the minimum loop tensile strength as stated in Table 1 of this standard. 404 Low temperature installation All the specimens shall meet the minimum loop ten
38、sile strength as stated in Table 1 of this standard. 405 Compass safe distance Not applicable. 406 Locking device retention (ties containing metal locking barbs only). Not applicable. 407 Verification of application tool settings Values as per Table 3. BS EN 4056-004:2014EN 4056-004:2014 (E) 8 6 Qua
39、lity assurance Quality assurance requirements to be in accordance with EN 4056-001. 7 Designation EXAMPLE Description block CABLE TIE Identity block EN4056-004B1ROB Number of this standard Material code (see EN 4056-002) Flammability class (see EN 4056-001) Size code (see Table 1) Colour code (see E
40、N 4056-002) Variant code (see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 8 Marking See EN 4056-001. 9 Packaging and storage See EN 4056-001. This page deliberately left blankBSI is the national body responsible for preparing Briti
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