1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM ASD-STAN prEN 4056-003 Edition P 2 February 2018 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Supersedes editi
2、on P 1 of June 2002 and will supersede EN 4056-003:2016 Descriptors: ENGLISH VERSION 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 Luft- und Raumfahrt Befestigungsbnder fr Leitungsbndel Teil 003: Kabelbi
3、nder aus Kunststoff Betriebstemperatur 65 C bis 105 C und 65 C bis 150 C Produktnorm Srie arospatiale Frettes de cblage pour harnais Partie 003 : Frettes en plastique Tempratures dutilisation 65 C 105 C et 65 C 150 C Norme de produit This “Aerospace Series“ Prestandard has been drawn up under the re
4、sponsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication
5、of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, the ASD-STAN prEN will be submitted as a dr
6、aft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national
7、standards conflicting with the EN. ASD-STAN Technical Committee approves that: “This document is published by ASD-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent
8、infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and technical report at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may
9、arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org
10、Web address: http:/www.asd-stan.org/ Edition approved for publication 1st February 2018 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2018 ASD-STAN prEN 4056-003:2018 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3
11、 Terms and definitions . 3 4 Required characteristics 3 5 Tests and requirements 6 6 Quality assurance 7 7 Designation . 7 8 Marking . 7 9 Packaging and storage 7 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried
12、 out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4056-003:2018 (E) 3 1 Scope This standard defines the required characteristics of cable ties with either internal or external serrations manufactured e
13、ntirely from plastics material, for installation under controlled tension on aircraft cable harnesses. It shall be used together with EN 4056-001. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applicatio
14、n. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2825, Aerospace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination of s
15、moke density EN 2826, Aerospace series Burning behaviour of non metallic materials under the influence of radiating heat and flames Determination of gas components in the smoke EN 4056-001, Aerospace series Cable ties for harnesses Part 001: Technical specification EN 4057 (all parts), Aerospace ser
16、ies Cable ties for harnesses Test methods MS 90387, Tool, hand, adjustable 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. 1)
17、Published by: DoD National (US) Mil. Department of Defense. http:/www.defenselink.mil/ prEN 4056-003:2018 (E) 4 Figure 1 Cable tie 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 r
18、elated to minimum length Length Width Height A B E F D 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
19、8,6 6,0 220 21,0 U 5,0 100 335 1,9 6,6 7,1 9,4 13,5 8,3 530 65,0 V 1,6 110 360 1,3 4,4 4,8 6,7 8,5 6,0 220 24,5 W 5,0 230 700 1,9 7,6 8,9 9,4 13,5 8,3 400 94 X 5,0 130 456 1,9 7,4 7,8 9,4 13,5 8,3 530 86 4.2 Material 4.2.1 Temperature rating (type) The ties shall be capable of use within the followi
20、ng temperature ranges: Type 1: 65 C to 105 C, 135 C; Type 2: 65 C to 150 C. 4.2.2 Flammability class Available as class 1 and class 2. See Table 3 for requirements. prEN 4056-003:2018 (E) 5 4.2.3 Colour See Table 2 of EN 4056-001. 4.2.4 Burning behaviour Materials for cable tie shall satisfy the fol
21、lowing requirements when tested to EN 2825 and EN 2826. 4.2.4.1 Smoke density The maximum specific optical smoke density (average) 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
22、 shall not exceed the following limits after a test duration of 4 min. Gas component Limit of concentration ppm Hydrogen Fluoride HF 100 Hydrogen Chloride HCl 150 Hydrogen Cyanide HCN 150 Sulphur Dioxide SO2 100 Hydrogen Sulphide H2S 100 Nitrous Gases NO/NO2 100 Carbon Monoxide CO 1 000 4.3 U.V. res
23、istance U.V. resistant cable ties shall meet the requirements of EN 4057-307, given in Table 3. 4.4 Application tool Cable ties shall be applied using a tensioning tool as specified in MS 90387, verificated in accordance with EN 4057-407 ensuring that the application force does not exceed the values
24、 shown in Table 2. Table 2 Maximum recommended application force Size code N P 60 R 100 S 100 T 150 U 150 V 150 W 280 X 300 prEN 4056-003:2018 (E) 6 5 Tests and requirements See Table 3 and EN 4056-001. Table 3 Tests EN 4057- Designation of the test Requirements 201 Visual examination There shall be
25、 no sharp or abrasive edges. 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 f
26、laming droplets (or particles) 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 speci
27、mens shall meet the minimum 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
28、 coloured ties) The colour 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 th
29、e elongation at break of 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 EN 4057-401. The average elongation at break shall be not less than 60 % of that of the unexposed standard. 401
30、Loop tensile strength 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: There shall be no damage to the cable insulation when viewed with a 10 times magnification aid. The specimens shall be examined for cra
31、cks, 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 tensile strength as stat
32、ed 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 See Table 2 ( 5 %). prEN 4056-003:2018 (E) 7 6 Quality assurance Quality assurance requiremen
33、ts to be in accordance with EN 4056-001. 7 Designation EXAMPLE Description block CABLE TIE Identity block EN4056-003B1ROB Number of this standard Material code (see EN 4056-001, Table 1) Flammability class (see EN 4056-001, 4.2) Size code (see EN 4056-001, Table 6) Colour code (see EN 4056-001, Table 2) Variant code (see EN 4056-001, Table 7) NOTE If necessary, the code I9005 may be placed between the description block and the identity block. 8 Marking See EN 4056-001. 9 Packaging and storage See EN 4056-001.
