1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4056-004 Edition P 1 March 2013 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: Descriptors: ENGLISH VERSION
2、 Aerospace series Cable 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 Luf
3、t- und Raumfahrt Befestigungsbnder fr Leitungsbndel Teil 004: Kabelbinder aus Kunststoff Betriebstemperatur 55 C bis 105 C und 55 C bis 150 C Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Eu
4、rope - 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 of this Prestandard, the technical content shall not be changed to an extent tha
5、t interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote an
6、d 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 standards conflicting with the EN. Edition approved for publication 31 March 2013 Comments shou
7、ld be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2013 by ASD-STAN prEN 4056-004:2012 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms and definitions .3 4 Required characteristics .3 5 Tests and requirements 6 6 Quality assur
8、ance 7 7 Designation 7 8 Marking .8 9 Packaging and storage .8 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this stan
9、dard has received approval for Publication. prEN 4056-004:2012 (E) 3 1 Scope This 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 sha
10、ll be used together with EN 4056-001. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment
11、s) 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 ga
12、s 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, adju
13、stable 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) Published by: DoD National (US) Mil. Department of Defense. http:/www
14、.defenselink.mil/ prEN 4056-004:2012 (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 related to minimum length Length Width Height A B E F D C mm mm mm mm
15、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 6,0 220 24,5 X 5,0
16、 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 55 C to 150 C N
17、on UV resistant. prEN 4056-004:2012 (E) 5 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 t
18、o EN 2825 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 no
19、t 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 SO2100Hydrogen Sulphide H2S 100 Nitrous Gases NO/NO2100Carbon Monoxide CO 1 000 4.3 U.V. resistance U.V.
20、resistant cable ties shall meet the requirements of EN 4057-307, given in Table 3. 4.4 Variant code Table 2 Variant code Code DescriptionA External Serrations B Internal Serrations Straps with internal serrations shall have a continuous support along both edges of the strap that shall not be less th
21、an the height of the serrations. prEN 4056-004:2012 (E) 6 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 Maximum recomm
22、ended application force Size code N P 60 R 100 S 100T 150 V 150X 300 W 2805 Tests and requirements See Table 4 and EN 4056-001. Table 4 (1 of 2) EN 4057- Designation of the test Requirement 201 Visual examination There shall be no sharp or abrasive edges. 202 Examination of mass and dimensions The m
23、ass 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 particles) during the test, and the flame extinguish
24、es 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 minimum loop tensile strength as stated in Table 1 o
25、f 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 colour fastness of the specimen shall not be less th
26、an 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 of the unaged flat samples as defined in the produ
27、ct standard. prEN 4056-004:2012 (E) 7 Table 4 (2 of 2) EN 4057- Designation of the test Requirement 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 unex
28、posed standard. 401 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: Minimum Temperature see material code. There shall be no damage to the cable insulation when viewed with a 10 times
29、 magnification aid. The specimens shall 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 spe
30、cimens shall meet the minimum loop tensile strength as stated in Table 1 of this standard. 405 Compass safe distance Not applicable. 406 Locking device retention (ties containing metal lockingbarbs only). Not applicable. 407 Verification of application tool settings Values as per Table 3. 6 Quality
31、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 EN 4056-002) Variant code (see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. prEN 4056-004:2012 (E) 8 8 Marking See EN 4056-001. 9 Packaging and storage See EN 4056-001.
