ASD-STAN PREN 4056-006-2012 Aerospace series Cable ties for harnesses Part 006 Peek cable ties For operating temperatures - 55 to 240 Product standard (Edition P 1).pdf

1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4056-006 Edition P 1 October 2012 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.orgICS: Descriptors: ENGLI

2、SH VERSION Aerospace series Cable ties for harnesses Part 006: Peek cable ties For operating temperatures 55 C to 240 C Product standard Srie arospatiale Frettes de cblage pour harnais Partie 006 : Frettes en peek Tempratures dutilisation 55C 240 C Norme de produit Luft- und Raumfahrt Befestigungsbn

3、der fr Leitungsbndel Teil 006: Kabelbinder aus Peek Betriebstemperatur 55 C bis 240 C Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs o

4、f 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 that interchangeability is affected, physically or function

5、ally, 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 and transformation to full European Standard (EN). The CEN

6、 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 1 October 2012 Comments should be sent within six months after the date of publicat

7、ion to ASD-STAN Electrical Domain Copyright 2012 by ASD-STAN prEN 4056-006:2012 (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 5 6 Quality assurance 7 7 Designation 7 8 Marking .7 9 Packaging and sto

8、rage .7 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 standard has received approval for Publication. prEN 4056-0

9、06:2012 (E) 3 1 Scope This standard defines the characteristics of cable ties with either internal or external serrations manufactured entirely from PEEK material, for installation under controlled tension on aircraft cable harnesses. It shall be used together with EN 4056-001. 2 Normative reference

10、s 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 amendments) applies. EN 2825, Aerospace series Burning behaviour of

11、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 components in the smoke EN 4056-001, Aerospace series Cab

12、le ties for harnesses Part 001: Technical specification EN 4057 (all parts), Aerospace series 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 E

13、N 4056-001 apply. 4 Required characteristics 4.1 Dimensions See Figure 1 and Table 1. 1) Published by: Department of Defense (DoD), the Pentagon, Washington, DC 20301, USA. prEN 4056-006:2012 (E) 4 Figure 1 Cable tie Table 1 Dimensions and mass Size code Recommended bundle diameter Length of tie Thi

14、ckness 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 mm mm mm N g min. max. min. max. min. max. max. max. max. min. max. A 4 35 140 1,4 3,2 3,6 5,9 6,3 4,7 230 8 B 8 56 215 1,5 4,5 4,9 7,4 8,4 6,2 3

15、80 20 4.2 Material 4.2.1 Temperature rating type The ties shall be capable of use within the following temperature ranges: Code H 55 C to 240 C Non UV resistant 4.2.2 Flammability class See Table 4 for requirements. 4.2.3 Colour PEEK ties are normally supplied unpigmented which is light brown or bei

16、ge in colour (colour code 9). When coloured ties are required, the code shall be as specified in EN 4056-001. 4.2.4 Burning behaviour Materials for cable tie shall satisfy the following requirements when tested to EN 2825 and EN 2826. prEN 4056-006:2012 (E) 5 4.2.4.1 Smoke density The maximum specif

17、ic 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 exceed the following limits after a test duration of 4 mi

18、n. Gas Component Limit of concentration ppm Hydrogen Fluoride HF 100 Hydrogen Chloride HCl 150 Hydrogen Cyanide HCN 150 Sulphur Dioxide SO2 100Hydrogen Sulphide H2S 100 Nitrous Gases NO/NO2 100Carbon Monoxide CO 1 000 4.3 Variant code See Table 2. Table 2 Variant code Type DescriptionA External serr

19、ation B Internal serration Straps with internal serration shall have a continues support at both sides of the serrations that shall not be less than the height of the serrations. 4.4 Application tool Cable ties shall be applied using a tensioning tool as specified in MS 90387, verified in accordance

20、 with EN 4057-407 ensuring that the application force does not exceed the maximum values shown in Table 3. Table 3 Maximum recommended application force Size code Maximum application force / N A 170 B 2805 Tests and requirements See Table 4 and EN 4056-001. As peek is not a hydroscopic material the

21、ties shall be conditioned at (23 2) C but at an uncontrolled humidity level. prEN 4056-006:2012 (E) 6 Table 4 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 mass and dimensions shall be in acco

22、rdance 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 extinguishes within 5 s, the specimen will be

23、 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 of this standard. 304 Loop tensile s

24、trength 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 than wool standard number 6. 306 Heat

25、 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 product standard. 307 Resistance to ultr

26、a violet radiation Not applicable. 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: There shall be no damage to the cable insulation when viewed with a 10 times magnification aid.

27、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 specimens shall meet th

28、e 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 locking barbs only). Not applicable. 407 Verification of application tool settings Values as per Table 2. prEN 4056-006:2012 (E) 7 6 Qu

29、ality assurance Quality assurance requirements to be in accordance with EN 4056-001. 7 Designation EXAMPLE Description block CABLE TIE Identity block EN4056-006H1A9A 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 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.