ASD-STAN PREN 4608-004-2012 Aerospace series Single and twisted multicore assembly screened (braided) and jacketed Operating temperatures between 65 and 260 Part 004 DW family - Li.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4608-004 Edition P 2 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: Supersedes edi

2、tion P 1 of January 2005 Descriptors: ENGLISH VERSION Aerospace series Single and twisted multicore assembly, screened (braided) and jacketed Operating temperatures between 65 C and 260 C Part 004: DW family Lightweight UV Laser printable Product standard Srie arospatiale Cbles lectriques blinds rsi

3、stant au feu Simple et multifilaire blind (tresse) gain Tempratures de fonctionnement comprises entre 65 C et 260 C Partie 004 : Famille DW Fil allg Marquable laser UV Norme de produit Luft- und Raumfahrt Einzel- und mehradrig verdrillte Leitungen, geschirmt (Geflecht) und ummantelt Betriebstemperat

4、uren zwischen 65 C und 260 C Teil 004: DW-Familie Leichte Bauweise UV Laser bedruckbar 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

5、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 that interchangeability is affected, physically or functio

6、nally, 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 CE

7、N 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 publica

8、tion to ASD-STAN Electrical Domain Copyright 2012 by ASD-STAN prEN 4608-004:2012 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms and definitions . 3 4 Materials and construction . 3 4.1 Materials . 3 4.2 Construction. 4 4.3 Colour code 5 5 Required characteristics . 5 6 Tes

9、ts 5 7 Quality assurance 8 8 Designation 8 8.1 Identification. 8 8.2 Type code (for short designation) . 8 9 Identification and marking 8 10 Packaging, labelling and delivery lengths 8 11 Technical specification . 8 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs

10、 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 4608-004:2012 (E) 3 1 Scope This standard specifies the characteristics of lightweight fire proof,

11、 screened, electrical cables for use in the on-board electrical systems of aircraft at operating temperature between 65 C and 260 C. These cables are UV Laser printable in accordance with EN 3838. 2 Normative references The following referenced documents are indispensable for the application of this

12、 document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard EN 2346-005, Aerospace series

13、Cable, electrical, fire resistant Operating temperatures between 65 C and 260 C Part 005: DW family, single UV laser printable and multicore assembly Light weight Product standard EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables EN 3475 (all par

14、ts), Aerospace series Cables, electrical, aircraft use Test methods EN 4608-001, Aerospace series Cable, electrical, fire resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating temperatures between 65 C and 260 C Part 001: Technical specification EN 4608-002, Aero

15、space series Cable, electrical, fire resistant Single and twisted multicore assembly, screened (braided) and jacketed Operating temperatures between 65 C and 260 C Part 002: General EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts 3 Terms and

16、definitions For the purposes of this document, the terms and definitions given in EN 3475-100 apply. 4 Materials and construction 4.1 Materials These cables shall consist of the following: Cores according to EN 2346-005; Number of cores: 1 to 3. 2 and 3-core shall be twisted together according to EN

17、 4608-001. prEN 4608-004:2012 (E) 4 Screen: Nickel plated copper braid; See Table 1 for strand diameter; Material according to EN 2083, tests according to EN 3475-100; Construction according to EN 4608-001. Outer jacket: Sintered wrapped PTFE UV laser printable. 4.2 Construction See Table 1. Table 1

18、 No of core Code No Nominal cross sectionAWGa Number of strands Nominal diameter of strands Conductive resistance at 20 C Nominal diameter of shield strands External diameter Mass Number of missing strandsmax. max. max. mm2mm Ohm/km mm mm g/m 1 002 0,2 24 19 0,12 131,00 0,10 2,61 14,15 0 004 0,4 22

19、19 0,15 80,90 0,10 2,73 16,51 006 0,6 20 19 0,20 44,30 0,10 3,01 21,54 010 1,0 18 19 0,25 27,90 0,12 3,57 31,19 012 1,2 16 19 0,30 18,80 0,12 3,72 36,94 020 2,0 14 37 0,25 13,90 0,12 4,24 46,40 030 3,0 12 37 0,32 8,9 TBD 4,79 62,87 2 002 For GPB 24, see EN 4608-005. 004 0,4 22 19 0,15 82,50 0,12 4,3

20、0 29,66 0 006 0,6 20 19 0,20 45,20 0,12 4,90 40,51 010 1,0 18 19 0,25 28,50 0,12 5,90 56,25 012 1,2 16 19 0,30 19,20 0,12 6,20 65,71 020 2,0 14 37 0,25 14,20 0,12 7,20 85,98 030 3,0 12 37 0,32 9,1 0,12 8,30 118,48 3 002 0,2 24 19 0,12 133,60 0,12 4,40 33,61 0 004 0,4 22 19 0,15 82,50 0,12 4,50 39,15

21、 006 0,6 20 19 0,20 45,20 0,12 5,20 54,46 010 1,0 18 19 0,25 28,50 0,12 6,20 77,01 012 1,2 16 19 0,30 19,20 0,12 6,60 90,47 020 2,0 14 37 0,25 14,20 TBD 7,80 125,75 030 3,0 12 37 0,32 9,1 0,10 9,00 174,02 aClosest American Wire Gage. prEN 4608-004:2012 (E) 5 4.3 Colour code See EN 4608-002. 5 Requir

22、ed characteristics See EN 4608-001 and Table 2. Operating temperature: 260 C max. continuous; Operating voltage: 600 V AC; Use frequency: 2 000 Hz max. 6 Tests See Table 2. Table 2 Tests (1 of 3) EN 3475- Title Details 201 Visual examination Applicable. NOTE For qualification laser marked samples ar

23、e also to be tested. 202 Mass Applicable Table 1. 203 Dimensions Applicable Table 1. 301 Ohmic resistance per unit length Applicable Table 1. 302 Voltage proof test Immersion test Applicable. 302 Voltage proof test Dry test Applicable. 303 Insulation resistance Applicable. 304 Surface resistance App

24、licable. 305 Overload resistance Not applicable. 306 Continuity of conductors Applicable. 401 Accelerated ageing Applicable. Temperature: (310 5) C. NOTE For qualification laser marked samples are also to be tested. 402 Shrinkage and delamination Applicable. Temperature: (310 5) C. Maximum shrinkage

25、 at each end of the jacket: 2 mm on AWG 24 to 18 3 mm on AWG 16 to 12 Core: according to EN 2346 403 Delamination and blocking Applicable. Temperature: (310 5) C. 404 Thermal shock Applicable. Temperature (260 5) C. Maximum shrinkage at each end of the jacket: 2 mm on AWG 24 to 18 3 mm on AWG 16 to

26、12 Core: according to EN 2346 prEN 4608-004:2012 (E) 6 Table 2 (2 of 3) EN 3475- Title Details 405 Bending at ambient temperature Applicable. NOTE For qualification laser marked samples are also to be tested. 406 Cold bend test Applicable. Temperature: ( 65 2) C. 407 Flammability Method 1 Applicable

27、. Extinction time: 3 s. 408 Fire resistance Applicable. 15 min. Insulation resistance: 10 000 ohms. Load: 170 g for 004; 340 g for 006. 409 Air-excluded ageing Not applicable. 410 Thermal endurance Not applicable. 411 Resistance to fluids Applicable. NOTE For qualification laser marked samples are a

28、lso to be tested. 412 Humidity resistance Not applicable. 413 Wrap back test Not applicable. 414 Differential scanning calorimeter (DSC test) Applicable (only if PTFE in the construction) 415 Rapid change of temperature Not applicable. 416 Thermal stability Not applicable. 417 Fire resistance of cab

29、les confined inside a harness Not applicable. 501 Dynamic cut-through Applicable to codes 004 to 020 included. Temperature 260 C, 1 h. See Table 3. 502 Notch propagation Applicable to codes 004 to 020 included. Depth notch: 0,10 mm. 503 Scrape abrasion Applicable on single core screened jacketed onl

30、y. Load, see Table 3. 504 Torsion Not applicable. 505 Tensile test on conductors and strands Applicable. 506 Plating continuity Applicable. 507 Adherence of plating Applicable. 508 Plating thickness Applicable. 509 Solderability Not applicable. 510 Tensile strength and elongation of extruded insulat

31、ion, sheath and jacket material Not applicable. 511 Cable-to-cable abrasion Not applicable. 512 Flexure endurance Not applicable. prEN 4608-004:2012 (E) 7 Table 2 (3 of 3) EN 3475- Title Details 513 Deformation resistance (Installation with plastic cable ties) Not applicable. 601 Smoke density Not a

32、pplicable. 602 Toxicity Not applicable. 603 Resistance to wet arc tracking Not applicable. 604 Resistance to dry arc propagation Not applicable. 605 Wet short circuit test Not applicable. 701 Strippability and adherence of insulation to the conductor Strippability: applicable. Adherence: not applica

33、ble. 702 Screen pushback capability Applicable. 703 Permanence of manufacturers marking Applicable. 704 Flexibility Not applicable. 705 Contrast measurement Applicable 50 %. 706 Laser markability Applicable. EN 3838 Subclause 6.2 Permanance of markings Subclause 6.5 Exposure to light Applicable. 807

34、 Transfer impedance Applicable. Zt 60 m/m for 1 core Zt 40 m/m for 2 cores Zt 35 m/m for 3 cores Table 3 Code number Nominal cross section Test 501 Dynamic cut-through Test 503 Scrape abrasion Load mm2N N 20 C 260 C 002 0,25 25 8 1,5 004 0,4 45 8 3 006 0,6 55 8 3,5 010 1,0 70 10 4 012 1,2 85 10 4 02

35、0 2,0 95 12 4 030 3,0 105 12 4 prEN 4608-004:2012 (E) 8 7 Quality assurance See EN 9133. 8 Designation 8.1 Identification EXAMPLE Description block CABLE, ELECTRICAL, FIRE RESISTANT Identity block EN4608-004A004 Number of this standard Code letter for number of cores (see EN 4608-002) Code for nomin

36、al section (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 8.2 Type code (for short designation) See Table 4. Table 4 EN references Code designation Single core UV laser printable EN4608-004A GPA 2 cores EN4608-004B GPB 3 cores EN

37、4608-004C GPC 9 Identification and marking See EN 4608-002. (Excepted “EN“ marking, which is used in case of ASD-CERT qualification only) EXAMPLE On the outer jacket: GPB22 FRF03 Optional on cores: DWA 22 FRF03 10 Packaging, labelling and delivery lengths See EN 4608-001. 11 Technical specification See EN 4608-001.