AECMA PREN 2714-014-2008 Aerospace series Cables electrical single and multicore for general purpose Operating temperatures between - 55 and 260 Part 014 DR family 5 to 10 corr.pdf

1、ASD STANDARD NORME ASD ASD NORM prEN 2714-014 Edition P 2 June 2008 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Avenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: 49.060 Supersedes edition P 1 M

2、ay 2003 Descriptors: ENGLISH VERSION Aerospace series Cables, electrical, single and multicore for general purpose Operating temperatures between 55 C and 260 C Part 014: DR family, 5 to 10 cores, taped, screened (braided) and jacketed, UV laser printable Product standard Srie arospatiale Cbles, lec

3、triques, mono et multiconducteurs dusage gnral Tempratures de fonctionnement comprises entre 55 C et 260 C Partie 014 : Famille DR, 5 10 conducteurs, ruban, blinds (tresss) et gains, marquable au laser UVNorme de produit Luft- und Raumfahrt Leitungen, elektrisch, ein- und mehradrig, fr allgemeine Ve

4、rwendung Betriebstemperaturen zwischen 55 C und 260 C Teil 014: DR-Familie, 5 bis 10 adrig, umwicket, geschirmt (Umflechtung) und ummantelt UV Laser bedruckbar Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries

5、 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 of this Prestandard, the technical content shall not be change

6、d 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, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization)

7、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 standards conflicting with the EN. Edition approved for publication 30 June 2

8、008 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2008 by ASD-STAN Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20082 Cont

9、ents Page Foreword2 1 Scope 3 2 Normative references 3 3 Terms and definitions .4 4 Materials and construction.4 5 Required characteristics.7 6 Quality assurance9 7 Designation 9 8 Identification and marking10 9 Packaging, labelling and delivery lengths 10 10 Technical specification .10 Foreword Thi

10、s 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. Copyright ASD-STAN Provided by

11、IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20083 1 Scope This standard specifies the characteristics of UV laser printable DR family, 5 to 10 cores, taped, screened (braided) and jacketed electrical lightweight cables

12、 for use in the on-board electrical systems of aircraft, at operating temperatures between 55 C and 260 C. Nevertheless, if needed, 65 C is also acceptable as shown by cold test. It shall also be possible to mark these cables by qualified compatible marking. These markings shall satisfy the requirem

13、ents of EN 3838. 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 amendments) applies. EN 2235,

14、Aerospace series Single and multicore electrical cables, screened and jacketed. EN 2267-009, Aerospace series Cables, electrical, for general purpose Operating temperatures between 55 C and 260 C Part 009: DRA family, single and multicore assembly Product standard. EN 2714-002, Aerospace series Cabl

15、es, electrical, single and multicore for general purpose Operating temperatures between 55 C and 260 C Part 002: Screened and jacketed General. EN 2714-013, Aerospace series Cables, electrical, single and multicore for general purpose Operating temperatures between 55 C and 260 C Part 013: DR family

16、, screened (spiral) and jacketed, UV laser printable Product standard. EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General. EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables.1)EN 4434, Aerospace series C

17、opper or copper alloy lightweight conductors for electrical cables Product standard (Normal and tight tolerances). EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. TR 6058, Aerospace series Cable code identification list. 2)*And all parts quo

18、ted in Table 2. 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published as ASD Technical Report at the date of publication of this standard. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without lic

19、ense from IHS-,-,-prEN 2714-014:20084 3 Terms and definitions For the purposes of this standard, 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 2267-009; number of cores 5 to 10. 5 to

20、 10 -core cables shall be twisted together according to EN 2235. Fillers cores shall be permitted for 5, 6, 8, 9 and 10 core cables. Tape: layer of polyimide with wall thickness (nominal value) of 25 m; direction of winding immaterial overlap 15 % minimum. Screen: nickel-plated copper stranded braid

21、; for dimensions of strands, see Table 1; material according to EN 4434, tests according to EN 3475-100; construction according to EN 2235. Outer jacket: Shall be defined to satisfy all requ ired characteristics of Clause 5. 4.2 Construction See EN 4434 and Table 1. This table shall be completed on

22、request. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20085 Table 1 Number of cores Code for nominal section Nominal section AWG a Linear resistance at 20 C Screen strands nominal diameter

23、 External diameter Mass max. max. max. mm2/km mm mm kg/km 001 0,15 26 165,00 002 0,25 24 117,00 0,10 3,29 26,20 004 0,4 22 61,70 006 0,6 20 34,10 010 1 18 21,70 5,26 76 012 1,2 16 14,90 6,10 102,2 020 2 14 11,20 0,12 7,05 135 030 3 12 6,99 0,15 8,41 205,6 5 051 5 10 4,22 001 0,15 26 165,00 002 0,25

24、24 117,00 0,12 3,65 32,3 004 0,4 22 61,70 006 0,6 20 34,10 010 1 18 21,70 012 1,2 16 14,90 020 2 14 11,20 030 3 12 6,99 6 051 5 10 4,22 001 0,15 26 165,00 002 0,25 24 117,00 0,12 3,8 34,6 004 0,4 22 61,70 006 0,6 20 34,10 010 1 18 21,70 012 1,2 16 14,90 020 2 14 11,20 030 3 12 6,99 7 051 5 10 4,22 c

25、ontinued Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20086 Table 1 (concluded) Number of cores Code for nominal section Nominal section AWG a Linear resistance at 20 C Screen strands nomi

26、nal diameter External diameter Mass max. max. max. mm2/km mm mm kg/km 001 0,15 26 165,00 002 0,25 24 117,00 0,12 4,37 42,95 004 0,4 22 61,70 006 0,6 20 34,10 010 1 18 21,70 012 1,2 16 14,90 020 2 14 11,20 030 3 12 6,99 8 051 5 10 4,22 001 0,15 26 165,00 002 0,25 24 117,00 004 0,4 22 61,70 006 0,6 20

27、 34,10 010 1 18 21,70 012 1,2 16 14,90 020 2 14 11,20 030 3 12 6,99 9 051 5 10 4,22 001 0,15 26 165,00 002 0,25 24 117,00 0,12 4,74 48,75 004 0,4 22 61,70 006 0,6 20 34,10 010 1 18 21,70 012 1,2 16 14,90 020 2 14 11,20 030 3 12 6,99 10 051 5 10 4,22 aAWG = Closest American Wire Gage. 4.3 Colour codi

28、ng of cores and jacket See EN 2714-002. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20087 5 Required characteristics According to EN 2235 and EN 3475-100, see Table 2. Table 2 EN 3475- De

29、signation of the test Details 201 Visual examination Applicable 202 Mass Applicable; see Table 1. 203 Dimensions Applicable; see Table 1. 301 Ohmic resistance per unit length Applicable; see Table 1. 302 Voltage proof test Applicable 303 Insulation resistance Applicable 304 Surface resistance Applic

30、able 305 Overload resistance Not applicable 306 Continuity of conductors Applicable 307 Corona extinction voltage Not applicable 401 Accelerated ageing Applicable Temperature (310 5) C 402 Shrinkage and delamination Applicable Temperature (290 5) C Maximum shrinkage at each end of cable: jacket: 2 m

31、m on AWG 26 to 18 3 mm on AWG 16 to 10 core: according to EN 2267-009 403 Delamination and blocking Applicable Temperature (310 5) C 404 Thermal shock Applicable but ( 65 2) C instead of ( 55 2) C Temperature (260 5) C Maximum shrinkage at each end of cable: jacket: 2 mm on AWG 26 to 18 3 mm on AWG

32、16 to 10 core: according to EN 2267-009 405 Bending at ambient temperature Applicable 406 Cold bend test Applicable but ( 65 2) C 407 Flammability Applicable Extinguishing time: 3 s max. 408 Fire resistance Not applicable 409 Air-excluded ageing Not applicable continued Copyright ASD-STAN Provided b

33、y IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20088 Table 2 (continued) EN 3475- Designation of the test Details 410 Thermal endurance Not applicable 411 Resistance to fluids Applicable 412 Humidity resistance Not appl

34、icable 413 Wrap back test Not applicable 414 Differential scanning calorimeter (DSC test) Not applicable 415 Rapid change of temperature Not applicable 416 Thermal stability Not applicable 417 Fire resistance of cables confinned inside a harness Not applicable 418 Thermal endurance for conductors No

35、t applicable 501 Dynamic cut-through Not applicable 502 Notch propagation Applicable Notch depth: 40 m 503 Scrape abrasion Applicable Test force on needle for cables 0,15 mm2to 0,60 mm2= 8 N 1,00 mm2to 1,20 mm2= 10 N 2,00 mm2to 5,00 mm2= 12 N 504 Torsion Not applicable 505 Tensile test on conductors

36、 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 insulation, sheath and jacket material Not applicable 511 Cable-to-cable abrasion Not applic

37、able 512 Flexure endurance Not applicable 513 Deformation resistance (Installation with plastic cable ties) Not applicable 514 Porosity of copper cladding on aluminium strands Not applicable 601 Smoke density Applicable 602 Toxicity Applicable 603 Resistance to wet arc tracking Not applicable contin

38、ued Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 2714-014:20089 Table 2 (concluded) EN 3475- Designation of the test Details 604 Resistance to dry arc propagation Not applicable 605 Wet short circu

39、it test Not applicable 701 Strippability and adherence of insulation to the conductor Applicable 702 Screen pushback capability Applicable 703 Permanence of manufacturers marking Applicable 704 Flexibility Not applicable 705 Contrast measurement Applicable K 50 % 706 Laser markability Applicable UV

40、laser 6 Quality assurance 6.1 General requirements See EN 9133 and specific Quality assurance Chapter of EN 2235. 6.2 Particular qualification requirements As EN2235 covers only standard cables with 1 to 4 cores, the following particular conditions apply: Only cable manufacturers already qualified f

41、or EN 2714-013 can be qualified for this standard. All materials and the constitution of the jacket shall be similar to those already used for EN 2714-013. Extension of qualification for each individual EN 2714-014 cable type shall be obtained by producing a test report with at least all tests resul

42、ts for tests mentioned in columns “Each delivery” of EN 2235 Table 1, plus Test EN 3475-407. 7 Designation 7.1 Identification EXAMPLE Description block CABLE, ELECTRICAL Identity block EN2714-014E002F Number of this standard Code letter for number of cores (see EN 2714-002, Table 1) Code for nominal

43、 section (see Table 1) Code letter for colour coding of cores and jacket (see EN 2714-002) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking p

44、ermitted without license from IHS-,-,-prEN 2714-014:200810 7.2 Type code (for short designation) Code designation in accordance with TR 6058, see Table 3. Table 3 EN reference Code designation five cores six cores seven cores eight cores eight cores nine cores EN2714-014E EN2714-014F EN2714-014G EN2

45、714-014H EN2714-014J EN2714-014K MME MMF MMG MMH MMJ MMK 8 Identification and marking See EN 2714-002. 9 Packaging, labelling and delivery lengths See EN 2235. 10 Technical specification See EN 2235. Copyright ASD-STAN Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-