AECMA PREN 4612-010-2005 Aerospace series Cables electrical for general purpose single and multicore assembly XLETFE Family jacketed or screened and jacketed Part 010 Silver plated.pdf

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1、AECMA STANDARDNORME AECMAAECMA NORMprEN 4612-010Edition P 1March 2005PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATIONGulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8110 - Fax. + 32 2 775 8111 - www.aecma-stan.orgICS:Descriptors:ENGLISH VERSIONAerospace seriesCables,

2、 electrical, for general purpose, single and multicore assemblyXLETFE Familyjacketed or screened and jacketedPart 010: Silver plated copperOperating temperatures, between 65 C and 150 CDual extruded wall for openapplications, with jacket and screen (braid)UV laser printable Product standardSrie aros

3、patialeCbles, lectriques, dusage gnral,mono et multiconducteursFamille XLETFEGains ou blinds et gainsPartie 010 : Cuivre argentTempratures de fonctionnementcomprises entre 65 C et 150 CFil double isol pour applications externes,gain et blind (tress)Marquable au laser UV Norme de produitLuft- und Rau

4、mfahrtEin- und mehradrige elektrische Leitungenfr allgemeine VerwendungXLETFE Familiemit Mantel oder geschirmt und MantelTeil 010: Kupfer versilbertBetriebstemperaturen zwischen 65 C und 150 CDoppelt extrudierte Isolierungfr externe Verwendung,mit Mantel und Schirm (Geflecht)UV-Laser bedruckbar Prod

5、uktnormThis “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (TheEuropean Association of Aerospace Industries - Standardization). It is published for the needs of theEuropean Aerospace Industry. It has been technically approved by the experts of the concerned D

6、omainfollowing member comments.Subsequent to the publication of this Prestandard, the technical content shall not be changed to anextent that interchangeability is affected, physically or functionally, without re-identification of the standard.After examination and review by users and formal agreeme

7、nt of AECMA-STAN, it will be submitted as adraft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote andtransformation to full European Standard (EN).The CEN national members have then to implement the EN at national level by giving the EN the statusof a national

8、 standard and by withdrawing any national standards conflicting with the EN.Edition approved for publication31 March 2005Comments should be sent within six monthsafter the date of publication toAECMA-STANElectrical DomainCopyright 2005 by AECMA-STANCopyright Association Europeene des Constructeurs d

9、e Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 2 prEN 4612-010:2005Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANs Electrical Domain. After inquiries and vot

10、es carried out in accordance with the rules of AECMA-STAN defined in AECMA-STANs General Process Manual, this standard has received approval for Publication. Contents Page 1 Scope 3 2 Normative references. 3 3 Definitions and symbols . 3 4 Materials and construction 3 5 Required characteristics. 5 6

11、 Quality assurance. 8 7 Designation 8 8 Identification and marking 8 9 Packaging, labelling and delivery lengths 8 10 Technical specification 8 Annex A Formulae for calculating braid details 9 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license wit

12、h AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 4612-010:2005 1 Scope This standard specifies the characteristics of UV laser printable jacket, silver plated copper conductor, electrical cables Crosslinked Ethylene Tetra Fluoro Ethylene co-polyme

13、r (XLETFE) family for use in the on-board electrical systems of aircraft at operating temperatures between 65 C and 150 C, operating at voltages not exceeding 600 V r.m.s and frequencies not exceeding 2 000 Hz. These cables are suitable for airframe use without additional protection. In case of conf

14、lict between this standard and other referenced documents the requirements of this standard shall take precedence. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate plac

15、es in the text and the publications are listed hereafter. Dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred

16、to applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard EN 2235, Aerospace series Single and multicore electrical cables, screened and jacketed 1)EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 4

17、611-006, Aerospace series Cables, electrical, for general purpose, single and multicore assembly XLETFE Family Part 006: Silver plated copper Operating temperatures, between 65 C and 150 C Dual extruded wall for openapplications UV laser printable Product standard 1)EN 4612-002, Aerospace series Cab

18、les, electrical, for general purpose, single and multicore assembly XLETFE Family jacketed or screened and jacketed Part 002: General 1)EN 9133, Aerospace series Quality management systems Qualification Procedure for Aerospace Standard Parts 1)3 Definitions and symbols See EN 3475-100. 4 Materials a

19、nd construction 4.1 Materials These cables shall consist of the following: cores according to EN 4611-006; number of cores 1 to 4. 2 to 4 cores shall be twisted together according to EN 2235. Filler cores shall not be permitted. * And all its parts 1) Published as AECMA Prestandard at the date of pu

20、blication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 4612-010:2005Screen: silver plated copper stranded woven screen;

21、 for dimensions of strands, see Table 1; material according to EN 2083, tests according to EN 3475-100; construction according to EN 2235. Outer jacket: XLETFE; it shall be possible to mark the jacket by UV laser printing; minimum thickness shall be 0,15 mm. 4.2 Construction See Table 1. Table 1 Mul

22、ticore screened and jacketed Number of cores Code for nominal section AWG aLinear resistanceat 20 C /km max. Screen strands nominal diameter mm External diameter mm max. Mass kg/km max. 1 001 b002 b004 006 010 012 020 030 26 24 22 20 18 16 14 12 149,0 106,0 55,3 31,0 19,6 14,9 10,2 6,4 0,10 0,10 0,1

23、0 0,10 0,13 0,13 0,13 0,13 1,90 2,06 2,16 2,40 2,65 2,79 3,40 3,91 7,81 9,51 10,98 14,66 19,00 22,74 32,08 45,28 2 001 b002 b004 006 010 012 020 030 26 24 22 20 18 16 14 12 153,5 109,2 57,0 32,0 20,2 15,4 10,5 6,6 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 2,90 3,22 3,42 3,90 4,42 4,69 5,84 6,86 13,15

24、16,34 19,42 26,65 35,19 42,65 59,53 84,82 3 001 b002 b004 006 010 012 020 030 26 24 22 20 18 16 14 12 153,5 109,2 57,0 32,0 20,2 15,4 10,5 6,6 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 3,06 3,41 3,62 4,14 4,70 5,00 6,23 7,33 17,02 21,42 25,85 36,18 48,40 59,28 83,38 120,41 4 001 b002 b002 004 006 010

25、012 020 26 24 22 20 18 16 14 12 153,5 109,2 57,0 32,0 20,2 15,4 10,5 6,6 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 3,32 3,71 3,95 4,53 5,15 5,49 6,86 8,10 20,96 26,64 32,37 45,82 61,78 76,10 107,41 156,50 aAWG = Closest American Wire Gauge. bSilver plated copper alloy component conductor Copyright Ass

26、ociation Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 5 prEN 4612-010:20054.3 Colour coding of cores and jacket See EN 4612-002. 5 Required characteristics According

27、 to EN 2235 and EN 3475-100 See Table 2. Table 2 EN 3475- Test Details 201 Visual examination Applicable 202 Mass Applicable; see Table 1. 203 Dimensions Applicable; see Table 1. Lay Factor Less than 3 in accordance with Annex A Screen coverage EN 2235 Applicable not less than 85 % in accordance wit

28、h Annex A 301 Ohmic resistance per unit length Applicable; see Table 1. 302 Voltage proof test Applicable 303 Insulation resistance Applicable (20 2) C, 500 M.km minimum (95 2) C, 1 M.km minimum 304 Surface resistance Not applicable 305 Overload resistance Not applicable 401 Accelerated ageing Appli

29、cable Temperature (200 3) C 402 Shrinkage and delamination Applicable Temperature (150 5) C Maximum shrinkage at each end of cable: Jacket: 2 mm on size 001 to 010 3 mm on size 012 to 050 Cores: 0,80 mm on size 001 to 006 1,00 mm on size 010 to 012 1,20 mm on size 020 to 030 403 Delamination and blo

30、cking Applicable Temperature (150 5) C 404 Thermal shock Applicable Temperatures ( 65 2) C and (260 5) C Maximum shrinkage at each end of cable: Jacket: 2 mm on size 001 to 010 3 mm on size 012 to 050 Cores: 0,80 mm on size 001 to 006 1,00 mm on size 010 to 012 1,20 mm on size 020 to 030 continued C

31、opyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 6 prEN 4612-010:2005Table 2 (continued) EN 3475- Test Details 405 Bending at ambient temperature Ap

32、plicable 406 Cold bend test Applicable Temperature ( 65 2) C 407 Flammability Applicable Methods 1 and 2 Flame application 15 s Extinguishing time: 3 s max. 408 Fire resistance Not applicable 409 Air-excluded ageing Not applicable 410 Thermal endurance Not applicable 411 Resistance to fluids Applica

33、ble Volume swell not greater than 10 % Scrape not applicable 412 Humidity resistance Applicable Method B Temperature (90 2) C Duration 672 hours 413 Wrap back test Not applicable 414 Differential scanning calorimeter (DSC test) Not applicable 501 Dynamic cut-through Applicable to single core cables

34、only Temperature (150 3) C Size code Nominal section Cut-throughforce to screen mm2N 001 002 004 006 010 012 020 030 0,15 0,20 0,40 0,60 1,00 1,20 2,00 3,00 7,5 10 15 15 15 15 25 25 502 Notch propagation Not applicable 503 Scrape abrasion Applicable to single core cables only Temperature (150 3) C M

35、inimum number of cycles to screen = 100 Size code Nominal section Load mm2N001 002 004 006 010 012 020 030 0,15 0,20 0,40 0,60 0,95 1,35 1,80 3,00 3,0 3,5 4,0 4,5 5,0 5,5 6,0 6,5 continued Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AE

36、CMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 4612-010:2005Table 2 (concluded) EN 3475- Test Details 504 Torsion Not applicable 505 Tensile test on conductors and strands Applicable 506 Plating continuity Applicable 507 Adherence of plating Applica

37、ble 508 Plating thickness Not applicable 509 Solderability Applicable braid only 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Applicable for jacket Eb 75 % minimum TS 34 MPa minimum 511 Cable-to-cable abrasion Applicable (single core) Load 1 kg 6 000 000 cyc

38、les minimum to screen 512 Flexure endurance Not applicable 601 Smoke density Subject to agreement between customer and supplier 602 Toxicity Subject to agreement between customer and supplier 603 Resistance to wet arc tracking Not applicable 604 Resistance to dry arc propagation Not applicable 605 W

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

40、Laser markability Not applicable Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 8 prEN 4612-010:20056 Quality assurance See EN 9133. 7 Designatio

41、n EXAMPLE: Description block CABLE, ELECTRICAL Identity block EN4612-010A010P Number of this standard Code letter for number of cores (see EN 4612-002, Table 1) Code for nominal section (see Table 1) Code letter for colour coding of cores (see EN 4612-002) 8 Identification and marking See EN 4612-00

42、2. 9 Packaging, labelling and delivery lengths See EN 2235. 10 Technical specification See EN 2235. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Pag

43、e 9 prEN 4612-010:2005Annex A Formulae for calculating braid details A.1 The filling factor Kfis given bythe following formula 2122212+=LDDmndKwfWhere: D is the mean diameter braid (i.e. diameter under braid + 2dr); dw is the effective width of one end; dr is the effective radial depth of one end; L

44、 is the lay length; m is the total number of spindles; n is the total number of ends per spindle. A.2 Lay factor The lay factor (KL) is given by: 2221LDKL+= Where D and L are defined in A.1 above A.3 Coverage The percentage coverage is given by the formula: 100 (2KL KL2) Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-