AECMA PREN 4612-004-2005 Aerospace series Cables electrical for general purpose single and multicore assembly XLETFE Family jacketed or screened and jacketed Part 004 Tin plated co.pdf

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1、AECMA STANDARDNORME AECMAAECMA NORMprEN 4612-004Edition 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 004: Tin plated copperOperating temperatures, between 65 C and 135 CSingle extruded wall for open applications, with jacket and screen (braid)UV laser printable Product standardSrie aros

3、patialeCbles, lectriques, dusage gnral,mono et multiconducteursFamille XLETFEGains ou blinds et gainsPartie 004 : Cuivre tamTempratures de fonctionnementcomprises entre 65 C et 135 CFil simple isol pour applications externes,gain et blind (tress)Marquable au laser UV Norme de produitLuft- und Raumfa

4、hrtEin- und mehradrige elektrische Leitungenfr allgemeine VerwendungXLETFE Familiemit Mantel oder geschirmt und MantelTeil 004: Kupfer verzinntBetriebstemperaturen zwischen 65 C und 135 CEinfach extrudierte Isolierungfr externe Verwendung,mit Mantel und Schirm (Geflecht)UV-Laser bedruckbar Produktno

5、rmThis “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 Domain

6、following 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 agreement of

7、 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 stan

8、dard 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 de Mat

9、eriel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 2 prEN 4612-004:2005Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANs Electrical Domain. After inquiries and votes ca

10、rried 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 Qual

11、ity 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 with AEC

12、MANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 4612-004:20051 Scope This standard specifies the characteristics of UV laser printable jacket, tin plated copper conductor, electrical cables Crosslinked Ethylene Tetra Fluoro Ethylene co-polymer (XLETFE

13、) family for use in the on-board electrical systems of aircraft operating at temperatures between 65 C and 135 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 when the jacket is presen

14、t. When the jacket is stripped back the cores may need additional protection. In case of conflict 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 pro

15、visions from other publications. These normative references are cited at the appropriate places 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

16、amendment or revision. For undated references the latest edition of the publication referred 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 347

17、5-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 4611-002, Aerospace series Cables, electrical, for general purpose, single and multicore assembly XLETFE Family Part 002: General 1)EN 4611-003, Aerospace series Cables, electrical, for general purpose, singl

18、e and multicore assembly XLETFE Family Part 003: Tin plated copper Operating temperatures, between 65 C and 135 C Single extruded wall for enclosed applications UV laser printable Product standard 1)EN 4612-002, Aerospace series Cables, electrical, for general purpose, single and multicore assembly

19、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 and construction 4.1 Materials These cables shall consist of the foll

20、owing: cores according to EN 4611-003; 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 publication of this standard Copyright Association Europeene des Const

21、ructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 4612-004:2005Screen: tin plated copper stranded woven braid, for dimensions of strands, see Table 1; material according to EN 2083,

22、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 single core and 2 core shall be 0,13 mm; minimum thickness 3 core and 4 core shall be 0,15 mm. 4.2 Construction See Table 1. Table

23、1 Single and multicore 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 60,0 33,2 21,1 15,3 10,9 6

24、,8 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 1,58 1,69 1,87 2,11 2,37 2,61 2,90 3,39 6,05 7,02 8,94 12,31 16,40 21,12 26,76 38,50 2 001 b002 b004 006 010 012 020 030 26 24 22 20 18 16 14 12 153,5 109,2 61,8 23,2 21,7 15,8 11,2 7,0 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 2,41 2,62 2,98 3,50 4,02 4,50 5

25、,09 6,04 10,43 12,68 16,50 23,35 31,62 41,18 52,76 76,51 3 001 b002 b004 006 010 012 020 030 26 24 22 20 18 16 14 12 153,5 109,2 61,8 23,2 21,7 15,8 11,2 7,0 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 2,63 2,79 3,21 3,74 4,30 4,84 5,46 6,45 14,16 16,92 22,56 32,08 44,03 58,32 74,89 109,33 4 001 b002 b0

26、02 004 006 010 012 020 26 24 22 20 18 16 14 12 153,5 109,2 61,8 23,2 21,7 15,8 11,2 7,0 0,10 0,10 0,10 0,10 0,13 0,13 0,13 0,13 2,83 3,08 3,51 4,10 4,75 5,33 6,04 7,18 17,38 21,44 28,46 40,85 56,84 75,17 97,36 143,29 aAWG = Closest American Wire Gauge. bSilver plated copper alloy component conductor

27、 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 5 prEN 4612-004:20054.3 Colour coding of cores and jacket See EN 4611-002. 5 Required characteris

28、tics According 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

29、accordance with 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 Applicable 12 500 M.mm minimum 305 Overload resistance Not applicabl

30、e 401 Accelerated ageing Applicable 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 030 Cores: 0,80 mm on size 001 to 006 1,00 mm on size 010 to 012 1,20 mm on size 020 t

31、o 030 403 Delamination and blocking Applicable Temperature (150 5) C 404 Thermal shock Applicable Temperatures ( 65 2) C and (135 3) C Maximum shrinkage at each end of cable: Jacket: 2 mm on size 001 to 010 3 mm on size 012 to 030 Cores: 0,80 mm on size 001 to 006 1,00 mm on size 010 to 012 1,20 mm

32、on size 020 to 030 continued 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 6 prEN 4612-004:2005Table 2 (continued) EN 3475- Test Details 405 Ben

33、ding at ambient temperature Applicable 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 41

34、1 Resistance to fluids Applicable 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 App

35、licable to jackets of single core cables only Temperature (135 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 jacket

36、s of single core cables only Temperature (135 3) C Minimum 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 Materi

37、el Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 4612-004:2005Table 2 (concluded) EN 3475- Test Details 504 Torsion Not applicable 505 Tensile test on conductors and strands Not applicable 506 Platin

38、g continuity Not applicable 507 Adherence of plating Not applicable 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

39、-cable abrasion Applicable Single core 006 only Load 1 kg 6 000 000 cycles 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 No

40、t 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 Not applicable 702 Screen pushback capability Applicable 703 Permanence of manufacturers marking Applicable 704 Flexibility Not a

41、pplicable 705 Contrast measurement Laser Marking K 50 % 706 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 prE

42、N 4612-004:20056 Quality assurance See EN 9133. 7 Designation EXAMPLE: Description block CABLE, ELECTRICAL Identity block EN4612-004A010P 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 (

43、see EN 4612-002) 8 Identification and marking See EN 4612-002. 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 reproduct

44、ion or networking permitted without license from IHS-,-,-Page 9 prEN 4612-004:2005Annex 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 widt

45、h of one end; dr is the effective radial depth of one end; L 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-,-,-

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