ASD-STAN PREN 4612-013-2005 Aerospace series Cables electrical for general purpose single and multicore assembly XLETFE Family jacketed or screened and jacketed Part 013 SX TC and .pdf

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1、AECMA STANDARDNORME AECMAAECMA NORMprEN 4612-013Edition 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 013: SX, TC and UC Nickel plated copperOperating temperatures, between 65 C and 150 CSingle extruded wall for equipment only, with jacket and screen (spiral)UV laser printable Product st

3、andardSrie arospatialeCbles, lectriques, dusage gnral,mono et multiconducteursFamille XLETFEGains ou blinds et gainsPartie 013 : SX, TC et UC Cuivre nickelTempratures de fonctionnementcomprises entre 65 C et 150 CFil simple isol pour circuits lectriques uniquement,gain et blind (guip)Marquable au la

4、ser UV Norme de produitLuft- und RaumfahrtEin- und mehradrige elektrische Leitungenfr allgemeine VerwendungXLETFE Familiemit Mantel oder geschirmt und MantelTeil 013: SX, TC und UC Kupfer vernickeltBetriebstemperaturen zwischen 65 C und 150 CEinfach extrudierte Isolierung nurfr Gerteverdrahtung,mit

5、Mantel und Schirm (Umseilung)UV-Laser bedruckbar ProduktnormThis “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 t

6、echnically approved by the experts of the concerned Domainfollowing 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.Aft

7、er examination and review by users and formal agreement 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 na

8、tional level by giving the EN the statusof a national 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-ST

9、ANPage 2 prEN 4612-013:2005Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA-STANs General Process Manual, this standard has received approval for

10、 Publication. Contents Page 1 Scope 3 2 Normative references. 3 3 Definitions and symbols . 3 4 Materials and construction 4 5 Required characteristics. 5 6 Quality assurance. 7 7 Designation 7 8 Identification and marking 7 9 Packaging, labelling and delivery lengths 7 10 Technical specification 7

11、Page 3 prEN 4612-013:20051 Scope This standard specifies the characteristics of UV laser printable jacket, nickel plated copper conductor, electrical cables Crosslinked Ethylene Tetra Fluoro Ethylene co-polymer (XLETFE) family for use in the on-board electrical systems of aircraft at operating tempe

12、ratures 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 intended for use in areas where combinations of high vibration, cable flexing and fluid contamination are normal. When the jacket is stripped back the cores may ne

13、ed 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 provisions from other publications. These normative ref

14、erences 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 amendment or revision. For undated references the la

15、test 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 3475-100*, Aerospace series Cables, electrical, aircraf

16、t use Test methods Part 100: General EN 4611-009, Aerospace series Cables, electrical, for general purpose, single and multicore assembly XLETFE Family Part 009: BJ Nickel plated copper Operating temperatures, between 65 C and 150 C Single extruded wall for use as cable cores or within equipment in

17、areas of high vibration, cable flexing and fluid contamination UV laser printable Product standard 1)EN 4612-002, Aerospace series Cables, electrical, for general purpose, single and multicore assembly XLETFE Family jacketed or screened and jacketed Part 002: General 1)EN 9133, Aerospace series Qual

18、ity management systems Qualification Procedure for Aerospace Standard Parts 1)3 Definitions and symbols See EN 3475-100. * And all its parts 1) Published as AECMA Prestandard at the date of publication of this standard Page 4 prEN 4612-013:20054 Materials and construction 4.1 Materials These cables

19、shall consist of the following: cores according to EN 4611-009; number of cores 1 to 3. 2 to 3 cores shall be twisted together according to EN 2235. Filler cores shall not be permitted. Screen: nickel plated copper stranded woven screen; for dimensions of strands, see Table 1; material according to

20、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. 4.2 Construction See Table 1. Table 1 Multicore screened and jacketed Number of cores and Type code Code for nominal section AWG aLinear res

21、istance at 20 C /km max. Screen strands nominal diameter mm External diameter mm max. Mass kg/km max. 1, SX 002 b004 006 010 24 22 20 18 114,0 60,0 33,2 21,1 0,08 0,08 0,08 0,08 1,54 1,69 1,94 2,20 6,22 7,70 11,28 15,70 2, TC 002 b004 006 010 24 22 20 18 117,4 61,8 34,2 21,7 0,08 0,08 0,10 0,10 2,40

22、 2,77 3,34 3.84 10,69 14,04 20,26 30,53 3, UC 002 b004 006 010 24 22 20 18 117,4 61,8 34,2 21,7 0,08 0,08 0,10 0,10 2,60 2,94 3,55 4,10 15,55 20,66 32,66 46,64 aAWG = Closest American Wire Gauge. bNickel plated copper alloy conductor 4.3 Colour coding of cores and jacket See EN 4612-002. Page 5 prEN

23、 4612-013:20055 Required characteristics 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 22

24、35 Applicable 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 A

25、pplicable 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 002 to 010 Cores: 0,80 mm on size 002 to 006 1,00 mm on size 010 403 Delamination and blocking Applicable Temperature (150 5) C 404 Thermal sho

26、ck Applicable Temperatures ( 65 2) C and (260 5) C Maximum shrinkage at each end of cable: Jacket: 2 mm on size 002 to 010 Cores: 0,80 mm on size 002 to 006 1,00 mm on size 010 405 Bending at ambient temperature Applicable 406 Cold bend test Applicable Temperature ( 65 2) C 407 Flammability Applicab

27、le Methods 1 and 2 Flame application 15 s Extinguishing time: 3 s max. continued Page 6 prEN 4612-013:2005Table 2 (continued) EN 3475- Test Details 408 Fire resistance Not applicable 409 Air-excluded ageing Not applicable 410 Thermal endurance Not applicable 411 Resistance to fluids Applicable singl

28、e core cable only No crazing or delamination, 5 % maximum swell, colour changes or removal of marking 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-

29、through Not applicable 502 Notch propagation Not applicable 503 Scrape abrasion Applicable to jackets of single core cables only Temperature (20 3) C Minimum number of cycles to screen 100 Size code Nominal section Load mm2N002 004 006 010 0,25 0,4 0,6 1 4,0 4,5 5,0 5,5 504 Torsion Not applicable 50

30、5 Tensile test on conductors and strands Applicable 506 Plating continuity Applicable 507 Adherence of plating Applicable 508 Plating thickness Not applicable 509 Solderability Not applicable 510 Tensile strength and elongation of extruded insulation, sheath and jacket material Applicable cable jack

31、et Eb 75 % minimum TS 34 MPa minimum 511 Cable-to-cable abrasion Applicable (single core) Load 1 kg 6 000 000 cycles 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

32、 Resistance to wet arc tracking Not applicable continued Page 7 prEN 4612-013:2005Table 2 (concluded) EN 3475- Test Details 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

33、 Screen pushback capability Not applicable 703 Permanence of manufacturers marking Applicable 704 Flexibility Not applicable 705 Contrast measurement Applicable Laser marking K 50 % 706 Laser markability Not applicable 6 Quality assurance See EN 9133. 7 Designation EXAMPLE: Description block CABLE,

34、ELECTRICAL Identity block EN4612-013A010P 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 4612-002. 9 Packaging, labelling and delivery lengths See EN 2235. 10 Technical specification See EN 2235.