1、AECMA STANDARD NORME AECMA AECMA NORM This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the expert
2、s of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. Aft
3、er examination and signature of the AECMA Standard Checking Centre INPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. , prEN 27 1 3-004 Edition P 1 March 1995 E
4、DITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 ICs : Descriptors : ENGLISH VERSION Aerospace series Cables, electrical, single and multicore for general purpose Operating
5、 temperatures between - 55 OC and 200 OC Part 004 : Screened (braided) and jacketed, ink jet printable Product standard Srie arospatiale Cbles, lectriques, mono et multiconducteurs dusage gnral Tempratures de fonctionnement comprises entre - 55 OC et 200 OC Partie 004 : Blinds (tresss) et gains, mar
6、quables au jet dencre Norme de produit Luft- und Raumfahrt Leitungen, elektrisch, ein- und mehradrig, fr allgemeine Verwendung Betriebstemperaturen zwischen -55 Ocund200 OC Teil 004 : Geschirmt (Umflechtung) und ummantelt, Tintenstrahl bedruckbar Produktnorm Nota - Extra copies can be SupDbd by E.N.
7、A.E. - TechnoDolis 54 - 199, rue Jean-Jacaues Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX I C 2 Chairman I Comments should be sent within six months after the date of publication to I Edition approved for publication 1995-03-31 AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Mouli
8、neaux Cedex - FRANCE M. Le Cunff aecma 1995 Page 3 prEN 2713-004 : 1995 1 Scope This standard specifies the characteristics of ink jet printable, single and multicore screened (braided) and jacketed electrical cables for use in the on-board electrical systems of aircraft, at operating temperatures b
9、etween - 55 OC and 200 OC. It shall also be possible to mark these cables by hot stamp printing. These markings shall be in accordance with EN 3838. 2 Normative references EN 2083 EN 2235 EN 2266-003 EN 271 3-002 EN 3042 Copper and copper alloy conductors for electrical cables - Aerospace series Aer
10、ospace series - Cables, electrical, single and multicore, screened and jacketed - Technical specification *) Aerospace series - Cables, electrical, for general purpose - Operating temperatures between - 55 OC and 200 OC - Part 003 : Ink jet printable - Product standard 2, Aerospace series - Cables,
11、electrical, single and multicore for general purpose - Operating temperatures between - 55 OC and 200 OC - Part 002 : Screened and jacketed - General 2, Aerospace series - Quality assurance - EN aerospace products - Qualification procedure EN 3475-100* Aerospace series - Cables, electrical, aircraft
12、 use - Test methods - Part 100 : EN 3838 Aerospace series - Requirements and tests on user-applied markings on aircraft General 2, electrical cables 2, 3 Definitions and symbols See EN 3475-100 4 Materials and construction 4.1 Materials These cables shall consist of the following : - cores according
13、 to EN 2266-003, top coat dispersion fluorocarbon; - number of cores 1 to 4. 2 to 4-core cables shall be spiral screened twisted together according to EN 2235. Filler cores shall not be permitted. * 1) Published as AECMA Standard at the date of publication of this standard 2) Published as AECMA Pres
14、tandard at the date of publication of this standard And all its parts quoted in table 2 Previous page is blank Page 4 prEN 271 3-004 : 1995 Screen : - nickel-plated copper stranded braid; - for dimensions of strands, see table 1 ; - material according to EN 2083, tests according to EN 3475-100; - co
15、nstruction according to EN 2235. Outer jacket : - layer of polyimide with total wall thickness (nominal value) of 30 pm, coated on both sides with a layer 2,5 pm thick of fluorocarbon; - direction of winding immaterial - overlap 67 % min. ; or two layers - winding direction of first immaterial, over
16、lap 51 % min. and second layer in opposite direction with 20 % min. overlap; - top coat of dispersion fluorocarbon, wall thickness 15 pm min. including the necessary additives for the acceptance of user-applied ink jet marking. 4.2 Construction See EN 2083 and table 1 Table 1 Uumber )f cores 3 4 Cod
17、e for nominal section O0 1 002 004 006 o1 o 012 020 030 050 051 1 O0 1 002 004 006 o1 o o1 2 020 030 050 051 1 O01 002 004 006 o1 o o1 2 020 030 O0 1 002 004 006 o1 o o1 2 020 Nominal section mmz Oll 5 0,25 O,4 016 1 112 2 3 5 5 0,15 0,25 o14 O, 6 1 112 2 3 5 5 0,15 0,25 0,6 1 It2 2 3 0,15 0,25 0,4
18、0,6 1 112 2 0,4 AWG 2, 26 24 22 20 18 16 14 12 10 10 26 24 22 20 18 16 14 12 10 10 26 24 22 20 18 16 14 12 26 24 22 20 18 16 14 hear resistance at 20 OC O/km max. 160,O 114,O 60,O 33,2 21,l 14,5 10,9 68 4,2 4,1 165,OO 1 17,OO 61,70 34,l O 21,70 14,90 11,20 6,99 4,32 4,22 165,OO 1 17,OO 61,70 34,l O
19、21,70 14,90 11,20 6,99 165,O 117,O 61,7 34,l 21,7 14/9 11,2 Screen wire nominal diameter mm 0,08 0,08 0/10 0/10 0/10 0,lO 0,lO 0,lO 0,12 0,12 0,lO 0,l o 0/10 Oll o 0,lO 0,12 0,12 0,15 Oll 5 Oll 5 0,lO 0,lO 0/10 0,lO 0,12 0/12 0/12 0,15 0,lO 0,lO 0,lO 0,12 0,12 Oll 2 0.1 5 External diameter 1,45 1,55
20、 1,76 2,04 2,29 2,55 2,80 3,35 4,05 4,20 2/34 2,54 2,84 3,38 3,90 4/50 5,04 6,11 7,50 7,60 2,49 2/70 3,05 3,61 4,21 4,79 5,34 6,60 2,71 2,93 3,31 4,00 4,61 5,22 6,00 52 62 8,7 12,5 16,7 21,7 27,3 40,4 63,8 66,0 10,1 12,0 15,5 22,5 31,3 43,0 55,3 84,7 126,0 131 ,O 13,2 15,9 21 ,o 31,3 45,6 60,6 77,0
21、122,0 15,8 19,5 26,0 41,2 57,0 75,6 102,4 1) Flexible construction which may be used as an alternative 2) AWG = Closest American Wire Gage STD-AECMA PREN 2713-004-ENGL 1995 m 1012311 00127bA OLiT = Page 5 prEN 2713-004 : 1995 4.3 See EN 271 3-002 Colour coding of cores and jacket 5 Required characte
22、ristics According to EN 2235 and EN 3475-100 See table 2 Table 2 EN 3475- I Test Details 201 I rlisual examination Applicable 202 I Mass Ar.wlicable ; see table 1 +i 302 Applicable ; see table 1 Applicable ; see table 1 Xnensions 3ectrical resistance per unit length doltage proof test Applicable 303
23、 Insulation resistance Applicable 304 Surface resistance Amlica ble 305 3verload resistance Accelerated ageing Not applicable Applicable Temperature (250 f 5) OC Applicable Temperature (250 f 5) OC Maximum shrinkage at each end of cable : jacket 2 mm, core insulation, see EN 2266-003 40 1 402 Shrink
24、age and delamination 403 Delamination and blocking Applicable Temperature (250 k 5) OC 404 Thermal shock Applicable Temperature (250 f 5) OC Maximum shrinkage at each end of cable : jacket 2 mm, core insulation, see EN 2266-003 Applicable Applicable Applicable Extinguishing time : 3 s max. Not appli
25、cable 405 406 Bending at ambient temperature Cold bend test FI am ma bility 407 408 Fire resistance 409 Air-excluded ageing Not applicable 41 O Thermal endurance Applicable 40 O00 h (temperature 200 OC) 41 1 Resistance to fluids Awlicable 501 Not applicable Dynamic cut-through Notch propagation 502
26、Applicable Notch depth : 40pm (continued) I STD-AECMA PREN 27L3-004-ENGL I995 1012311 00L27b7 Tab EN 3475- Test 503 Scrape abrasion Page 6 prEN 2713-004 : 1995 Details Applicable Test force on needle for cables 0,15 mm* to 0,60 mm2 = 8 N 1 ,O0 mm2 to 1,20 mrn2 = 10 N 2,OO mm2 to 5,OO mm2 = 12 N Tabl
27、e 2 (concluded) 509 601 602 Solderability Not applicable Smoke density Applicable Toxicity Applicable /Torsion 603 Resistance to wet arc tracking and Not applicable 604 Resistance to dry arc tracking and Not applicable 701 Strippability and adherence of Applicable 702 Braid screen pushback capabilit
28、y Applicable 703 Permanence of manufacturers Applicable electric arc propagation electric arc propagation insulation to the conductor marking 6 I Not applicable Tensile test on concentric Applicable conductors and strands I I 506 1 Plating continuity I Applicable I 507 1Adherence of plating I Applic
29、able I 508 I Platina thickness I Applicable 6 Quality assurance See EN 3042 7 Designation EXAMPLE : Identity block I EN271 3-004BOO2F Description block CABLE, ELECTRICAL Number of this standard Code letter for number of cores (see EN 2713-002, table 11 Code for nominal section (see table 11 Code let
30、ter for colour coding of cores and jacket (see EN 2713-002, tables 2 to 81 NOTE : If necessary, the code I9005 shall be placed between the description block and the identity block. STD-AECMA PREN 2713-004-ENGL 1975 W 1OL2311 0032770 7TA Page 7 prEN 2713-004 : 1995 8 Identification and marking See EN 271 3-002 9 See EN 2235 Packaging, labelling and delivery lengths 1 O Technical specification See EN 2235
