1、STD-AECMA PREN 22bb-UU3-ENGL 1995 1012311 0012b04 U49 Edition approved for publication 1995-02-28 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRA
2、NCE C 2 Chairman M. Le Cunff prEN 2266-003 Edition P 1 February 1995 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Cabl
3、es, electrical, for general purpose Operating temperatures between - 55 OC and 200 OC Part 003 : Ink jet printable Product standard Srie arospatiale Luft- und Raumfahrt Cbles, lectriques, dusage gnral Tempratures de fonctionnement comprises entre - 55 OC et 200 OC Partie 003 : Marquables au jet denc
4、re Leitungen, elektrisch, fr allgemeine Verwendung Betriebstemperaturen zwischen - 55 OC und 200 OC Teil 003 : Tintenstrahl bedruckbar Norme de produit Produ ktnorm This “Aerospace Series Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matr
5、iel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee follo wing comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be chang
6、ed to an extent that interchangeability is affected, ph ysically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPSI and formal agreement of the Official Services of the Member countries it will be submitted as a dra
7、ft European Standard to CEM (European Committee for Standardization) for formal vote. STD-AECMA PREN 22bb-003-ENGL 1975 LOL23LL 0012b05 Ta5 Page 3 prEN 2266-003: 1995 1 Scope This standard specifies the characteristics of ink jet printable electrical cables for use in the on-board electrical systems
8、 of aircraft at operating temperatures between - 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 2084 EN 2266-002 EN 3042 EN 3475-100“ EN 3838 Copper and copper alloy conduct
9、ors for electrical cables - Aerospace series 1) Electric cables for general purpose with conductors in copper or copper alloy - Technical specification - Aerospace series Aerospace series - Cables, electrical, for general purpose - Operating temperatures between - 55 OC and 200 OC - Part 002 : Gener
10、al 2, Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace series - Cables, electrical, aircraft use - Test methods - Part 100 : General 2, Aerospace series - Requirements and tests on user-applied markings on aircraft electrical cables *) 3 Definitions an
11、d symbols See EN 3475-100. 4 Materials and construction 4.1 Materials Conductor : see EN 2266-002 * 1 ) Published as AECMA Standard at the date of publication of this standard 2) Published as AECMA Prestandard at the date of publication of this standard And all its parts quoted in table 2 Previous p
12、age is blank Page 4 prEN 2266-003: 1995 Code for nominal section O0 1 002 004 006 o1 o o1 2 020 030 050 051 1 Insulation : Nominal Linear resistance External Mass section AWG 2) at 20 OC diameter rnm2 R/krn mrn mm kg/km max. min. max. max. 0,15 26 160,O 0,75 0,84 2,oo 0,25 24 114,O 0,85 0,94 2,65 0,
13、4 22 60,O 0,96 1,09 3,90 0,6 20 33,2 1,20 1,34 6,55 112 16 14,5 1,65 1,84 13,90 2 14 10,9 1,90 2,lO 18,50 3 12 6,80 2,38 2,60 29,70 5 10 4,20 3,OO 3,19 46,50 5 10 4,lO 3,03 3,25 48,30 1 18 21 ,I 1,44 1,59 9,90 - first layer polyimide with total thickness (nominal value) of 30 pm, coated on both side
14、s with a layer 2,5 ,um thick of fluorocarbon; - direction of winding immaterial - overlap 51 % min.; - second layer polyimide with total thickness (nominal value) of 30 pm, coated on both sides with a layer 2,5 pm thick of fluorocarbon - running in opposite direction to first layer - overlap 51 % mi
15、n.; - top coat of dispersion fluorocarbon, wall thickness 10 pm min., including the necessary additives for the acceptance of user-applied ink jet marking. If these cables are required for use as cores in multicore cables, the top coat shall be of dispersion fluorocarbon. 4.2 Construction See EN 208
16、3 and table 1 Table 1 4.3 Number of cores See EN 2266-002 4.4 Colour coding of cores See EN 2266-002 5 Required characteristics According to EN 2084 and EN 3475-100 See table 2 Nominal Cut-through force section mm2 N N 0,15 70 50 0,25 a5 70 0,40 110 1 O0 O, 60 140 130 1 ,o0 140 130 1,20 150 140 2,oo
17、 150 140 3,OO 165 150 5.00 180 160 20 OC 200 oc Page 5 prEN 2266-003: 1995 Table 2 EN 3475- 201 202 203 30 1 302 303 304 305 Test Details Applicable Applicable ; see table 1 /sual examination dass Iimensions tlectrical resistance per unit length Applicable : see table 1 Applicable ; see table 1 Appl
18、icable Applicable Joltage proof test nsulation resistance Surface resistance herload resistance Applicable Applicable TI = (250 T7 = (400 f 5) OC Iccelerated ageing Applicable Temperature (250 f 5) OC Applicable Temperature (250 i 5) OC Maximum shrinkage at each end of cable : 0,15 mm2 to 0,60 mm2 :
19、 0,80 mm 1,OO mm2 to ,2O mm2 : 1,OO mm 2,OO mm2 to 5,OO mm2 : 1,20 mm r Shrinkage and delamination lelamination and blocking Applicable Temperature (250 k 51 OC Applicable Temperature (250 f 5) OC Maximum shrinkage at each end of cable 0,15 mm2 to 0,60 mm2 : 0,80 mm 1 ,O0 mm2 to 1,20 mm2 : 1 ,O0 mm
20、2,OO mm2 to 5,OO mm2 : 1,20 mm Applicable rhermal shock 3ending at ambient temperature ;old bend test Applicable Applicable Extinguishing time : 3 s max. -. -ire resistance Mr-excluded ageing Not applicable Not applicable Applicable 40 O00 h (temperature 200 OC) Applicable Thermal endurance aesistan
21、ce to fluids 501 Dynamic cut-through Applicable Temperatures (20 f 3) OC and (200 4 5) OC (continued) Table 2 (concluded) EN 3475- 502 Test Notch propagation 503 504 Scrape abrasion Torsion Tensile test on concentric 505 I conductors and strands 506 507 508 509 Plating continuity Adherence of platin
22、g Plating thickness Solderability 60 1 602 603 604 701 702 703 Smoke density Toxicity Resistance to wet arc tracking and electric arc propagation Resistance to dry arc tracking and electric arc propagation Strippability and adherence of insulation to the conductor Braid screen pushback capability Pe
23、rmanence of manufacturers marking Details Applicable Notch depth : 40pm Applicable Test force on needle for cables 0,15 mm2 = 5 N 0,25 mm2 to 0,60 mrn2 = 8 N 1,00 mm2 to 1,20 mm2 = 10 N 2,OO mrn2 to 5,OO mm2 = 12 N Applicable T3 = (200 k 5) OC ; T4 = (250 f 5) OC Applicable Applicable Applicable App
24、licable Not applicable Applicable Applicable Not applicable Not applicable Applicable Not applicable Applicable 6 Quality assurance See EN 3042. 7 Designation EXAMPLE : NOTE : If necessary, the code I9005 shall be placed between the description block and the identity block. - STD-AECMA PREN 22bb-003-ENGL 1995 LOL23LL ULZb09 b20 m Page 7 prEN 2266-003:1995 8 Identification and marking See EN 2266-002 9 See EN 2084 Packaging, labelling and delivery lengths 1 1 O Technical specification See EN 2084
