1、- STD-AECMA PREN 22b7-007-ENGL 1999 L0123LL 00332311 686 Edition approved for publication 1999-1 2-31 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to AECMA Gulledelle 94 B-1200 BRUXELLES prEN 2267-007 Edition P 1 Decem ber 1999 PUBLISH
2、ED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - BI200 BRUXELLES - Tel. (+32) 2 775 81 1 O - Fax. (+32) 2 775 81 11 ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Cables, electrical, for general purpose Operating tem peratu res between - 55 OC and 260 OC Part
3、 007: DMA family, single ink-jet printable and multicore assembly Product standard Srie arospatiale Cables, lectriques, dusage gnral Tempratures de fonctionnement comprises entre - 55 “C et 260 OC Partie 007: Famille DMA, fil simple marquable au jet dencre et lments assembls Norme de produit Luft- u
4、nd Raumfahrt Leitungen, elektrisch, fr allgemeine Verwendung Betriebstemperaturen zwischen - 55 “C und 260 OC Teil 007: DMA-Familie Ein-und mehradrige Leitungen ink-jet bedruckbar Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Associ
5、ation of Aerospace Industries). It is published on green paper for fhe needs of AECMA- Members. It has been technically approved by the experts of the concerned Technical Commitee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shal
6、l not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submi
7、tted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. -Technopolis 54 - 199. rue Jean-Jaques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX C2 Chairman Mr Peuetta STDmAECMA PREN 22b7-007-ENGL 1997 = LOL23Ll 0037
8、272 512 Page 3 prEN 2267-007: 1999 1 Scope This standard specifies the characteristics of ink jet printable electrical lightweight cables DMA family for use in the on-board electrical systems of aircraft at operating temperatures between -55 “C and 260C. Nevertheless, if needed, - 65 “C is also acce
9、ptable as shown by cold test. It shall also be possible to mark these cables by qualified compatible marking. These markings shall satisfy the requirements of EN 3838. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These n
10、ormative references are cited at the appropriate places in the text and the publications are listed hereafter. For 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 r
11、eferences the latest edition of the publication referred to applies. EN 2084 EN 2235 EN 2267-002 EN 3042 EN 3475-1 00 EN 3838 EN 4434 Aerospace series - Electric cables for general purpose with conductors in copper or copper alloy - Technical specification 1) Aerospace series - Cables, electrical, s
12、ingle and multicore, screened and jacketed - Technical specification Aerospace series - Cables, electrical, for general purpose - Operating temperatures between - 55 “C and 260 “C - Part 002: General 2) Aerospace series - Quality assurance - EN aerospace products - Qualification procedure Aerospace
13、series - Cables, electrical, aircraft use - Test methods - Part 100: General 2) Aerospace series - Requirements and tests on user-applied markings on aircraft electrical cables 2) Aerospace series - Copper and copper alloy lightweight conductors for electrical cables 3) 3 Definitions and symbols See
14、 EN 3475-100. - 4 Materials and construction 4. I Materiais Conductor: These cable conductors shall be made of copper or copper alloy and nickel plated according to EN 4434 code D. * And all its parts quoted in table 3 1) Published as AECMA Standard at the date of publication of this standard 2) Pub
15、lished as AECMA Prectandard at the date of publication of this standard 3) In preparation at the date of publication of this standard - Previous page is blank Page 4 prEN 2267-007: 1999 Code O01 002 004 006 STD-AECMA PREN 2267-007-ENGL 3999 = 1iOIt2311 0017273 459 9 Ist tape 2nd tape Total minimum A
16、WG a Nominal thickness Min. Nominal thickness Min. sealed materia, average thickness Raw material % Raw material % overlap pm Pm overlap Pm i O0 26 65 67 24 56 67 - - 120 22 56 67 - - 120 20 76 67 - - 150 - - Insulation for all conductor size codes: - first insulation polyimide tape with total thick
17、ness (nominal value) of 30 pm, coated on both sides with a layer 2,5 pm thick of fluorocarbon; - direction of winding immaterial - overlap 51 % min.; - second insulation: one or two polytetrafluoroethylene (PTFE) tape) with thickness and overlap according to table 1, each tape running in opposite di
18、rection to the preceding layer. AWG a 26 24 22 20 18 16 14 12 10 8 6 Table 1 Linear resistance External diameter Mass n/km mm mm kglkm max. min. max. ma. 160,O 0,85 0,97 2,45 114,O 0,90 1 ,O4 3,lO 60,O 1 ,O5 1,19 4,43 33,2 1,38 133 7,73 21,l 1,65 I ,82 11,74 14,5 2,02 2,22 16,95 10,9 2,29 2,49 22,65
19、 618 2,73 2,97 33,70 481 3,33 3,61 53,l 2,3 4,47 4,77 95,6 1,58 5,70 6,30 141,4 at 20 OC Code for nominal section 4.2 Construction See EN 4434 and table 2. Nominal section mm2 O0 1 002 004 006 o1 o 012 020 030 051 O90 140 0,15 0,25 014 0,6 I 12 2 3 5 9 14 I a AWG = closest American wire Gage STDgAEC
20、MA PREN 22b7-007-ENGL 3999 LOL2333 0037274 395 Page 5 prEN 2267-007: I999 EN 3475- Test Details 20 1 Visual examination Applicable 4.3 Number of cores See EN 2267-002. See EN 2235 9 4.3.2 for cabling. 30 1 302 303 4.4 Colour coding of cores See EN 2267-002. Electrical resistance per unit length Volt
21、age proof test Applicable Applicable; see table 2 Insulation resistance ADDlicable 5 Required characteristics 304 305 40 1 402 According to EN 2084 and EN 3475-100 See table 3. Surface resistance Applicable Overload resistance Applicable Accelerated ageing Applicable Shrinkage and delamination Appli
22、cable Tq = (310 f 5) “Ci T2 = (450 f 5) “C Temperature (310 f 5) “C Temperature (290 f 5) “C Maximum shrinkage at each end of cable: 0,15 mm2 to 0,60 mm: 0,80 mm I ,OO mm2 to I ,20 mm: I ,OO mm 2,OO mm2 to 5,OO mm: 1,20 mm 9 mm2: 1,5 mm 14 mm2: 2.0 mm Table 3 405 406 407 408 Bending at ambient tempe
23、rature Applicable Cold bend Applicable Flammability Applicable Fire resistance Not aDDlicable Temperature (- 65 f 2) “C Extinguishing time: 3 s max. 203 I Dimensions 1 Applicable; see tables 1 and 2 I 1 403 I Delamination and blockina I ADDlicable temDerature (31 O I 5) “C 404 Thermal shock Applicab
24、le but (- 65 5 2) “C instead of (55 k 2) “C Temperature (260 15) “C Maximum shrinkage at each end of cable: 0,15 mm2 to 0,60 mm: 0,80 mm I ,OO mm to 1,20 mm2: I ,OO mm 2,OO rnm2 to 5,OO mm: 1,2 mm 9 mm: 1,5 mm 14 mm: 2,O mm 409 I Air excluded ageing I Nt applicable I 1 continued) Page 6 I STD.AECMA
25、PREN 22b7-007-ENGL 3999 30323LL 0037275 22L Applicable notch deDth: 40 um prN 2267-007: 1999 41 O Table 3 (continued) Thermal endurance I EN3475- I 413 41 4 Test Wrap back test Differential scannina calorimeter test 502 503 504 I I Resistance to fluids I 41 1 Notch propagation Scrape abrasion Torsio
26、n I 412 505 Humidity resistance T3 = (260 f 5) “Ci T4 = (310 f 5) “C Tensile test on conductors and Applicable 506 507 508 I I 50 1 I Dynamic cut-through strands Plating continuity Applicable Adherence of plating Applicable Plating thickness Applicable 601 602 Details weight 0,9 daN - 1 O00 cycles S
27、moke density Applicable Toxicity Applicable Applicable 60 O00 h (temperature 260 OC) Applicable Applicable Method B -temperature (95 f 5) “C Duration 360 h Applicable Applicable Applicable Temperatures (20 f 3) “C and (260 f 5) “C Nominal section mm 0,151 0,25 0,40 0,60 1 ,o0 1,20 2,OO 3,OO 5,OO 9,o
28、o 14.00 Cut-through force 20 “C N 70 85 110 140 140 150 150 165 180 195 21 o 260 “C N 15 30 45 55 70 85 95 105 120 135 150 Applicable Test force on needle for cables 0,15 mm2= 5 N 0,25 mm2 to 0,60 mm2 = 8 N I ,OO mm2 to I ,20 mm2 = I O N 2,00 mm2 to ,OO mm2 = 12 N 14,OO rnm2 = 15 N Applicable Solder
29、ability Tensile strength and elonaation Cable to cable abrasion Flexure endurance Not applicable Not applicable Applicable code 006 0,6 mm2, weight 2,5 daN - 2 800 O00 cycles Applicable code 006 0,6 mm2, mandrel 4 15 mm STD-AECMA PREN 22b7-007-ENGL 13Iq LOl123Ll 001727b Iba Page 7 prEN 2267-007: 199
30、9 603 Table 3 (concluded Resistance to wet arc tracking 604 Resistance to dry arc propagation 605 Wet short circuit test 701 702 703 704 Stnppability and adherence of insulation to the conductor Braid screen pushback capability Permanence of manufacturers marking Flexibility 6 Quality assurance See
31、EN 3042. 705 706 Details Applicable or apply test EN 3475-605 as an alternative Wire damage 5 70 mm 75 % of collateral wires shall pass the wet dielectric voltaae woof test (EN 3475-302) Contrast measurement Laser markability Applicable Wire damage s 70 mm 75 % of collateral wires shall pass the wet
32、 dielectric voltacie proof test (EN 3475-302) Description block CABLE, ELECTRICAL Applicable or apply test EN 3475-603 as an alternative Wire damage 5 70 mm Applicable Identity block EN2267-007AOLOP Not aDPlicable IT Number of this standard Code letter for number of cores (see EN 2267-002, table 1)
33、Applicable Applicable code 030 to code 140 Maximum force - 3,OO mmz: 8 N - 5,OO mm: 9 N - 9 mm2: 10 N -14 mm: Il N Not applicable Not applicable 7 Designati on EXAMPLE: STD.AECMA PREN 2267-007-ENGL 3999 M 30L2333 0037277 OTlr Page 8 prEN 2267-007: 1999 8 Identification and marking See EN 2267-002. 9 See EN 2084. Packaging, labelling and delivery lengths 10 Technical specification See EN 2084 and EN 2235.
