ASD-STAN PREN 4681-006-2014 Aerospace series Cables electric general purpose with conductors in aluminium or copper-clad aluminium Part 006 AZA family single and multicore assembly.pdf

1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4681-006 Edition P 1 April 2014 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Rue Montoyer 10 - 1000 Brussels - Tel. 32 2 775 8126 - Fax. 32 2 775 8131 - www.asd-stan.org ICS: Descriptors: ENGLISH VERSION

2、 Aerospace series Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium Part 006: AZA family, single and multicore assembly, for use in low pressure atmosphere Product standard Srie arospatiale Cbles, lectriques, dusage gnral, avec conducteurs en aluminium ou en al

3、uminium chemis cuivre Partie 006: Famille AZA, fil simple et lments assembls, pour emploi en basse pression Norme de produit Luft- und Raumfahrt Elektrische Leitungen, zur allgemeinen Verwendung, mit Leitern aus Aluminium oder kupferbeschichtetem Aluminium Teil 006: AZA-Familie, ein- und mehradrige

4、Leitungen, zur Anwendung bei niedrigem Luftdruck Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of the European Aerospace Industry. It

5、 has been technically approved by the experts of the concerned Domain following member comments. 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 th

6、e standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN national members have then to implem

7、ent the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 1st April 2014 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Cop

8、yright 2014 by ASD-STAN prEN 4681-006:2014 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms, definitions and symbols . 3 4 Materials and construction . 3 5 Required characteristics . 5 6 Quality assurance 7 7 Designation 7 8 Identification and marking 8 9 Packaging, labellin

9、g and delivery lengths 8 10 Technical specification . 8 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard ha

10、s received approval for Publication. prEN 4681-006:2014 (E) 3 1 Scope This standard specifies the characteristics of electrical wires AZA family for use in the on board: 115 V (phase to neutral) or 200 V (phase to phase) electrical network of aircraft. 230 V (phase to neutral) or 400 V (phase to pha

11、se) electrical network of aircraft and particularly use in non-pressurized areas. This cable family is used at operating temperature between 65 C and 180 C. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its

12、application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 3719, Aerospace series Alumin

13、ium or aluminium alloy conductors for electrical cables Product standard EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables EN 4681-001, Aerospace series Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium Part

14、 001: Technical specification EN 4681-002, Aerospace series Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium Part 002: General EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts TR 6058, Aerospace series C

15、able code identification list 1)3 Terms, definitions and symbols For the purposes of this document, the terms, definitions and symbols given in EN 3475-100 apply. 4 Materials and construction 4.1 Materials Conductor: These cable conductors shall be made of: Nickel plated aluminium alloy according to

16、 EN 3719 for 280 to 850 section codes. *All its parts quoted in this standard. 1) Published as ASD-STAN Technical Report at the date of publication of this standard. http:/www.asd-stan.org/ prEN 4681-006:2014 (E) 4 Insulation: All size codes shall be defined to satisfy all required characteristics o

17、f Clause 5. The use of foamed insulation material is forbidden. To minimize partial discharges effect: size and number of cavities (gas trap) inside the insulation shall be as low as possible, at minimum bend radius there shall be no wrinkles outside the insulation (EN 3475-405). Minimum bend radius

18、 shall be in accordance with bending diameter given in Table 4 of the technical specification EN 4681-001. 4.2 Construction See EN 3719 and Table 1. Table 1 Code for nominal section Nominal section AWG aElastic limit bBreaking load bLinear resistance at 20 C External diameter Mass N N /km mm mm kg/k

19、m mm2min. min. max. min. max. max. 280 28 3 1,18 7,5 8,4 109 420 42 1 0,75 9,3 10,2 175 680 68 00 0,43 12,1 13,0 271 aAWG: closest American Wire Gauge. bThe value is for the finished wire (conductor insulation). The elastic limit is defined as the elastic limit of the finished wire for a 0,2 % wire

20、elongation. 4.3 Number of cores See EN 4681-002, Table 1. See EN 4681-002, 5.2.1 for cabling. 4.4 Colour coding of cores See EN 4681-002. prEN 4681-006:2014 (E) 5 5 Required characteristics According to EN 4681-001 and EN 3475-100. See Table 2. Table 2 (1 of 3) EN 3475- Test Details 201 Visual exami

21、nation Applicable 202 Mass Applicable; see Table 1. 203 Dimensions Applicable; see 4.2 and Table 1. 301 Ohmic resistance per unit length Applicable with: immersion test 2,5 kV r.m.s (non delivered samples), dry spark test 2,5 kV r.m.s, dry impulse test 4,0 kV r.m.s. 302 Voltage proof test Applicable

22、 303 Insulation resistance Applicable 304 Surface resistance Applicable 305 Overload resistance Not applicable 306 Continuity of conductors Applicable 307 Corona extinction voltage Applicable prior to each delivery Method B at 45.000 feet (145 mbar) and 150 C PDIV 566 Vr.m.s. (800 V peak), PDEV 509

23、Vr.m.s. (720 V peak). 401 Accelerated ageing Applicable Temperature (230 5) C 402 Shrinkage and delamination Applicable Temperature (230 5) C Maximum shrinkage at each end of cable: 28 mm2to 34 mm2: 2,0 mm, 42 mm2to 68 mm2: 2,5 mm. 403 Delamination and blocking Applicable temperature (230 5) C 404 T

24、hermal shock Applicable but ( 65 2) C instead of (55 2) C Temperature (180 5) C Maximum shrinkage at each end of cable: 28 mm2to 34 mm2: 2,0 mm, 42 mm2to 68 mm2: 2,5 mm. 405 Bending at ambient temperature Applicable 406 Cold bend test Applicable Temperature ( 65 2) C 407 Flammability Applicable Exti

25、nguishing time: 3 s max. prEN 4681-006:2014 (E) 6 Table 2 (2 of 3) EN 3475- Test Details 408 Fire resistance Not applicable 409 Air-excluded ageing Not applicable 410 Thermal endurance (insulation) Applicable 10 000 h at 180 C with curve extrapolation 140 000 h at 150C with curve reading 411 Resista

26、nce to fluids Applicable 412 Humidity resistance Applicable Method B Temperature (95 5) C Duration 360 h 413 Wrap back test Applicable 414 Differential scanning calorimeter (DSC test) Applicable (only if PTFE in the construction) 415 Rapid change of temperature Not applicable 416 Thermal stability N

27、ot applicable 417 Fire resistance of cables confined inside a harness Not applicable 418 Thermal endurance for conductors Not applicable 501 Dynamic cut-through Not applicable 502 Notch propagation Applicable notch depth: 40 m 503 Scrape abrasion Applicable Test force on needle for cables 28 mm2to 6

28、8 mm2 15 N 504 Torsion Applicable T3 (180 5) C; T4 (230 5) C 505 Tensile test on conductors and strands Applicable 506 Plating continuity Applicable 507 Adherence of plating Applicable 508 Plating thickness Applicable (Test methods 4 and 5 are preferred) 509 Solderability Not applicable 510 Tensile

29、strength and elongation of extruded insulation, sheath and jacket material Not applicable 511 Cable-to-cable abrasion Not applicable 512 Flexure endurance Not applicable 513 Deformation resistance (Installation with plastic cable ties) Not applicable 514 Porosity of copper cladding on aluminium stra

30、nds Not applicable 601 Smoke density Applicable 602 Toxicity Applicable prEN 4681-006:2014 (E) 7 Table 2 (3 of 3) EN 3475- Test Details 603 Resistance to wet arc tracking Not applicable 604 Resistance to dry arc propagation Not applicable 605 Wet short circuit test Not applicable 701 Strippability a

31、nd adherence of insulation to the conductor Applicable 702 Screen pushback capability Not applicable 703 Permanence of manufacturers marking Applicable 704 Flexibility Applicable code Maximum force: 28 mm2: 15 N, 42 mm2: 24 N, 68 mm: 38 N. 705 Contrast measurement Not applicable 706 Laser markabilit

32、y Not applicable EN 3838 Laser marking Not applicable 6 Quality assurance See EN 9133. 7 Designation 7.1 Identification EXAMPLE Description block CABLE, ELECTRICAL Identity block EN4681-006A420K Number of this standard Code letter for number of cores (see EN 4681-002) Code for nominal section (see T

33、able 1) Code letter for colour coding of cores (see EN 4681-002) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. prEN 4681-006:2014 (E) 8 7.2 Type code (for short designation) Code designation in accordance with TR 6058, see Table 3. Table 3 EN

34、 reference Code designation Single core EN4681-006A AZA Multicore 2 cores EN4681-006B AZB 3 cores EN4681-006C AZC 8 Identification and marking See EN 4681-002. 9 Packaging, labelling and delivery lengths See EN 4681-001. 10 Technical specification See EN 4681-001, except the qualification cable size shall be 420.