ASD-STAN PREN 4681-006-2016 Aerospace series Cables electric general purpose with conductors in aluminium or copper-clad aluminium Part 006 AZA family single and multicore assembly.pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4681-006 Edition P 2 October 2016 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: Supersedes edition P 1 of

2、April 2014 and will supersede EN 4681-006:2015 Descriptors: ENGLISH VERSION 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 Luft- und Rau

3、mfahrt Elektrische Leitungen, zur allgemeinen Verwendung, mit Leitern aus Aluminium oder kupferbeschichtetem Aluminium Teil 006: AZA-Familie, ein- und mehradrige Leitungen, zur Anwendung bei niedrigem Luftdruck Produktnorm Srie arospatiale Cbles, lectriques, dusage gnral, avec conducteurs en alumini

4、um ou en aluminium chemis cuivre Partie 006 : Famille AZA, fil simple et lments assembls, pour emploi en basse pression Norme de produit This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardiz

5、ation). It is published for the needs of the European Aerospace Industry. It 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 interchangeabil

6、ity is affected, physically or functionally, without re-identification of the 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

7、to full European Standard (EN). The CEN national members have then to implement 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. ASD-STAN Technical Committee approves that: “This document is published by AS

8、D-STAN for the needs of the European Aerospace Industry. The use of this standard is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” ASD-STAN reviews each standard and tech

9、nical report at least every five years at which time it may be revised, reaffirmed, stabilized or cancelled. ASD-STAN invites you to send your written comments or any suggestions that may arise. All rights reserved. No parts of this publication may be reproduced, stored in a retrieval system or tran

10、smitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of ASD-STAN. Order details: E-mail: salesasd-stan.org Web address: http:/www.asd-stan.org/ Edition approved for publication 1st October 2016 Comments should be sent w

11、ithin six months after the date of publication to ASD-STAN Electrical Domain Copyright 2016 ASD-STAN prEN 4681-006:2016 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms, definitions and symbols . 3 4 Materials and construction . 4 5 Required characteristics 5 6 Quality assur

12、ance 7 7 Designation . 8 8 Identification and marking 9 9 Packaging, labelling and delivery lengths 9 10 Technical specification . 9 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 ru

13、les of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4681-006:2016 (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) el

14、ectrical network of aircraft. 230 V (phase to neutral) or 400 V (phase to phase) 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 par

15、t, are normatively referenced in this document and are indispensable for its 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 1) Aerospace series Cables, electrical

16、, aircraft use Test methods Part 100: General EN 3719, Aerospace series Aluminium 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, electri

17、c, general purpose, with conductors in aluminium or copper-clad aluminium Part 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 Qu

18、alification Procedure for Aerospace Standard Products TR 6058, Aerospace series Cable code identification list 2) 3 Terms, definitions and symbols For the purposes of this document, the terms, definitions and symbols given in EN 3475-100 apply. 1) All its parts quoted in this Standard. 2) Published

19、as ASD-STAN Technical Report at the date of publication of this standard by AeroSpace and Defence industries Association of Europe - Standardization (ASD-STAN) (www.asd-stan.org) prEN 4681-006:2016 (E) 4 4 Materials and construction 4.1 Materials Conductor: These cable conductors shall be made of: N

20、ickel plated aluminium alloy (code D) according to EN 3719 for 280 to 850 section codes. Un-plated aluminium alloy (code A) according to EN 3719 for 280 to 850 section codes. Insulation: All size codes shall be defined to satisfy all required characteristics of Clause 5. The use of foamed insulation

21、 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 shall be in accordance with bending dia

22、meter 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 a Elastic limit b Breaking load b Linear resistance at 20 C External diameter Mass N N /km mm kg/km mm2 min. min. max. min. max. max. 280

23、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 a AWG: closest American Wire Gauge. b The 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 elongation. 4.3 Number of cores See E

24、N 4681-002, Table 1. See EN 4681-002, 5.2.1 for cabling. prEN 4681-006:2016 (E) 5 4.4 Colour coding of cores See EN 4681-002. 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 examination Applicable 202 Mass Applicable

25、; 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 303 Insulation resistance Applicable

26、 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 Vr.m.s. (720 V peak). 401 Accelerated

27、 ageing Applicable Temperature (230 5) C 402 Shrinkage and delamination Applicable Temperature (230 5) C Maximum shrinkage at each end of cable: 28 mm2 to 34 mm2: 2,0 mm, 42 mm2 to 68 mm2: 2,5 mm. 403 Delamination and blocking Applicable temperature (230 5) C 404 Thermal shock Applicable but ( 65 2)

28、 C instead of ( 55 2) C Temperature (180 5) C Maximum shrinkage at each end of cable: 28 mm2 to 34 mm2: 2,0 mm, 42 mm2 to 68 mm2: 2,5 mm. 405 Bending at ambient temperature Applicable prEN 4681-006:2016 (E) 6 Table 2 (2 of 3) EN 3475- Test Details 406 Cold bend test Applicable Temperature ( 65 2) C

29、407 Flammability Applicable Extinguishing time: 3 s max. 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 150 C with curve reading 411 Resistance to fluids Applicable 412 Hu

30、midity 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 Not applicable 417 Fire resistan

31、ce 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 mm2 to 68 mm2 15 N 504 Torsion Applica

32、ble T3 (180 5) C; T4 (230 5) C 505 Tensile test on conductors and strands Applicable For qualification: See EN 3719 for individual strand tensile strength and elongation requirements. Measurement shall be done on minimum 10 samples in total taken from the conductor in (5 samples) outer and (5 sample

33、s) inner layers. Median test results of inner and outer strand measurements shall be compliant with the EN 3719 requirements (including elongation). 506 Plating continuity Applicable Except for conductor with code A as per EN 3719. 507 Adherence of plating Applicable Except for conductor with code A

34、 as per EN 3719. prEN 4681-006:2016 (E) 7 Table 2 (3 of 3) EN 3475- Test Details 508 Plating thickness Applicable (Test methods 4 and 5 are preferred) Except for conductor with code A as per EN 3719. 509 Solderability Not applicable 510 Tensile strength and elongation of extruded insulation, sheath

35、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 strands Not applicable 601 Smoke density Applicable 602 Tox

36、icity Applicable 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 and adherence of insulation to the conductor Applicable 702 Screen pushback capability Not applicable 703 Permanence of

37、manufacturers marking Applicable 704 Flexibility Applicable code Maximum force: 28 mm: 15 N, 42 mm: 24 N, 68 mm: 38 N. 705 Contrast measurement Not applicable 706 Laser markability Not applicable EN 3838 Laser marking Not applicable 6 Quality assurance See EN 9133. prEN 4681-006:2016 (E) 8 7 Designa

38、tion 7.1 Identification EXAMPLE Description block CABLE, ELECTRICAL Identity block EN4681-006A420K1 A Number of this standard Code letter for number of cores (see EN 4681-002) Code for nominal section (see Table 1) Code letter for colour coding of cores (see EN 4681-002) Conductor material (see 4.1)

39、: - Blank: Nickel plated aluminium conductor (code D as per EN 3719) - 1: Un-plated aluminium alloy (code A as per EN 3719) Conductor construction (see Table 2 or 3 EN 3719): - Blank : Conductor with strand 0,51 mm - A : Conductor with strand 0,37 mm NOTE If necessary, the code I9005 shall be placed

40、 between the description block and the identity block. 7.2 Type code (for short designation) Code designation in accordance with TR 6058, see Table 3. Table 3 EN reference Code designation Single core EN4681-005A AZ Multicore 2 cores 3 cores EN 4681-006B EN 4681-006C AZB AZC prEN 4681-006:2016 (E) 9

41、 8 Identification and marking See EN 4681-002. For traceability perspective, in order to differentiate the cables with un-plated aluminium alloy (code A) conductor from nickel plated aluminium conductor (code D), the triangle symbol shall be added at the end of manufacturing marking (as per see Figu

42、re 1) for cable with un-plated aluminium alloy (code A) conductor only. See Figure 1. Cable marking for un-plated aluminium alloy conductor (code A) Cable marking for nickel plated aluminium alloy conductor (code D) Figure 1 Marking on cable 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.