ASD-STAN PREN 4681-001-2015 Aerospace series Cables electric general purpose with conductors in aluminium or copper-clad aluminium Part 001 Technical specification (Edition P 2).pdf

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1、ASD-STAN STANDARD NORME ASD-STAN ASD-STAN NORM prEN 4681-001 Edition P 2 December 2015 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、 February 2011 and will supersede EN 4681-001:2012 Descriptors: ENGLISH VERSION Aerospace series Cables, electric, general purpose, with conductors in aluminium or copper-clad aluminium Part 001: Technical specification Luft- und Raumfahrt Elektrische Leitungen, zur allgemeinen Verwendung, mit Leite

3、rn aus kupferbeschichtetem Aluminium Teil 001: Technische Lieferbedingungen Srie arospatiale Cbles lectriques, dusage gnral, avec conducteurs en aluminium ou en aluminium chemis cuivre Partie 001 : Spcification technique This “Aerospace Series“ Prestandard has been drawn up under the responsibility

4、of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). 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 Prest

5、andard, the technical content shall not be changed to an extent that interchangeability 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)

6、 to CEN (European Committee for Standardization) for formal vote and transformation 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 t

7、he EN. Edition approved for publication 1st December 2015 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2015 by ASD-STAN prEN 4681-001:2015 (E) 2 Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Terms, definitions, symbol

8、s and abbreviations . 4 4 Materials and construction of cables 4 5 Required characteristics . 4 6 Tests methods 4 7 Quality assurance 9 8 Identification marking .11 9 Packaging, labelling and delivery lengths 11 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Ele

9、ctrical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received approval for Publication. prEN 4681-001:2015 (E) 3 1 Scope This standard specifies the characteristics, test methods, qualification a

10、nd acceptance conditions of single and multicore electric cables for general purpose with conductors in aluminium or copper-clad aluminium, intended for installation in aircraft electrical systems. The insulation of these cables is designed to withstand aircraft voltages at a frequency not exceeding

11、 2 000 Hz. Unless specified by individual product standards the maximum demonstrated voltage of rating of these cables is ac 115 V rms phase to neutral and 200 V rms phase to phase and 28 V dc. They are divided into types, the characteristics of which are given in the product standards. Unless other

12、wise specified in the product standard, the tests defined in this standard apply. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For unda

13、ted references, the latest edition of the referenced document (including any amendments) applies. EN 3475-100 (all parts), Aerospace series Cables, electrical, aircraft use Test methods Part 100: General EN 3719, Aerospace series Aluminium or aluminium alloy conductors for electrical cables Product

14、standard EN 3838, Aerospace series Requirements and tests on user-applied markings on aircraft electrical cables EN 4651, Aerospace series Copper-clad aluminium alloy conductors for electrical cables Product standard EN 4681-002, Aerospace series Cables, electric, general purpose, with conductors in

15、 aluminium or copper-clad aluminium Part 002: General EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 2574, Aircraft Electrical cables Identification marking TR 4648, Aerospace series Cable, electrical Re-qualification following changes i

16、n design, material or manufacturing process 1) TR 4684, Aerospace series Electrical technology and component definition 2) 1) Published as ASD-STAN Technical Report at the date of publication of this standard. http:/www.asd-stan.org/ 2) In study at the date of publication of this standard. prEN 4681

17、-001:2015 (E) 4 3 Terms, definitions, symbols and abbreviations For the purposes of this standard, the terms, definitions, symbols and abbreviations given in EN 3475-100 or TR 4684 apply. 4 Materials and construction of cables Conductors They shall conform to EN 4651 or EN 3719 unless otherwise spec

18、ified. Finished cables The insulation material shall present a uniform circular cross-section throughout the length of the cable. Covering over the insulation shall be treated and applied in such a manner that the cables present a smooth appearance and are able to accept marking. All materials used

19、shall have no corrosive effect upon the conductors and shall not be susceptible to attack by mould or other micro-organisms. 5 Required characteristics The characteristics of the cables, tested according to the methods described hereafter shall comply with the values given in the product standard. 6

20、 Tests methods See Table 1a for single core cables and Table 1b for multicore cables without jackets. prEN 4681-001:2015 (E) 5 Table 1a Tests: methods, application, requirements Single core cables (1 of 4) No. Tests Requirements (and/or particulars) Description EN 3475- (and/or particulars) Qualific

21、ationa (7.1) First article (7.1.4)Each delivery Periodic everythreeyears(7.2.4) Onallcables (7.2.1and 7.2.2) Priortodelivery(7.2.1and 7.2.3) 6 Test conditions 100 X X X X X 6.1 Visual examination 201 3 X X Marking: according to Clause 8 6.2 Mass 202 3 X X Minimum length: 0,5 m 6.3 Dimensions (all) 2

22、03 3 X X Conductor: according to concerned EN standard, unless otherwise specified outer diameter X Product standard 6.4 Electrical resistance per unit length 301 3 X X Product standard 6.5 Voltage proof test: 302 3 X immersion test; dry test; or dry impulse test. Alternative to dry test X X 2,5 kV

23、rms 5 kV rms 8 kV peak voltage 6.6 Insulation resistance 303 3 X For a length of 1 km: at 20 2 C at 95 2 C X X 1 500 Mminimum 15 Mminimum 6.7 Surface resistance 304 3 Minimum: 1 250 M mm 6.8 Overload resistance 305 T1 and T2: product standard 3 X Applicable to cable of 0,6 mm2 only 6.9 Continuity of

24、 conductors 306 1 X X 6.10 Corona extinction voltage 307 X X X Applicable for cables rated above 200 V rms 6.11 Accelerated ageing 401 Mandrel diameter and test load: Table 4 Temperature: product standard 3 X X Include UV laser marked specimen for qualification 6.12 Shrinkage and delamination 402 Te

25、mperature: product standard 3 X X Product standard 6.13 Delamination and blocking 403 Mandrel diameter: Table 4 Temperature: product standard 3 X X prEN 4681-001:2015 (E) 6 Table 1a Tests: methods, application, requirements Single core cables (2 of 4) No. Tests Requirements (and/or particulars) Desc

26、ription EN 3475- (and/or particulars) Qualificationa (7.1) First article (7.1.4)Each delivery Periodic everythreeyears(7.2.4) Onallcables (7.2.1and 7.2.2) Priortodelivery(7.2.1and 7.2.3) 6.14 Thermal shock 404 Temperature: product standard 3 X Product standard 6.15 Bending at ambient temperature 405

27、 Mandrel diameter: Table 4 3 Include UV laser marked specimen for qualification 6.16 Cold bend test 406 Mandrel diameter and test load: Table 4 3 X 6.17 Flammability 407 3 X Product standard 6.18 Fire resistance 408 Not applicable 6.19 Air-excluded ageing 409 Temperature and time: product standard N

28、ot applicable (unless included in the product standard) 6.20 Thermal endurance 410 X Product standard Applicable to cable of 0,6 mm2 only 6.21 Resistance to fluids 411 Per fluid tested 1 X Applicable to cable of 0,6 mm2 which has been UV laser marked 6.22 Humidity resistance 412 Method B: temperatur

29、e and time: product standard 3 X Method A or B as requested in product standard 6.23 Wrap back test 413 3 X X X Applicable to cables 5 mm2 6.24 Differential scanning calorimeter (DSC test) 414 3 X X 6.25 Rapid change of temperature 415 Not applicable 6.26 Thermal stability 416 Not applicable 6.27 Fi

30、re resistance inside harness 417 Not applicable 6.28 Conductor thermal endurance 418 X Size 006 unless specified in the product standard 6.29 Dynamic cut-through 501 (for insulation wall thickness 0,38 mm) 3 X X Product standard arithmetic mean value of eight (8) tests per specimen. Applicable to ca

31、bles 14 mm2 prEN 4681-001:2015 (E) 7 Table 1a Tests: methods, application, requirements Single core cables (3 of 4) No. Tests Requirements (and/or particulars) Description EN 3475- (and/or particulars) Qualificationa (7.1) First article (7.1.4)Each delivery Periodic everythreeyears(7.2.4) Onallcable

32、s (7.2.1and 7.2.2) Priortodelivery(7.2.1and 7.2.3) 6.30 Notch propagation 502 Cut depth: product standard 3 X X 6.31 Scrape abrasion 503 Load: product standard 3 X X Requirements to be considered at 20 C unless otherwise specified 6.32 Torsion 504 Test load: Table 4 T3 and T4: product standard 3 X A

33、pplicable to cables 5 mm2 6.33 Tensile strength on conductors and strands 505 3 X According to concerned EN product standard, unless otherwise specified 6.34 Plating continuity 506 3 X Applicable, unless otherwise specified 6.35 Adherence of plating 507 3 X Applicable, unless otherwise specified 6.3

34、6 Plating thickness 508 3 X According to concerned EN product standard, unless otherwise specified 6.37 Solderability 509 3 X Product standard 6.38 Tensile strength and elongation of extruded insulation, sheath and jacket material 510 4 X Product standard 6.39 Cable to cable abrasion 511 Mass: produ

35、ct standard 1 X Product standard 6.40 Flexure endurance 512 Mandrel diameter and mass: product standard 3 X Product standard 6.41 Deformation resistance 513 Not applicable 6.42 Porosity of copper cladding 514 3 X Product standard 6.43 Crush resistance 515 Not applicable 6.44 Smoke density 601 3 Prod

36、uct standard 6.45 Toxicity 602 3 Product standard 6.46 Resistance to wet arc tracking 603 X Product standard prEN 4681-001:2015 (E) 8 Table 1a Tests: methods, application, requirements Single core cables (4 of 4) No. Tests Requirements (and/or particulars) Description EN 3475- (and/or particulars) Q

37、ualificationa (7.1) First article (7.1.4)Each delivery Periodic everythreeyears(7.2.4) Onallcables (7.2.1and 7.2.2) Priortodelivery(7.2.1and 7.2.3) 6.47 Resistance to dry arc propagation 604 X Product standard 6.48 Wet short circuit test 605 X Product standard 6.49 Strippability and adherence of ins

38、ulation to the conductor 701 3 X X Minimum adherence force according to Table 5. 6.50 Braid screen pushback capability 702 Not applicable 6.51 Permanence of manufacturers marking 703 3 X X 6.52 Flexibility 704 2 X Product standard 6.53 Permanence of user-applied marking EN 3838 705 X X Include UV la

39、ser marked specimen for qualification Contrast measurement Laser parameters 706 X X X Product standard X Test applicable single sample to be tested. a Number of specimens per cross-section for each test unless otherwise specified. prEN 4681-001:2015 (E) 9 Table 1b Tests: methods, application, requir

40、ements Multicore cables No. Tests Requirements (and/or particulars) Description EN 3475- (and/or particulars) Qualificationa (7.1) First article (7.1.4)Each delivery Periodic everythreeyears(7.2.4) Onallcables (7.2.1and 7.2.2) Priortodelivery(7.2.1and 7.2.3) 6 Test conditions 100 X X X X X 6.54 Visu

41、al examination 201 3 X X Marking: according to Clause 8 6.55 Mass 202 3 X X Minimum length: 0,5 m 6.56 Dimensions (all) 203 3 X X Conductor: according to concerned EN standard, unless otherwise specified outer diameter X Product standard 6.57 Electrical resistance per unit length 301 3 X X Product s

42、tandard 6.58 Voltage proof test : 302 3 X immersion test; dry test; or dry impulse test. Alternative to dry test X X 2,5 kV rms 5 kV rms 8 kV peak voltage 6.59 Insulation resistance 303 3 X For a length of 1 km: at (20 2) C at (95 2) C X X 1 500 Mminimum 15 Mminimum X Test applicable single sample t

43、o be tested. a Number of specimens per cross section for each test unless otherwise specified. 7 Quality assurance Qualification 7.1.1 General requirements See EN 9133. 7.1.2 Qualification conditions The cables shall be submitted for qualification tests on drums, spools or in coils in sufficient len

44、gths, wound evenly and uniformly. Each drum, spool or coil shall have a label containing information given in 9.1. prEN 4681-001:2015 (E) 10 7.1.3 Qualification tests See Tables 1a and 1b. 7.1.4 First article inspection tests The first article inspection tests are to be carried out on all cable desi

45、gns that were not included in the qualification demonstration. See Tables 1a and 1b. 7.1.5 Extension of qualification The qualification granted may be applicable to adjacent cross-sections in accordance with Table 2. Table 2 Qualified cables and extension of qualification Qualified cables Cables cov

46、ered by the same qualification Nominal cross-section AWG a Nominal cross-section AWG a mm2 mm2 0,25 24 0,25 24 0,6 20 0,4 to 1 22 to 18 2 14 1,2 to 5 16 to 10 9 8 9 to 22 8 to 4 42 1 28 to 107 3 to 0 000 a AWG Closest American Wire Gage. For cross sections that do not list the demonstration cable si

47、ze or those in the sizes 9 mm2 to 107 mm2, different reference cross-section may be selected after agreement with the Mandated Body. Acceptance tests 7.2.1 Required conditions 7.2.1.1 General See Tables 1a and 1b. The acceptance tests shall be carried out on cables delivered against an order to chec

48、k that the cable characteristics are maintained. 7.2.1.2 Tests to be carried out on all cables The cables which fail any of the tests specified in 7.2.2 shall be rejected. 7.2.1.3 Random sampling tests: retest If any of the specimens fails one of the tests specified in 7.2.3, that test shall be repeated on another set of specimens of the same cross-section selected at random from the same batch. If one of these new specimens fails the test, the batch submitted for acceptance shall be rejected. prEN 4681-001:2015 (E) 11 7.2.2 Production routine tests The tests shall be carried ou