1、AECMA STANDARD NORME AECMA AECMA NORM 1 Nota -Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Comments should be sent within six months after the date of publication to Electrical Domain Edition approved for publication 29
2、November 2002 AECMA-STAN prEN 4604-006 Edition P 2 Novem ber 2002 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION Qk Gulledelle 94 - 8-1200 Brussels - Tel. + 32 2 775 81 10 - Fax. + 32 2 775 81 11 - www.aecma-stan.org ICs: 49.060 Descriptors: ENGLISH VERSION Supersede
3、s edition P 1 October 2001 Aerospace series Cable, electrical, for signal transmission Part 006: Cable, coaxial, 50 Ohms, 200 OC, type WM Product standard Srie arospatiale Luft- und Raumfahrt Cbles lectriques pour transmission de signaux Partie 006 : Cble, coaxial, 50 Ohms, 200 OC, type WM Elektrisc
4、he Leitungen fr Signalbertragungen Teil 006: Koaxialkable, 50 Ohm, 200 OC, Typ WM Norme de produit Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green p
5、aper 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 interchangeability is affected, ph
6、ysically or functionally, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. I I l Copyright 2002 O by AECMA-STA Page 2
7、prEN 4604-006: 2002 Contents I 2 3 4 4.1 4.2 4.3 4.4 5 6 7 8 8.1 8.2 9 Scope Normative references . Definitions . . Required characteristics Material, construction, dimensions and mass General characteristics . . Electrical characteristics Tests . Quality assurance . Designation . . Identification a
8、nd marking . Packaging and labelling . Technical specification . . Packaging, labelling and delivery lengths . Delivery lengths . Page 3 3 3 3 3 4 4 6 8 8 8 8 8 8 8 Page 3 prEN 4604-006: 2002 Conductor 1 Scope Material Finish Colour Single-strand copper per ASTM-B298-99 1 pm silver plated - This sta
9、ndard specifies the required characteristics of a coaxial cable, 50 Q, type WM, for use in aircraft electrical systems at operating temperature between - 55 “C and 200 “C and specially for high frequency up to 5 GHz. Dielectric Screen (foil) 2 Normative references Fluorocarbon dielectric with low ep
10、silon (PTFE) - - Tape, silver plated copper or silver alloy - - This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated refere
11、nces, 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 references the latest edition of the publication referred to applies. Jacket Extruded Fluorinated Ethylene Propylene (FEP) EN 34
12、75 * Aerospace series - Cables, electrical, aircraft use - Test methods 1) EN 3475-100 Aerospace series - Cables, electrical, aircraft use - Test methods - Part 100: General EN 4604-001 Aerospace series - Cable, electrical, for signal transmission - Part 001: Technical specification 1) EN 4604-002 A
13、erospace series - Cable, electrical, for signal transmission - Part 002: General 1) TR 6058 Aerospace series - Cable code identification list 2) ASTM-B-298:1999 Standard Specification for Silver-Coated Soft or Annealed Copper Wire 3) M IL-C-39012 Connectors, coaxial, radio frequency, general specifi
14、cation for 4) - Violet 3 Definitions For the purposes of this standard, the definitions given in EN 3475-1 O0 and the following apply. Epsilon (E): value of dielectric constant. 4 Req u red characteristics 4. I 4.1 .I Material Material, construction, dimensions and mass I I Shield I Braid, copper pe
15、r ASTM-B298-99 1 1 pm silver plated 1 - * All parts quoted in table 4 1) Published as AECMA Prestandard at the date of publication of this standard 2) Published as AECMA Technical Report at the date of publication of this standard 3) Published by: American Society for Testing and Materials (ASTM), 1
16、916 Race Street, Philadelphia, PA 19103, USA. 4) Published by : Department of Defence (DOD), the Pentagon, Washington D.C. 20301 USA Page 4 prEN 4604-006: 2002 Diameter mm min. nom. max. min. max. min. max. min. nom. max. 0,99 1,OZ 1,05 2,74 2,94 3,30 3,70 3,70 3,85 4,OO Conductor Dielectric Shield
17、Cable 4.1.2 Construction, dimensions and mass See figure 1 and table 2. Mass glm max. 35 Conductor Shield Jacket Dielectric Screen I l I ic, li Figure 1 - Construction Table 2 - Dimensions and mass in order to ensure mechanical integrity (connection strength as per MIL-C-39012) the minimum diameter
18、of the shielding strands shall be 0,lO mm. The dielectric diameter (min. - max.) shall be maintained during connection (after unwrapping screen). General characteristics Operating temperature: - 55 “C to 200 “C Minimum bend radius: - in static use: 25 mm - in dynamic use: 70 mm Performances are guar
19、anteed up to 5 GHz. Electrical characteristics Characteristic impedance: Zc = (50 rt 3) i2 Capacitance per unit length: Cp = 82 pFlm max. Transfer impedance up to 400 MHz: 20 mR/m max. Operating voltage: 750 V RMS max. Maximum power handling (at sea level): see table 3 and figure 2. Attenuation vers
20、us frequency: see table 3 and figure 2. Velocity of propagation: 0,81 c min. Page 5 prEN 4604-006: 2002 50 Frequency MHz Attenuation dB/1 OOm Power handling W 8 2 800 Table 3 - Frequency, Attenuation and power handling 1 O0 400 1 O00 5 O00 11,5 20,5 40 85 2 O00 1100 600 300 CABLE WM I E rn 5 O00 Ml2
21、.kt-n between conductor and shield Not atmlicable 305 I Overload resistance Not applicable I 402 I Shrinkage and delamination 1 Not applicable I 405 I Bending at ambient temperature I Not applicable I 406 Cold bend test Not applicable Applicable Load = 10 N Not applicable (407 - Flammability Fire re
22、sistance Air-excluded ageing 1409 Not applicable I 41 O I Thermal endurance I Not applicable Applicable Not amlicable I 413 Wrap backtest I Not applicable 414 Differential scanning calorimeter Not applicable Applicable Variation of capacitance: 5 % max. Increase of attenuation: 5 Oh max. Shrinkage:
23、13 mm max. 1“Specimen length (C,a): 20 m 41 5 Rapid change of temperature 41 6 Thermal stability Applicable Heat exposure temperature: 200 “C Variation of capacitance: 5 % max. Increase of attenuation: 5 % max. Variation of impedance: 3 % max. Shrinkage: 13 mm max. 3rd Specimen length (C,a): 20 m Ma
24、ndrel diameter: 50 mm. continued Page 7 prEN 4604-006: 2002 EN 3475- Table 4 (continued) Designation of the test Remarks Dynamic out-through Notch propagation I Not applicable Applica ble Cut depth 0,04 mm. 503 Scrape abrasion Applicable External sheath 1 O O00 cycles Load: 6 N Adherence of plating
25、Plating thickness Solderability Applicable Applica ble z 1pm Not applicable Tensile strength and elongation of extruded insulation, sheath and jacket material Cable to cable abrasion Not applicable Not applicable 512 51 3 601 602 Flexure endurance Applicable Load: 1,5 daN Mandrel diameter: 50 mm 500
26、 cycles Deformation resistance (Installation with Applicable plastic cable ties) Smoke density Applica ble Toxicity Applicable Strippability and adherence of insulation to the conductor Screen pushback capability Applicable 2,5 N to 73 N Applicable Not applicable Not applicable Applicable l v 2 243
27、O00 kmls Applicable I Zc = (50 f 3) l2 at 200 MHz. 705 Contrast measurement Torsion Not applicable 504 505 Applicable Elongation 2 IO % Tensile strenath 18 daN min. Tensile test on conductors and strands 506 I Platina continuity I Applicable 507 508 509 51 O 51 1 1-603 I Resistance to wet arc tracki
28、ng I Not applicable Resistance to dry arc propagation I Not applicable I 605 I Wet short circuit test I Not applicable 701 702 703 Permanence of manufacturers marking Applicable Except when marking on tape between shield and iacket 704 I Flexibility Applicable The force to crush the loop by 25 % sha
29、ll be 5 N maximum. Not amlicable 706 I Laser markability Not applicable Cp = 82 pFlm maximum Capacitance per unit length 805 Characteristic impedance I continued Page 8 prEN 4604-006: 2002 EN 3475- 806 807 808 Table 4 (concluded) Designation of the test Remarks Attenuation Applicable Transfer impeda
30、nce Applicable Crosstalk Notapplicable See 4.3, table 3, figure 2. Zt 20 mWm up to 400 MHz 5 Quality assurance See EN 4601-001. 6 Designation EXAMPLE: Description Block CABLE, COAXIAL I Identity Block I EN4604-006WM II Number of this standard Cable code (see TR 6058, table 28) NOTE If necessary, the
31、 code 19005 shall be placed between the description block and the identity block. 7 Identification and marking See EN 4604-002. 8 8.1 Packaging and labelling See EN 4604-001. Packaging, labelling and delivery lengths 8.2 Del very lengths Delivery on cable drum (about 175 metres) Minimum length of each piece: 50 metres 9 Technical specification I See EN 4604-001.
