1、ASD STANDARD NORME ASD ASD NORM prEN 3155-068 Edition P 1 August 2006 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.org ICS: 49.060 Descriptors: ENGLISH VERSION Ae
2、rospace series Electrical contacts used in elements of connection Part 068: Contacts, electrical, coaxial, size 08, female, type D, solder, class R Product standard Srie arospatiale Contacts lectriques utiliss dans les organes de connexion Partie 068 : Contacts, lectriques, coaxiaux, taille 08, feme
3、lles, type D, souder, classe R Norme de produit Luft- und Raumfahrt Elektrische Kontakte zur Verwendung in Verbindungselementen Teil 068: Elektrische koaxial Bshenkontackte Gre 08, Typ D, zum Lten, Klasse R Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of
4、 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 Prestan
5、dard, 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) t
6、o 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 the
7、 EN. Edition approved for publication 31 August 2006 Comments should be sent within six months after the date of publication to ASD-STAN Electrical Domain Copyright 2006 by ASD-STAN Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not
8、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:20062 Contents Page Foreword2 Introduction .3 1 Scope 3 2 Normative references 3 3 Terms and definitions .4 4 Required characteristics.4 4.1 Specific characteristics.4 4.2 Dimensions and mass.4 4.3 Marking
9、by colour code 5 4.4 Material, surface treatment.5 4.5 Permissible cables 6 4.6 Stripping of cables and wiring method .6 4.7 Tooling 8 4.8 Tests8 4.9 Gauge. 11 5 Designation . 12 6 Marking 12 7 Technical specification 12 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-
10、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 has received approval for Publication. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under li
11、cense with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:20063 Introduction The contact defined by this standard is derived and interchangeable with that of SAE-AS39029/59. 1 Scope This standard specifies the required characteristics, tests an
12、d tooling applicable to female coaxial electrical contacts, size 08, type D, solder, class R, used in elements of connection according to EN 3155-002. It shall be used together with EN 3155-001. The associated male contacts are defined in EN 3155-067. 2 Normative references The following referenced
13、documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591-*, Aerospace series Elements of electrical and optical connection
14、Test methods. EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification. 1)EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts. 1)EN 3155-067, Aerospace series Electrical
15、contacts used in elements of connection Part 067: Contacts, electrical, coaxial, size 08, male, type D, solder, class R Product standard. 1)QQ-S-571, Solder, tin alloy: tin-lead alloy and lead alloy.2)MIL-I-81969/14, Installing and removal tools, connector electrical contact, type III, class 2, comp
16、osition B. 2)MIL-PRF-5606, Hydraulic fluid, petroleum base, aircraft, missile and ordnance. 2)MIL-PRF-7808, Lubricating oil, aircraft turbine engine, synthetic base, NATO code number O-148. 2)MIL-PRF-7870, Lubricating oil: general purpose, low temperature. 2)MIL-PRF-23699, Lubricating oil, aircraft
17、turbine engine, synthetic base, NATO code number O-156. 2)MIL-PRF-87937, Cleaning compound aerospace equipment. 2)*All parts quoted in this document. 1) Published as ASD Prestandard at the date of publication of this standard. 2) Published by: Department of Defense (DOD), the Pentagon, Washington D.
18、C. 20301 USA. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:20064 SAE-AMS1424, Fluid, deicing/anti-icing, aircraft, SAE type I. 3)SAE-
19、AS1241, Fire resistant phosphate ester hydraulic fluid for aircraft. 3)SAE-AS39029/59, Contacts, electrical connector, socket, crimp removable, shielded, size 8 (for MIL-C-38999 series I, III, and IV connectors). 3)TR 6058, Aerospace series Cable code identification list.4)3 Terms and definitions Fo
20、r the purposes of this standard, the terms and definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Specific characteristics Type D contacts are for general application and class R corresponds to an operating temperature range from 65 C to 150 C. 4.2 Dimensions and mass See Figure
21、1. Dimensions and tolerances are given in millimetres and apply after surface treatment. 3) Published by: Society of Automotive Engineering (SAE), 400 Commonwealth Drive, Warrendale, PA 15096, USA. 4) Published as AECMA Technical Report at the date of publication of this standard. Copyright Associat
22、ion Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:2006 5 Key 1 Heat shrinkable sleeve. 2 Inspection windows. 3 Dielectric. 4 Female external contact body. 5
23、 Male central contact body. 6 Weld rings. 7 Diameter after wiring. 8 Heating zone. aSee Note. Figure 1 NOTE Point at which a square ended gauge pin of 5,540 0,005 diameter first engages the female contact spring member. Mass maximum: 3,5 g 4.3 Marking by colour code Not applicable 4.4 Material, surf
24、ace treatment 4.4.1 Material Contact body: Copper alloy. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:20066 4.4.2 Protective coating
25、Gold on appropriate undercoat for copper alloy parts (except silver). Thickness not specified. 4.4.3 Dielectric ETFE Fluoropolymer. 4.4.4 Heat shrinkable tubing. Radiation cross linked polyvinylidene fluoride. 4.4.5 Weld rings Sn63 as per QQ-S-571 4.5 Permissible cables The cables should have dimens
26、ions within the values specified in Table 1. Table 1 Cable group A Dimensions in millimetres Cable group Cable diameter min. max. Jacket A 4,50 5,10 Shield B 3,50 4,30 Dielectric C 2,10 3,70 Conductor D 0,50 0,90 Group A Permissible cable code according to TR 6058 XF, WH, WM, WP 4.6 Stripping of cab
27、les and wiring method 4.6.1 Assembly instructions Strip cable as shown on Figures 2 or 3 or 4. Pretin central conductor with SN63. Insert cable into contact until it is fully seated. Heat contact with appropriate tools as shown on Figure 5 until solder melts and flows and strain relief tubing confor
28、ms to cable. 4.6.2 Preparation of coaxial cable: Depending upon dielectric diameter value there are three possibilities: Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without li
29、cense from IHS-,-,-prEN 3155-068:20067 a) Cable preparation for straight shield When all conform to Table 1 Figure 2 b) Cable preparation for fold back shield When shield diameter is smaller than B min. of Table 1 Restriction: if of shield become B max. (4,30 mm) Key 1 Fold shield back over cable ja
30、cket Figure 3 c) Preparation for coaxial cable with small dielectric diameter When dielectric diameter is C min. of Table 1 (2,10 mm) Strip the cable as shown on Figure 4, Slip a dielectric barrier between the shield braid and the cable dielectric to bring the diameter within the value specified in
31、Table 1. Key 1 Shield braid 2 Cable dielectric 3 Dielectric barrier Figure 4 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:20068 4.7 T
32、ooling 4.7.1 Contact termination tooling The hot air generator is of a minimum usable capacity of 800 W and the temperature in the heating zone shall be (420 20) C. The drawing of the tool is given for information purposes: the positioner has an interface for the male contact on side P and the femal
33、e contact on side S (see Figure 5); the function of the cable clamp is to hold the parts in place during the heating and cooling phases. Key 1 Coaxial cable 2 Contact 3 Positioning device 4 Cable clamp Figure 5 4.7.2 Insertion/extraction tooling Insertion: M81969/14-06, if necessary (see MIL-I-81969
34、/14) Extraction: M81969/14-06. 4.8 Tests See Table 2. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:20069 Table 2 Applicable EN 2591-
35、Test Not applicableAccording to EN 3155-001Remarks 101 Visual examination X 102 Examination of dimensions and mass X See 4.2. 201 Contact resistance - low level X Test temperature: ambient Maximum contact resistance* m Contact Initial After tests Centre 5 7 Outer Not applicable * Whatever cable type
36、 202 Contact resistance at rated current X Test temperature: ambient Maximum contact resistance* m Rated current A (2503+) C (15003+) CContactInitial After tests Centre 5 7 8 1 Outer 2 3 3,2 12 * Whatever cable type 204 Discontinuity of contacts in the microsecond range X Method B Duration of discon
37、tinuity: 100 ns. Test duration: throughout the duration of tests EN 2591-402 and EN 2591-403. 206 Measurement of insulation resistance X Method C Mated contacts At ambient 5 G At 150 C 2 G 207 Voltage proof test X Method C Proof test voltage at sea level: 1 300 VAC r.m.s. Between centre contact and
38、outer contact. Proof test voltage at altitude: 125 VAC r.m.s. at 1,1 kPa pressure (33 000 m). Leakage current: 2 mA 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 213 Shielding effectiveness from 100 MHz to 1 GHz X continued Copyright Association Europeene des Construct
39、eurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:200610 Table 2 (concluded) Applicable EN 2591- Test Not applicableAccording to EN 3155-001Remarks 301 Endurance at temperature X Meth
40、od B 150 C Duration: 1 000 h 305 Rapid change of temperature X TA= (150 2) C TB= ( 65 2) C 306 Mould growth X 307 Salt mist X 315 Fluid resistance X See Table 3. 402 Shock X Method A, severity 300. The contacts shall be connected with a cable as per Table 1, then fitted in connectors. The connectors
41、 fitted with appropriate cable clamps shall be mated and mounted on the shock apparatus using appropriate mounting systems. Discontinuity: 100 ns 403 Sinusoidal and random vibration X The contacts shall be connected to a cable as per Table 1 then fitted in the connectors. The connectors fitted with
42、appropriate cable clamps shall be mated and mounted on the vibration apparatus using appropriate mounting systems. The cables are clamped a minimum of 200 mm from the rear of the contacts at a fixed point of the assembly. Discontinuity: 100 ns Test at (23 5) C 406 Mechanical endurance X 415 Test pro
43、be damage (female contacts) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X 418 Gauge insertion/extraction forces (female contacts) X The gauge used is that defined in Figure 6 4.9. Initial After testsInsertion max. 45,4 N 53,9 N Extraction min. 1,42 N 1,15 N 501 Soft so
44、lderability X 502 Restricted entry X 503 Contact deformation after crimping X 508 Measurement of thickness of coating on contacts X The measured thickness shall be recorded. 509 Adhesion of coating on contacts X 513 Magnetic permeability X 514 Solderability of contacts with self-contained solder and
45、 flux X Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:200611 Table 3 List of fluids Fluid Immersion Category References Durationmin. T
46、emp. C Temp. in oven Number of cycles Fuel JP5 NATO F44 502+25 85 7 Mineral hydraulic fluid MIL-PRF-5606 NATO F515 1505+85 100 5 Synthetic hydraulic fluid SAE-AS1241 Skydrol 500 B4 Skydrol LD 4 1505+85 100 5 Mineral lubricant MIL-PRF-7870 NATO O142 1505+120 125 5 MIL-PRF-23699 NATO O156 Synthetic lu
47、bricant MIL-PRF-7808 NATO O148 1505+150 125 5 Diluted MIL-PRF-87937 25 % Propanol + 75 % White spirit 1505+5 Cleaning products Azeotrope R113AzM (R113 + mthanol) 502+25 25 2 Deicing fluid SAE-AMS1424 NATO S742 1505+50 100 5 Extinguishing fluid Chlorobromethane (less than 0,1 MPa of overpressure) 150
48、5+ 15 25 5 Cooling liquid Coolanol 1505+50 25 5 4.9 Gauge Figure 6 and Table 4 define the gauges used for test EN 2591-418. Figure 6 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-prEN 3155-068:200612 Table 4 Gauge A C R L max. 5,563/5,560 3,00 0,71/0,58 7,5/7,0 min. 5,514/5,512 3,00 0,71/0,58 7,7/7,0 5 Designat
