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 prEN 3155-068:20062 Contents Page Foreword2 Introduction .3 1 Scope 3 2 Normative references 3 3 Terms and definitions
8、 .4 4 Required characteristics.4 4.1 Specific characteristics.4 4.2 Dimensions and mass.4 4.3 Marking 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 Tech
9、nical specification 12 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 has received approval for Publicati
10、on. 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 and tooling applicable to female coaxial electrical contacts, size 08, type D, solder, class R, us
11、ed 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 documents are indispensable for the application of this document. For dated references, only the
12、 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 Test methods. EN 3155-001, Aerospace series Electrical contacts used in elements of connection P
13、art 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 contacts used in elements of connection Part 067: Contacts, electrical, coaxial, size 08, male,
14、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, composition B. 2)MIL-PRF-5606, Hydraulic fluid, petroleum base, aircraft, missile and ordnance. 2)MI
15、L-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 turbine engine, synthetic base, NATO code number O-156. 2)MIL-PRF-87937, Cleaning compound aeros
16、pace 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.C. 20301 USA. prEN 3155-068:20064 SAE-AMS1424, Fluid, deicing/anti-icing, aircraft, SAE type I.
17、3)SAE-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 definiti
18、ons For 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 F
19、igure 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. prEN 3155-06
20、8:2006 5 Key 1 Heat shrinkable sleeve. 2 Inspection windows. 3 Dielectric. 4 Female external contact body. 5 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 fe
21、male contact spring member. Mass maximum: 3,5 g 4.3 Marking by colour code Not applicable 4.4 Material, surface treatment 4.4.1 Material Contact body: Copper alloy. prEN 3155-068:20066 4.4.2 Protective coating Gold on appropriate undercoat for copper alloy parts (except silver). Thickness not specif
22、ied. 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 dimensions within the values specified in Table 1. Table 1 Cable group A Dimensions in millimetr
23、es 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 cables and wiring method 4.6.1 Assembly instructions Strip cable as shown on Figures 2 or 3 o
24、r 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 conforms to cable. 4.6.2 Preparation of coaxial cable: Depending upon dielectric diameter value
25、there are three possibilities: 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 o
26、ver cable jacket 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 s
27、pecified in Table 1. Key 1 Shield braid 2 Cable dielectric 3 Dielectric barrier Figure 4 prEN 3155-068:20068 4.7 Tooling 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 to
28、ol is given for information purposes: the positioner has an interface for the male contact on side P and the female 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 devic
29、e 4 Cable clamp Figure 5 4.7.2 Insertion/extraction tooling Insertion: M81969/14-06, if necessary (see MIL-I-81969/14) Extraction: M81969/14-06. 4.8 Tests See Table 2. prEN 3155-068:20069 Table 2 Applicable EN 2591- Test Not applicableAccording to EN 3155-001Remarks 101 Visual examination X 102 Exam
30、ination 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 202 Contact resistance at rated current X Test temperature: ambient Maximum contact
31、 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 discontinuity: 100 ns. Test duration: throughout the duration of tests EN 2591-402 and EN
32、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 outer contact. Proof test voltage at altitude: 125 VAC r.m.s. at 1,1 kPa pressure (3
33、3 000 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 prEN 3155-068:200610 Table 2 (concluded) Applicable EN 2591- Test Not applicableAccording to EN 3155-001Remarks 301 Endurance at
34、temperature X Method 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 connecto
35、rs. The connectors 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 conne
36、ctors fitted with 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 endura
37、nce X 415 Test probe 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
38、1,15 N 501 Soft solderability 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-co
39、ntained solder and flux X prEN 3155-068:200611 Table 3 List of fluids Fluid Immersion Category References Durationmin. Temp. 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
40、 Skydrol LD 4 1505+85 100 5 Mineral lubricant MIL-PRF-7870 NATO O142 1505+120 125 5 MIL-PRF-23699 NATO O156 Synthetic lubricant 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 Deicin
41、g fluid SAE-AMS1424 NATO S742 1505+50 100 5 Extinguishing fluid Chlorobromethane (less than 0,1 MPa of overpressure) 1505+ 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 prEN 3155-068:200612 Table 4 Gauge A C R L max.
42、 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 Designation EXAMPLE Description block CONTACT, ELECTRICAL Identity block EN3155-068F08AB Number of this standard Type of contact: F = female Size code Cable group (see 4.5) Code delivery condition (see EN 3155-001) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001.
