1、AECMA STANDARD prEN 31 55-041 NORME AECMA Edition P 1 AECMA NORM September 2001 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 Edition approved for publication Comments sh
2、ould be sent within six months after the date of Dublication to ICs: 49.060 Descriptors: Electrical Domain ENGLISH VERSION Aerospace series Electrical contacts used in elements of connection Part 041 : Contacts, electrical, coaxial, size 12, female, type D, solder, class R Product standard Srie aros
3、patiale Luft- und Raumfahrt Contacts lectriques utiliss dans les organes de connexion Partie 041 : Contacts, lectriques, coaxiaux, taille 12, femelle, type D, a souder, class R Elektrische Kontakte zur Verwendung in Verbindungselementen Teil 041 : Elektrische Koaxial Bushenkontackte Gre 12, typ D, z
4、um Lten, klasse R Norme de produit Produktnorm This Yerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published on green paper for the needs of the European Aerospace Industry. It has bee
5、n 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, physically or functionally, without re-identification of the standa
6、rd. After examination and review by users and formal agreement of AECMA-STAN it will be submitted as a draff European Standard to CEN (European Committee for Standardization) for formal vote. 2001-09-28 AECMA-STAN Gulledelle 94 I 8-1200 BRUXELLES Mr Peuetta I I aecma 200 Page 2 prEN 3155-041: 2001 C
7、ontents O 1 2 3 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 6 7 Introduction Normative references Definitions . Required Characteristics . Specific characteristics Dimensions and mass . Marking by colour code . . Stripping of cables and wiring method Tooling Gauge Designation Technical specification Pag
8、e 3 3 3 4 4 4 4 5 5 5 5 7 8 11 11 11 11 Page 3 prEN 3155-041: 2001 O Introduction The contacts defined by this standard are derived from those of MlL-C-39029/73 and are intermateable with those of MIL-C-39029/74. 1 Scope This standard specifies the required characteristics, tests and tooling applica
9、ble to size 12, female coaxial, electrical contacts, 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 3155-030 and EN 3155-040. 2 Normative references This European Standard in
10、corporates 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 references, subsequent amendments to or revisions of any of these publications apply this Europ
11、ean Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to apply. EN 2591 * EN 2591-402 EN 2591-403 EN 2591-41 8 EN 31 55-001 EN 3155-002 EN 31 55-030 EN 3155-040 AS 1241A AS 31971 J-STD-004 M IL-A-8243D MlL-C-25769J M
12、I L-C-39029173 MIL-C-39029/74 MIL-H-5606G MIL-I-81969/14C MlL-PRF-23699F MIL-PRF-7808L MIL-PRF-7870C Aerospace series - Elements of electrical and optical connection - Test methods Aerospace series - Elements of electrical and optical connection - Test methods - Part 402: Shock Aerospace series - El
13、ements of electrical and optical connection - Test methods - Part 403: Sinusoidal and random vibration Aerospace series - Elements of electrical and optical connection - Test methods - Part 418: Gauge insertion and extraction forces in and out of a female contact 1) Aerospace series - Electrical con
14、tacts used in elements of connection - Part001: Technical specification 1) Aerospace series - Electrical contacts used in elements of connection - Part002: List and utilization of contacts 1) Aerospace series - Electrical contacts used in elements of connection - Part030: Contacts, electrical, coaxi
15、al, shielded, size 12, male, type D, crimp, class R - Product standard 2) Aerospace series - Electrical contacts used in elements of connection - Part040: Contacts, electrical, coaxial, size 12, male, type Dl solder, class R - Product standard 1) Fire Resistant Phosphate Ester Hydraulic Fluid for Ai
16、rcraft 3) Gage pin for socket contact engagement test 3) Requirements for Soldering Fluxes Replaces QQ-S-571 4) Anti-Icing and Deicing-Defrosting Fluids 5) Cleaning Compound, Aircraft Surface, Alkaline Water Base 5) Contacts, Electrical Connectors, Socket, Solder, Removable, Shielded, Size 12 (For M
17、lL-C-83723 Series 111, MIL-(2-26482 Series 2, MlL-C-83733 and DOD-Gf33527 connectors)5) Contacts, Electrical Connectors, Pin, Solder, Removable, Shielded, Size 12 (For MlL-C-83723 Series 111, MlL-C-26482 Series 2, MlL-C-83733 and DOD-(2-83527 connectors) 5) Hydraulic Fluid, Petroleum Base, Aircraft,
18、 Missile and Ordnance 5) Installing and Removal Tools, Connector Electrical Contact, Type Ill, Class 2, Composition B 5) Lubricating Oil, Aircraft Turbine Engines, Synthetic Base, NATO code number 0-156 5) Lubricating Oil, Aircraft Turbine Engine, Synthetic Base 5) Lubricating Oil, General Purpose,
19、Low Temperature 5) * 1) Published at AECMA Prestandard at the date of publication of this standard. 2) In preparation at the date of publication of this standard. 3) Published by Society of Automotive Engineers, Inc. (SAE), 400 Commonwealth Drive Warrendale,PA 15096-0001 4) Published by: Electronic
20、Industries Alliance (EIA), 2500 Wilson Boulevard, Arlington, Virginia 22201 5) Published by: Department of Defense (DOD), the Pentagon, Washington DC 20301 USA. All parts quoted in table 2. Page 4 prEN 31 55-041: 2001 Type A Type B TR 6058 Aerospace series - Cable code identification list 6) 2,46 2,
21、13 3,14 2,63 3 Definitions For the purposes of this standard, the definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Specific characteristics Type D contacts are contacts with screening feature, class R corresponds to an operating temperature range from - 65 OC to 150 OC. 4.2 Dim
22、ensions and mass See figure 1 for dimensions. Dimensions and tolerances are given in millimetres. Contact mass: 239 g max. Ox Key 1 Female external contact body 2 Male central contact body 3 Dielectric 4 Heat shrinkable tubing 5 Solder rings 6 Inspection windows NOTE I Point at which a square ended
23、gauge pin of the same basic diameter as the mating contact first engages the female contact spring member. Provision for clearance hole shall be provided. NOTE 2 Outer contact mates with 2,41/2,36 male contact diameter Figure 1 Table 1 Ox OY 6) Published as AECMA Technical Report at the date of publ
24、ication of this standard Page 5 prEN 3155-041: 2001 min. Type A Type B Cable diameter Jacket A - - Shield B 2,OO 2,60 4.3 Marking by colour code Not applicable max. Type A Type B 3,30 3,70 2,50 3,lO 4.4 Material, surface treatment 4.4.1 Material Body: Copper alloy Dielectric 4.4.2 Protective coating
25、 Gold on appropriate undercoat for copper alloy parts Thickness not specified C 0,76 1 ,go 2,IO 2,40 4.4.3 Dielectric ETFE Fluoropolymer or equivalent Conductor 4.4.4 Heatshrinkable tubing Radiation crosslin ked polyvinylidene fluoride D 0,28 0,28 0,66 0,70 4.4.5 Solder rings Sn63 as per J-STD-004 P
26、ermissible cable code according to TR 6058 4.5 Permissible cables WH XE, XY, WL WH XE, XY, WL The cables should have dimensions within the values specified in table 2, in millimetres. Table 2 4.6 Dimensions are in millimetres. See figures 2, 3 and 4. Stripping of cables and wiring method 4.6.1 Assem
27、bly instructions Strip cable as shown on figures 2 or 3 or 4 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 Page 6 prEN 31 55-041 : 2001 4.6.2 Preparation of coaxial
28、cable Depending upon dielectric diameter value there are three possibilities. The central conductor should always be pretinned after stripping. 4.6.2.1 When all diameters conform to table 2. Cable preparation for straight shield Figure 2 4.6.2.2 When shield diameter is smaller than B diameter minimu
29、m of table 1. Restriction: if diameter of shield becomes = diameter B maximum (2,60 mm type A or 3,lO mm type B). Cable preparation for fold back shield 5,2014,40 4,7013,90 3,3012,50 I . k- Fold shield back over cable jacket Figure 3 4.6.2.3 When dielectric diameter is = diameter C minimum table 1 (
30、1,6 mm type A or 2, Preparation for coaxial cable with small dielectric diameter: - strip the cable as shown on figure 4; O mm type E - slip a dielectric barrier between the shield braid and the cable dielectric to bring the diameter within the value specified in table 1. I 5.2014.40 I OA Figure 4 P
31、age 7 prEN 31 55-041 : 2001 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 f 20) “C. The drawing of the tool is given for information purposes: the positioner has an interface for the
32、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. Positioning Device Cable clamp I t-l Figure 5 4.7.2 Insertionlextraction tooling Insertion: M81969/14-04 Extraction: M81969/14-
33、O4 Page 8 prEN 31 55-041 : 2001 X X 4.8 Tests See table 3. See 4.2 Table 3 Centre Outer Designation of the test 8 11 Not aDDlicable Applicable Centre Outer Not pplicable Initial After After tests 8 11 12,8 23 32 tests kcording to IN 3155-001 Remarks EN 2591- 1 o1 102 201 202 204 206 207 21 o 211 a 2
34、12 a Visual examination Examination of dimensions and mass Contact resistance - low level X I Test temperature: ambient Contact resistance Initial I After tests Contact resistance at rated current Maximum contact resistance rnR (25 +:)OC I (150+;) OC Rated current A Contact 1 7.5 Discontinuity of co
35、ntacts in the microsecond range X Method B Duration of discontinuity: I 1 O0 ns. Test duration: throughout the duration of tests EN 2591-402 and EN 2591-403 Method C Mated contacts At ambient 5 GQ At 150 “C 2 GQ Measurement of insulation resistance X Voltage proof test X Method C Proof test voltage
36、at sea level: 500 VAC rms. between centre contact and outer contact Proof test voltage at altitude: 125 VAC r.m.s. at 1,l kPa pressure (33 O00 m) Leakaae current: 2 mA Electrical overload X Capacitance X X Surface transfer impedance (continued) Page 9 prEN 31 55-041 : 2001 Not applicable Table 3 (co
37、ntinued) Gauge Minimum Maximum Extraction force Insertion force N N Initial I After test Initial I After test Applicable Remarks 3N 2591- Designation of the test 9ccording to IN 3155-001 X 21 3 Shielding effectiveness rom 100 MHz to 1 GHz fndurance at temperature X Method B - 150 “C Duration: 1 O00
38、h Without load TA: (- 65 f 2) “C Tn: (150 f 2) “C 30 1 305 iapid change of emperature X 306 ulould growth X Salt mist X 307 315 Wd resistance X See table 3. Shock ., Method A, severity 300. The contacts shall be connected with a cable as per table 1, then fitted in connectors. The connectors fitted
39、with appropriate cable clamps shall be mate( and mounted on the shock apparatus using appropriate mounting systems. Discontinuity: I 100 ns 402 A 403 Sinusoidal and random /bration X The contacts shall be connected to a cable as per table 1 then fitted in the connectors. The connectors fitted with a
40、ppropriate 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: I100 ns Test at (23 k 5) “C X Mechanical endurance rest probe da
41、mage :female contact) 406 415 a X 416 a X Sontact bending strength Tensile strength (crimped sonnection) 417 a X 418 a Sauge insertion and rxtraction forces in and out 3f a female contact X I max. I NA I NA I 8,40 1 10,08 I min. I 0,84 I 0,70 I NA I NA X 501 a 502 a Soft soldering Restricted entry X
42、 (continued) Page 10 prEN 3155-041: 2001 EN 2591- Designation of the test 503 a Contact deformation after crimping 508 a Measurement of thickness of coating on contacts 509 a Adhesion of coating on contacts 513 a Magnetic permeability 514 a Solderability of contacts with self-contained solder and fl
43、ux Table 3 (concluded) Applicable Not applicable According to Remarks EN 3155-001 X X X X X The measured thickness shall be recorded Table 4 - List of fluids Fluid References jtovi ng Temp. “C Immersion Number of cycles 7 5 Temp. “C Category luration min Fuel 5 0 25 85 NATO F44 MIL-H-5606G NATO F515
44、 Mineral hydraulic fluid 85 1 O0 15 +i Synthetic hydraulic fluid 15 0 85 1 O0 5 Skydrol500 84 I SkydrolLD4 AS 1241A Mineral lubricant M IL-PRF-7870C I NATO0142 15 i 120 5 125 - MIL-PRF-23699F I NATO 0156 15 0 Synthetic lubricant 150 125 5 MIL-PRF-7808L I NATO 0148 MIL-C-25769J, diluted I 15 0 I 25 %
45、 Propanol + 75 % White spirit Cleaning products 25 25 5 +; 2 Azeotrope R113AzM (RI 13 + methanol) De-icing fluid M IL-A-8243D 1 NATOS742 50 5 15 i 1 O0 Chlorobromethane (less than 0,l MPa of overpressure) Coolanol 15 +i Extinguishing fluid - 15 25 5 50 5 15 +: Cooling fluid 25 Page Il prEN 3155-041:
46、 2001 4.9 Gauge The gauges used for test EN 2591-418 (outer contact only) shall be in accordance with AS 31971, except the diameters shall be as specified in table 5. Provisions for a clearance hole shall be provided. Table 5 Dimensions in millimetres I Gauge diameter I maximum I I 2,415 2,410 minim
47、um I l 2,360 2,355 Material: tool steel or carbide steel 5 Designation EXAMPLE: Description block Identity block CONTACT, ELECTRICAL EN3155-041 F12 Number of this standard Type of contact: F = female Size code I Barrel size (see table 1) Normal = A Enlarged = B L NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Technical specification See EN 3155-001.
