1、AECMA STANDARD NORME AECMA AECMA NORM prEN 3155-031 Edition P 1 May 2005 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION Gulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 8110 - Fax. + 32 2 775 8111 - www.aecma-stan.orgICS: 49.060 Descriptors: ENGLISH VERSION Aerospac
2、e series Electrical contacts used in elements of connection Part 031: Contacts, electrical, coaxial, shielded, size 12, female, type D, crimp, class R Product standard Srie arospatiale Contacts lectriques utiliss dans les organes de connexion Partie 031 : Contacts lectriques coaxiaux, blinds, taille
3、 12, femelles, type D, sertir, classe R Norme de produit Luft- und Raumfahrt Elektrische Kontakte zur Verwendung in Verbindungselementen Teil 031: Elektrische koaxiale Buchsenkontakte, geschirmt, Grsse 12, Typ D, crimpbar, Klasse R Produktnorm This “Aerospace Series“ Prestandard has been drawn up un
4、der the responsibility of AECMA-STAN (The European Association of Aerospace Industries - 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 publicatio
5、n 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 standard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft Europea
6、n Standard (prEN) 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 c
7、onflicting with the EN. Edition approved for publication 31 May 2005 Comments should be sent within six months after the date of publication to AECMA-STAN Electrical Domain Copyright 2005 by AECMA-STAN Page 2 prEN 3155-031:2005Foreword This standard was reviewed by the Domain Technical Coordinator o
8、f AECMA-STANs Electrical Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA-STANs General Process Manual, this standard has received approval for Publication. Contents Page Introduction 3 1 Scope 3 2 Normative references. 3 3 Terms and definitio
9、ns 4 4 Required characteristics 4 5 Designation 9 6 Marking. 10 7 Delivery conditions. 10 8 Technical specification 10 Page 3 prEN 3155-031:2005Introduction The contacts defined by this standard are derived from those of MIL-C-39029/74, and interchangeable with those of MIL-C-39029/73. 1 Scope This
10、standard specifies the required characteristics, tests and tooling applicable to female electrical coaxial contacts, shielded, size 12, type D, crimp, class R, used in elements of connection according to EN 3155-002. It shall be used together with EN 3155-001. The associated female contacts are defi
11、ned in EN 3155-030 and EN 3155-040. 2 Normative references The following referenced 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)
12、 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 Part 001: Technical specification. 1)EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part
13、 002: List and utilization of contacts. 1)EN 3155-030, Aerospace series Electrical contacts used in elements of connection Part 030: Contacts, electrical, coaxial, shielded, size 12, male, type D, crimp, class R Product standard. 1)EN 3155-040, Aerospace series Electrical contacts used in elements o
14、f connection Part 040: Contacts, electrical, coaxial, size 12, male, type D, solder, class R - Product standard. 1)EN 3682-001, Aerospace series Connectors, plug and receptacle, electrical, rectangular, interchangeable insert type, rack to panel, operating temperature 150 C continuous Part 001: Tech
15、nical specification. 1)EN 4008-013, Aerospace series Elements of electrical and optical connection Crimping tools and associated accessories Part 013: Positioner for crimping tool M22520/2-01 Product standard. 1)EN 4008-014, Aerospace series Elements of electrical and optical connection Crimping too
16、ls and associated accessories Part 014: Turret for crimping tool M22520/31-01 Product standard. 1)MIL-DTL-22520, Crimping tools, terminal, hand or power actuated, wire termination, and tool kits general specification for. 2) * All parts quoted in this standard. 1) Published as AECMA Prestandard at t
17、he date of publication of this standard. 2) Published by: Department of Defense (DOD), The Pentagon, Washington D.C. 20301, USA. Page 4 prEN 3155-031:2005MIL-C-39029/73, Contacts, electrical connectors, socket, solder, removable, shielded, (for MIL-C-83723 series 3, MIL-C-26482 series 2 and MIL-C-83
18、733 connectors).2)MIL-C-39029/74, Contacts, electrical connectors, pin, solder, removable, shielded, (for MIL-C-83723 series 3, MIL-C-26482 series 2, MIL-C-83733 connectors). 2) MIL-I-81969/14, Installing and removal tools, connector electrical contact, type III, class 2, composition B. 2)TR 6058, A
19、erospace series Cable code identification list. 3)3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 3155-001 apply. 4 Required characteristics 4.1 Specific characteristics Type D contacts are for application where contacts with a screening feature are r
20、equested and class R corresponds to an operating temperature range from 65 C to 150 C. 4.2 Dimensions and mass See Figure 1. Dimensions and tolerances are given in millimetres and apply after surface treatment. Figure 1 3) Published as AECMA Technical Report at the date of publication of this standa
21、rd. Page 5 prEN 3155-031:20054.3 Marking by colour code Not applicable. 4.4 Material, surface treatment Outer body material (female) : copper alloy. Center contact (male) : copper alloy. Crimp ferrule : copper alloy. Surface treatment : gold on appropriate undercoat, thickness of protection not spec
22、ified , selective protection permitted. Hood : stainless steel. Dielectric : PTFE or equivalent. 4.5 Permissible cables See Figure 2 and Table 1. D B A CFigure 2 Table 1 Dimensions of cable A B C D Permissible cable group code Permissible cable code according to TR 6058 min. max. min. max. min. max.
23、 min. max. A XY 0,28 0,33 1,52 1,68 2,00 2,20 2,41 2,67 B XQ 0,48 0,53 1,44 1,60 1,90 2,10 2,40 2,60 4.6 Cable stripping and wiring method See Figure 3. Page 6 prEN 3155-031:2005A Strip the insulation as shown below Slide the ferrule c on the wire B Comb and fold back the braid Strip the wire core a
24、s shown below C Fit the center contact d over the core, crimp with tool in accordance with 4.7.1. D Set wired assembly into the body e, crimp the body with tool in accordance with 4.7.1. E Installing and removal tool MIL-I-81969/14-04. Figure 3 4.7 Tooling 4.7.1 Crimping tools Conform to MIL-DTL-225
25、20, see Table 2. These selector numbers given in Table 2 shall be used for qualification of the contacts and in service, unless otherwise specified by the user. Table 2 Tooling for crimping of centre contact Tooling for crimping of contact outer body Permissible cable group code TR 6058 code Crimpin
26、g tool Positioner Selector Crimping tool Positioner Selector A XY M22520/2-01 EN4008-013 4 M22520/31-01 EN4008-014 N / A B XQ M22520/2-01 EN4008-013 5 M22520/31-01 EN4008-014 N / A It is the user responsability, if the parameter in Tables 2 and 3 are changed for service use. Page 7 prEN 3155-031:200
27、54.7.2 Insertion/extraction tools Conform to MIL-I-81969/14-04. 4.8 Tests See Table 3. Table 3 Applicable EN 2591- Designation of the test Not applicableAccording toEN 3155-001 Remarks 101 Visual examination X 102 Examination of dimensions and mass X See 4.2.X Test temperature: ambient 201 Contact r
28、esistance - low level Contact Maximum contact resistance m Initial After tests Centre 8 11 Outer Not applicable X202 Contact resistance at rated current Contact Maximum contact resistance m Rated current A (25 ) C 03+(150 ) C 03+Initial After tests After tests Centre 8 11 12,8 1 Outer 2 23 3,2 7,5 2
29、04 Discontinuity of contacts in the microsecond range X Method BDuration of discontinuity: 100 ns. Test duration: throughout the duration of tests EN 2591-402 and EN 2591-403 206 Measurement of insulation resistance X Method CMated contacts At ambient 5 G At 150 C 2 G (continued) Page 8 prEN 3155-03
30、1:2005Table 3 (concluded) Applicable EN 2591- Designation of the test Not applicableAccording toEN 3155-001 Remarks 207 Voltage proof test X Method C Proof test voltage at sea level: 500 VAC r.m.s. between centre contact and outer contact Proof test voltage at altitude: 125 VAC r.m.s. at 1,1 kPa pre
31、ssure (33 000 m) Leakage current: 2 mA 212 Surface transfer impedance X 301 Endurance at temperature X T = (150 ) C 05+Duration: 1 000 h 305 Rapid change of temperature X TA= (150 ) C 05+TB= ( 65 ) C 05+306 Mould growth X 307 Salt mist X 315 Fluid resistance X According to EN 3682-001 402 Shock X Se
32、verity 300, method A see EN 3682-001, Figures 37, 38 and 39. 403 Sinusodale and random vibration X According to EN 3682-001, subclause 7.2.2. 406 Mechanical endurance X 417 Tensile strength (crimped connection) X Cable according to TR 6058 code XY Centre: 15 N Outer: 65 N 418 Gauge insertion/extract
33、ion forces (female contacts) X Gauge as described in Figure 4 and Table 4.Insertion Initial = 8,34 N max. After test = 10 N max. Extraction Initial = 0,83 N min. After test = 0,70 N min. 501 Soft solderability X 503 Contact deformation after crimping X Cable size in accordance with Table 1 Center co
34、ntact concentricity tolerance shall not exceed 0,28 mm. Center contact and outer body crimping zone shall not exceed 0,15 mm expansion. 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 51
35、4 Solderability of contacts with self-contained solder and flux XPage 9 prEN 3155-031:20054.9 Gauge See Figure 4 and Table 4. 13 min. 8 min. Ra0,2 R 0,45/0,5 A B Figure 4 Table 4 Dimensions in millimetres A B Gauge min. 0 0,005 Gauge max. + 0,005 0 2,36 2,41 1 5 Designation EXAMPLE Description block
36、 CONTACT ELECTRICAL Identity block EN3155-031F12A Number of this standard Type of contact: F = female Contact size Permissible cable group code NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. Page 10 prEN 3155-031:20056 Marking See EN 3155-001.
37、 7 Delivery conditions The contacts are packaged and identified individually. Conditionning shall provide protection of the contacts against any eventual damage. Packaging shall include: the manufacturers name; the designation defined in 5; the manufacturers reference; the manufacturing date code (year-week). 8 Technical specification See EN 3155-001.
