ASD-STAN PREN 3155-024-2005 Aerospace Series Electrical Contacts Used in Elements of Connection Part 024 Contacts Electrical Triaxial Size 8 Male Type D Crimp Class S Product Stand.pdf

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1、AECMA STANDARD NORME AECMA AECMA NORM prEN 3155-024 Edition P 1 March 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 Aerosp

2、ace series Electrical contacts used in elements of connection Part 024: Contacts, electrical, triaxial, size 8, male, type D, crimp, class S Product standard Srie arospatiale Contacts lectriques utiliss dans les organes de connexion Partie 024 : Contacts lectriques, triaxiaux, taille 8, males, type

3、D, sertir, classe S Norme de produit Luft- und Raumfahrt Elektrische Kontakte zur Verwendung in Verbindungselementen Teil 024: Elektrische Stiftkontakte, triaxial, Gre 8, Typ D, crimpbar, Klasse S Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STA

4、N (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 publication of this Prestandard, the technica

5、l 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 European Standard (prEN) to CEN (European

6、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 EN. Edition app

7、roved for publication 31 March 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 3155-024:2005Foreword This standard was reviewed by the Domain Technical Coordinator of AECMA-STANs Electrical Domain.

8、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 definitions 4 4 Required characteristics 4

9、 5 Designation 11 6 Marking. 11 7 Technical specification 11 Page 3 prEN 3155-024:2005Introduction The contacts defined by this standard are derived from, and are interchangeable with, contacts conforming to MIL-C-39029/90A. They are intermateable with contacts conforming to EN 3155-013 and MIL-C-39

10、029/91A. 1 Scope This standard specifies the required characteristics and tests applicable to male electrical contacts, type D, crimp, class S, 65 C to 200 C, size 8 used in elements of connection according to EN 3155-001. It shall be used together with EN 3155-001. The associated female contacts ar

11、e defined in EN 3155-025. 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) applies.

12、EN 2591*, Aerospace series Elements of electrical and optical connection Test Methods. 1)EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technical specification. 1)EN 3155-013, Aerospace series Electrical contacts used in elements of connection Part 013: Co

13、ntacts, electrical, triaxial, size 8, female, type D solder, class R Product standard. 1)EN 3155-025, Aerospace series Electrical contacts used in elements of connection Part 025: Contacts, electrical, triaxial, size 8, female, type D, crimp, class S Product standard. 1)EN 3375-003, Aerospace series

14、 Electrical cables for signal data transmissions Operating temperature max. 150/200/260 C Part 003: Single braid Product standard. 2)EN 3375-004, Aerospace series Electrical cables for signal data transmissions Operating temperature max. 150/200/260 C Part 004: Double braid Product standard. 2)EN 33

15、75-005, Aerospace series Electrical cables for signal data transmissions Operating temperature max. 150/200/260 C Part 005: Double braid + metallic layer Product standard. 2)EN 4008-003, Aerospace Series Elements of Electrical and Optical Connection Crimping Tools and Associated Accessories Part 003

16、: Positioner for Crimping Tool M22520/2-01.2)EN 4008-004, Aerospace Series Elements of Electrical and Optical Connection Crimping Tools and Associated Accessories Part 004: Die for Crimping Tool M22520/5-01.2) * All parts quoted in this standard. 1) Published as AECMA Prestandard at the date of publ

17、ication of this standard. 2) In preparation at date of this publication. Page 4 prEN 3155-024:2005EN 4530-002 Aerospace series Sealing sleeves used in elements of connection Part 002: List and utilization of sealing sleeves.1)MIL-C-39029, Contacts, electrical connector, general specification for. 3)

18、MIL-I-81969/14, Installing and removal tools, connector electrical contact, type III, class 2, composition B. 3)MIL-PRF-5606H, Hydraulic fluid, petroleum base; aircraft, missile and ordnance. 3)MIL-PRF-7808L, Lubricating oil, aircraft turbine engine, synthetic base, nato code number O-148. 3)MIL-PRF

19、-7870C, Lubricating oil: general purpose, low temperature. 3)MIL-PRF-23699F, Lubricating oil, aircraft turbine engine, synthetic base, nato code number O-156. 3)MIL-PRF-87937D, Cleaning compound aerospace equipment. 3)AS 1241, Fire resistant phosphate ester hydraulic fluid for aircraft. 4)AMS 1424,

20、Deicing/anti-icing fluid, aircraft - sae type I. 4)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 Dimensions and mass Dimensions are given in millimetres after surface treatment: See Figures 1 and 2 and

21、Table 1. Mass: 3,3 g max. 4.2 Materials, surface treatment Materials: Conductive copper alloy Dielectric: PEEK or equivalent Surface treatment: Gold on appropriate undercoat (selective protective finish permitted). 3) Published by: Department of Defense (DOD), The Pentagon, Washington D.C. 20301, US

22、A 4) Published by: Society of Automotive Engineering (SAE), 400 Commonwealth Drive, Warrendale, PA 15096, USA Page 5 prEN 3155-024:2005Key 1 Length of crimp well. 2 Point at which a square ended pin, of the same basic diameter as the mating contact, first engages. 3 Mates with 2,57 0,025. 4 End of c

23、entre contact. 5 Diameter shall not exceed 7,01 over recovered heat shrink boot. NOTE When mated with contacts conforming to EN 3155-025 the outer contact shall always mate prior to the centre and intermediate contacts. The mating sequence between centre and intermediate contacts is not guaranteed a

24、nd therefore does not conform to EN 3155-001 paragraph 5.1.7. Figure 1 1245 4,72 min.7,8516,5 max. 0,61 0,013 7,98 7,19 0,127 0,76 +0,050,03 6,53 max. 6,96 5,54 0,0306,55 min.3,91 min.3,73 min.0,79 0,0507,21 min. 3R 0,25 min. 0,76 + 0,3800 +0,050,03+0,050,03+0,050,0330 R 0,127Page 6 prEN 3155-024:20

25、05Figure 2 Cable ferrule Table 1 Size A Cable style A 3,40/3,51 EN 3375-003 B 3,91/4,01 EN 3375-004C 4,14/4,24 EN 3375-005 4.3 Permissible cables 4.3.1 Cable types See Table 2. Table 2 Cable type Specification Single braided cable EN 3375-003 Double braided cable EN 3375-004 High immunity cable EN 3

26、375-005 A5,84 5,59 5,26 5,16 Page 7 prEN 3155-024:20054.3.2 Cable stripping See Figure 3 and Table 3. Key 1 Braid Figure 3 Table 3 Cable stripping Dimensions in millimetres Cable Outer jacket 0,5 Inner conductors 0,2 EN 3375-003 8,0 5,0 EN 3375-004 8,0 5,0 EN 3375-005 8,0 5,0 NOTE Excess cable braid

27、 should be trimmed off prior to crimping. No braid should be visible when terminated. 4.4 Tooling See Table 4. Table 4 Centre contact Intermediate contact Outer crimp sleeveBasic crimp tool M22520/2-01 M22520/5-01 Contact positioner EN 4008-004 N/A N/A Die N/A EN 4008-003Contact installation/Removal

28、 tool MIL-I-81969/14-06 (8,0 0,500) mm (5,0 0,200) mm1 Page 8 prEN 3155-024:20054.5 Tests See Table 5. Table 5 Applicable EN 2591- Test Not applicable According to EN 3155-001 Remarks 101 Visual examination X 102 Examination of dimensions and mass X 201 Contact resistance - low level X Maximum conta

29、ct resistance m Contact Initial After tests Centre 55 66 Intermediate 55 66 Outer Not applicable 202 Contact resistance at rated current X Maximum contact resistance m Room temperature Max. temperature Contact Test current A Initial After cond. 150 C Centre 1 55 66 94 Intermediate 1 55 66 94 Outer 1

30、2 6 75 128 204 Discontinuity of contacts in the microsecond range X Method B: Interruption 100 ns during tests EN 2591-402 and EN 2591-403. 206 Measurement of insulation resistance X Method C: Ambient temp. 5 G Maximum temp. 2 G 207 Voltage proof test X Contact Altitude Test voltage Centre/Int. Sea

31、level 1 000 V Inter/outer Sea level 500 V Withstanding voltage at altitude 125 V (rms.) at 4,7 kPa (21 000 m) 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 5 m/ 0,1 100 MHz continued Page 9 prEN 3155-024:2005Table 5 (concluded) Applicable EN 2591- Test Not applicableAc

32、cording to EN 3155-001 Remarks 213 Shielding effectiveness from 100 MHz to 1 GHz X 301 Endurance at temperature X Method B: Duration 1 000 hours. Insulation resistance test 305 Rapid change of temperature X Contacts wired and engaged: TA= 200 C TB= 65 C 306 Mould growth X 307 Salt mist X 315 Fluid r

33、esistance X See Table 6. 402 Shock X Method A: Severity 300. 403 Sinusoidal and random vibration X Method B: Figure 3, Level J. 406 Mechanical endurance X 500 cycles 415 Test probe damage (female contact) X 416 Contact bending strength X 417 Tensile strength (crimped connection) X Centre 35 N Interm

34、ediate 35 N Outer 100 N 418 Gauge insertion/extraction forces (female contacts) X Gauge: As defined in Figure 4 and Table 7. Insertion (max.) Extraction (min.) Contact Initial After Cond. Initial After Cond. Intermediate 5,00 N 6,1 N 0,14 N 0,11 N 502 Restricted entry X 503 Contact deformation after

35、 crimping X Centre contact only 507 Plating porosity X 508 Measurement of thickness of coating on contacts X The measured thickness to be recorded. 513 Magnetic permeability X Page 10 prEN 3155-024:2005Table 6 Fluid Immersion Stoving Category References Duration min Temp. C Temp. C Numberof cycles F

36、uel JP5 NATO F-44 5+ 2 0 25 85 7 Mineral hydraulic fluid MIL-PRF-5606H NATO H-515 15+ 5 0 85 100 5 Synthetic hydraulic fluid SAE AS 1241 Skydrol 500 B4 Skydrol LD 4 15+ 5 0 85 100 5 Mineral lubricant MIL-PRF-7870C NATO O-142 15+ 5 0 120 125 5 MIL-PRF-23699F NATO O-156 Synthetic lubricant MIL-PRF-780

37、8L NATO O-148 15+ 5 0 150 125 5 MIL-PRF-87937D, diluted 25 % Propanol + 75 % White spirit 15+ 5 0 5 Cleaning products Azeotrope R113 AzM (R113 + methanol) 5+ 2 0 25 25 2 De-icing fluid SAE AMS 1424 NATO S-742 15+ 5 0 50 100 5 Extinguishing fluid Chlorobromethane (less than 0,1 MPa of overpressure) 1

38、5+ 5 0 15 25 5 Cooling fluid Coolanol 15+ 5 0 50 25 5 4.6 Gauges See Figure 4 and Table 7. m Key 1 Ra0,15 m to 0,25 m Figure 4 20 0,200 0,2 0,05010 min. 1 A B CPage 11 prEN 3155-024:2005Table 7 Gauge A B C R L max. 2,896/2,8935 2,3/2,2 1,5/1,2 0,71/0,58 7,5/7,0 min. 2,847/2,844 2,3/2,2 1,5/1,2 0,71/

39、0,58 7,5/7,0 5 Designation 5.1 Numbering EXAMPLE Description block CONTACT Identity block EN3155-024M08XY Number of this standard Type of contact: M = male Size of contact Cable ferrule (A, B, C, see Table 1) Accessories (A, B, see Table 8) NOTE If necessary, the code I9005 shall be placed between the classification block and the identity block. 5.2 Accessories See Table 8. Table 8 Type Accessory A Without sealing sleeve B With sealing sleeve (See EN 4530-002) 6 Marking Marking shall be in accordance with EN 3155-001. 7 Technical specification See EN 3155-001.