1、BRITISH STANDARDBS EN 3155-028:2006Aerospace series Electrical contacts used in elements of connection Part 028: Contacts, electrical, coaxial, shielded, size 16, male, type D, crimp, class R Product standardICS 49.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g5
2、4g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3155-028:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2008 BSI 2008ISBN 978 0 580 56316 4National fore
3、wordThis British Standard is the UK implementation of EN 3155-028:2006. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Panel ACE/6/-/3, Aerospace Connectors.A list of organizations represented on this co
4、mmittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued
5、 since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3155-028May 2006ICS 49.060English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 028: Contacts, electrical, coaxial, shielded,size 16, male, type D, crimp, class R - Product standardS
6、rie arospatiale - Contacts lectriques utiliss dans lesorganes de connexion - Partie 028 : Contacts lectriquescoaxiaux, blinds, taille 16, mles, type D, sertir, classe R- Norme de produitLuft- und Raumfahrt - Elektrische Kontakte zur Verwendungin Verbindungselementen - Teil 028: Elektrische koaxialeS
7、tiftkontakte, geschirmt, Gre 16, Typ D, crimpbar,Klasse R - ProduktnormThis European Standard was approved by CEN on 6 January 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national stand
8、ard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other lang
9、uage made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germ
10、any, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGMana
11、gement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3155-028:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.5 4 Required characterist
12、ics 5 4.1 Specific characteristics 5 4.2 Dimensions and mass 5 4.3 Marking by colour code6 4.4 Material, surface treatment.6 4.5 Permissible cables6 4.6 Tooling.7 4.7 Stripping 7 4.8 Tests 9 4.9 Gauge.11 5 Designation .12 6 Marking 12 7 Delivery conditions.12 8 Technical specification.12 EN 3155-028
13、:20063 Foreword This European Standard (EN 3155-028:2006) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the Na
14、tional Associations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2006, and conflicting nat
15、ional standards shall be withdrawn at the latest by November 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CE
16、N/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg
17、, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3155-028:20064 1 Scope This standard specifies the required characteristics, tests and tooling applicable to male electrical coaxial contacts, shielded, size 16, type D,
18、 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 defined in EN 3155-029 and EN 3155-039. 2 Normative references The following referenced documents are indispensable for the application of this doc
19、ument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard. EN 2591*, Aerospace series Elemen
20、ts 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 002: List and utilization of contacts. EN
21、3155-029, Aerospace series Electrical contacts used in elements of connection Part 029: Contacts, electrical, coaxial, shielded, size 16, female, type D, crimp, class R Product standard. EN 3155-039, Aerospace series Electrical contacts used in elements of connection Part 039: Contacts, electrical,
22、coaxial, size 16, female, type D, solder, class R Product standard. EN 3682-001, Aerospace series Connectors, plug and receptacle, electrical, rectangular, interchangeable insert type, rack to panel, operating temperature 150 C continuous Part 001: Technical specification. EN 4008-015, Aerospace ser
23、ies Elements of electrical and optical connection Crimping tools and associated accessories Part 015: Positioner for crimping tool M22520/2-01 Product standard. 1)EN 4008-017, Aerospace series Elements of electrical and optical connection Crimping tools and associated accessories Part 017: Positione
24、r for crimping tool M22520/4-01 Product standard.1)MIL-DTL-22520, Crimping tools, wire termination, general specification for. 2)MIL-I-81969, Installing and removal tools, connector electrical contact, general specification for. 2)TR 6058, Aerospace series Cable code identification list. 3)*All part
25、s quoted in this standard. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Published by: Department of Defense (DOD), The Pentagon, Washington D.C. 20301, USA. 3) Published as AECMA Technical Report at the date of publication of this standard. EN 3155-028:20065 3 Te
26、rms and definitions 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 contacts with screening feature, class R corresponds to an operating temperature range from 65 C to 150 C. 4.2 Dime
27、nsions and mass See Figure 1. Dimensions and tolerances are given in millimetres and apply after surface treatment. Key 4 Electrical point of contact 15,89 min. See Note 1. 1 Electrical point of contact 16,5 min. 5 See Note 2. 2 Outer contact 6 Central contact 3 8 max. after crimping 7 Crimping ferr
28、ule NOTE 1 Point at which a square ended gauge pin of the same diameter as the mating contact first engages the female contact spring member. NOTE 2 Dimension necessary to obtain the gauge insertion and extraction forces requested in Table 4. Figure 1 EN 3155-028:20066 4.3 Marking by colour code Not
29、 applicable 4.4 Material, surface treatment Outer body material (male) : copper alloy Centre contact (female) : copper alloy Crimp ferrule : copper alloy Surface treatment : gold on appropriate undercoat, thickness of protection not specified, selective protection permitted Dielectric : PTFE or equi
30、valent 4.5 Permissible cables See Figure 2 and Table 1. Figure 2 Table 1 Dimensions of cable A B C D Cable group Cable code according to TR 6058 min. max. min. max. min. max. min. max. A WK and WS 0,48 0,53 1,44 1,60 2,17 2,45 2,33 2,66 B XY 0,28 0,33 1,52 1,68 2,14 2,41 2,67 C WL 0,28 0,33 1,20 1,3
31、0 2,00 2,10 2,35 D WG 0,28 0,33 0,79 0,89 1,37 1,70 1,90 NOTE Cables in this table are not a definitive range, but the cable group(s) used for qualification must be stated in the qualification test report. EN 3155-028:20067 4.6 Tooling 4.6.1 Crimping tools Conform to MIL-DTL-22520G, see Table 2. The
32、 qualification selector numbers used for crimping copper or copper alloy conductors in electrical cables EN 2083 cables are indicated in Table 3. It is the responsibility of the user if the parameters in Tables 1 and 2 are changed for service use. Table 2 Tooling for crimping of centre contact Tooli
33、ng for crimping of contact outer body Cable code Crimping tool Positioner Selector Crimping tool Positioner Selector WK, WL and WS M22520/2C-01 2 M22520/4A-01 XY and WG M22520/2C-01 EN 4008-015 1 M22520/4A-01EN 4008-017 4.6.2 The contact insertion/extraction tools Conform to MIL-I-81969: insertion/e
34、xtraction tool: M81969/1A-03 4.7 Stripping Cable group codes WK, WS, WL and XY a) Strip the cable as shown on Figure 3 with: X = 5 mm to 5,50 mm Y = 3,75 mm to 4,25 mm Z = 3 mm max. b) Slide ferrule over cable sheath. Fold back the inner braid on cable sheath. Cut high immunity ribbon on 3 mm strip
35、off length. Slide centre contact over the centre conductor until it butts against the dielectric. Crimp centre contact using tools described in Table 2. c) Push centre contact assembly into contact outer body. Fold braid over barrel. Slide ferrule to 0,50 mm min of crimp barrel shoulder. Crimp the f
36、errule once by using the tools described in Table 2. Rotate the contact of about 45. Crimp the ferrule a second time by using the tools described in Table 2. EN 3155-028:20068 Cable code WG a) Strip the cable as shown on Figure 3 with: X = 5 mm to 5,50 mm Y = Z = 3,75 mm to 4,25 mm b) Slide ferrule
37、over cable sheath. Flare the braid. Slide centre contact over centre conductor until it butts against the dielectric. Crimp centre contact using tools described in Table 2. c) Push centre contact assembly into the contact outer body. Fold back braid over barrel. Slide ferrule to 0,50 mm min of crimp
38、 barrel shoulder. Crimp the ferrule once by using the tools described in Table 2. Rotate the contact of about 45. Crimp the ferrule a second time by using the tools described in Table 2. Figure 3 EN 3155-028:20069 4.8 Tests See Table 3. Table 3 Applicable EN 2591- Test Not applicableAccording toEN 3
39、155-001 Remarks 101 Visual examination X 102 Examination of dimensions and mass X See 4.2. Test temperature: ambient. Contact resistance whatever the cable code is: Initial After testCentre 10 m 15 m 201 Contact resistance - low level X Outer Not applicable Test current: Central contact: 1 A Outer c
40、ontact: 12 A Contact resistance at ambient temperature whatever the cable code is: Initial After testCentre 10 m 15 m Outer 1,5 m 2 m Contact resistance at (150 05+) C whatever the cable code is: Initial After testCentre 10 m 20 m 202 Contact resistance at rated current X Outer 1,5 m 3 m 203 Electri
41、cal continuity at microvolt level X 204 Discontinuity of contacts in the microsecond range X Duration of discontinuity 0,1 s Refer to tests EN 2591-402 and EN 2591-403 206 Measurement of insulation resistance X Method C Contacts mated 5 000 M at ambient temperature 2 000 M at (150 05+) C 207 Voltage
42、 proof test X Method C Contacts mated 750 Va.c. at sea level. Maximum leakage current: 5 mA maximum continued EN 3155-028:200610 Table 3 (continued) Applicable EN 2591- Test Not applicableAccording toEN 3155-001 Remarks 210 Electrical overload X 211 Capacitance X 212 Surface transfer impedance X 220
43、 Contact/conductor joint ageing by current and temperature cycling X 301 Endurance at temperature X T = (150 05+) C Duration: 1 000 h 305 Rapid change of temperature X TA= (150 05+) C TB= ( 65 05+) C 306 Mould growth X 307 Salt mist X 315 Fluid resistance X According to EN 3682-001 316 Ozone resista
44、nce X 402 Shock X Method A, severity 30, see EN 3682-001. 403 Sinusoidal and random vibration X According to EN 3682-001. 406 Mechanical endurance X 417 Tensile strength (crimped connection) X Cable code XY and WL: centre: 15 N outer: 65 N Cable code WG: centre: 15 N outer: 45 N Cable code WS and WK
45、: centre: 35 N outer: 80 N 418 Gauge insertion/extraction forces (female contacts) X Gauge as described in Figure 4 and Table 4 Insertion Initial = 3,33 N max. After test = 3,89 N max. Extraction Initial = 0,14 N max. After test = 0,11 N max. 501 Soft solderability X continued EN 3155-028:200611 Tab
46、le 3 (concluded) Applicable EN 2591- Test Not applicableAccording toEN 3155-001 Remarks 503 Contact deformation after crimping X Cable size in accordance with Table 2 Centre contact concentricity tolerance shall not exceed 0,28 mm. Centre contact and outer body crimping zone shall not exceed 0,15 mm
47、 expansion. 507 Plating porosity 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 flux X NOTE Tests EN 2591-201, EN 2591-202
48、, EN 2591-417 and EN 2591-503 must be performed for each cable group; other tests are performed for the worst case. 4.9 Gauge See Figure 4 and Table 4. Key 1 Blend radius Figure 4 Table 4 Gauge A 0,399 max. 0,394 0,368 min. 0,363 EN 3155-028:200612 5 Designation EXAMPLE Description block Contact ele
49、ctrical Identity block EN3155-028M16A Number of this standard Type of contact: M = male Contact size Permissible cable group code (see Table 2) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 6 Marking See EN 3155-001. 7 Delivery conditions The contacts are packaged and identified individually. Conditioning shall provide protection of the contacts against any eventual damage. Packaging shall inc
