1、BRITISH STANDARD AEROSPACE SERIESBS EN3155-012:2006Electrical contacts used in elements of connection Part 012: Contacts, electrical, triaxial, size 8, male, type D, solder, class R Product standardThe European Standard EN 3155-012:2006 has the status of a British StandardICS 49.060g49g50g3g38g50g51
2、g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 3155-012:2006This British Standard was published under the authority of the Standards Policy and Strategy Commi
3、ttee on 31 July 2006 BSI 2006ISBN 0 580 48972 8National forewordThis British Standard is the official English language version of EN 3155-012:2006. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommi
4、ttee ACE/6/-/3, Aerospace Connectors, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be
5、 found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are r
6、esponsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and ke
7、ep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 15 and a back cover.The BSI copyright notice displayed in this document indicate
8、s when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3155-012July 2006ICS 49.060English VersionAerospace series - Electrical contacts used in elements ofconnection - Part 012: Contacts, electrical, triaxial, si
9、ze 8, male,type D, solder, class R - Product standardSrie arospatiale - Contacts lectriques utiliss dans lesorganes de connexion - Partie 012 : Contacts lectriques,triaxiaus, taille 8, mles, type D, souder, classe R -Norme de produitLuft- und Raumfahrt - Elektrische Kontakte zur Verwendungin Verbind
10、ungselementen - Teil 012: Elektrische triaxialeStiftkontakte, Gre 8, Typ D, zum Lten, 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 EuropeanSta
11、ndard the status of a national standard 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,
12、German). A version in any other language 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, De
13、nmark, Estonia, Finland, France,Germany, 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 NORMALISATI
14、ONEUROPISCHES KOMITEE FR NORMUNGManagement 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 3155-012:2006: E2 Contents Page Foreword3 0 Introduction4 1 Scope 4 2 Normative references 4
15、3 Definitions 5 4 Required characteristics.5 4.1 Specific characteristics.5 4.2 Dimensions and mass.5 4.3 Material, surface treatment.6 4.3.1 Material .6 4.3.2 Protective coating6 4.3.3 Dielectric.6 4.3.4 Heat-shrinkable tubing6 4.4 Permissible cables 6 4.5 Stripping of cables and wiring method .6 4
16、.6 Tooling . 10 4.7 Tests. 11 4.8 Gauge. 14 5 Designation . 14 6 Marking 15 7 Conditioning 15 8 Technical specification 15 EN 3155-012:20063 Foreword This European Standard (EN 3155-012:2006) has been prepared by the AeroSpace and Defense Industries Association of Europe - Standardization (ASD-STAN)
17、. After enquiries and votes carried out in accordance with the rules of this Association, this Standard has re-ceived the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status
18、 of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2007, and conflicting national standards shall be withdrawn at the latest by January 2007. Attention is drawn to the possibility that some of the elements of this document may be the subje
19、ct of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyp
20、rus, Czech Republic, Den-mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem-bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzer-land and the United Kingdom. EN 3155-012:20064 0 Introduction
21、The contacts defined by this standard are derived from and interchangeable with those of MIL-C-39029/90A. They are also interchangeable with those of standard EN 3155-010. 1 Scope This standard specifies the required characteristics and tests applicable to size 8, male triaxial electrical con-tacts
22、012, 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 female contacts are defined in EN 3155-011 and EN 3155-013. 2 Normative references The following referenced documents are indispensable for the applicatio
23、n of this document. For dated refer-ences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2591 (series), Aerospace series Elements of electrical and optical connection Test methods EN 3155-001, Aerospace se
24、ries Electrical contacts used in elements of connection Part 001: Technical specification EN 3155-002, Aerospace series Electrical contacts used in elements of connection Part 002: List and utilization of contacts EN 3155-010, Aerospace series Electrical contacts used in elements of connection Part
25、010: Contacts, electrical, triaxial, size 08, male, type D, crimp, class R Product standard EN 3155-011, Aerospace series Electrical contacts used in elements of connection Part 011: Contacts, electrical, triaxial, size 8, female, type D, crimp, class R Product standard1)EN 3155-013, Aerospace serie
26、s Electrical contacts used in elements of connection Part 013: Contacts, electrical, triaxial, size 8, female, type D, solder, class R Product standard EN 3375-003, Aerospace series Cables, electrical, for signal data transmissions Part 003: Cables, bifilar, single braid Product standard EN 3375-004
27、, Aerospace series Cables, electrical, for signal data transmissions Part 004: Cables, bifilar, double braid Product standard EN 3375-005, Aerospace series Cables, electrical, for signal data transmissions Part 005: Cables, bifilar, double braid, high immunity Product standard MIL-A-8243D, Anti-icin
28、g and deicing-defrosting fluids2)MIL-C-25769J, Cleaning compound, aircraft surface, alkaline water base2)MIL-C-39029/90A; Contact, electrical connector, concentric twinax, pin, size 82)MIL-H-5606E, Hydraulic fluid, petroleum base, aircraft, missile and ordnance2)MIL-I-81969/14, Installing and remova
29、l tools, connector electrical contact, type III, class 2, composition B2)MIL-L-7808J, Lubricating oil, aircraft turbine engine, synthetic base, NATO code number 0-1482)MIL-L-7870A, Lubricating oil, general purpose, low temperature2)MIL-L-23699C, Lubricating oil, aircraft turbine engines, synthetic b
30、ase2)SAE AS 1241A, Fire resistant phosphate ester hydraulic fluid for aircraft (March 83)3)1) In preparation at the date of publication of this standard. 2) Published by: Department of Defense (DOD), the Pentagon, Washington DC 20301 USA. 3) Published by Society of Automotive Engineers, Inc. (SAE),
31、400 Commonwealth Drive Warrendale, PA 15096-0001. EN 3155-012:20065 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 oper
32、ating temperature range from 65 C to 150 C. They may be delivered in different conditions defined in Table 9 of EN 3155-001. 4.2 Dimensions and mass See Figure 1 for dimensions. Dimensions and tolerances are given in millimetres. Contact mass: 3,50 g max. Key 1 Diameter of outside after wiring 2 Cor
33、e/centre contact solder zone 3 Core/intermediate contact solder zone 4 Braid/outer contact solder zone 5 Point of contact with a flat ended gauge pin of diameter 2,870 0,005 6 End of contact centre pin 7 Diameter compatible with intermediate pin diameter 2,870 0,025 8 Permitted flat 0,2 max. Figure
34、1 EN 3155-012:20066 4.3 Material, surface treatment 4.3.1 Material Body: copper alloy 4.3.2 Protective coating Gold on appropriate undercoat for copper alloy parts. Thickness not specified. 4.3.3 Dielectric ETFE Fluoropolymer 4.3.4 Heat-shrinkable tubing Radiation cross-linked polyvinylidene fluorid
35、e. 4.4 Permissible cables See Table 1. Table 1 Permissible cable group codes Cable reference A EN 3375-003 B EN 3375-004 C EN 3375-005 4.5 Stripping of cables and wiring method See Figure 2 to Figure 17. Pre-position the screening feature ferrule on the cable Dimensions in millimetres Figure 2 Expos
36、e the braid by stripping the insulation Figure 3 EN 3155-012:20067 Pick up and roll back the braid. Pick up and roll back the first braid. Single braid EN 3375-003 Double braid EN 3375-004 Double braid Mu metal EN 3375-005 Figure 4 Figure 5 Figure 6 Cut the Mu metal strip Pick up and roll back the s
37、econd braid Figure 7 Figure 8 Align the two wires of the pair Cut the filler Strip the conductors Flux (RMA flux) and tin plate the conductors with Sn63 Pb37 Re-cut the conductors to the lengths indicated (white and coloured wires of the pair). Key 1 White colour Figure 9 Figure 10 EN 3155-012:20068
38、 Insert the conductors in the contacts: white conductor: centre contact; colour conductor: intermediate contact; introduce the cable to butt into the contact (centre conductor); check the position of the colour conductor and the position of the sleeve as indicated. Key 1 Colour conductor 2 The sleev
39、e covers the jacket of the colour conductor 3 0 to 1 max. 4 Cable/contact butt Figure 11 After having checked the alignment of the V of the cable clamp with the positioner; insert the contact/cable assembly in the positioner. See Figure 12. Turn on the heating tool for at least 30 s before set-up. P
40、osition the contact in the heating zone using the holding fixture. Key 1 Reflector 2 Positioner 3 Clamp 4 Holding tool Figure 12 Heat until the two solder preforms have completely melted. Leave the assembly to cool for a minimum of 15 s before withdrawing the contact from the fixture. EN 3155-012:20
41、069 Checking the contact set-up. See Figure 13. The contact can only be correctly set-up if all of the following conditions are visually observed: the two solder preforms have disappeared; respecting the overlap of the colour conductor. Key 1 Overlap 2 Melted solder rings NOTE A slight browning of t
42、he kynar sleeve is acceptable given that the performance of the product used is not affected. Figure 13 Bring back the braid(s) over the body of the contact. See Figure 14. Cut the braid according to the dimension indicated. Figure 14 Introduce the screening feature ferrule to butt into the contact
43、shoulder. See Figure 15. Figure 15 EN 3155-012:200610 Heat the screening feature ferrule until solder has completely melted through the holes. See Figure 16. Hold the ferrule with a tool while heating. Leave the assembly to cool for a minimum of 15 s before withdraw-ing the contact from the tool. Fi
44、gure 16 Checking the ferrule set-up The braid shall be correctly wetted by the solder and shall be visible through at least 2 holes in the screening feature ferrule. Figure 17 4.6 Tooling Conform to MIL-I-81969/14 Insertion: not necessary Extraction: M-81969/14-06 Contact termination: the hot air ge
45、nerator 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 tool 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 12); the function of th
46、e cable clamp is to hold the parts in place during the heating and cooling phases. EN 3155-012:200611 4.7 Tests See Table 2. Table 2 Applicable EN 2591- Test Not applicableAccording to EN 3155-001 Remarks 101 Visual examination X 102 Examination of dimensions and mass X 201 Contact resistance low le
47、vel X Cable as per Table 1 Probe distance: (150 2) mm Test temperature: ambient Maximum contact resistance m Contact Initial After tests Centre Intermediate 55 66 Outer Not applicable 202 Contact resistance at rated current X Cable as per Table 1 Probe distance: (150 2) mm Maximum contact resistance
48、 m (2530+) C (150 30+) C Contact Initial After tests After tests RatedcurrentA Centre Intermediate 55 66 94 1 Outer 6,3 7,5 10,7 12 204 Discontinuity of contacts in the microsecond range X Method B Duration of discon-tinuity: 5 G At 150 C 2 G 207 Voltage proof test X Method C Proof test voltage at s
49、ea level: 1 000 V r.m.s. between centre contact and in-termediate contact and 500 V r.m.s. between intermediate contact and outer contact. Proof test voltage at altitude: 125 V r.m.s. at 1,1 kPa pressure (33 000 m). Leakage current: 2 mA 210 Electrical overload X EN 3155-012:200612 Table 2 (continued) Applicable EN 2591- Test Not applicableAccording to EN 3155-001 Remarks 211 Capacity measurement X 212 Transfer impedance Under investigation 213 Shielding effectiveness fro
