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    EN 2997-001-2011 en Aerospace series - Connectors electrical circular coupled by threaded ring fire-resistant or non fire-resistant operating temperatures - 65 C to 175 C continuou.pdf

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    EN 2997-001-2011 en Aerospace series - Connectors electrical circular coupled by threaded ring fire-resistant or non fire-resistant operating temperatures - 65 C to 175 C continuou.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 2997-001:2011Aerospace series Connectors, electrical, circular,coupled by threaded ring, fire-resistant or non fire-resistant,operating temperatures 65C to 175 C continuous

    2、, 200 Ccontinuous, 260 C peakPart 001: Technical specificationBS EN 2997-001:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 2997-001:2011. It supersedes BS EN 2997-001:2006 which is withdrawn.The UK participation in its preparation was entrusted to T e c h

    3、 n i c a l Committee ACE/6, Aerospace avionic electrical and fibre optic technology.A list of organizations represented on this committee 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

    4、 correct application. BSI 2011 ISBN 978 0 580 74090 9 ICS 49.060 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2011.Amendments issued since publication

    5、Date T e x t a f f e c t e dBS EN 2997-001:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2997-001 May 2011 ICS 49.060 Supersedes EN 2997-001:2006English Version Aerospace series - Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating t

    6、emperatures - 65 C to 175 C continuous, 200 C continuous, 260 C peak - Part 001: Technical specification Srie arospatiale - Connecteurs lectriques circulaires accouplement par bague filete, rsistant au feu ou non, tempratures dutilisation - 65 C 175 C continu, 200 C continu, 260 C en pointe - Partie

    7、 001: Spcification technique Luft- und Raumfahrt - Elektrische Rundsteckverbinder mit Schraubkupplung, feuerbestndig oder nicht feuerbestndig, Betriebstemperaturen - 65 C bis 175 C konstant, 200 C konstant, 260 C Spitze - Teil 001: Technische Lieferbedingungen This European Standard was approved by

    8、CEN on 17 March 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standard

    9、s may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notif

    10、ied to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania

    11、, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN A

    12、ll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2997-001:2011: EBS EN 2997-001:2011EN 2997-001:2011 (E) 2 Contents Page Foreword 3Introduction .41 Scope 42 Normative references 43 Terms and definitions .54 Description .55 Design .76 Def

    13、inition drawings and masses 87 Tests . 448 Quality assurance . 629 Designation and marking . 7210 Delivery conditions . 7411 Packaging 7412 Storage . 74BS EN 2997-001:2011EN 2997-001:2011 (E) 3 Foreword This document (EN 2997-001:2011) has been prepared by the Aerospace and Defence Industries Associ

    14、ation of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This

    15、document supersedes EN 2997-001:2006. 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 2011, and conflicting national standards shall be withdrawn at the latest by November 2011. Attention

    16、 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 CEN/CENELEC Internal Regulations, the national standards organizations of the

    17、following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,

    18、Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 2997-001:2011EN 2997-001:2011 (E) 4 Introduction This family of connectors is derived from MIL-DTL-83723 series III, type T with which it is intermateable. It is particularly suitable for use on aircraft engines and in zone

    19、s of severe environmental conditions on board aircraft, applying EN 2282. These connectors are distinguishable from MIL-DTL-83723 by: the mechanical stop for coupling being achieved manually; the coupling system having a self-locking nut that features a greater resistance to decoupling; the variety

    20、of the functional classes and models, including models with integrated cable outlets. 1 Scope This European Standard specifies the general characteristics, the conditions for qualification acceptance and quality assurance, and the test programs and groups for threaded ring coupling circular connecto

    21、rs, fire-resistant or non fire-resistant, intended for use in a temperature range from 65 C to 175 C continuous, 200 C continuous or 260 C peak according to the classes and models. 2 Normative references The following referenced documents are indispensable for the application of this document. For d

    22、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2267-002, Aerospace series Cables, electrical, for general purpose Operating temperatures between 55 C and 260 C Part 002: General EN 2282, Ae

    23、rospace series Characteristics of aircraft electrical supplies EN 2346-002, Aerospace series Cable, electrical, fire resistant Operating temperatures between 65 C and 260 C Part 002: General EN 2591 (all parts), Aerospace series Elements of electrical and optical connection Test methods EN 2997 (all

    24、 parts), Aerospace series Connectors, electrical, circular, coupled by threaded ring, fire-resistant or non fire-resistant, operating temperatures 65 C to 175 C continuous, 200 C continuous, 260 C peak EN 3155-001, Aerospace series Electrical contacts used in elements of connection Part 001: Technic

    25、al specification EN 3197, Aerospace series Design and installation of aircraft electrical and optical interconnection systemsEN 3660-003, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 003: Grommet nut, style A for EN 2997 and EN 4067 Pr

    26、oduct standard EN 3660-004, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 004: Cable outlet, style A, straight, unsealded with clamp strain relief for EN 2997 and EN 4067 Product standard BS EN 2997-001:2011EN 2997-001:2011 (E) 5 EN 366

    27、0-033, Aerospace series Cable outlet accessories for circular and rectangular electrical and optical connectors Part 033: Band Product standard 1)EN 3909, Aerospace series Test fluids and test methods for electric components and sub-assemblies EN 4529-003, Aerospace series Elements of electrical and

    28、 optical connection Sealing plugs Part 003: Class T Product standard EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts ISO 263, ISO Inch screw threads General plan and selection for screws, bolts and nuts Diameter range 0,06 to 6 in ISO 2685, A

    29、ircraft Environmental test procedure for airborne equipment Resistance to fire in designated fire zones MIL-HDBK-454B, General guidelines for electronic equipment 2)MIL-DTL-83723, Connector, electrical circular, environment resistant, receptacles and plugs, general specification for 3 Terms and defi

    30、nitions For the purposes of this document, the terms and definitions given in EN 2591-100 apply. 4 Description 4.1 General Different variants of materials, housings and contact arrangements are provided according to the model and class. These connectors use crimp or solder contacts of sizes 22, 20,

    31、16 and 12. The receptacles and plugs contain either male contacts or female contacts. The contacts fitted in the classes Y and YE receptacles are exclusively of the male non-removable solder type. The connectors are polarized by means of keyways and keys; polarization shall be obtained before the ma

    32、le contacts enter the insert of the female contacts and before the coupling ring is engaged. The position of the keying arrangement is given in Table 5. Masking of the blue colour band on the receptacle provides visual indication of full coupling. Only the connectors shell sizes 8,10 and 12 with siz

    33、e 22 contacts are mechanical scoop proof . 4.2 Receptacle The receptacle may be attached by: 1) In preparation at the date of publication of this standard. 2) Published by: Department of Defense (DoD), http:/www.defenselink.mil/. BS EN 2997-001:2011EN 2997-001:2011 (E) 6 square flange; the jam-nut w

    34、ith O-ring sealing; for spare parts, see EN 2997-002; round flange for attachment by soldering/brazing/welding, classes Y and YE only. The receptacle contains five keyways into which the keys of the plug engage. The main keyway is fixed and is wider than the others. Polarization is ensured by differ

    35、ent positions of the secondary keyways. The position of the insert is fixed relative to the main keyway. 4.3 Plug The plug contains five keys, which engage in the keyways of the receptacle. The main key is wider than the others. Polarization is ensured by different positions of the secondary keys. T

    36、he position of the insert is fixed relative to the main key. The coupling ring permanently fitted on the plug enables the connectors to be coupled and uncoupled. The coupling torque shall be at least 50 % lower than the uncoupling torque. The internal thread of the coupling ring may be treated durin

    37、g manufacture with a suitable lubricant compatible with the performance required in this standard. The plug of classes S, SE, SV, RS and WS is fitted with a grounding spring device ensuring electrical continuity between the coupled connector housings. 4.4 Materials and surface treatment 4.4.1 Genera

    38、l When dissimilar metals are in close contact, adequate protection against corrosion shall be used for the electromotive force of the cell not to exceed 0,25 V (see EN 3197). 4.4.2 Housings The material of the housing for the connectors and for the fittings may either be passivated stainless steel o

    39、r aluminium alloy protected against corrosion by nickel or cadmium plating (see EN 2997-002). 4.4.3 Contacts Unless otherwise specified, the contacts shall be in ferrous alloy for classes Y and YE and in copper alloy for the other models. The contacts for classes Y and YE shall be gold-plated on an

    40、appropriate undercoat (silver undercoat shall not be used). Selective protection is authorized provided that it is sufficient to ensure that performance is not affected. Measurement of the thickness of the protective treatment shall be effected in accordance with EN 2591-508. For removable contacts,

    41、 see EN 2997-002. 4.4.4 Non-metallic materials The materials used for insert, seals and grommets shall have hardness and mechanical and electrical characteristics consistent with the required use. BS EN 2997-001:2011EN 2997-001:2011 (E) 7 5 Design 5.1 Housings The connector housings shall be in one

    42、unit. They shall contain teeth at the rear over the entire periphery and shall accommodate the cable outlet accessory and other fittings except for connectors with integrated cable outlet. The receptacle shall furthermore be fitted with an O-ring seal for sealing the coupled housings. Receptacles fo

    43、r attachment by nut shall contain an O-ring seal. The nut shall have holes for the passage of locking wire. The threads shall conform to ISO 263. The coupling ring shall be designed so that the male and female contacts engage when it is rotated clockwise and disengage when it is rotated anti clockwi

    44、se. The coupling ring shall be knurled to aid gripping by hand. On completion of tightening of the coupling ring, mechanical metal to metal contact shall exist between the receptacle and the plug mating faces, indicated by masking of the blue colour band (see Figure 1). The cable outlet accessories

    45、shall compress the grommet of the connectors without twisting it. A blue colour band indicating that the crimp contacts of the connectors are intended for rear removal shall be provided: behind the flange of the receptacles with square flange; on the flange of receptacles with jam nut attachment; on

    46、 the coupling ring of the plugs. The position of the blue colour bands shall be such that at least one of them is visible at all times on the coupling ring of the plug. 5.2 Inserts The insert carrying the male and female contacts shall be in hard material and have a cross section and radii such that

    47、 no cracks, flaking or breaks can occur in normal operation. The insert for contacts shall be non-removable; it shall be mechanically held in the housing. Sealing shall be provided between the housing and insert. The front face of the insert shall be such that sealing is ensured when the connectors

    48、are coupled. The interfacial seal of the insert of the male contacts shall be bonded on the hard insert. The grommet shall permit sealing for all cable diameters indicated in EN 2997-002 and shall not be removable. The mechanical contacts retention system shall be integrated in the hard insert. The

    49、design of non-hermetic connectors shall permit individual installation of the contacts without removal of the insert or grommet. Insertion and removal of the contacts shall be from the rear with the tools specified in the product standards. BS EN 2997-001:2011EN 2997-001:2011 (E) 8 6 Definition drawings and masses 6.1 General The general dimensions and the masses of receptacles, plugs and protec


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