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    AECMA PREN 3646-001-2001 Aerospace Series Connectors Electrical Circular Bayonet Coupling - Operating Temperature 175 Degrees Celsius or 200 Degrees Celsius Continuous Part 001 Tec.pdf

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    AECMA PREN 3646-001-2001 Aerospace Series Connectors Electrical Circular Bayonet Coupling - Operating Temperature 175 Degrees Celsius or 200 Degrees Celsius Continuous Part 001 Tec.pdf

    1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 2001-11-30 prEN 3646-001 Edition P 1 November 2001 Comments should be sent within six months after the date of publication to Gulledelle 94 AECMA-STAN 8-1200 BRUXELLES PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES

    2、 - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 8110 - Fax. (+32) 2 775 8111 ICs: 49.060 Descriptors: Aeronautical industry, aircraft equipment, electrical connection equipment, electrical connector, characteristics, test, quality assurance ENGLISH VERSION Aerospa

    3、ce series Connectors, electrical, circular, bayonet cou pl i ng, operating temperature 175 OC or 200 OC continuous Part O01 : Technical specification Srie arospatiale Luft- und Raumfahrt Connecteurs lectriques circulaires accouplement par baonnettes, temprature dutilisation 175 “C ou 200 “C continu

    4、Partie O01 : Spcification technique Elektrische Ru ndsteckverbi nder mit Bajonettkupplung, Betriebstemperatur 175 “C oder 200 “C konstant Teil 001: Technische Lieferbedingungen This Yerospace Series“ Presfandard has been drawn up under fhe responsibilify of AECMA-STAN (The European Associafion of Ae

    5、rospace Indusfries - Sfandardizafion). If is published on green paper for fhe needs of fhe European Aerospace Indusfry. If has been fechnically approved by fhe experts of fhe concerned Domain following member commenfs. Subsequenf fo fhe publicafion of fhis Presfandard, fhe fechnical confenf shall no

    6、f be changed fo an exfenf fhaf inferchangeabilify is affecfed, physically or funcfionally, wifhouf re-idenfificafion of fhe sfandard. Affer examinafion and review by users and formal agreemenf of AECMA-STAN if will be submiffed as a draff European Sfandard fo CEN (European Commiffee for Sfandardizaf

    7、ion) for formal vofe. Nota - Extra copies can be supplied by B.N.A.E. -Technopolis 54 - 199, rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX I I Electrical Domain Mr Pezzetta I I aecma 200 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under lic

    8、ense with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 2 prEN 3646-001 : 2001 Contents O 1 2 3 4 5 6 7 8 9 10 11 12 Introduction Scope Normative references Definitions Description Design Definition drawings and masses Tests Quality assurance Designatio

    9、n and marking Delivery conditions Packaging Storage Page 3 3 3 4 4 5 6 24 34 39 39 39 39 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 3 prEN 36

    10、46-001 : 2001 O Introduction This family of connectors is derived from MIL-C-26482G, series 2, the NAS 1599 bayonet connector with which it is intermateable and which uses MIL-C-39029D for the contacts. It is particularly suitable for use on aircraft applying EN 2282. These connectors are distinguis

    11、hable from MIL-C-26482G and NAS 1599 by: - being of a lower mass; - having reduced dimensions; - accepting smaller cables. 1 Scope This standard specifies the general characteristics, the conditions for qualification, acceptance and quality assurance, as well as the test programmes and groups for ba

    12、yonet coupling circular connectors, intended for use in an operating temperature range of - 65 “C to 175 “C or 200 “C continuous according to the class and models. 2 Norm ative references This European Standard incorporates by dated or undated reference, provisions from other publications. These nor

    13、mative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated and undated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For

    14、 undated references the latest edition of the publication referred to applies. IS0 263 IS0 4524-1 EN 2266-002 EN 2282 EN 2591* EN 2591-100 EN 3042 EN 3155-001 EN 3197 EN 3646-002 AS 1241C MIL-A-8243D MI L-C-25769J MIL-C-26482G Inch screw threads - General plan and selection for screws, bolts and nut

    15、s - Diameter range 0,06 to 6 Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 1 : Determination of coating thickness Aerospace series - Cables, electrical, for general purpose - Operating temperatures between - 55 “C and 200 “C - Part 002: General 1) Aerospac

    16、e series - Characteristics of aircraft electrical supplies Aerospace series - Elements of electrical and optical connection - Test methods Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General 1) Aerospace series -Quality assurance - EN aerospace product

    17、s -Qualification procedure Aerospace series - Electrical contacts used in elements of connection - Part 001: Technical specification 1) Aerospace series - Installation of aircraft electrical and optical interconnection systems 1) Aerospace series - Connectors, electrical, circular, bayonet coupling,

    18、 operating temperature 175 “C or 200 “C continuous - Part 002: Specification of performance and contact arrangements 1) Fire Resistant Phosphate Ester Hydraulic Fluid for Aircraft 2) Anti-icing and Deicing-Defrosting Fluids 3) Cleaning Compound, Aircraft Surface, Alkaline Water Base Fluids 3) Connec

    19、tor, Electrical, (Circular, Miniature, Quick Disconnect, Environment Resisting), Receptacles and Plugs, General Specification for 3) * And all its parts quoted in this standard 1) Published as AECMA Prestandard at the date of publication of this standard 2) Published by: Society of Automotive Engine

    20、ers, Inc. (SAE), 400 Commonwealth Drive, Warrendale, PA 15096-0001, USA Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 4 prEN 3646-001 : 2001 MIL

    21、-C-39029D MI L-H DBK-454 MIL-H-5606G MIL-PRF-7808L MIL-PRF-7870C MIL-PRF-23699F NAS 1599 TR 4257 Contacts, Electrical Connector, General Specification for 3) General Guidelines for Electronic Equipment 3) Hydraulic Fluid, Petroleum Base; Aircraft; Missile and Ordnance 3) Lubricating Oil, Aircraft Tu

    22、rbine Engine, Synthetic Base 3) Lubricating Oil: General Purpose, Low Temperature 3) Lubricating Oil, Aircraft Turbine Engine, synthetic base, NATO Code Number 0-1 56 3) (Inactive) Connectors, General Purpose, Electrical, Miniature Circular, Environment Resisting, 200 “C Maximum Temperature 4) Aeros

    23、pace series - Elements of electrical and optical connection - Relationship between the numbering systems for parts of EN 2591 5) 3 Definitions See EN 2591-100. 4 Description 4.1 General Different variants of materials, housings and contact arrangements are provided according to the models depending

    24、on the service conditions. These connectors use crimp or solder contacts of sizes 20, 16 and 12. The receptacles and plugs contain either male contacts or female contacts. The contacts fitted in the model Y receptacles are exclusively of the male non removable solder type. The connectors are polariz

    25、ed by means of keyways and keys. When all the male contacts are in place, polarization is obtained by different angular positions of the insulator in relation to the main slot or locking key and shall occur before the coupling ring can carry out its function. The visual check of coupling is obtained

    26、 by viewing the locking pins through the inspection holes in the coupling ring of the plug. 4.2 Receptacle The receptacle may be attached by: - square flange; - nut, with sealing by O-ring at the attachment; - round soldered or brazed flange for model Y connectors. The receptacle contains five keywa

    27、ys in which the keys of the plug engage. The main keyway is fixed and is wider than the others. Polarization is ensured by the different angular positions of the inserts. 4.3 Plug The plug contains five keys which engage in the keyways of the receptacle. The main key is wider than the others. Polari

    28、zation is ensured by the different angular position of the inserts. The coupling ring permanently fitted on the plug enables the connectors to be coupled and uncoupled. The internal guides of the coupling ring may be treated with a suitable lubricant compatible with the performance required in this

    29、standard. The plug of models RS and WS is fitted with a grounding spring device ensuring electrical continuity between the coupled connector housings. 3) Published by: Department of Defense (DOD), the Pentagon, Washington, DC 20301, USA 4) Published by: Aerospace Industries Association of America, I

    30、nc. (AIA), 1250 Eye Street, NW; Suite 1100, Washington, DC 20005, USA 5) Published as AECMA Technical Report at the date of publication of this standard Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or

    31、networking permitted without license from IHS-,-,-Page 5 prEN 3646-001 : 2001 4.4 Materials and surface treatment 4.4.1 Gen era I When different 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)

    32、. 4.4.2 Housings The material of the housing for the connectors and for the fittings may either be passivated stainless steel or light alloy protected against corrosion by nickel or black anodized cadmium plating (see EN 3646-002). 4.4.3 Contact s Unless otherwise specified, the contacts shall be in

    33、 ferrous alloy for models Y and in copper alloy for the other models. They shall be gold-plated on an appropriate undercoat. Selective protection is authorized provided that it is sufficient to ensure that performance is respected. Measurement of the thickness of the protective treatment shall be ef

    34、fected in accordance with IS0 4524-1. 4.4.4 Non-metallic materials The materials used for insert, seals and grommets shall have a hardness and mechanical and electrical characteristics consistent with the required use. 5 Design 5.1 Housings The connector housings shall be in one unit. At the rear of

    35、 the connector housing there shall be either three teeth at 120“ intervals or teeth around the entire periphery. These teeth shall accomodate back shells or other fittings. The receptacle shall furthermore be fitted with an O-ring seal for sealing the coupled housings. Receptacles for attachment by

    36、nut shall contain an O-ring seal. The nut shall have holes for the passage of locking wire. The threads shall conform to IS0 263. The coupling ring shall be designed so that the male and female contacts engage when it is turned in a clockwise direction in the right and disengage when it is turned an

    37、ticlockwise. The coupling ring shall be knurled . The rear fittings shall compress the grommet of the connectors without twisting it. 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 no cracks, flaking or breaks can o

    38、ccur 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 are coupled. The interfacial seal o

    39、f 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 3646-002 and shall not be removable. The mechanical contacts retention system shall be integrated in the hard insert. The design of non-hermetic connectors s

    40、hall permit individual installation of the contacts without removal of the insert or grommet. Fitting and removal of the contacts shall be from the rear with the tools specified in the contact product standards. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IH

    41、S under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 6 prEN 3646-001 : 2001 6 Definition drawings and masses The general dimensions and the masses of receptacles, plugs and protective covers are given in the product standards. 6.1 Receptac

    42、le mating dimensions The mating dimensions of receptacles are shown in figure 1 and details A and B as well as in tables 1, 2 and 3. Dimensions and tolerances are in millimetres. 1 A (8:l 0.89 + I Key 1 a Shells 08 to 18: 5 min. Shells 20 to 24: 6 min. Position of point of electrical contact 2 3 7“3

    43、0 to 11 “30 Radius or chamfer 0,2 mm to 0,381 mm Figure 1 - Receptacle Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 7 prEN 3646-001 : 2001 F 0,

    44、56 0,20 2,13 1,78 Table 1 - Receptacle - Mating dimensions H f 0,18 335 4,38 Housing size A + 0,02 - 0,13 08 10 B C D E + 0,13 - 0,02 max. 12 14 28,58 31,75 16 24,43 21,72 27,61 24,89 18 20 Housing size and contact arrangements 8-33 22 Reduced contact cavities A, B, c 8 - 3Aor 8 - 98 12-10 51 19,05

    45、15,41 13,ll 838 22,23 18,59 1628 8,OO A, B, c C, G 8,40 8,lO 25,40 I 21,76 I 19,46 I I 38,lO I 33,96 I 31,22 I I 24 Table 2 - Details A and B J 0 - 0,4 14,30 17,27 21,82 24,99 28,14 31,32 34,49 37,67 40,89 K + 0,15 - 0,05 1,98 3,18 Copyright Association Europeene des Constructeurs de Materiel Aerosp

    46、atial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 8 prEN 3646-001 : 2001 6.2 Plug mating dimensions The mating dimensions of plugs are shown in figures 2 and 3 and in tables 4 and 5. Dimensions and tolerances are in

    47、millimetres. t-Fi C Coupling ring, bayonet groove detail Key 1 2 3 4 5 a See figure 1. Three mated connectors holes (design optional) Reference. Locking point of the coupling ring. Three bayonet groves equally spaced within 0,13 with three holes equally spaced within 0,25 for visual inspection of co

    48、upling (see detail C). Spring ground ring shall have at least six fingers by 25,4 m length. Diameter i over spring finger Figure 2 - Plug Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking perm

    49、itted without license from IHS-,-,-Page 9 prEN 3646-001 : 2001 Housing size 08 Table 4 - Plug - Mating dimensions I 43,40 I 41,25 I 3,50 I 34,14 I I 31,42 I 3,86 B J L M a + 0,05 + 0,08 + 0,13 + 0,13 - 0,lO - 0,20 - 0,15 - 0,02 9,04 10,16 10,46 9,19 6.3 Receptacle and plug polarization See figures 3, 4 and 5 and tables 5 and 6. Dimensions and tolerances are in millimetres. 10 12 Plug 12,29 13,41 13,71 12,44 15,14


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