1、AECMA STANDARD prEN 2591-423 NORME AECMA Edition P 1 March 2001 AECMA NORM PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION (AECMA-STAN) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (t32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.060 Descriptors: Aircraft industry, aircr
2、aft equipment, elements of electrical and optical connection ENGLISH VERSION Aerospace series Elements of electrical and optical connection Test methods Part 423: Connector rear accessories thread strength Srie arospatiale Luft- und Raumfahrt Mthodes dessais Prverfahren Organes de connexion lectriqu
3、e et optique Partie 423 : Rsistance des filetages arrires Elektrische und optische Verbindungselemente Teil 423: Steckverbinder, Festigkeit des connecteurs des rckwrtigen Gewindes This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association o
4、f Aerospace Industries - Standardization). It is published on green paper 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 technical content shal
5、l 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 if will be submitted as a draft European Standard to CEN (European Committee for Standard
6、ization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199. rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX Comments should be sent within six months after the date of publication to Electrical Domain I Edition approved for publication 2001-03-31 AEC
7、M A-STAN Gulledelle 94 8-1200 BRUXELLES Mr Peuetta I I aecma 200 Page 3 prEN 2591 -423: 2001 I Scope This standard specifies a method to verify the ability of the accessory thread of the connector to withstand stresses. It shall be used together with EN 2591-100. 2 Normative references This European
8、 Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications appl
9、y to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 2591-100 EN 2591-1 O1 Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General 1) Aerospa
10、ce series - Elements of electrical and optical connection - Test methods - Part 1 O1 : Visual examination 3 Preparation of specimens 3. I be deformed by the applied stress), see figure 1, The specimens shall be mated and mounted as in normal service to a rigid panel (which shall not 3.2 Unless indic
11、ated in the technical specification, the following details shall be specified: - torque values. 4 4 II i/ II II 1-5- I U U Key 1 Simulated mounting panel 2 Receptacle shell 3 Plug shell 4 Backshell 5 Torque wrench lever arm Figure I - Connector rear accessory thread strength 1) Published as AECMA Pr
12、estandard at the date of publication of this standard Page 4 prEN 2591-423: 2001 4 Apparat us The torque wrench shall be attached as shown on figure 1. Any suitable equipment for applying and measuring the torque values. 5 Method 5.1 Procedure A torque shall be applied to the accessory end of the plug at a rate of approximately 1 Nds until the required torque is achieved. The applied load shall be held for one minute. 5.2 Requirement After removal, the specimens shall be examined visually as per test EN 2591-101. No deformation on any constituent part shall be observed.
