1、f Nota - Extra copies can lie supplied by B.N.A.E. - Technopolis 54 - 199. rue Jean-Jacques Rousseau - 92138 ISSY-LES-MOULINEAUX CEDEX _ CEN PREN82591 (PARTsCL5) 92 W 3404589 O026904 2 = I A. E. C. M. A. STAN DAR D NORME A.E.C.M.A. A.E.C.M.A. NORM Edition approved for publication 1992-06-05 prEN 259
2、1 Parf CI 5 Issue P 1 June 1992 Comments should be sent within six months after the date of publication decision A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cdex - FRANCE EDITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 1
3、75, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cdex - Tl. (1) 47.36.98.76 UDC : Key words : ENGLISH VERSION Aerospace series Elements of electrical and optical connection Test methods Part CI5 - Fluid resistance Srie arospatiale Luft- und Raumfahrt Mthodes dessais Prfverfa hren Organes
4、de connexion lectrique et optique Partie CI 5 - Rsistance aux fluides Elektrische und optische Verbindungselemente Teil CI 5 - Bestndigkeit gegen Flssigkeiten This Aerospace Seriesa pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel A
5、rospatia/). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Commission foliowing comment by the Member countries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an exten
6、t that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Sta
7、ndard to CEN (European Committee for Standardization) for final vote. C2 Chairman M. J. LE CUNFF (CJ aecrna 1992 COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services- CEN PREN*259L (PART*CLS) 92 m 3404589 002b905 4 prEN 259 1 -CI 5 Page 3 1
8、 Scope and field of application This standard specifies a method of checking the behaviour of elements of connection in fluids and lubricants. It shall be used together with EN 2591. 2 References EN 2591 Aerospace series - Elements of electrical and optical connection - Test methods - General EN 259
9、1 -Al Aerospace series - Elements of electrical and optical connection - Test methods - Part Al - Visual examination ) EN 259 1-66 Aerospace series - Elements of electrical and optical connection - Test methods - Part 66 - Measurement of insulation resistance 1) EN 259 1 -D8 Aerospace series - Eleme
10、nts of electrical and optical connection - Test methods - Part D8 - Mating and unmating forces 2) EN 259 1 -D9 Aerospace series - Elements of electrical and optical connection - Test methods - Part D9 - Contact retention in insert 2) 3 Preparation of specimens 3.1 The specimens shall be fitted with
11、the normal accessories and wired in accordance with the technical specification. Unwired contact cavities shall be fitted with filler plugs. 3.2 Unless indicated in the technical specification, the following details shall be specified : - types of fluids, - number of specimens, if different from one
12、 per fluid, - type of cable, - number of cycles, temperature and duration of immersion, if different from those indicated, - insulation resistance, - possible lubrication of locking mechanism, - mating and unmating forces, - retention of contact in insert, - temperature for the third phase, - limit
13、temperature of the specimen. 1) in preparation at the date of publication of the present standard. 2) Published as AECMA pre-standard at the date of publication of the present standard. 7 Previous page is blank COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Inform
14、ation Handling ServicesCEN PREN*E59L (PARTxCL5) 92 E 3404589 0026906 6 W prEN 2591-CI5 Page 4 4 Method 4.1 Initial measurements (if applicable) They shall be carried out in accordance with the technical specification. 4.2 Procedure Each specimen shall be subjected to only one of the fluids indicated
15、 in the technical specification chosen from the families indicated in the table 1. Table 1 - Fluids - Type of fluid Fuels Hydraulic fluids - mineral - synthetic Liquid lubricants - mineral - synthetic Cleaning products De- icing liquids Extinguishing liquids (at an overpressure of 0,l MPa) Cooling l
16、iquids Greases Temperature oc 40 85 85 120 150 25 50 -15 50 70 If the test is carried out at a temperature exceeding the flach-point, appropriate safety measures shall be taken. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling ServicesCEN PREN*2
17、59L (PART*CL5) 92 m 3484589 002bC17 8 m prEN 2591 -CI 5 Page 5 r. Each cycle comprises three phases (see figure 1) “c I According to - technical specification Dependent. on fluid 23 “C 4.2.1 First phase rimer cion 15 min. - Draining Conditioning 24h .= - Figure 1 -Test cycle 4.2.1 .I Liquids : immer
18、sion (; Specimens shall be unmated. The specimens and the liquid shall be first of all brought to the temperature required by table 1. Immerse the specimens for (15 +E) min unless otherwise indicated in the technical specif cation. The temperature of the fluid shall not exceed the limit of the tempe
19、rature specimen. of the 4.2.1.2 Greases : application The specimens shall be mated. The specimens and the grease shall be first of all brought to the temperature required by table 1. +5 The grease shall be spread in a fine film with a brush. The specimens shall be then placed in an oven for a period of (1 5 o) min. COPYRIGHT Association Europeene Des Constructeurs de Materiel AerospaceLicensed by Information Handling Services
