1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 28 February 2005 prEN 4530-001 Edition P 1 February 2005 Comments should be sent within six months after the date of publication to AECMA-STAN PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION Gulled
2、elle 94 - B-1200 Brussels - Tel. + 32 2 775 8110 - Fax. + 32 2 775 8111 - www.aecma-stan.org ICs: 49.060 Descriptors: ENGLISH VERSION Aerospace series Sealing sleeves used in elements of connection Part O01 : Technical specification Srie arospatiale Manchons dtanchit utiliss dans les organes de conn
3、exion Partie O01 : Spcification technique Luft- und Raumfahrt Dichtungshlse zur Verwendung in Verbindungselementen Teil O01 : Technische Lieferbedingungen This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA-STAN (The European Association d Aerospace Industries - S
4、tandardization). It is published 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 shall not be changed to an extent that interc
5、hangeability is affected, physically or functionally, without wdentification of the standard. After examination and review by users and formal agreement of AECMA-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transfo
6、rmation to full European Standard (EN). The CEN national members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Electrical Domain I I Copyright 2005 O by AECMA-STA1 Page 2 prEN 4530
7、01:2005 Fore wo rd This standard was reviewed by the Domain Technical Coordinator of AECMA-STANS Electrical Domain . After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA-STANS General Process Manual. this standard has received approval for Publication . C
8、ontents 1 2 3 4 5 6 7 8 9 10 11 12 13 Scope Normative references Terms and definitions . Conditions of use and temperature classes . Design and description Dimensions and mass . Operation . Tests Quality assurance . Designation and marking . Delivery condition . Packaging . Storage Page 3 3 3 3 4 4
9、4 4 7 a 9 9 9 Page 3 prEN 453001:2005 1 Scope This standard specifies: - the electrical, mechanical, environmental and dimensional characteristics of sealing sleeves used in elements of connection; - the conditions for qualification if the sealing sleeves are not tested during the connector qualific
10、ation, acceptance testing and quality assurance; - the test programme and groups. It is applicable to removable sealing sleeves used in connectors or in other elements of electrical connection. 2 Normative refe re nces The following referenced documents are indispensable for the application of this
11、document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO2859-1, Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) f
12、or lot-by lot inspection. EN 2591-loo*, Aerospace series - Elements of electrical and optical connection - Test methods - Part 100: General. EN 91 33, Aerospace series - Quality management systems - Qualification procedure for aerospace standard parts. MI L-HDBK-454, General Guidelines for Electroni
13、c Equipment. *) 3 Terms and definitions For the purposes of this document, the terns and definitions given in EN 2591-100 and the following apply. 3.1 sealing sleeve device to prevent the ingress of contaminants and to facilitate the insertion and extraction of the contact 4 Conditions of use and te
14、mperature classes The sealing sleeves specified shall be from one of the classes specified below: - class P: maximum operating temperature 125 OC; - class R: maximum operating temperature 150 OC; - class S: maximum operating temperature 200 OC; - class T: maximum operating temperature 260 OC; - clas
15、s U: maximum operating temperature 350 OC. The minimum operating temperature shall be - 65 OC, unless otherwise specified in the product standard. * And all parts quoted in this standard. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) Published by Department of Def
16、ense (DOD), the Pentagon, Washington, DC 20301, USA. Page 4 prEN 453001:2005 5 Design and description Refer to the relevant product standard 6 Dimensions and mass The dimensions of the sealing sleeves and their mass are defined in the product standard. 7 Ope rati on The assembly procedure of the sea
17、ling sleeves is defined in the product standard. 8 Tests See Table 1. Table 1 EN 2591- Test Details 101 Visual examination Initial examination: before and after wiring Details to be examined: - identification of materials in accordance with definition document; - identification; - aspect before and
18、after wiring; - marking; - surface roughness. In accordance with the product standard 102 Examination of dimensions and mass 201 Contact resistance - low level Contact resistance at rated current Not applicable Not applicable 202 203 Electrical continuity at microvolt level Discontinuity of contacts
19、 in the microsecond range Not applicable Not applicable 204 205 Housing (shell) electrical continuity Measurement of insulation resistance Not applicable In accordance with the product standard 206 207 Voltage proof test Temperature rise due to rated current In accordance with the product standard N
20、ot applicable 208 209 Current temperature derating Electrical overload Not applicable 21 o Not applicable 21 1 Capacitance Surface transfer impedance Not applicable 21 2 Not applicable 21 3 Shielding effectiveness from 1 O0 MHz to 1 GHz Not applicable continued Page 5 prEN 453001:2005 EN 2591- Table
21、 1 (continued) Test Deta i Is EN 2591- Test Deta i Is I 21 4 Lightning strike, current and voltage pulse I Not applicable 21 6 Engagement of contacts I Not applicable 220 Contacconductor joint ageing by current and temperature cycling Not applicable 30 1 Endurance at temperature I Not applicable 302
22、 Climatic sequence I Not applicable 303 Cold/low pressure and damp heat I Not applicable 304 Damp heat steady state I Not applicable 305 Rapid change of temperature TA = maximum temperature specified in the TB = minimum temperature specified in the product standard product standard 306 Mould growth
23、Method A Duration: 28 d Nil growth No prior washing No surface etching 307 Salt mist Test conditions in accordance with the product standard 308 Sand and dust I Not applicable 309 31 O Dry heat Not applicable Cold Not applicable 31 1 31 2 Low air pressure Not applicable Air leakage Test conditions i
24、n accordance with the product standard 31 3 31 4 Driving rain (artificial) Not applicable Immersion at low air pressure Test conditions in accordance with the product standard 31 5 Fluid resistance Fluids and test conditions in accordance with the product standard 31 6 Ozone resistance Test conditio
25、ns in accordance with the product standard 31 7 Flammability Test conditions in accordance with the product standard 31 8 Fireresistance I Not applicable 31 9 Gastightness of solderiess wrapped connections I Not applicable 320 Simulated solar radiation at ground level I Not applicable I Table 1 (con
26、tinued) continued Page 6 prEN 453001:2005 EN 2591- Test Details 321 I Damp heat, cyclic test 322 323 I Not applicable Hermeticity Not applicable Themal shock Not applicable 324 40 1 Interfacial sealing Not applicable Acceleration, steady state Not applicable 402 403 Shock Not applicable Sinusoidal a
27、nd random vibration Not applicable 404 405 Transverse load Not applicable Axial load Not applicable 406 407 412 I Contact insertion and extraction forces I Not applicable Mechanical endurance Not applicable Durability of contact retention system and Not applicable seals 413 I Holding force of ground
28、ing spring system I Not applicable 408 409 Mating and unmating forces Contact retention in insert Not applicable Not applicable 41 O 41 1 Insert retention in housing (axial) Insert retention in housing (torsional) Not applicable Not applicable 41 4 41 5 Unmating of lanyard release connectors Test pr
29、obe damage (female contact) Not applicable Not applicable 41 6 41 7 Contact bending strength Not applicable Tensile strength (crimped connection) Not applicable 41 8 41 9 I continued Gauge insertion/extraction forces (female contacts) Stability of male contacts in insert Not applicable Not applicabl
30、e I 420 42 1 Mechanical strength of rear accessories Not applicable Free fall Not applicable 422 424 Locking wire hole strength Stripping force, solderless wrapped connections Not applicable Not applicable 425 50 1 Unwrapping capability, solderless wrapped Not applicable connections Soft solderabili
31、ty Not applicable 502 503 Restricted entry Not applicable Contact deformation after crimping Not applicable 505 506 Contact protection effectiveness (scoop- Not applicable Proof) Use of tools Not applicable Page 7 prEN 453001:2005 EN 2591- 507 Table 1 (concluded) Test Deta i Is Plating porosity Not
32、applicable 508 509 Measurement of thickness of coating on contacts Adhesion of coating on contacts Not applicable Not applicable 51 2 51 3 Effectiveness of non-removable fixing of Not applicable hermetically sealed connector shell Magnetic permeability Not applicable 9 Quality assurance 51 4 9.1 Gen
33、eral Solderability of contacts with self-contained Not applicable solder and flux Quality assurance shall comply with EN 91 33. 9.2 Conditions for qualification 9.2.1 General The sealing sleeves defined by this standard fom an integral part of the element of connection in which they are fitted. When
34、 a test requires the sealing sleeves to be fitted in the connector, a qualified connection device shall be used. In the event of a defect, qualification approval of the element of connection cannot be disputed. 9.2.2 Sampling and definition of specimens Four sealing sleeves plus one for each test fl
35、uid. 9.2.3 Preparation of specimens The specimens shall be fitted in wired element of connection. The outside diameter of the cables shall be in accordance with the product standard of the sealing sleeve. 9.2.4 Test programme The qualification approval tests are defined in Table 4. Test EN 2591-306
36、is to be perfomed on materials, and is not included in the groups below. If the materials used comply with group 1 of MIL-HDBK-454 requirement 4, test EN 2591-306 shall not be performed. Page 8 prEN 453001:2005 Table 2 Tests GROUP O Visual examination Examination of dimensions and mass GROUP 1 Rapid
37、 change of temperature Air leakage Immersion at low air pressure Measurement of insulation resistance Voltage proof test Ozone resistance Salt mist Visual examination Flammability GROUP 2 Fluid resistance a One sealing sleeve shall be tested per fluid. EN 2591- 101 1 02 305 31 2 31 4 206 207 31 6 30
38、7 101 31 7 31 5 Number of specimens 4 a 9.3 Maintenance of qualification See EN 9133. 9.4 Routine tests during production EN 2591-1 01, Visual examination Sampling level: S3 (in accordance with IS0 2859-1) Acceptable quality level: 1 % 10 Designation and marking 10.1 Designation See product standard
39、s. 10.2 Marking When specific identification is necessary, it shall be specified in the product standard. Page 9 prEN 453001:2005 11 Delivery condi ti on Any special requirement for the delivery condition shall be indicated by the product standard. 12 Packaging The sealing sleeves shall be packed to
40、 prevent any damage. A label inserted in the packaging shall state the identification and quantity of sealing sleeves. 13 Storage Storage shall be in a place free from ultraviolet rays. Every five years, an inspection shall be made in accordance with test EN 2591 -101. The date of inspection shall be marked on the new packaging.
