1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 2591-403:2012Aerospace series Elementsof electrical and opticalconnection Test methodsPart 403: Sinusoidal and random vibrationBS EN 2591-403:2012 BRITISH STANDARDNational
2、forewordThis British Standard is the UK implementation of EN 2591-403:2012.It supersedes BS EN 2591-403:1998 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represente
3、d on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 66950
4、7ICS 49.060Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2012.Amendments issued since publicationDate Text affectedBS EN 2591-403:2012EUROPEAN STAND
5、ARD NORME EUROPENNE EUROPISCHE NORM EN 2591-403 August 2012 ICS 49.060; 49.090 Supersedes EN 2591-403:1998English Version Aerospace series - Elements of electrical and optical connection - Test methods - Part 403: Sinusoidal and random vibration Srie arospatiale - Alliage de Organes de connexion lec
6、trique et optique - Mthodes dessais - Partie 403: Vibrations sinusodales et alatoires Luft- und Raumfahrt - Elektrische und optische Verbindungselemente - Prfverfahren - Teil 403: Sinus- und rauschfrmige Schwingungen This European Standard was approved by CEN on 23 March 2012. CEN members are bound
7、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 standards may be obtained on application to the CEN-
8、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 notified to the CEN-CENELEC Management Centre has
9、 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Lux
10、embourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CE
11、N All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2591-403:2012: EBS EN 2591-403:2012EN 2591-403:2012 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Preparation of specimens . 44 Method A Sinusoidal vibration 55 Metho
12、d B Random vibration 7BS EN 2591-403:2012EN 2591-403:2012 (E) 3 Foreword This document (EN 2591-403:2012) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Associati
13、on, 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 European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement,
14、at the latest by February 2013, and conflicting national standards shall be withdrawn at the latest by February 2013. Attention 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
15、 any or all such patent rights. This document supersedes EN 2591-403:1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, De
16、nmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 2591-4
17、03:2012EN 2591-403:2012 (E) 4 1 Scope This European Standard specifies a method of determining the ability of elements of connection to withstand sinusoidal or random vibrations of specified severities. It will be used together with EN 2591-100. This test is based on EN 60068-2-6 and EN 60068-2-64.
18、2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amend
19、ments) applies. EN 2591-100, Aerospace series Elements of electrical and optical connection Test methods Part 100: General EN 2591-101, Aerospace series Elements of electrical and optical connection Test methods Part 101: Visual examination EN 2591-201, Aerospace series Elements of electrical and op
20、tical connection Test methods Part 201: Contact resistance low level EN 2591-202, Aerospace series Elements of electrical and optical connection Test methods Part 202: Contact resistance at rated current EN 2591-204, Aerospace series Elements of electrical and optical connection Test methods Part 20
21、4: Discontinuity of contacts in the microsecond range EN 2591-408, Aerospace series Elements of electrical and optical connection Test methods Part 408: Mating and unmating forces EN 60068-2-6, Environmental testing Part 2-6: Tests Test Fc: Vibration (sinusoidal)EN 60068-2-64, Environmental testing
22、Part 2-64: Tests Test Fh: Vibration, broadband random and guidance 3 Preparation of specimens 3.1 Preparation Specimens shall be prepared according to the technical specification. BS EN 2591-403:2012EN 2591-403:2012 (E) 5 3.2 Technical details - Technical specification Unless specified in the techni
23、cal specification, the following details shall be stated a) mounting method, type of cable and definition of specimen wiring; b) specimens mated or unmated and fitted with protective covers (if applicable); c) number of mating and unmating operations (if applicable); d) type of accessories to be fit
24、ted on specimens; e) initial measurements and requirements, (if applicable); f) fixing points of sensors on specimens (if applicable); g) test severity: 1) sinusoidal or random vibration curve (method A Figure 1 or method B Figure 2 or 3); 2) temperature (maximum, minimum and ambient); 3) duration.
25、h) mating and unmating forces; i) applicable contact resistance test (EN 2591-201 or EN 2591-202); j) final measurements (if applicable). 4 Method A Sinusoidal vibration 4.1 EN 60068-2-6 This test method is to be performed in accordance with the requirements of EN 60068-2-6. 4.2 Apparatus The vibrat
26、ion apparatus shall meet the requirements Clause 4 of EN 60068-2-6. 4.3 Initial measurements Initial measurements shall be carried out as specified in the technical specification. 4.4 Procedure 4.4.1 Endurance The specimens shall be subjected to endurance by sweeping as detailed in EN 60068-2-6 subc
27、lause 8.2.1 at the levels specified in the product standard. 4.4.2 Test duration The entire frequency range of 5 Hz to 3 000 Hz and return to 5 Hz shall be swept in 20 min. This cycle shall be performed 12 times in each of three axes so that test duration shall be approximately 12 h. BS EN 2591-403:
28、2012EN 2591-403:2012 (E) 6 4.5 Preferred vibration levels 4.5.1 General The product standard should indicate one or more of the following severities. 4.5.2 Level 1 Over the frequency range 5 Hz to 3 000 Hz, constant amplitude of 0,7 mm, or constant acceleration of 10 g, (cross-over frequency 59,6 Hz
29、) whichever is the lesser. 4.5.3 Level 2 Over the frequency range 5 Hz to 3 000 Hz, constant amplitude of 1,0 mm, or constant acceleration of 10 g, (cross-over frequency 70.5 Hz) whichever is the lesser, 4.5.4 Level 3 Over the frequency range 5 Hz to 3 000 Hz, constant amplitude of 1,0 mm, or consta
30、nt acceleration of 10 g, (cross-over frequency 70.5 Hz) whichever is the lesser up to a frequency of 119,1 Hz, followed by constant amplitude of 0,35 mm, or 30 g, (cross-over frequency 145,9 Hz) whichever is the lesser. Key 1 Amplitude (single) Y Acceleration frequency Figure 1 Sinusoidal vibration
31、(Nomograph) BS EN 2591-403:2012EN 2591-403:2012 (E) 7 5 Method B Random vibration 5.1 EN 60068-2-64 This test method is to be performed in accordance with the requirements of EN 60068-2-64. 5.2 Apparatus The vibration apparatus shall satisfy the requirements for testing of Clause 4 of EN 60068-2-64.
32、 5.3 Initial measurements They shall be carried out as specified in the technical specification. 5.4 Procedure The vibration test shall be performed in accordance with 8.1 Method 2 of EN 60068-2-64. Initial, and final response investigations are not required. 5.5 Preferred vibration levels 5.5.1 Vib
33、ration monitoring The vibration magnitude shall be monitored as near as possible to the specimen fixing points to confirm compliance with the specified vibration curve at all measuring points. The specimens shall be vibrated in each of the three axes perpendicular between them, one axis being parall
34、el to the coupling axis. Unless otherwise specified measurements to EN 2591-204 (Method B) shall be carried out on contacts and (if applicable) the shielding connection. No discontinuity higher or equal to 1 s shall be observed. Discontinuities lower than 1 s are admissible provided their repetition
35、 rate does not exceed 1 Hz. 5.5.2 Random vibration severity The test severity is given by a combination of spectral shape, spectral density, duration and temperature. 5.5.3 Spectral shape and density See Figure 2 and Table 1 or Figure 3 and Table 2. BS EN 2591-403:2012EN 2591-403:2012 (E) 8 Key 1 6
36、dB/octave 2 24 dB/octave Y Spectrale shape frequency Figure 2 Spectral shape (lower noise r.m.s. values) Table 1 Characteristics Level Power spectral density Noise r.m.s. value m/s A 0,02 51B 0,04 72C 0,06 88 D 0,1 114E 0,2 161F 0,3 196 G 0,4 226H 0,6 278J 1 359 K 1,5 439BS EN 2591-403:2012EN 2591-4
37、03:2012 (E) 9 Key 1 6 dB/octave 2 12 dB/octave 3 24 dB/octave Y Spectrale shape frequency Figure 3 Random vibrations (higher noise r.m.s. values) Table 2 Characteristics Level Power spectral density Noise r.m.s. value m/s A 0,02 58B 0,04 81C 0,06 100 D 0,1 129E 0,2 183F 0,3 223 G 0,4 259H 0,6 317J 1
38、 409 K 1,5 501BS EN 2591-403:2012EN 2591-403:2012 (E) 10 5.5.4 Test duration The specimens shall be subjected to the specified vibration level for 8 min, 15 min, 1,5 h or 8 h as specified in the technical specification for each of the three axes. 5.6 Final measurements (if applicable) The specimens
39、shall be subjected to the following test sequence: EN 2591-101; EN 2591-408; EN 2591-201 or EN 2591-202. This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents t
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