1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-409:1999 Elements of electrical and optical connection Test methods Part409: Contact retention in insert The European Standard EN2591-409:1999 has the status of a BritishStandard ICS49.060BSEN2591-409:1999 This BritishStandard, having been prepared under
2、the directionof the Engineering SectorCommittee, was publishedunder the authorityofthe Standards Committeeandcomes into effect on 15June1999 BSI03-2000 ISBN 0 580 32645 4 National foreword This BritishStandard is the English language version of EN2591-409:1999. The UK participation in its preparatio
3、n was entrusted by Technical Committee ACE/6, Aerospace avionic, electrical and fibre optic technology, to Subcommittee ACE/6/3, Aerospace connectors, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on t
4、he interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British St
5、andards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Stan
6、dard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover,
7、 an inside front cover, pagesi andii, theEN title page, pages2 and3 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Da
8、te CommentsBSEN2591-409:1999 BSI 03-2000 i Contents Page National foreword Inside front cover Foreword 2 Text of EN2591-409 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN2591-409 March1999 ICS49.060 English version Aerospace series Elements of electrical and optical connection Test me
9、thods Part409: Contact retention in insert Srie arospatiale Organes de connexion lectrique et optique Mthodes dessais Partie409: Rtention du contact dans lisolant Luft- und Raumfahrt Elektrische und optische Verbindungselemente Prfverfahren Teil409: Festsitzen des Kontaktes im Kontakteinsatz This Eu
10、ropean Standard was approved by CEN on23February1998. CEN members are bound 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 c
11、oncerning such national standards may be obtained on application to the Central Secretariat 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
12、own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, S
13、weden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national
14、 Members. Ref.No.EN2591-409:1999EEN2591-409:1999 BSI 03-2000 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with the rules of this Association, this Standard has received the appr
15、oval of the National Associations and the Official Services of the member countries of AECMA, 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, at the latest by September1999, and c
16、onflicting national standards shall be withdrawn at the latest by September1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, CzechRepublic, Denmark, Finland, France
17、, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the UnitedKingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Preparation of specimens 3 4 Method 3 4.1 Number of contacts to be tested for each size 3 4.2 Procedu
18、re 3 4.3 Final measurements and requirements 3 Table 1 3EN2591-409:1999 BSI 03-2000 3 1 Scope This standard specifies a method of assessing the retention in insert of contacts used in elements of connection subjected to axial loads. It shall be used together with EN2591. 2 Normative references This
19、European 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 publicati
20、ons apply 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. EN2591, Aerospace series Elements of electrical and optical connection Test methods General. EN2591-101, Aerospace series Eleme
21、nts of electrical and optical connection Test methods Part101: Visual examination. 3 Preparation of specimens 3.1 The specimens shall be fitted with all their contacts according to the technical specification. Any accessories which are not essential to the retaining system performance shall be remov
22、ed. If during a test sequence, the specimens are wired, contacts to be tested shall be replaced by unwired contacts. 3.2 Unless specified in the technical specification, the following details shall be stated: mounting of the specimens; preload value; load to be applied and its application point; all
23、owable displacements: 1) under load, 2) after removal of load, final measurements and requirements (ifapplicable). 4 Method 4.1 Number of contacts to be tested for each size SeeTable 1. Table 1 At least one contact shall be close to the insert periphery and one near the centre. 4.2 Procedure Each co
24、ntact shall be submitted to the specified axial preload. The load shall be increased at a rate not exceeding5N/s until the specified value is reached and maintained for10s. The maximum contact displacement shall be measured: while the load is applied; after the load is removed. This test shall then
25、be repeated in the opposite direction. 4.3 Final measurements and requirements (ifapplicable) The measured values shall be within the specified limits. The specimens shall be submitted to a visual examination (EN2591-101). No damage which would impair their operation shall be observed. Number of con
26、tacts Number to be tested % 1to5 6to60 61to130 U 131 100 50(with a minimum of6 specimens) 25(with a minimum of31 specimens) 10(with a minimum of34 specimens)BS EN 2591-409:1999 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible fo
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