1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-412:1999 Elements of electrical and optical connection Test methods Part412: Contact insertion and extraction forces The European Standard EN2591-412:1999 has the status of a BritishStandard ICS 49.060BSEN2591-412:1999 This BritishStandard, having been pr
2、epared under the directionof the Engineering SectorCommittee, was publishedunder the authorityofthe Standards Committee and comes into effect on 15 June 1999 BSI 04-2000 ISBN 0 580 32647 0 National foreword This BritishStandard is the English language version of EN2591-412:1999. The UK participation
3、 in its preparation 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
4、any enquiries on the 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-referen
5、ces The BritishStandards 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 Catalogu
6、e. A British Standard 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 compris
7、es a front cover, 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 public
8、ation Amd. No. Date CommentsBSEN2591-412:1999 BSI 04-2000 i Contents Page National foreword Inside front cover Foreword 2 Text of EN2591-412 3ii blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN2591-412 March1999 ICS 49.060 English version Aerospace series Elements of electrical and optical
9、connection Test methods Part412: Contact insertion and extraction forces Srie arospatiale Organes de connexion lectrique et optique Mthodes dessais Partie412: Forces dinsertion et dextraction des contacts Luft- und Raumfahrt Elektrische und optische Verbindungselemente Prfverfahren Teil412: Steck- u
10、nd Ziehkrfte der Kontakte This European Standard was approved by CEN on23February1999. 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
11、 and bibliographical references concerning 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 respons
12、ibility of a CEN member into its 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, Nether
13、lands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. 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 r
14、eserved worldwide for CEN national Members. Ref. No. EN2591-412:1999 EEN2591-412:1999 BSI 04-2000 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
15、, this Standard has received the approval 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,
16、at the latest by September1999, and conflicting 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, Cz
17、echRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and theUnitedKingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Preparation of specimens 3 4 Apparatus 3 5 Method 3 5.1 Number of
18、 contacts to be measured per size 3 5.2 Procedure 3 5.3 Requirements 3 Table 1 3EN2591-412:1999 BSI 04-2000 3 1 Scope This standard specifies a method of assessing the insertion/extraction forces for contacts used in elements of connection. It shall be used together with EN2591. 2 Normative referenc
19、es This 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 p
20、ublications 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. 3 Preparation of specimens
21、 3.1 Specimens shall be prepared according to the technical specification. 3.2 Unless specified in the technical specification, the following details shall be stated: insertion/extraction tool; type of cable; insertion/extraction forces; requirements. 4 Apparatus Insertion/extraction tool Device for
22、 holding specimens Force measuring device 5 Method 5.1 Number of contacts to be measured persize SeeTable 1. Table 1 At least one contact shall be at/near the centre of the specimens, and one near the periphery, the others being distributed throughout the specimens. The selected contacts and cavitie
23、s shall not have been previously used. 5.2 Procedure If the number of contacts of the same size is equal to or less than five each contact shall be submitted to ten operations. If the number of contacts of the same size is greater than five each contact shall be submitted to three operations. Forces
24、 shall be measured during the first and the last operation. 5.2.1 Insertion force The contact shall be inserted with the specified tool. Ensure that the contact is correctly engaged. The force required to insert the contact shall be measured. 5.2.2 Extraction force The contact shall be extracted wit
25、h the specified tool. The force required to extract the contact shall be measured. 5.3 Requirements The insertion/extraction forces shall not exceed the specified values. Number of contacts Number to be tested % 1 to5 6 to60 61 to130 U 131 100 50 (with a minimum of6 specimens) 25 (with a minimum of3
26、1 specimens) 10 (with a minimum of34 specimens)BS EN 2591-412:1999 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at the international level. I
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