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1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-411:1998 Elements of electrical and optical connection Test methods Part 411: Insert retention in housing (torsional) The European Standard EN 2591-411:1998 has the status of a British Standard ICS 49.060 Licensed Copy: sheffieldun sheffieldun, na, Thu No
2、v 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2591-411:1998 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1998 BSI 05-1999 ISBN 0
3、580 30712 3 National foreword This British Standard is the English language version of EN 2591-411:1998. The UK participation 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
4、has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them i
5、n the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section ent
6、itled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. 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. Compli
7、ance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 and 3 and a back cover. This standard has been updated (see copyright date) and may have h
8、ad amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2591-411:1998 BSI 05-1999i Co
9、ntents Page National forewordInside front cover Foreword2 Text of EN 2591-4113 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BS
10、I EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 2591-411 August 1998 ICS 49.060 Descriptors: Aircraft industry, aircraft equipment, connecting equipment, test English version Aerospace series Elements of electrical and optical connection Test methods Part 411: Insert retention in housing (tor
11、sional) Srie arospatiale Organes de connexion lectrique et optique Mthodes dessais Partie 411: Rtention en rotation de lisolant dans le botier Luft- und Raumfahrt Elektrische und optische Verbindungselemente Prfverfahren Teil 411: Verdrehsicherung des Kontakteinsatzes im Gehuse This European Standar
12、d was approved by CEN on 23 February 1998. 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 concerning s
13、uch 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 own languag
14、e and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Swi
15、tzerland 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 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
16、 Ref. No. EN 2591-411:1998 E Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2591-411:1998 BSI 05-1999 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and
17、 votes carried out in accordance with the rules of this Association, 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 stand
18、ard, either by publication of an identical text or by endorsement, at the latest by February 1999, and conflicting national standards shall be withdrawn at the latest by February 1999. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries
19、are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword2 1Scope3 2Normative references3 3P
20、reparation of specimens3 4Method3 Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 2591-411:1998 BSI 05-19993 1 Scope This standard specifies a method of assessing the insert retention in housings (shells) of elements of connection subject
21、ed to torsional loads. It shall be used together with EN 2591. 2 Normative references 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 herea
22、fter. For dated references, subsequent amendments to or revisions of any of these publications 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. EN 2591, Aerospace series Elements o
23、f electrical and optical connection Test methods General. EN 2591-101, Aerospace series Elements of electrical and optical connection Test methods Part 101: Visual examination. EN 2591-312, Aerospace series Elements of electrical and optical connection Test methods Part 312: Air leakage 1). 3 Prepar
24、ation of specimens 3.1 Specimens shall be prepared according to the technical specification. Any accessories which are not essential to the retention of the insert in the housing (shell) shall be removed. 3.2 Unless specified in the technical specification, the following details shall be stated: ini
25、tial measurements; torsional load value; value for EN 2591-312; value for measuring the displacement of the insert; 1) during the application of the load, 2) after removal of the load, final measurements and requirements. 4 Method 4.1 Initial measurements Measurement of the angular position of the i
26、nsert in the housing. 4.2 Procedure The specimens shall be submitted to a torsional load applied to their rear face. This load shall be increased at a nominal rate of approximately 0,5 Nm/s until the specified value is reached, and maintained for a minimum of 1 min. Repeat the procedure in the oppos
27、ite rotational direction. 4.3 Final measurements and requirements (if applicable) The angular displacement of the insert in housing shall be measured under load, it shall not be greater than the specified value. The specimens shall be subjected to the following test sequence: EN 2591-101; EN 2591-31
28、2. 1) Published as AECMA Prestandard at the date of publication of this standard Licensed Copy: sheffieldun sheffieldun, na, Thu Nov 02 18:03:16 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 2591-411:1998 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the indepe
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