EN 60512-16-16-2008 en Connectors for electronic equipment - Tests and measurements - Part 16-16 Mechanical tests on contacts and terminations - Test 16p Torsional strength fixed m.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI British StandardsWB9423_BSI_StandardColCov_noK_AW:BSI FRONT COVERS 5/9/08 12:55 Page 1Connectors forelectronic equipment Tests and measurements Part 16-116: Mechanical testson contacts and terminatio

2、ns Test 16p: Torsional strength,fixed male tabsBS EN 60512-16-16:2008National forewordThis British Standard is the UK implementation of EN 60512-16-16:2008.It is identical to IEC 60512-16-16:2008.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/48, Electromechanical co

3、mponents and mechanical struc-tures for electronic equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. BSI

4、 2009ISBN 978 0 580 55920 4ICS 31.220.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on Amendments issued since publicationAmd. No. Date Text affectedBRITISH STAND

5、ARDBS EN 60512-16-16:200831 January 2009EUROPEAN STANDARD EN 60512-16-16 NORME EUROPENNE EUROPISCHE NORM September 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat

6、: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60512-16-16:2008 E ICS 31.220.10 English version Connectors for electronic equipment - Tests and measurements - Part 16-16: Mechanical te

7、sts on contacts and terminations - Test 16p: Torsional strength, fixed male tabs (IEC 60512-16-16:2008) Connecteurs pour quipements lectroniques - Essais et mesures - Partie 16-16: Essais mcaniques des contacts et des sorties - Essai 16p: Rsistance la torsion des languettes fixes (CEI 60512-16-16:20

8、08) Steckverbinder fr elektronische Einrichtungen - Mess- und Prfverfahren - Teil 16-16: Mechanische Prfungen an Kontakten und Anschlssen - Prfung 16p: Verdrehfestigkeit von Flachsteckern (IEC 60512-16-16:2008) This European Standard was approved by CENELEC on 2008-08-01. CENELEC members are bound t

9、o 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 Centr

10、al Secretariat or to any CENELEC 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 CENELEC member into its own language and notified to the Central Secretariat has the same sta

11、tus as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, P

12、oland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 60512-16-16:2008 - 2 - Foreword The text of document 48B/1890/FDIS, future edition 1 of IEC 60512-16-16, prepared by SC 48B, Connectors, of IEC TC 48, Electromechanical components and mechanical struc

13、tures for electronic equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60512-16-16 on 2008-08-01. This standard is to be read in conjunction with EN 60512-1 and EN 60512-1-100 which explains the structure of the EN 60512 series. The following dates were fixe

14、d: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2009-05-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-08-01 Annex ZA has been added by CENELEC. _ E

15、ndorsement notice The text of the International Standard IEC 60512-16-16:2008 was approved by CENELEC as a European Standard without any modification. _ - 3 - EN 60512-16-16:2008 Annex ZA (normative) Normative references to international publications with their corresponding European publications Th

16、e following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been mod

17、ified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60512-1-1 - 1)Connectors for electronic equipment - Tests and measurements - Part 1-1: General examination - Test 1a: Visual examination EN 60512-1-1 2002 2)1)Undated reference. 2)Val

18、id edition at date of issue. 4 60512-16-16 IEC:2008 CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 16-16: Mechanical tests on contacts and terminations Test 16p: Torsional strength, fixed male tabs 1 Scope and object This part of IEC 60512, when required by the detail specification,

19、 is used for testing electomechanical components within the scope of IEC technical committee 48. It may also be used for similar devices when specified in a detail specification. The object of this part of IEC 60512 is to detail a standard test method to determine the ability of a fixed male tab and

20、 its fixing to withstand a specified torque. If so specified in the detail specification, forces other than torsional may be applied. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies

21、. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60512-1-1, Connectors for electronic equipment Tests and measurements Part 1-1: General examination Test 1a: Visual examination 3 Preparations 3.1 Preparation of specimen The specimens sha

22、ll consist of a connector fitted with one or more male tabs. It may be wired if so specified in the detail specification. Any preconditioning given in the detail specification shall be applied. Three such specimens shall be prepared. 3.2 Equipment A universal testing machine suitable for the test pr

23、ocedure detailed in Clause 4 shall be required, equipped with all relevant test fixtures needed to hold the specimen under test. BS EN 60512-16-16:200860512-16-16 IEC:2008 5 3.3 Mounting If mounting of the specimen is appropriate, it shall be as specified in the component detail specification. P 0,8

24、L L ScDpt T DpfIEC 1008/08 Key L Length of the contact under test, tip to component surface T Torque P Plane of application of torque DptPermanent displacement of the tip of the specimen (tab) DpfPermanent displacement of the tip of the specimen (fixing) ScSurface of the component Figure 1 Applicati

25、on of the torque 4 Test method 4.1 General A torque T shall be applied to the fixed tab in the direction specified in Figure 1. The torque shall be steadily increased from zero to that specified in the component specification. This torque shall be maintained for 1 minute. The torque shall be removed

26、, and the (permanent) displacement of the tab shall be measured. Permanent displacement is defined as the difference between the initial position of the tab before application of any torque and its position after all torque is removed. At least 10 tabs shall be selected at random from the 3 specimen

27、s provided that at least one tab shall be near the periphery, and one, at or near, the centre of the connector insert or BS EN 60512-16-16:2008 6 60512-16-16 IEC:2008 housing. For inserts or housings having 3 or less tabs, all tabs shall be tested. This shall be repeated, on an adjacent (new) tab, w

28、ith the torque being applied in the opposite direction. 4.2 Measurements and requirements 4.2.1 Before testing Visual examination according to IEC 60512-1-1 shall be carried out. There shall be no defects which would impair the validity of the test. 4.2.2 During testing The displacement and permanen

29、t displacement of the component, measured at the plane of application of the torque shall be measured. NOTE In the case of a tab being made from a highly resilient material (e.g. spring steel or beryllium copper) the displacement may be large whilst the permanent displacement is negligible. In the c

30、ase of a tab being held in a plastic material, recovery of displacement of that material may take place over a period. Furthermore, as the properties of such plastic materials may vary considerably with temperature, these tests will normally be done at laboratory temperatures (NTP), and any deviatio

31、n from this should be given in the relevant detail specification. The permanent displacement shall not exceed any value given in the component detail specification. 4.2.3 After testing Visual examination according to IEC 60512-1-1 shall be carried out. There shall be no defects that would impair the

32、 normal functioning of the connector. This shall be judged by a mating test with its counterpart. 5 Details to be specified When this test is required by a detail specification, the following shall be given therein: a) whether preconditioning is required; b) whether the specimen is to be wired, and

33、if so, details of this; c) whether special mounting of the specimen is required; d) torque to be applied and orientation with respect to the tab; e) allowable permanent set; f) number of specimens to be tested shall be 3 unless otherwise specified; g) any deviation from the standard test method. _ B

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