BS EN 60512-16-14-2008 Connectors for nelectronic equipment – nTests and measurements –– nPart 16-14 Mechanical tests on contacts and nterminations – Test 16n Bending strength nf.pdf

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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 16-14: Mechanical tests on contacts andtermination

2、s Test 16n: Bending strength,fixed male tabsBS EN 60512-16-14:2008NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LALicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSINational forewordThis British Standard is the UK implementation of

3、 EN 60512-16-14:2008.It isidentical to IEC 60512-16-14:2008.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/48, Electromechanical components and mechanical structures for electronic equipment.A list of organizations represented on this committee can be obtained onrequ

4、est to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. BSI 2009ISBN 978 0 580 55919 8ICS 31.220.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Stan

5、dard was published under the authority of the StandardsPolicy and Strategy Committee on Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60512-16-14:200831 January 2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) B

6、SIEUROPEAN STANDARD EN 60512-16-14 NORME EUROPENNE EUROPISCHE NORM September 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussel

7、s 2008 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60512-16-14:2008 E ICS 31.220.10 English version Connectors for electronic equipment - Tests and measurements - Part 16-14: Mechanical tests on contacts and terminations - Tes

8、t 16n: Bending strength, fixed male tabs (IEC 60512-16-14:2008) Connecteurs pour quipements lectroniques - Essais et mesures - Partie 16-14: Essais mcaniques des contacts et des sorties - Essai 16n: Rsistance la flexion des languettes fixes (CEI 60512-16-14:2008) Steckverbinder fr elektronische Einr

9、ichtungen - Mess- und Prfverfahren - Teil 16-14: Mechanische Prfungen an Kontakten und Anschlssen - Prfung 16n: Biegefestigkeit von Flachsteckern (IEC 60512-16-14:2008) This European Standard was approved by CENELEC on 2008-08-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Reg

10、ulations 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 Central Secretariat or to any CENELEC member. T

11、his 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 status as the official versions. CENELEC memb

12、ers 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, Poland, Portugal, Romania, Slovakia, Sloven

13、ia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60512-16-14:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSIEN 60512-16-14:2008 - 2 - Foreword The text of document 48B/1889/FDIS, future edition 1 of IEC 60512-16-14, prepared by SC 4

14、8B, Connectors, of IEC TC 48, Electromechanical components and mechanical structures for electronic equipment, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60512-16-14 on 2008-08-01. This standard is to be read in conjunction with EN 60512-1 and EN 60512-1-100 whi

15、ch explains the structure of the EN 60512 series. The following dates were fixed: 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 E

16、N have to be withdrawn (dow) 2011-08-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60512-16-14:2008 was approved by CENELEC as a European Standard without any modification. _ BS EN 60512-16-14:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA ST

17、ANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSI- 3 - EN 60512-16-14:2008 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated r

18、eferences, 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 modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Titl

19、e 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)Valid edition at date of issue. BS EN 60512-16-14:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STAND

20、ARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSI 4 60512-16-14 IEC:2008 CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS Part 16-14: Mechanical tests on contacts and terminations Test 16n: Bending strength, fixed male tabs 1 Scope and object This part of IEC 60512, when required by the d

21、etail specification, is used for testing connectors 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

22、and its fixing to withstand a specified bending stress. If so specified in the detail specification, forces other than bending may be applied. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cite

23、d applies. 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 spec

24、imen shall consist of a connector fitted with one or more male tabs. They 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 For the application of the axial loads, a

25、suitable device able to provide the controls on the loads (intensity, rate of increase, time of constant load application) shall be required (e.g.: a universal materials testing machine). NOTE If the detail specification requires special preconditioning of the specimen, all the necessary equipment d

26、etailed in the relevant documents describing such conditioning would also be required BS EN 60512-16-14:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSI60512-16-14 IEC:2008 5 3.3 Mounting If mounting of the specimen is appropriate, it shall be a

27、s specified in the detail specification. DpL0,8L CsP IEC 1007/08 Key L Length of the contact under test, tip to component surface. P Point and direction of application of force DpPermanent displacement of the tip of the specimen CsComponent surface Figure 1 Point of application of the force 4 Test m

28、ethod 4.1 General A single force P shall be applied to the fixed tab according to Figure 1. The force shall be steadily increased from zero to that specified in the detail specification. This force shall be maintained for 1 minute. The force shall be removed, and the (permanent) displacement of the

29、tab shall be measured. Permanent displacement is defined as the difference between the initial position of the tab before application of any force and its position after all force is removed. This shall be repeated, on an adjacent (new) tab, with the force being applied in the opposite direction. At

30、 least 10 tabs shall be selected at random from the 3 specimens, of these, at least one tab shall be near the periphery, and one, at or near, the centre of the connector insert or housing. For inserts or housings having 3 or less tabs, all tabs shall be tested. 4.2 Measurements and requirements 4.2.

31、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. BS EN 60512-16-14:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSI 6 60512-16-14 IEC:200

32、8 4.2.2 During testing The deflection and permanent displacement of the component, measured at the application point of the force, shall be recorded. 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

33、 permanent displacement is negligible. In the case of a tab being held in a plastic material, recovery of deformation 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 l

34、aboratory temperatures (NTP), any deviation from this should be given in the relevant detail specification. The permanent set shall not exceed any value given in the detail specification. 4.2.3 After testing Visual examination according to IEC 60512-1-1 shall be carried out. There shall be no defect

35、s that would impair the normal functioning of the connector. This may 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

36、is to be wired, and if so, details of this; c) whether special mounting of the specimen is required; d) force to be applied and orientation with respect to the tab; e) allowable permanent set; f) number of specimens to be tested, if other than 3; g) any deviation from the standard test method. _ BS

37、EN 60512-16-14:2008Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSIThis page deliberately left blankLicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 26/05/2009 07:15, Uncontrolled Copy, (c) BSIBSI is the independent national body responsible f

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