EN 60512-16-17-2008 en Connectors for electronic equipment - Tests and measurements - Part 16-17 Mechanical tests on contacts and terminations - Test 16q Tensile and compressive st.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 16-17: Mechanical tests on contacts andtermination

2、s Test 16q: Tensile andcompressive strength, fixed male tabsBS EN 60512-16-17:2008NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LANational forewordThis British Standard is the UK implementation of EN 60512-16-17:2008.It is identical to IEC 60512-16-17:2008.The UK participation i

3、n 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 onrequest to its secretary.This publication does not purport to include all the necessar

4、y provisionsof a contract. Users are responsible for its correct application. BSI 2009ISBN 978 0 580 55921 1ICS 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 Committ

5、ee on Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60512-16-17:200831 January 2009EUROPEAN STANDARD EN 60512-16-17 NORME EUROPENNE EUROPISCHE NORM September 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Elec

6、trotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: 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 60512-16-17:2008 E ICS 31.220.10 English version Connect

7、ors for electronic equipment - Tests and measurements - Part 16-17: Mechanical tests on contacts and terminations - Test 16q: Tensile and compressive strength, fixed male tabs (IEC 60512-16-17:2008) Connecteurs pour quipements lectroniques - Essais et mesures - Partie 16-17: Essais mcaniques des con

8、tacts et des sorties - Essai 16q: Rsistance la traction et la compression des languettes fixes (CEI 60512-16-17:2008) Steckverbinder fr elektronische Einrichtungen - Mess- und Prfverfahren - Teil 16-17: Mechanische Prfungen an Kontakten und Anschlssen - Prfung 16q: Zug- und Druckfestigkeit von Flach

9、steckern (IEC 60512-16-17:2008) This European Standard was approved by CENELEC on 2008-08-01. CENELEC 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

10、-date lists and bibliographical references concerning such national standards may be obtained on application to the Central 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 un

11、der 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 members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Fr

12、ance, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60512-16-17:2008EN 60512-16-17:2008 - 2 - Foreword The text of document 48B/

13、1891/FDIS, future edition 1 of IEC 60512-16-17, prepared by SC 48B, 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 60512-16-17 on 2008-08-01. This standard is

14、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 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 la

15、test 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. _ Endorsement notice The text of the International Standard IEC 60512-16-17:2008 was approved by CENELEC as a European Standard without any modification. _ BS E

16、N 60512-16-17:2008- 3 - EN 60512-16-17:2008 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 references, only the edition cited a

17、pplies. 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 Title EN/HD Year IEC 60512-1-1 - 1)Conn

18、ectors 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 60512-16-17:2008 4 60512-16-17 IEC:2008 CONNECTORS FOR ELECTRONIC EQUIPMENT TESTS AND MEASUREMENTS P

19、art 16-17: Mechanical tests on contacts and terminations Test 16q: Tensile and compressive strength, fixed male tabs 1 Scope and object This part of IEC 60512, when required by the detail specification, is used for testing electomechanical components within the scope of technical committee 48. It ma

20、y 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 its fixing to withstand specified tensile and compressive forces. If so specified in the detail speci

21、fication, forces other than tension and compression 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. For undated references, the latest edition of the referenced doc

22、ument (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 shall consist of a connector fitted with one or more male tabs. They

23、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 provided. 3.2 Equipment For the application of the axial loads, a suitable device able to provide the controls on the loads (intensity, rate

24、 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 detailed in the relevant documents describing such conditioning would also

25、be required. An illustration of the application of force is given in Figure 1. 3.3 Mounting If mounting of the specimen is appropriate, it shall be as specified in the component detail specification. BS EN 60512-16-17:200860512-16-17 IEC:2008 5 L 0,8L FtDpScIEC 1009/08 Figure 1a) Tensile Sc FcDpIEC

26、1010/08 Figure 1b) Compression Key L Length of the contact under test, tip to component surface Ft,cTensile and compressive forces, Ft,cDptPermanent Displacement of the tip of the specimen (tab) ScSurface of the component Figure 1 Application of the tensile and compressive forces BS EN 60512-16-17:2

27、008 6 60512-16-17 IEC:2008 4 Test method 4.1 General At least 10 tabs shall be selected at random from the 3 specimens of which 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 sha

28、ll be tested. This shall be repeated, on an adjacent (new) tab, with the force being applied in the opposite direction (i.e. if tensile is first applied then compression is the next test). A tensile or compressive force F shall be applied to the fixed tab. The tensile or compressive force shall be s

29、teadily increased from zero to that specified in the component specification. This tensile or compressive force shall be maintained for 1 minute. The tensile or compressive force shall then be removed, and the (permanent) displacement of the tab shall be measured after the removal of the tensile or

30、compressive force. Permanent displacement is defined as the difference between the initial position of the tab before application of any tensile or compressive forces and its position after all tensile and compressive force is removed. 4.2 Measurements and requirements 4.2.1 Before testing Visual ex

31、amination 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 permanent displacement of the component, measured at the plane of application of the tensile and compressive forces shall be me

32、asured. 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 case of a tab being held in a plastic material, recovery of deformation of that material may tak

33、e 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 deviation from this should be given in the relevant detail specification. The permanent displacement sha

34、ll 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 defects that would impair the normal functioning of the connector. This shall be judged by a mating test with its counterpart. If there

35、 is any damage to the specimen caused by the jaws of a testing machine, this shall not be considered as a defect. BS EN 60512-16-17:200860512-16-17 IEC:2008 7 5 Details to be specified When this test is required by a detail specification, the following shall be given therein: a) whether precondition

36、ing is required; b) whether the specimen is to be wired, and if so, details of this; c) whether special mounting of the specimen is required; d) tensile and compressive forces to be applied and orientation with respect to the tab; e) allowable permanent displacement; f) number of specimens to be tes

37、ted, if other than 3; g) any deviation from the standard test method. _ BS EN 60512-16-17:2008This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the

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