1、BRITISH STANDARD BS EN 60512-16-20: 1997 IEC 512-16-20: 1996 Electromechanical components for electronic equipment Basic testing procedures and measuring methods Part 16: Mechanical tests on contacts and terminations Section20: Test16t: Mechanical strength (wired termination of solderless connection
2、s) The European Standard EN60512-16-20:1996 has the status of a British Standard ICS 31.220.10BSEN 60512-16-20:1997 This British Standard, having been prepared under the directionof the Electrotechnical Sector Board, was published underthe authority of the Standards Board and comes intoeffect on 15
3、April 1997 BSI 07-1999 The following BSI references relate to the work on this standard: Committee reference EPL/48/2 Announced in BSI Update February 1997 ISBN 0 580 27312 1 Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committe
4、e EPL/48, Electromechanical components for electronic equipment, to Subcommittee EPL/48/2, Connectors for electronic equipment, upon which the following bodies were represented: Association of Manufacturers Allied to the Electrical and Electronic Industry (BEAMA Ltd.) British Telecommunications plc
5、BSI Quality Assurance Federation of the Electronics Industry Ministry of Defence Premises Cabling Association Amendments issued since publication Amd. No. Date CommentsBSEN60512-16-20:1997 BSI 07-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of E
6、N60512-16-20 3BSEN 60512-16-20:1997 ii BSI 07-1999 National foreword This British Standard has been prepared by Subcommittee EPL/48/2, and is the English language version of EN60512-16-20:1996 Electromechanical components for electronic equipment Basic testing procedures and measuring methods Part16
7、: Mechanical tests on contacts and terminations Section20: Test16t: Mechanical strength (wired termination of solderless connections), published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC512-16-20:1996, published by the International Electrotec
8、hnical Commission (IEC). 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
9、 This document comprises a front cover, an inside front cover, pagesi andii, the EN 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.EUROPEAN
10、 STANDARD NORME EUROPENNE EUROPISCHE NORM EN60512-16-20 October1996 ICS 31.220.10 Descriptors: Electromechanical components, mechanical tests, mechanical strength English version Electromechanical components for electronic equipment Basic testing procedures and measuring methods Part16:Mechanical te
11、sts on contacts and terminations Section20: Test16t: Mechanical strength (wiredtermination of solderless connections) (IEC512-16-20:1996) Composants lectromcaniques pour quipements lectroniques Procdures dessai de base et mthodes de mesure Partie16: Essais mcaniques des contacts et des sorties Secti
12、on20: Essai16t: Tenue mcanique (sortie cble de connexions sans soudure) (CEI512-16-20:1996) Elektrisch-mechanische Bauelemente fr elektronische Einrichtungen- Me- und Prfverfahren Teil16: Mechanische Prfungen an Kontakten und Anschlssen Hauptabschnitt20: Prfung16t: Zugfestigkeit (verdrahteter Anschl
13、u bei ltfreien Verbindungen) (IEC512-16-20:1996) This European Standard was approved by CENELEC on 1996-10-01. 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
14、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. This European Standard exists in three official versions (English, French, German). A version in any other language made
15、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 members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland
16、, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Sta
17、ssart 35, B-1050 Brussels 1996 Copyright reserved to CENELEC members Ref. No. EN60512-16-20:1996 EEN60512-16-20:1996 BSI 07-1999 2 Foreword The text of document48B/485/FDIS, as prepared by SC48B, Connectors, of IECTC48, Electromechanical components and mechanical structures for electronic equipment,
18、 was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN60512-16-20 on1996-10-01. The following dates were fixed: This part16 is to be used in conjunction with EN60512-1, General, which explains the structure of EN60512 series. Contents Page Foreword 2 1 Scope and object 3 2
19、 Preparation of the specimen 3 3 Test methods 3 3.1 Method A (destructive test) 3 3.2 Method B (non-destructive test) 3 4 Details to be specified 3 latest date by which theEN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 1997-07-01 l
20、atest date by which thenational standards conflicting with the EN have to be withdrawn (dow) 1997-07-01EN60512-16-20:1996 BSI 07-1999 3 1 Scope and object This section of IEC512-16, when required by the detail specification, is used for testing electromechanical components within the scope of IEC te
21、chnical committee48. This test may also be used for similar components when specified in a detail specification. The object of this test is to detail a standard method to assess the mechanical strength of solderless connections including integrated strain relief features. 2 Preparation of the specim
22、en The specimen shall consist of the component having one or a specified number of solderless connections equipped with single wires, ribbon cable or flat flexible cable as defined in the detail specification. The specimens shall be prepared and mounted in accordance with the detail specification. 3
23、 Test methods 3.1 Method A (destructive test) Tension shall be applied by fixing the component and the wire of the connection to be tested in the jaws of a tester. The tension shall be exerted axially to the wire. The head of the tensile testing machine shall travel steadily at a speed of25mm/min to
24、50mm/min. Each connection shall be tested individually until the wire is pulled out or breaks. Requirement The load measured shall not be less than the limit specified in the detail specification. 3.2 Method B (non-destructive test) Tension shall be applied by fixing the component and the ribbon cab
25、le or flat flexible cable in the jaws of a tester. Care should be taken to ensure that tension is uniformly distributed over the whole cable. The jaws shall be such that the cable is not damaged. The tension shall be exerted axially to the cable. The tension shall be increased steadily until the val
26、ue specified in the detail specification is reached. This tension shall be maintained for1min. Requirement There shall be no degradation such as mechanical distortion or breaking of parts. The electrical characteristics shall still conform to the requirements of the detail specification. Evidence of
27、 degradation caused by this test may not become noticeable until subsequent tests are performed. If necessary, these tests shall be defined in the detail specification. NOTEMethod A is preferably applied to single wire and methodB is preferably applied to ribbon cable or flat flexible cable unless o
28、therwise specified in the detail specification. 4 Details to be specified When this test is required by the detail specification, the following details shall be specified: a) number of specimens and connections to be tested; b) preparation of the specimen; c) wire or cable type and dimensions; d) me
29、thod A or B; e) method A: minimum load; f) method B: value of the load to be applied and subsequent tests; g) any deviation from the standard test method.BS EN 60512-16-20: 1997 IEC 512-16-20: 1996 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent nationa
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