1、STD-BSI BS EN b0352-1-ENGL 5998 1b24bb9 0831503 539 BRITISH STANDARD Solderless connections - Part 1: Wrapped connections - General requirements, test methods and practical guidance The European Standard EN 60352-1:1997 has the status of a British Standard ICs 29.120.20 NO COPING wpTHouT BSI PERMISS
2、ION EXCEPT AS PECMllTED BY COPYBIGET LAW BS EN 60352-1: 1998 IEC 60352-1: 1997 Incorporating Corrigendum No. 1 STD-BSI BS EN b0352-1-ENGL 1998 1b24bb9 0831504 075 BS EN 60352-1:1998 Amd. No. Date National foreword Comments This British Standard is the English language version of EN 60352-1:1997. I I
3、t is identical with IEC 60352-1:1997 including Corrigendum October 1998. It supersedes BS EN 60352-1:1997 (formerly BS 6516-1:1984) which will be withdrawn on 1998-07-01. The UK participation in its preparation was entrusted by Technical Committee EPU48, Electromechanical components for electronic e
4、quipment, to Subcommittee EPLJ48/2, Connectors for electronic equipment, which has the responsibility to: - aid enquirers to understand the text; - present to the responsible internationallEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests info
5、rmed; - monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance,
6、IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references Attention is drawn to the fact that CEN and CENELEC Standards normally include an annex which list
7、s normative references to international publications with their corresponding European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index
8、”, 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. Compliance with a British Standard does not of itself conf
9、er immunity from legal obligations. This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 January 1998 O BSI 02-2000 ISBN O 580 28738 6 Summary of pages This document
10、comprises a front cover, an inside front cover, the EN title page, pages 2 to 30, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Sidelining in this document indicates the most recent changes by amendment. Februa
11、ry Indicated by a sideline Corrigendum 2000 lo406 I I EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60352-1 October 1997 ICs 29.120.20 Supersedes EN 60352-1: 1994 Descriptors: Connections, solderless connections, wrapped connections, general requirements, test methods English version Solderle
12、ss connections Part i: Wrapped connections - General requirements, test methods and practical guidance (IEC 60352-1:1997) Connexions sans soudure Ltfreie Verbindungen Partie 1: Connexions enroules Rgles gnrales, mthodes dessai et guide pratique (CE1 60352-11997) Anwendungshinweise Teil 1: Wickelverb
13、indungen - Allgemeine Anforderungen, Prfverfahren und (IEC 60352-11997) This European Standard was approved by CENELEC on 1997-10-01. CENELEC members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national
14、 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. This European Standard exists in three official versions (English, French, German). A version in an
15、y 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 members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Ge
16、rmany, Greece, Iceland, 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 S
17、ecretariat: rue de Stassart 35, E1050 Brussels O 1997 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60352-1:1997 E Foreword The text of document 48B/590/FDIS, future edition 3 of IEC 60352-1, prepared by SC 48B, Connectors, of I
18、EC 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 60352-1 on 1997-10-01. This European Standard supersedes The following dates were fixed: - latest date by which the EN has to be
19、 implemented at national level by publication of an identical national standard or by - latest date by which the national standards conflicting with the EN EN 60352-11994. endorsement (dop) 1998-07-01 have to be withdrawn (dow) 1998-07-01 Annexes designated “normative” are part of the body of the st
20、andard. In this standard, Annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 60352-1:1997 was approved by CENELEC as a European Standard without any modification. Contents Page Foreword 2 Introduction 1 Scope and object 2 3 4 4.1
21、4.2 4.3 4.4 4.5 5 5.1 5.2 5.3 Normative references Definitions Requirements Workmanship Tools Posts Wrapping wires Wrapped connections Tests Testing Type tests Test schedules 3 3 3 4 7 7 7 7 12 13 14 14 15 17 6 6.1 6.2 6.3 6.4 6.5 Practical guidance Current-carrying capacity Tool information Post in
22、formation Wire information Connection information Annex ZA (normative) Normative references to international publications with their corresponding European publications Figure 1 - Wrapped connection Figure 2 - Reference corner Figure 3 - End tail Figure 4 - Glass master Figure 5 - Example of a good
23、radius Figure 6 - Shape of tip Figure 7 - True position tolerance zone Figure 8 - Contact resistance Figure 9 - Basic test schedule Figure 10 - Full test schedule Figure 11 - Cut-strip-wire tool Figure 12 - Front face of the tool Figure 13 - Hole depth of the bit Figure 14 - Unwrapping tool Figure 1
24、5 - Effective wrapping length Figure 16 - Total post length Figure 17 - Spacing Figure 18 - Hoop stress relaxation 50 % - fully annealed copper wire Table 1 - Post and wire sizes Table 2 - Corner radii Table 3 - Corner burrs Table 4 - Shape of tip Table 5 - Mounting strength Table 6 - Mounting toler
25、ances Table 7 - Conductor materials Page 22 22 22 24 27 29 30 4 5 6 10 10 11 12 16 20 21 22 23 23 24 25 26 27 28 8 9 10 10 11 12 12 Table 8 - Minimum number of turns of stripped wires 14 Table 9 - Stripping force 15 Table 10 - Contact resistance 16 Table 11 - Number of specimens required 17 Table 12
26、 - Hole depth 23 Table 13 - Values concerning Figure 15 and Figure 16 26 8 BSI 02-2000 2 STD.BSI BS EN b0352-1-ENGL 1998 = lb24bb9 0833507 884 EN 60352-1:1997 Introduction This part of IEC 60352 includes requirements, tests and practical guidance information. Two test schedules are provided. The bas
27、ic test schedule applies to wrapped connections which conform to all the requirements of clause 4. These requirements are derived from experience with successful applications of such wrapped connections. The full test schedule applies to wrapped connections which do not fully conform to all the requ
28、irements of clause 4, for example those which are manufactured using materials or finishes not included in clause4. This approach permits cost- and time-effective performance verification using a limited basic test schedule for established wrapped connections and an expanded full test schedule for w
29、rapped connections requiring more extensive performance validation. 1 Scope and object This part of IEC 60352 is applicable to wrapped connections made with single solid round wires with nominal diameters of O, 16 mm minimum and appropriately designed posts for use in telecommunications equipment an
30、d in electronic devices employing similar techniques. Information on materials and data from industrial experience are included in addition to the test procedures to provide electrically stable connections under prescribed environmental conditions. The object of this standard is to determine the sui
31、tability of wrapped connections under specified mechanical, electrical and atmospheric conditions, and to provide a means of comparing test results when the tools used to make the connections are of different design or manufacture. 2 Normative references The following normative documents contain pro
32、visions which, through reference in this text, constitute provisions of this part of IEC 60352. At the time of publication, the editions indicated were valid. All normative documents are subject to revision, and parties to agreements based on this part of IEC 60352 are encouraged to investigate the
33、possibility of applying the most recent editions of the normative documents indicated below. Members of IEC and IS0 maintain registers of currently valid International Standards. IEC 60050(581): 1978, International Electrotechnical Vocabulary (IEV) - Chapter 581: Electromechanical components for ele
34、ctronic equipment. IEC 60068-1: 1988, Environmental testing - Part 1: General and guidance Amendment 1 (1 992). IEC 60352-5: 1995, Solderless connections - Part 5: Solderless press-in connections - General requirements, test methods and practical guidance. IEC 60512-1:1994, Electromechanical compone
35、nts for electronic equipment - Basic testingprocedures and measuring methods - Part 1: General. IEC 60512-2: 1985, Electromechanical components for electronic equipment: basic testing procedures and measuring methods - Part 2: General examination, electrical continuity and contact resistance tests,
36、insulation tests and voltage stress tests Amendment 1 (1994). IEC 60512-6: 1984, Electromechanical components for electronic equipment; basic testing procedures and measuring methods -Part 6: Climatic tests and soldering tests. IEC 60512-8: 1993, Electromechanical components for electronic equipment
37、; basic testing procedures and measuring methods - Part 8: Connector tests (mechanical) and mechanical tests on contacts and terminations. IEC 60979: 1989, Wires for wire wrapping applications. IS0 468: 1982, Surface roughness - Parameters, their values and general rules for specifying requirements.
38、 IS0 1337:1980, Wrought coppers (having minimum copper contents of 99,85 %) - Chemical composition and forms of wrought products. IS0 6507-1:1982, Metallic materials - Hardness test - Vickers test -Part 1: HV 5 to IN 100. 8 BSI 02-2000 3 STDmBSI BS EN b0352-L-ENGL 1998 m 1b24bb9 0831508 710 m EN 603
39、52-1:1997 3 Definitions For the purpose of this part of IEC 60352, the terms and definitions included in IEC 60050(581) and IEC 60512-1 and the following additional terms and definitions apply. 3.1 wrap post a termination generally rectangular with sharp corners made to accept a wrapped connection I
40、EV 581-03-34, modified NOTE In this standard, the term “wrap post” is shortened to “post”. 3.2 wrapped connection a solderless connection achieved by wrapping a solid conductor around a wrap post (see Figure 1) IEV 581-03-10, modified - - / LGas-tight area IEC 1018i97 Figure 1 - Wrailaed connection
41、3.3 conventional wrapped connection a solderless connection achieved by wrapping a solid conductor around a wrap post without any contact of the wire insulation to the post (see Figure 2a) IEV 581-03-451 3.4 modified wrapped connection a solderless connection achieved by wrapping a solid conductor a
42、round a wrap post with the wire insulation wrapped around at least three corners of the post (see Figure 2b) IEV 581-03-441 3.5 turn of wire a single helical ring of wire wrapped 360 around a wrap post IEV 581-03-651 3.6 reference corner that corner of the wrap post at which the stripped wire makes
43、its first indentation and from which the number of wrapped turns is counted (see Figure 2) IEV 581-03-381 O BSJ 02-2000 4 STD-BSI BS EN b0352-1-ENGL 1798 Lb21ibb9 0833509 657 M EN 60352-11997 Four comers ofcantact of insulated wire 2 1 1 6 2 -3 Three comers of contact of insulated wire Reference com
44、er (see 3.6) / Top view IEC 1m7 Figure 2a - Conventional wrapped connection Figure 2 - Reference corner IEC 1 b) the corner shall be within the area (1) defined by the optical gauge. If the corner is located in area (3), the conditions of 4.3.8 shall be fulfilled additionally. NOTE An example of a g
45、ood radius is given in Figure 5. 0 BSI 02-2000 9 STD.BSI BS EN b035-L-ENGL 3778 Lb24bb 0833514 734 EN 60352-1:1997 0,6 0,6 - 1,3 1,3 I IEC 12 stranded conductors are not permissible. Stable connections can be made with a range of wire materials and diameters and using appropriate tools. 4.4.1 Conduc
46、tor materials The conductor shall be as specified in Table 7. Table 7 - Conductor materials mm Elongation at break % I I 5 0,4 I Copper alloy 127 2 15 I 0,5 I Copper I 2 20 12 8 BSI 02-2000 STD-BSI BS EN 60352-1-ENGL 1998 1624669 0833537 723 a EN 60352-1:1997 When connections are to operate for long
47、 periods at temperatures exceeding 90 “C, the wrapping wire shall be of a suitable material less susceptible than copper to stress relaxation at elevated temperatures. The elongation characteristics of such wires may be different from those of fully annealed copper wires. 4.4.2 Conductor finish The
48、conductor finish shall be silver, tin, tin alloy or unplated. Its surface shall be free of contamination and corrosion. 4.4.3 Diameter The diameter of the conductor shall be within the range of 0,16 mm to 1,0 mm nominal. For the relation between conductor diameter and post sizes, see Table 1. 4.4.4
49、Insulation The insulation shall be capable of being readily stripped from the conductor without changing the physical characteristic of the wire. For a modified wrapped connection, the insulation shall have sufficient wall thickness (generally in excess of 40 % of the conductor diameter). The producer of the wrapped connections shall establish the compatibility between the outside diameter of the wire and the wrapping bit designed for wrapping modified wrapped connections. 4.5 Wrapped connections 4.5.1 General a) The combination of tool, post and wi
