BS-7330-2-1990 ISO-9657-1989.pdf
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1、BRITISH STANDARD BS 7330-2: 1990 ISO 9657:1989 Pliers and nippers for electronics Part 2: Specification for general requirements Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:35:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7330-2:1990 This British Stand
2、ard, having been prepared under the direction of the Machine, Engineers and Hand Tools Standards Policy Committee, was published under the authority of the Board of BSI and comes into effect on 30 June 1990 BSI 12-1999 The following BSI references relate to the work on this standard: Committee refer
3、ence MTE/15 Draft for comment 88/74393 DC ISBN 0 580 18651 2 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Machine, Engineers and Hand Tools Standards Policy Committee (MTE/-) to Technical Committee MTE/15, upon which the following bod
4、ies were represented: British Coal Corporation British Telecommunications plc Consumer Policy Committee of BSI Department of Trade and Industry Mechanical Engineering and Manufacturing Technology Division (MMT) Electricity Supply Industry in England and Wales Federation of British Engineers Tool Man
5、ufacturers Federation of British Hand Tool Manufacturers Handle Manufacturers Association Institute of Carpenters Institute of Trading Standards Administration Institution of Production Engineers Ministry of Defence Amendments issued since publication Amd. No.DateComments Licensed Copy: London South
6、 Bank University, London South Bank University, Fri Dec 08 11:35:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7330-2:1990 BSI 12-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative reference1 3Handles1 4Heads1 5Tool finish1 6Designation1 Annex A (i
7、nformative) Bibliography2 Publications referred toInside back cover Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:35:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7330-2:1990 ii BSI 12-1999 National foreword This Part of BS 7330 has been prepared under t
8、he direction of the Machine, Engineers and Hand Tools Standards Policy Committee. It is identical with ISO 9657:1989 “Pliers and nippers for electronics General technical requirements” published by the International Organization for Standardization (ISO). A British Standard does not purport to inclu
9、de 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. Cross-references International StandardCorresponding British Standard ISO 5742:1982BS
10、 3087 Pliers and nippers Part 2:1986 Nomenclature (Identical) ISO 6508:1986BS 891:1989 Methods for hardness test (Rockwell method) and for verification of hardness testing machines (Rockwell method) (Technically equivalent) ISO 9879:1988BS 7330 PLiers and nippers for electronics P Part 1:1990 Nomenc
11、lature (Identical) ISO 9656:1989Part 2:1990 Methods for test (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendment
12、s incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 11:35:08 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7330-2:1990 BSI 12-19991 1 Scope This International Standard specifies
13、 the general technical requirements to be met by pliers and nippers for electronics. These pliers and nippers for electronics are intended for use on electronic components, printed circuit boards, etc. Certain terms used in this International Standard are defined in ISO 5742. This International Stan
14、dard does not apply to tools intended for working on live electrical circuits and for antistatic applications. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the
15、 edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currentl
16、y valid International Standards. ISO 8979:1988, Pliers and nippers for electronics Nomenclature. 3 Handles The hardness of the handles shall be 40 HRC min. The handles shall be shaped and equipped with sleeves to afford a comfortable grip. The sleeves shall be securely fixed and resistant to oil and
17、 grease. 4 Heads 4.1 General Unless otherwise specified, the hardness of the head shall be 40 HRC min. 4.2 Joint The joint shall be constructed to allow free movement from the closed to the open position within the normal working range and shall be free from excessive side movement which could impai
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