BS ISO 5743-2004 Pliers and nippers - General technical requirements《夹扭钳和剪切钳 通用技术条件》.pdf

1、BRITISH STANDARD BS ISO 5743:2004 Pliers and nippers General technical requirements ICS 25.140.30 BS ISO 5743:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 9 December 2004 BSI 9 December 2004 ISBN 0 580 45036 8 National foreword This B

2、ritish Standard reproduces verbatim ISO 5743:2004 and implements it as the UK national standard. It supersedes BS 3087-3:1986 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee MTE/15, Hand tools, to Subcommittee MTE/15/13, Assembly tools for screws and

3、nuts, pliers and nippers, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Cata

4、logue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its co

5、rrect application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests i

6、nformed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a blank page, pages 1 to 3 and a back cover. The BSI copyright notice displayed in this

7、 document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 5743:2004(E) ISO 2004INTERNATIONAL STANDARD ISO 5743 Third edition 2004-09-15 Pliers and nippers General technical requirements Pinces et tenailles Spcifications tec

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13、 ISO 2004 All rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body inte

14、rested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnica

15、l Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the t

16、echnical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. I

17、SO shall not be held responsible for identifying any or all such patent rights. ISO 5743 was prepared by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 10, Assembly tools for screws and nuts, pliers and nippers. This third edition cancels and replaces the second edition (ISO 5743:1988)

18、which has been technically revised. BSISO5743:2004blank BSISO5743:2004INTENRATIONAL TSANDADR IS:3475 O4002(E)I SO 4002 All irthgs ersedevr 1Pliers and nippers General technical requirements 1 Scope This International Standard specifies the general technical requirements to be met by pliers and nippe

19、rs. It does not specify insulating or antistatic characteristics of handle coatings. Plastic coatings or plastic sleeves are intended for gripping comfort only. This International Standard is only applicable to pliers for which ISO standards exist. 2 Normative references The following referenced doc

20、uments 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 document (including any amendments) applies. ISO 5742, Pliers and nippers Nomenclature ISO 5744, Pliers and nippers Method

21、s of test 3 Handles Handles shall be shaped to afford a comfortable grip and shall prevent accidental pinching of the hands. For pliers provided with a comfort grip, the width of the handles shall include the thickness of the comfort grip. 4 Heads 4.1 Joint The joint shall be constructed to allow fr

22、ee movement from the closed to the open position and shall be free from excessive side movement in any position that could impair the function of the tool. 4.2 Jaws For all pliers the jaws shall meet at the point. Pliers and nippers for which other specifications are laid down in the dimensional sta

23、ndards are excepted. Cutting edge of cutting pliers shall have a minimum hardness of 55 HRC. The hardness of the gripping surfaces for all pliers shall be a minimum of 42 HRC. The hardness shall be measured in accordance with ISO 5744. BSISO5743:2004ISO 5743:2004(E) 2 I SO 4002 All irthgs ersedevr5

24、Designation 5.1 Nippers The principal information for the designation of nippers shall be given in the following order and in accordance with ISO 5742: a) designation and number of nomenclature; b) number of ISO standard concerned; c) dimensions; d) direction and position of cutting edges; e) type a

25、nd shape of cutting edges; f) type of joint; g) shape of handles in the longitudinal direction; h) field of application (only if required for better understanding). 5.2 Gripping and dual-purpose pliers The principal information for the designation of gripping and dual-purpose pliers shall be given i

26、n the following order and in accordance with ISO 5742: a) designation and number of nomenclature; b) number of ISO standard concerned; c) dimensions; d) shape of nose (end view at the point); e) shape of nose (in the longitudinal direction); f) shape of back of the nose; g) whether with or without s

27、errations; h) whether with or without grooves; i) type of joint; j) shape of handles in the longitudinal direction; k) field of application; for dual-purpose pliers, specify the test wire (only if required for better understanding). 6 Marking Pliers shall be marked with at least the name or trademar

28、k of the manufacturer or responsible supplier. BSISO5743:2004IS:3475 O4002(E) I SO 4002 All irthgs ersedevr 3Bibliography 1 ISO 5745, Pliers and nippers Pliers for gripping and manipulating Dimensions and test values 2 ISO 5746, Pliers and nippers Engineers and linemans pliers Dimensions and test va

29、lues 3 ISO 5747, Pliers and nippers Lever assisted side cutting pliers, end and diagonal cutting nippers Dimensions and test values 4 ISO 5748, Pliers and nippers End cutting nippers Dimensions and test values 5 ISO 5749, Pliers and nippers Diagonal cutting nippers Dimensions and test values 6 ISO 6

30、508-1, Metallic materials Rockwell hardness test Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) 7 ISO 8976, Pliers and nippers Multiple slip joint pliers Dimensions and test values 8 ISO 9242, Pliers and nippers Construction workers pincers Dimensions and test values 9 ISO 9243, Pliers

31、 and nippers Carpenters pincers Dimensions and test values 10 ISO 9343, Pliers and nippers Slip joint pliers Dimensions and test values BSISO5743:2004BS ISO 5743:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for prepa

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