SANS 60745-2-20-2009 Hand-held motor-operated electric tools - Safety Part 2-20 Particular requirements for band saws《手持式电动工具 安全 第2-20部分 对带锯的特殊要求》.pdf

《SANS 60745-2-20-2009 Hand-held motor-operated electric tools - Safety Part 2-20 Particular requirements for band saws《手持式电动工具 安全 第2-20部分 对带锯的特殊要求》.pdf》由会员分享，可在线阅读，更多相关《SANS 60745-2-20-2009 Hand-held motor-operated electric tools - Safety Part 2-20 Particular requirements for band saws《手持式电动工具 安全 第2-20部分 对带锯的特殊要求》.pdf（12页珍藏版）》请在麦多课文档分享上搜索。

1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22893-4 SANS 60745-2-20:2009Edition 1.1IEC 60745-2-20:2008Edition 1.1 SOUTH AFRICAN NATIONAL STANDARD Hand-held motor-operated electric to

4、ols Safety Part 2-20: Particular requirements for band saws This national standard is the identical implementation of IEC 60745-2-20:2008 and is adopted with the permission of the International Electrotechnical Commission. WARNING Can only be used in conjunction with SANS 60745-1. Published by SABS

5、Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 60745-2-20:2009 Edition 1.1 IEC 60745-2-20:2008 Edition 1.1 Table of changes Change No. Date Scope IEC amdt 1 2008 Amended to include electromagnetic pheno

6、mena that can affect the safe operation of band saw appliances, to include editorial modifications, to add requirements relating to exposed metal parts, to add construction requirements and to add safety requirements to annexes K and L. National foreword This South African standard was approved by N

7、ational Committee SABS TC 72, Safety of electrical appliances and electronic equipment, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This SANS document, by reference, forms part of the Compulsory specification for electrical and e

8、lectronic apparatus, as published by Government Notice No. 89 (Government Gazette 31844) of 6 February 2009. This SANS document was published in July 2009. This SANS document supersedes SANS 60745-2-20:2003 (edition 1). IEC 60745-2-20Edition 1.1 2008-07INTERNATIONAL STANDARD NORME INTERNATIONALEHand

9、-held motor-operated electric tools Safety Part 2-20: Particular requirements for band saws Outils lectroportatifs moteur Scurit Partie 2-20: Rgles particulires pour les scies ruban INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE CAICS 25.140.20 PRICE CODECODE PR

10、IXISBN 2-8318-9869-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale SANS 60745-2-20:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 2 60745-2-20 IEC:200

11、3+A1:2008 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS SAFETY Part 2-20: Particular requirements for band saws FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnic

12、al committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, T

13、echnical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, gover

14、nmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions o

15、r agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for internationa

16、l use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to

17、promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly i

18、ndicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall att

19、ach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fee

20、s) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publicati

21、on. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. This part of International Standard IEC 60745 has been prepared by subcommittee 61F: Sa

22、fety of hand-held, motor-operated electric tools, of IEC technical committee 61:Safety of household and similar electrical appliances This consolidated version of IEC 60745-2-20 consists of the first edition (2003) documents 61F/508/FDIS and 61F/519/RVD and its amendment 1 (2008) documents 61F/738/F

23、DIS and 61F/758/RVD. The technical content is therefore identical to the base edition and its amendment and has been prepared for user convenience. It bears the edition number 1.1. A vertical line in the margin shows where the base publication has been modified by amendment 1. The French version of

24、this standard has not been voted upon. SANS 60745-2-20:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .60745-2-20 IEC:2003+A1:2008 3 This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. This part 2 is to be

25、 used in conjunction with the latest edition of IEC 60745-1, Hand-held motor-operated electric tools Safety Part 1: General requirements, and its amendments. It was established on the basis of the third edition (2001) of that standard. NOTE 1 When “Part 1” is mentioned in this standard, it refers to

26、 IEC 60745-1. This part 2 supplements or modifies the corresponding clauses of IEC 60745-1, so as to convert that publication into the IEC standard: Safety requirements for electric band saws. When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies as far as is

27、reasonable. When this standard states “addition”, “modification” or “replacement”, the relevant text in Part 1 is to be adapted accordingly.NOTE 2 The following numbering system is used: subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1; additional

28、annexes are lettered AA, BB, etc. NOTE 3 In this standard, the following print types are used: requirements: in roman type; test specifications: in italic type; notes: in smaller roman type. Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and

29、 the associated noun are also in bold. With amendment 1, this Part 2 is established on the basis of the fourth edition (2006) of IEC 60745-1, Hand-held motor-operated electric tools Safety Part 1: General requirements. Main changes include editorial modifications to match with the fourth edition of

30、IEC 60745-1 and clarifications in Annex K. The committee has decided that the contents of the base publication and its amendments will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At th

31、is date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. SANS 60745-2-20:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 4 60745-2-20 IEC:2003+A1:2008 HAND-HELD MOTOR-OPERATED ELECTRIC TOOLS SAF

32、ETY Part 2-20: Particular requirements for band saws 1 Scope This clause of Part 1 is applicable, except as follows: Addition: This standard applies to band saws. 2 Normative references This clause of Part 1 is applicable. 3 Terms and definitions This clause of Part 1 is applicable, except as follow

33、s: 3.101 band saw tool equipped with an endless loop blade 4 General requirements This clause of Part 1 is applicable. 5 General conditions for the tests This clause of Part 1 is applicable. 6 Void 7 Classification This clause of Part 1 is applicable. 8 Marking and instructions This clause of Part 1

34、 is applicable, except as follows: 8.12.1.1 Addition: Hold power tool by insulated gripping surfaces, when performing an operation where the cutting accessory may contact hidden wiring or its own cord. Cutting accessories contacting a “live“ wire may make exposed metal parts of the power tool “live“

35、 and could give the operator an electric shock. SANS 60745-2-20:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .60745-2-20 IEC:2003+A1:2008 5 9 Protection against access to live parts This clause of Part 1 is applicable. 10 Starting This

36、clause of Part 1 is applicable. 11 Input and current This clause of Part 1 is applicable. 12 Heating This clause of Part 1 is applicable. 13 Leakage current This clause of Part 1 is applicable. 14 Moisture resistance This clause of Part 1 is applicable. 15 Electric strength This clause of Part 1 is

37、applicable. 16 Overload protection of transformers and associated circuits This clause of Part 1 is applicable. 17 Endurance This clause of Part 1 is applicable. 18 Abnormal operation This clause of Part 1 is applicable. 19 Mechanical hazards This clause of Part 1 is applicable. 20 Mechanical streng

38、th This clause of Part 1 is applicable. SANS 60745-2-20:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 6 60745-2-20 IEC:2003+A1:2008 21 Construction This clause of Part 1 is applicable, except as follows: 21.18.1 Addition: Tools with a

39、no-load speed greater than 125 m/min shall not be equipped with a means of locking the switch in the “on” position. 22 Internal wiring This clause of Part 1 is applicable. 23 Components This clause of Part 1 is applicable. 24 Supply connection and external flexible cords This clause of Part 1 is app

40、licable. 25 Terminals for external conductors This clause of Part 1 is applicable. 26 Provision for earthing This clause of Part 1 is applicable. 27 Screws and connections This clause of Part 1 is applicable. 28 Creepage distances, clearances and distances through insulation This clause of Part 1 is

41、 applicable. 29 Resistance to heat, fire and tracking This clause of Part 1 is applicable. 30 Resistance to rusting This clause of Part 1 is applicable. 31 Radiation, toxicity and similar hazards This clause of Part 1 is applicable. SANS 60745-2-20:2009This s tandard may only be used and printed by

42、approved subscription and freemailing clients of the SABS .60745-2-20 IEC:2003+A1:2008 7 Annexes The annexes of Part 1 are applicable except as follows. Annex K (normative) Battery tools and battery packs K.1 Addition: All clauses of this Part 2 apply unless otherwise specified in this annex. K.8.12

43、.1.1 Replacement of this subclause of Part 2: Hold power tool by insulated gripping surfaces, when performing an operation where the cutting accessory may contact hidden wiring. Cutting accessories contacting a “live“ wire may make exposed metal parts of the power tool “live“ and could give the oper

44、ator an electric shock. Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources L.1 Addition: All clauses of this Part 2 apply unless otherwise specified in this annex. Bibliography The bibliography of Part 1 is applicable. _ SABSSANS 60745-2-20:200

45、9This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .This page has been left blank intentionally SABS Standards Division The objective of the SABS Standards Division is to develop, promote and maintain South African National Standards. This objec

46、tive is incorporated in the Standards Act, 2008 (Act No. 8 of 2008). Amendments and Revisions South African National Standards are updated by amendment or revision. Users of South African National Standards should ensure that they possess the latest amendments or editions. The SABS continuously stri

47、ves to improve the quality of its products and services and would therefore be grateful if anyone finding an inaccuracy or ambiguity while using this standard would inform the secretary of the technical committee responsible, the identity of which can be found in the foreword. Tel: +27 (0) 12 428 66

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