1、BS EN 50632-2-5:2016Electric motor-operatedtools Dust measurementprocedurePart 2-5: Particular requirements for circularsawsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 50632-2-5:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implement
2、ation of EN50632-2-5:2016.The UK participation in its preparation was entrusted to TechnicalCommittee CPL/116, Safety of motor-operated electric tools.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the
3、 necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 90191 1ICS 13.040.40; 25.140.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This Briti
4、sh Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 50632-2-5:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50632-2-5 July 2016 ICS 13.040.40; 25.140.2
5、0 English Version Electric motor-operated tools - Dust measurement procedure - Part 2-5: Particular requirements for circular saws Outils lectriques moteur - Procdure de mesure de la poussire - Partie 2-5: Exigences particulires pour les scies circulaires Motorbetriebene Elektrowerkzeuge - Staubmess
6、verfahren -Teil 2-5: Besondere Anforderungen fr Kreissgen This European Standard was approved by CENELEC on 2016-05-03. 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 wit
7、hout any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any ot
8、her language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyp
9、rus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and t
10、he United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitation in any form and by any
11、means reserved worldwide for CENELEC Members. Ref. No. EN 50632-2-5:2016 EBS EN 50632-2-5:2016EN 50632-2-5:2016 (E) 2 Contents European foreword . 3 1 Scope . 4 2 Normative references. 4 3 Terms and definitions 4 4 Test procedure . 4 5 Instrumentation 5 6 Information to be reported 5 Tables Table 10
12、1 Operating conditions for circular saws intended to cut wood 5 BS EN 50632-2-5:2016EN 50632-2-5:2016 (E) 3 European foreword This document (EN 50632-2-5:2016) has been prepared by CLC/TC 116 “Safety of motor-operated electric tools“. The following dates are fixed: latest date by which this document
13、 has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2017-05-03 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2018-05-03 Attention is drawn to the possibility that some of the element
14、s of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This European Standard is divided into three parts: Part 1: General requirements for the dust measurement which are common to electric motor-operate
15、d tools (for the purpose of this standard referred to simply as tools); Part 2 or 3: Requirements for the dust measurement for particular types of tools, which either supplement or modify the requirements given in Part 1 to account for the particular characteristics of these specific tools. This Par
16、t 2 is to be used in conjunction with EN 50632-1:2015. This Part 2 supplements or modifies the corresponding clauses in EN 50632-1:2015. This Part 2 was developed to set out requirements for the measurement of the concentration for inhalable and respirable dust emitted by circular saws. Where a part
17、icular subclause of Part 1 is not mentioned in this Part 2, that subclause applies as far as reasonable. When this standard states “addition“, “modification“ or “replacement“, the relevant text in Part 1 is to be adapted accordingly. Subclauses, tables and figures which are additional to those in Pa
18、rt 1 are numbered starting from 101. This European Standard has been drafted in accordance with the CEN/CENELEC Internal Regulations, Part 3. The following print types are used: - requirements proper: in roman type; - test specifications: in italic type; - explanatory matter: in smaller roman type.
19、The terms defined in Clause 3 are printed in bold typeface. BS EN 50632-2-5:2016EN 50632-2-5:2016 (E) 4 1 Scope This clause of Part 1 is applicable except as follows: Addition: This part of EN 50632 applies to circular saws. 2 Normative references This clause of Part 1 is applicable except as follow
20、s. Addition: EN 312:2010, Particleboards Specifications 3 Terms and definitions This clause of Part 1 is applicable except as follows: 3.101 circular saw tool intended for cutting various materials with a rotating toothed blade 4 Test procedure This clause of Part 1 is applicable except as follows:
21、4.3 Operating conditions Addition: Circular saws intended to cut wood are tested under load observing the conditions shown in Table 101. BS EN 50632-2-5:2016EN 50632-2-5:2016 (E) 5 Table 101 Operating conditions for circular saws intended to cut wood Material and set-up Chipboard: P2 in accordance w
22、ith EN 312:2010, density (610 60) kg/m, thickness (19 1) mm, width (400 2) mm, any length. Chipboard is mounted horizontally on a bench with a suitable working height (approximately 900 mm). Orientation and operation Sawing of approximately 10 mm wide strips by means of a guide rail or rip fence, ov
23、er the width of 400 mm. Tool bit/settings New saw blade as specified by the manufacturer for sawing chipboard at the beginning of each of the three tests. Speed setting devices, if any, shall be adjusted to the setting specified for sawing chipboard. Cutting depth: (30 1) mm, or as close as possible
24、 to this value. Feed force The feed force applied to the tool shall be sufficient to ensure stable operation with good performance. Test During the working time of one test cycle, 30 cuts as specified above are performed equally distributed over the working time. NOTE Cutting 30 cuts in 10 min will
25、require a cutting speed of 1,5 m/min, including sufficient time between the individual cuts. If the above cannot be achieved within 10 min, the time is extended to allow the required number of strips to be cut. 5 Instrumentation This clause of Part 1 is applicable. 6 Information to be reported This
26、clause of Part 1 is applicable except as follows: p) Modification: Information about extension of the cycle time in case 30 strips could not be achieved within 10 min. This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standar
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