www bzfxw com | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]
Trang 1Part 2-5: Particular requirements for
circular saws and circular knives
Trang 2This British Standard, having
been prepared under the
direction of the Electrotechnical
Sector Committee, was published
under the authority of the
Standards Committee and comes
into effect on 15 May 2000
BSI 05-2000
BS EN 50144-2-5:2000
Amendments issued since publication
Ð aid enquirers to understand the text;
Ð present to the responsible European committee any enquiries on theinterpretation, or proposals for change, and keep the UK interests informed;
Ð monitor related international and European developments and promulgatethem in the UK
A list of organizations represented on this subcommittee can be obtained on request
to its secretary
Cross-references
The British Standards which implement international or European publicationsreferred to in this document may be found in the BSI Standards Catalogue under thesection entitled ªInternational Standards Correspondence Indexº, or by using theªFindº facility of the BSI Standards Electronic Catalogue
A British Standard does not purport to include all the necessary provisions of acontract Users of British Standards are responsible for their correct application
Compliance with a British Standard does not of itself confer immunity from legal obligations.
Trang 33DUWLH5qJOHVSDUWLFXOLqUHVSRXUOHVVFLHVFLUFXODLUHVHWOHVFRXWHDX[FLUFXODLUHV
6LFKHUKHLWKDQGJHIKUWHUPRWRUEHWULHEHQHQ(OHNWURZHUN]HXJHQ7HLO%HVRQGHUH$QIRUGHUXQJHQDQ.UHLVVlJHQXQG.UHLVPHVVHU
7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1(/(&RQ&(1(/(&PHPEHUVDUHERXQG WRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV (XURSHDQ6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ
8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDOVWDQGDUGVPD\EHREWDLQHGRQ DSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1(/(&PHPEHU
&HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%%UXVVHOV
Trang 4$ GUDIW IRU DQ DPHQGPHQW ZDV VXEPLWWHG WR 8$3 LQ $SULO DQG ZDV DSSURYHG E\ &(1(/(& RQ
IRULQFOXVLRQLQWRWKH(XURSHDQ6WDQGDUG
$ IXUWKHU DPHQGPHQW ZDV VXEPLWWHG WR 8$3 LQ 0D\ DQG ZDV DSSURYHG E\ &(1(/(& DVDPHQGPHQW$WR(1RQ
$PHQGPHQWVWRIXOILOWKHHVVHQWLDOUHTXLUHPHQWVRIWKH0DFKLQHU\'LUHFWLYHZHUHVXEPLWWHGWRWKHIRUPDOYRWHLQ-DQXDU\ DQGZHUH DSSURYHG E\ &(1(/(& RQ IRU LQFOXVLRQ WRJHWKHUZLWK WKHHDUOLHUDPHQGPHQWLQWRDVHFRQGHGLWLRQRI(1
3DUW 5HTXLUHPHQWV IRU SDUWLFXODU W\SHV RI WRRO ZKLFK HLWKHU VXSSOHPHQW RU PRGLI\ WKH UHTXLUHPHQWVJLYHQLQ3DUWWRDFFRXQWIRUWKHSDUWLFXODUKD]DUGVDQGFKDUDFWHULVWLFVRIWKHVHVSHFLILFWRROV
7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGXQGHUDPDQGDWHJLYHQWR&(1&(1(/(&E\WKH(XURSHDQ
&RPPLVVLRQ DQG WKH (XURSHDQ )UHH 7UDGH $VVRFLDWLRQ DQG VXSSRUWV WKH HVVHQWLDO KHDOWK DQG VDIHW\UHTXLUHPHQWVRIWKH0DFKLQHU\'LUHFWLYH
&RPSOLDQFHZLWKWKHFODXVHVRI3DUWWRJHWKHUZLWKWKLV3DUWSURYLGHVRQHPHDQVRIFRQIRUPLQJZLWKWKHHVVHQWLDOKHDOWKDQGVDIHW\UHTXLUHPHQWVRIWKH'LUHFWLYH
)RU QRLVH DQG YLEUDWLRQ WKLV VWDQGDUG FRYHUV WKH UHTXLUHPHQWV IRU WKHLU PHDVXUHPHQW WKH SURYLVLRQ RILQIRUPDWLRQ DULVLQJ IURP WKHVH PHDVXUHPHQWV DQG WKH SURYLVLRQ RI LQIRUPDWLRQ DERXW WKH SHUVRQDOSURWHFWLYHHTXLSPHQWUHTXLUHG6SHFLILFUHTXLUHPHQWVIRUWKHUHGXFWLRQRIWKHULVNDULVLQJIURPQRLVHDQGYLEUDWLRQWKURXJKWKHGHVLJQRIWKHWRRODUHQRWJLYHQDVWKLVUHIOHFWVWKHFXUUHQWVWDWHRIWKHDUW$VZLWKDQ\VWDQGDUGWHFKQLFDOSURJUHVVZLOOEHNHSWXQGHUUHYLHZVRWKDWDQ\GHYHORSPHQWVFDQEHWDNHQLQWRDFFRXQW
Trang 73DJH
(1
PRYDEOH JXDUG &RYHU ZKLFK LQ WKH UHVW SRVLWLRQ SUHYHQWV DFFHVV WR WKH SDUW RI WKH EODGH
ZKLFK LV QRW FRYHUHG E\ WKH IL[HG JXDUG DQG ZKLFK LQ PRVW FDVHV LV VLWXDWHG EHORZ WKH JXLGH SODWH
Trang 12WKH ULYLQJ NQLIH VKDOO KDYH D ULJLGLW\ HTXLYDOHQW WR WKDW RI D SODQH VHFWLRQ NQLIH WKH ZLGWK RI ZKLFK LV
PDLQWDLQHG HTXDO WR RI WKH GLDPHWHU RI WKH EODGH XS WR WKLV OHYHO HJ E\ PHDQV RI DGGLWLRQDO
FODPSLQJ
Trang 1318.106 Provision shall be made to enable the operator to lock the output spindle in order to replace the
saw blade without difficulty
18.107 The total mass of a circular saw intended to be operated by one person shall not exceed 16 kg
7KH WRWDO PDVV LV WKH PDVV RI WKH WRRO ILWWHG ZLWK D IOH[LEOH FRUG RI P LQ OHQJWK WRJHWKHU ZLWK WKH
KHDYLHVWDFFHVVRU\PHQWLRQHGLQWKHLQVWUXFWLRQVKHHW
&RPSOLDQFHLVFKHFNHGE\LQVSHFWLRQDQGPHDVXUHPHQW
Trang 173DJH
(1
)LJXUH²2ULHQWDWLRQRIWRRODQGRSHUDWRU
Trang 192
bmin
)LJXUH²$SHUWXUHLQPRYDEOHJXDUG
Trang 21www.bzfxw.com
Trang 22BSI Ð British Standards Institution
BSI is the independent national body responsible for preparing British Standards Itpresents the UK view on standards in Europe and at the international level It isincorporated by Royal Charter
Information on standards
BSI provides a wide range of information on national, European and internationalstandards through its Library and its Technical Help to Exporters Service VariousBSI electronic information services are also available which give details on all itsproducts and services Contact the Information Centre Tel: 020 8996 7111
Fax: 020 8996 7048
Subscribing members of BSI are kept up to date with standards developments andreceive substantial discounts on the purchase price of standards For details ofthese and other benefits contact Membership Administration Tel: 020 8996 7002
Fax: 020 8996 7001
Copyright
Copyright subsists in all BSI publications BSI also holds the copyright, in the UK, ofthe publications of the international standardization bodies Except as permittedunder the Copyright, Designs and Patents Act 1988 no extract may be reproduced,stored in a retrieval system or transmitted in any form or by any means ± electronic,photocopying, recording or otherwise ± without prior written permission from BSI
This does not preclude the free use, in the course of implementing the standard, ofnecessary details such as symbols, and size, type or grade designations If thesedetails are to be used for any other purpose than implementation then the priorwritten permission of BSI must be obtained
If permission is granted, the terms may include royalty payments or a licensingagreement Details and advice can be obtained from the Copyright Manager
Tel: 020 8996 7070