【BS英国标准】BS EN 999-1999 机械安全.相对于人体部分设备闭合速度保护位置.doc
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1、BRITISH STANDARDSafety of machinery The positioning of protective equipment in respect of approach speeds of parts of thehuman bodyThe European Standard EN 999:1998 has the status of aBritish StandardICS 13.110; 13.180| BS EN999:1999| Incorporating| Corrigendum No. 1|NO COPYING WITHOUT BSI PERMISSIO
2、N EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 999:1999National forewordThis British Standard is the English language version of EN 999:1998.The UK participation in its preparation was entrusted to Technical CommitteeMCE/3, Safeguarding of machinery, which has the responsibility to: aid enquirers to un
3、derstand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.A list of organizations represented on this committ
4、ee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using th
5、eFind facility of the BSI Standards Electronic Catalogue.A British Standard does not purport to include 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 lega
6、l obligations.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 14, an inside back cover and a back cover.The BSI copyright notice displayed throughout this document indicates when the document was last issued.Sidelining in this document indi
7、cates the most recent changes by amendment.This British Standard, having been prepared under the direction of the EngineeringAmd. No.DateComments10653Corrigendum No. 1August 1999Indicated by a sidelineSector Committee, was published under the authority of the Standards Committee and comes into effec
8、t on 15 March 1999BSI 08-1999ISBN 0 580 32158 4Amendments issued since publicationEUROPEAN STANDARDEN 999NORME EUROPE ENNEEUROPA ISCHE NORMOctober 1998ICS 13.110Descriptors: safety of machines, accident prevention, work safety, control devices, safety devices, ports: openings, distance, safe service
9、 life, computation, minimum valueEnglish versionSafety of machinery The positioning of protective equipment in respect of approach speeds of parts of the human bodySe curite des machines Positionnement dese quipements de protection en fonction de la vitesse dapproche des parties du corpsSicherheit v
10、on Maschinen Anfordnung vonSchutzeinrichtungen im Hinblick aufAnna herungsgeschwindigkeiten von Ko rperteilenThis European Standard was approved by CEN on 20 September 1998.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe
11、an Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official version (Enlgish, Fr
12、ench, German). A version in any other language made by translation under the responsibility pf a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, De
13、nmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.CENEuropean Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r NormungCentral Secretariat: rue de Stassar
14、t 36, B-1050 Brussels1998 CEN All rights of expoitation in any form and by any means reserved worldwide for CEN nationalMembers.Ref. No. EN 999:1998 EPage 9EN 999:1998BSI 08-1999ForewordThis European Standard has been prepared byTechnical Committee CEN/TC 114, Safety of machinery,ContentsPagethe Sec
15、retariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 1999, and conflicting national standards shall be withdrawn atthe latest by April 1999.It is a type B1 standa
16、rd and is intended to be an accompaniment to the European Standards EN 292-1 and EN 292-2.This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).For relationship
17、with EU Directive(s), see informative annex ZA, which is an integral part of this standard.According to CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
18、 France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United KingdomForeword 20Introduction 31Scope 32Normative references33Definitions44Methodology45General formula for the calculation of minimum distances66Calculation of mi
19、nimum distances for electro-sensitive protective equipment employing active opto-electronic protectivedevices 66.1Direction of approach normal to thedetection zone 66.2Direction of approach parallel to the detection zone96.3Direction of approach angled to the detection zone96.4Dual position equipmen
20、t107Method of calculating the minimumdistances for ground level trip devices 117.1General method 117.2Floor mounting 117.3Step mounting 118Two-hand control devices 11Annex A (informative) Worked examples 12Annex B (informative) Walking speeds and stride lengths13Annex ZA (informative) Clauses of thi
21、s EuropeanStandard addressing essential requirements orother provisions of EU directives 140 IntroductionThe effectiveness of certain types of protective equipment described in this standard to minimize risk relies, in part, on the relevant parts of that equipment being correctly positioned in relat
22、ion to the danger zone. In deciding on these positions a number of aspects will need to be taken into account, such as: a need for the identification of hazards and an assessment of all the risks; practical experiences of users including accident statistics and existing national standards; the state
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