EN 12622-2009 en Safety of machine tools - Hydraulic press brakes (Incorporates Amendment A1 2013)《机床安全性 液压折弯机》.pdf

1、BSEN12622:2009ICS25.120.10NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBRITISHSTANDARDSafetyofmachinetoolsH ydraulicpressbrakesBS EN 12622:2009 +A1:2013EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12622:2009+A1October 2013ICS 25.120.10 Supersedes EN 12622:2009English VersionSafet

2、y of machine tools - Hydraulic press brakesScurit des machines-outils - Presses plieuseshydrauliquesSicherheit von Werkzeugmaschinen - Hydraulische GesenkbiegepressenThis European Standard was approved by CEN on 17 October 2009 and includes Amendment 1 approved by CEN on 26 August 2013. CEN members

3、are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to

4、the CEN-CENELEC Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Cen

5、tre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania

6、,Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 B

7、russels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 12622:2009+A1:2013: EBS EN 12622:2009+A1:2013ISBN 978 0 580 81700 7Amendments/corrigenda issued since publicationDate Comments31 October 2013 Implementation of CEN amendme

8、nt A1:2013This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2009 The British Standards Institution 2013. Published by BSI Standards Limited 2013National forewordThis British Standard is the UK implementation of EN 12622:2009+A1:2013

9、. It supersedes BS EN 12622:2009 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by .The UK parti

10、cipation in its preparation was entrusted by Technical Committee MTE/1, Machine tools, to Subcommittee MTE/1/1, Machine tools Safety.A list of organizations represented on this subcommittee can be obtained on request to its secretary.The publication does not purport to include all the necessary prov

11、isions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12622:2009+A1October 2013ICS 25.120.10 Supersedes EN 12622:2009English VersionSafety of machine t

12、ools - Hydraulic press brakesScurit des machines-outils - Presses plieuses hydrauliquesSicherheit von Werkzeugmaschinen - Hydraulische GesenkbiegepressenThis European Standard was approved by CEN on 17 October 2009 and includes Amendment 1 approved by CEN on 26 August 2013. CEN members are bound to

13、comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard 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 CEN-CENE

14、LEC Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the

15、same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembour

16、g, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 20

17、13 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 12622:2009+A1:2013: EEN 12622:2009+A1:2013 (E)2Contents PageForeword4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviations9 3.1 Terms and defini

18、tions .9 3.2 Abbreviations 12 4 List of significant hazards . 12 5 Safety requirements and/or measures . 15 5.1 Protection of mechanical hazards 15 5.1.1 Description of the safeguarding of access to moving parts 15 5.1.1.1 General . 15 5.1.1.2 Fixed enclosing guards 15 5.1.1.3 Interlocking guards wi

19、th or without guard locking . 15 5.1.1.4 ESPE using AOPD. 16 5.1.1.5 Laser actuated AOPD . 20 5.1.1.6 Hold to run control 22 5.1.1.7 Scanner systems. 22 5.1.1.8 ESPE using AOPD when used in automatic cycle as a trip device . 23 5.1.2 Location of the safeguarding of access to moving parts. 24 5.1.2.1

20、 Prevention of access from the front 24 5.1.2.2 Prevention of access from the sides 25 5.1.2.3 Prevention of access from the rear. 25 5.2 Control systems 26 5.2.1 General. 26 5.2.2 Manual control devices 26 5.2.3 Failure of power supply . 26 5.2.4 Protection against external influences. 26 5.2.5 Saf

21、ety functions 26 5.2.5.1 General . 26 5.2.5.2 Behaviour of the control system in case of failure 33 5.2.5.3 Stop or hold to stop closing stroke of the beam . 34 5.2.5.4 Stop back gauges 34 5.2.5.5 Back gauges movement limitation 34 5.2.5.6 Stop work-piece support movement. 35 5.2.5.7 Slow speed. 35

22、5.2.5.8 Muting. 35 5.2.5.9 Blanking . 36 5.2.5.10 Emergency stop 36 5.2.5.11 Mode selection 36 5.2.5.12 Single stroke function 37 5.2.6 Other functions . 37 5.2.6.1 Start 37 5.2.6.2 Restart 37 5.2.6.3 Reset. 38 5.2.6.4 Normal stop . 38 5.2.7 Use of electronic components 38 5.2.7.1 Access to the NC p

23、rogram . 38 5.2.7.2 Use of PES for safety functions. 38 5.3 Mode of operation. 39 5.3.1 Description of the various modes of operation. 39 5.3.2 Setting mode . 39 5.3.3 Production modes 39 5.3.3.1 Single cycle manual load and/or unload 39 EN 12622:2009+A1:2013 (E)35.3.3.2 Automatic cycle with automat

24、ic load and unload 40 5.4 Basic design considerations40 5.4.1 Stability.40 5.4.1.1 Prevention of unintended gravity fall of the beam (down stroking press brakes)40 5.4.1.2 Stability of the press brake .40 5.4.1.3 Stability of the work piece.40 5.4.2 Risk of break up during operation .40 5.4.3 Tool h

25、older and tool design .41 5.4.4 Access to raised work stations or platforms41 5.4.5 Slips, trips and falls.41 5.4.6 Release of trapped persons .41 5.4.7 Guarding of drives, transmission machinery and ancillary devices41 5.5 Protection against non-mechanical hazard 42 5.5.1 Noise .42 5.5.2 Electrical

26、 hazards 43 5.5.3 Ergonomic and handling.43 5.5.4 Hydraulic and pneumatic systems 43 5.5.4.1 General43 5.5.4.2 Valves44 5.5.4.3 Hydraulic systems .44 5.5.5 Thermal hazards 45 5.5.6 Hazards generated by materials and substances 45 5.5.7 Hazards generated by lasers45 5.5.8 High pressure fluid ejection

27、 hazards.45 5.5.9 Isolation and energy dissipation45 5.5.10 Maintenance .45 5.5.11 Errors of fitting.45 6 Verification of the safety requirements and/or protective measures.46 7 Information for use 48 7.1 Marking .48 7.2 Instruction handbook49 7.3 Commercial informations .50 Annex A (normative) Calc

28、ulation of minimum safety distances51 Annex B (normative) The overall response time of the press brake stopping performance53 Annex C (informative) Example of redundant and monitored hydraulic control circuits for a down-stroking press brake .54 Annex D (normative) Conditions for noise measurement o

29、f press brakes 55 Annex E (informative) Side safeguarding for manually fed press brakes.56 Annex F (informative) Markings.57 Annex G (normative) Laser actuated AOPD system tests58 Annex H (informative) Bending speed 59 Annex ZA (informative) Relationship between this European Standard and the Essent

30、ial Requirements of EU Directive 2006/42 .61 Bibliography62 4ForewordThis document (EN 12622:2009+A1:2013) has been prepared by Technical Committee CEN/TC 143 “Machine tools - Safety”, the secretariat of which is held by SNV.This European Standard shall be given the status of a national standard, ei

31、ther by publication of an identical text or by endorsement, at the latest by April 2014, and conflicting national standards shall be withdrawn at the latest by April 2014.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or

32、CENELEC shall not be held responsible for identifying any or all such patent rights.This document upersedes !EN 12622:2009“.This document includes Amendment 1 approved by CEN on 2013-08-26.The start and finish of text introduced or altered by amendment is indicated in the text by tags !“.This docume

33、nt 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 with EU Directive(s), see informative Annex ZA, which is an integral part of this document.This European Stand

34、ard constitutes a revision of EN 12622:2001 for which it has been technically revised. The main modifications are listed below: complete reorder of Clause 5 “Safety requirements and/or measures“; description of safety functions and its safety related part of control systems with categories assignate

35、d and /or performance levels required (see Tables 2 and/or 3); addition of subclause 5.2.7 on the use of programmable electronic components (PES); addition of subclause 5.3.3 concerning production mode; addition of new safety functions and new safety devices: a stop work-piece support movement (see

36、5.2.5.6), monitoring of slow speed (see 5.2.5.7), laser actuated AOPD (see 5.1.1.5), AOPDDR scanner systems (see 5.1.1.7.1) and ESPE using AOPD used in automatic cycle as a trip device (see 5.1.1.8).According to the CEN-CENELEC Internal Regulations, the national standards organisations of the follow

37、ing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No

38、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.BS EN 12622:2009+A1:2013EN 12622:2009+A1:2013 (E)EN 12622:2009+A1:2013 (E)2Contents PageForeword4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviations9

39、3.1 Terms and definitions .9 3.2 Abbreviations 12 4 List of significant hazards . 12 5 Safety requirements and/or measures . 15 5.1 Protection of mechanical hazards 15 5.1.1 Description of the safeguarding of access to moving parts 15 5.1.1.1 General . 15 5.1.1.2 Fixed enclosing guards 15 5.1.1.3 In

40、terlocking guards with or without guard locking . 15 5.1.1.4 ESPE using AOPD. 16 5.1.1.5 Laser actuated AOPD . 20 5.1.1.6 Hold to run control 22 5.1.1.7 Scanner systems. 22 5.1.1.8 ESPE using AOPD when used in automatic cycle as a trip device . 23 5.1.2 Location of the safeguarding of access to movi

41、ng parts. 24 5.1.2.1 Prevention of access from the front 24 5.1.2.2 Prevention of access from the sides 25 5.1.2.3 Prevention of access from the rear. 25 5.2 Control systems 26 5.2.1 General. 26 5.2.2 Manual control devices 26 5.2.3 Failure of power supply . 26 5.2.4 Protection against external infl

42、uences. 26 5.2.5 Safety functions 26 5.2.5.1 General . 26 5.2.5.2 Behaviour of the control system in case of failure 33 5.2.5.3 Stop or hold to stop closing stroke of the beam . 34 5.2.5.4 Stop back gauges 34 5.2.5.5 Back gauges movement limitation 34 5.2.5.6 Stop work-piece support movement. 35 5.2

43、.5.7 Slow speed. 35 5.2.5.8 Muting. 35 5.2.5.9 Blanking . 36 5.2.5.10 Emergency stop 36 5.2.5.11 Mode selection 36 5.2.5.12 Single stroke function 37 5.2.6 Other functions . 37 5.2.6.1 Start 37 5.2.6.2 Restart 37 5.2.6.3 Reset. 38 5.2.6.4 Normal stop . 38 5.2.7 Use of electronic components 38 5.2.7.

44、1 Access to the NC program . 38 5.2.7.2 Use of PES for safety functions. 38 5.3 Mode of operation. 39 5.3.1 Description of the various modes of operation. 39 5.3.2 Setting mode . 39 5.3.3 Production modes 39 5.3.3.1 Single cycle manual load and/or unload 39 EN 12622:2009+A1:2013 (E)2Contents PageFor

45、eword4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms, definitions and abbreviations9 3.1 Terms and definitions .9 3.2 Abbreviations 12 4 List of significant hazards . 12 5 Safety requirements and/or measures . 15 5.1 Protection of mechanical hazards 15 5.1.1 Description of the safeguard

46、ing of access to moving parts 15 5.1.1.1 General . 15 5.1.1.2 Fixed enclosing guards 15 5.1.1.3 Interlocking guards with or without guard locking . 15 5.1.1.4 ESPE using AOPD. 16 5.1.1.5 Laser actuated AOPD . 20 5.1.1.6 Hold to run control 22 5.1.1.7 Scanner systems. 22 5.1.1.8 ESPE using AOPD when

47、used in automatic cycle as a trip device . 23 5.1.2 Location of the safeguarding of access to moving parts. 24 5.1.2.1 Prevention of access from the front 24 5.1.2.2 Prevention of access from the sides 25 5.1.2.3 Prevention of access from the rear. 25 5.2 Control systems 26 5.2.1 General. 26 5.2.2 M

48、anual control devices 26 5.2.3 Failure of power supply . 26 5.2.4 Protection against external influences. 26 5.2.5 Safety functions 26 5.2.5.1 General . 26 5.2.5.2 Behaviour of the control system in case of failure 33 5.2.5.3 Stop or hold to stop closing stroke of the beam . 34 5.2.5.4 Stop back gau

49、ges 34 5.2.5.5 Back gauges movement limitation 34 5.2.5.6 Stop work-piece support movement. 35 5.2.5.7 Slow speed. 35 5.2.5.8 Muting. 35 5.2.5.9 Blanking . 36 5.2.5.10 Emergency stop 36 5.2.5.11 Mode selection 36 5.2.5.12 Single stroke function 37 5.2.6 Other functions . 37 5.2.6.1 Start 37 5.2.6.2 Restart 37 5.2.6.3 Reset. 38 5.2.6.4 Normal stop . 38 5.2.7 Use of electronic components 38 5.2.7.1 Access to the NC program . 38 5.2.7.2 Use of PES for safety functions. 38 5.3 Mode of operation. 39 5.3.1 Description of the various modes of operation. 39 5.3.2 Setting