EN 15949-2012 en Safety of machinery - Safety requirements for bar mills structural steel mills and wire rod mills《机械安全-安全要求酒吧米尔斯 结构性钢铁厂和线材》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationSafety of machinery Safety requirements for bar mills, structural steel mills and wire rod millsBS EN 15949:2012National forewordThis British Standard is the UK implementation of

2、 EN 15949:2012.The UK participation in its preparation was entrusted to Technical CommitteeMCE/23, Safety of metal producing mills.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provision

3、s of acontract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 67490 7ICS 25.120.20; 77.180Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was publish

4、ed under the authority of the StandardsPolicy and Strategy Committee on 31 March 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 15949:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15949 February 2012 ICS 25.120.20; 77.180 English Version Safety of

5、 machinery - Safety requirements for bar mills, structural steel mills and wire rod mills Scurit des machines - Exigences techniques de scurit pour machines de train barre, train profils et train filSicherheit von Maschinen - Sicherheitsanforderungen an Stab-, Formstahl- und Drahtwalzwerke This Euro

6、pean Standard was approved by CEN on 30 December 2011. CEN 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 without any alteration. Up-to-date lists and bibliographical references

7、concerning such national standards may be obtained on application to 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 membe

8、r into its own language and notified to the CEN-CENELEC Management Centre 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, France, Germany, Greece, Hungary, Iceland,

9、Ireland, Italy, Latvia, Lithuania, 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 NORMUNG Management Centre: Ave

10、nue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15949:2012: EBS EN 15949:2012EN 15949:2012 (E) 2 Contents Page Foreword 5Introduction .61 Scope 72 Normative References .83 Terms and definitions 1

11、14 List of significant hazards . 135 Safety requirements and/or measures . 135.1 General requirements for design, planning and risk assessment 135.1.1 General . 135.1.2 Planning of long product rolling mills 145.1.3 Structural assembly . 145.1.4 Safety layout 145.1.5 Access to working places 155.1.6

12、 Access to danger zones . 155.1.7 Guards . 185.1.8 Guard-rails . 185.1.9 Safety signs and warning devices 185.1.10 Safeguarding . 185.1.11 Personal protective equipment . 195.1.12 Electrical equipment . 195.1.13 Pneumatic and fluid systems 195.1.14 Software manipulation . 195.1.15 Material to be dis

13、charged to drains 195.1.16 Surface temperatures and heat radiation . 195.1.17 Pulpits and control stands . 195.1.18 Hold-to run control . 195.1.19 Mechanical restraint devices . 205.1.20 Fire protection . 205.1.21 Ergonomics . 205.1.22 Noise 215.1.23 Vibrations 235.1.24 Loss of energy 235.1.25 Produ

14、ct monitoring systems . 235.1.26 Linked Equipment . 235.2 List of significant hazards, hazardous situations, safety requirements and/or measures . 235.2.1 General . 245.2.2 Bridges and underpasses 255.2.3 High-pressure descaling units 255.2.4 Roller tables and conveyors 265.2.5 Rolling stands . 275.

15、2.6 Rolling blocks (wire rod mills and high speed bar mills) . 295.2.7 Cross transfers, collecting beds and tilting devices 295.2.8 Pulpits and control stands . 295.2.9 Measuring devices and display units . 315.2.10 Hot and cold saws, shears and abrasive cutting machines . 325.2.11 Cooling lines . 3

16、35.2.12 Cooling beds . 335.2.13 Straightening equipment . 345.2.14 Piling equipment . 355.2.15 Binding machines . 36BS EN 15949:2012EN 15949:2012 (E) 3 5.2.16 Marking machines . 365.2.17 Loading equipment/collecting tables 375.2.18 Preparation area for stands, rolls, guides, straightening rollers 37

17、5.2.19 Laying heads for wire rod mills 385.2.20 Collecting chambers for wire rod mills . 385.2.21 Cooling boxes for wire rod mills 385.2.22 Pinch rolls for wire rod mills 386 Verification of the safety requirements and/or measures . 387 Information for use 387.1 General 387.2 Warning devices and saf

18、ety signs . 397.3 Minimum marking 397.4 Accompanying documents . 397.4.1 Instruction handbook 397.4.2 Machine/equipment declaration . 397.4.3 Detailed information/instructions 407.5 Maintenance manual . 42Annex A (normative) Safety requirements and/or measures for control systems at long product rol

19、ling mills . 44A.1 General 44A.2 Special requirements for controls . 44A.3 Special requirements for shut-down equipment 44A.3.1 Stop functions/emergency stop functions 44A.3.2 Specific hazards at mechanical equipment 45A.3.3 Selection of stop functions. 45A.3.4 Emergency stop areas 45A.3.5 Stop func

20、tions for electrical equipment 46Annex B (normative) Fluid systems 48B.1 Significant hazards 48B.2 Safety requirements and/or measures 48B.2.1 General 48B.2.2 General design requirements . 48B.2.3 List of significant hazards, hazardous situations, safety requirements and/or measures 49Annex C (norma

21、tive) Noise test code . 53C.1 Introduction 53C.2 Determination of sound power level 53C.3 Determination of emission sound pressure levels 54C.3.1 Determination of the emission sound pressure level at specified measuring points 54C.3.2 Determination of emission sound pressure level at work stations 5

22、4C.4 Measurement uncertainty . 54C.5 Operating conditions . 54C.6 Information to be recorded and reported 55C.7 Declaration and verification of noise emission values 55Annex D (normative) Protection of persons in case of using asphyxiant gases used in fire fighting systems 57D.1 General 57D.2 Warnin

23、g devices 57D.3 Restraint devices . 58D.4 Preliminary warning time 58D.5 Interrupt device for extinguishing gas 59D.6 Blocking devices . 59D.7 Pipes . 59D.8 Rooms and adjacent areas . 59D.9 Escape routes 59D.10 Doors. 59D.11 Marking . 60D.12 Instruction handbook 60BS EN 15949:2012EN 15949:2012 (E) 4

24、 Annex E (informative) Example for manufacturers safety instructions for maintenance at long product rolling mills 61E.1 Precautions to reduce hazards caused by . 61E.1.1 Lack of instructions 61E.1.2 Visual or audible checks at machinery in motion . 61E.1.3 Unintentional movements during maintenance

25、 61E.1.4 Work during standstill with safeguards disabled 62E.1.5 Work with hazardous substances . 62Annex F (informative) Machines and/or equipment covered by this standard but not limited to 63F.1 Plants . 63F.2 Equipment . 63Annex G (informative) Example for modes of operation in relation to segre

26、gated areas of long product rolling mills 65Annex H (informative) Example for the risk analysis due to interfaces . 66Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC 67Bibliography . 68Figures Figure 1 Exemplary layout of a

27、 rail / section rolling mill . 7Figure 2 Exemplary layout of a bar / wire rod mill 8Figure G.1 Schematic diagram of modes of operation in relation to segregated areas 65Figure H.1 Diagram of a hypothetical plant indicating potentially hazardous interfaces .66Tables Table 1 Characteristic conditions

28、of operating modes .17Table 2 Main noise sources of long product rolling mills equipment and exemplary noise reduction measures 22Table 3 Significant hazards, hazardous situations, safety requirements and/or measures .24Table A.1 Stop functions 46Table B.1 List of significant hazards, hazardous situ

29、ations, safety requirements and/or measures .49Table C.1 Example of declared dual-number noise emission values for work stations and specified measuring points .56BS EN 15949:2012EN 15949:2012 (E) 5 Foreword This document (EN 15949:2012) has been prepared by Technical Committee CEN/TC 322 “Equipment

30、 for making and shaping of metals - Safety requirements”, the secretariat 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 August 2012, and conflicting national standards s

31、hall be withdrawn at the latest by August 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under

32、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. According to the CEN/CENELEC Internal Regula

33、tions, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt

34、a, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15949:2012EN 15949:2012 (E) 6 Introduction This document is a type C standard as stated in EN ISO 12100:2010. The equipment concerned and the extent to which hazard

35、s, hazardous situations and events are covered are indicated in the scope of this standard. When provisions of this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, f

36、or machines that have been designed and built according to the provisions of this type C standard. Where for clarity an example of a preventative measure is given in the text, this should not be considered as the only possible solution. Any other solution leading to the same risk reduction is permis

37、sible if an equivalent level of safety is achieved. This European Standard assumes that the equipment is operated and maintained by trained personnel. BS EN 15949:2012EN 15949:2012 (E) 7 1 Scope This European Standard defines the general safety requirements for hot rolling mills for long products as

38、 defined in 3.1. This European Standard deals with significant hazards, hazardous situations and events relevant to hot rolling mills for long products. It deals not only with circumstances where the machinery is used as intended, but also includes other conditions foreseen by the manufacturer, such

39、 as foreseeable faults, malfunctions or misuse (see Clauses 4 and 5). This applies also to hazards arising during various phases of the life of the machinery and equipment as described in 5.4 of EN ISO 12100:2010. This European standard applies to: Machinery and equipment used for the manufacturing

40、of metal rolled long products from the material supply from (1), via the rolling mill process equipment (2) to (9) including preparation area (10) (exemplary layout is given in Figure 1). Key 1 e.g., continuous casting machine (according to EN 14753) or furnace (according EN 746-1) 7 saws, shears, a

41、brasive cutting machines 8 piling machine 2 mill stands 9 binding and loading area 3 roller tables 10 preparation area 4 cooling beds 11 border of the rail / section rolling mill 5 straightening machines 6 collecting beds product flow Figure 1 Exemplary layout of a rail / section rolling mill BS EN

42、15949:2012EN 15949:2012 (E) 8 Key 1 e.g., continuous casting machine (according toEN 14753) or furnace (according EN 746-1) 8 cooling line 9 laying head 2 roughing mill area 10 loop cooling conveyor 3 intermediate mill area 11 coil station 4 cooling line 12 coil handling 5 shearing group 13 preparat

43、ion area 6 wire rod block 14 border of the bar / wire rod mill 7 snap shear product flow Figure 2 Exemplary layout of a bar / wire rod mill The following equipment is excluded: a) furnaces in accordance with the EN 746 series; b) continuous casting machines according to EN 14753; c) hook conveyors a

44、ccording to EN 619; d) roll and guide shop equipment (e. g., machine-tool); e) storage equipment (e.g., high-bay warehouses); f) cranes, fork lifts, trucks and railway trucks and other vehicles. This document is not applicable to rolling mills for long products, which are manufactured before the dat

45、e of its publication as an EN document. 2 Normative References The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the

46、referenced document (including any amendments) applies. EN 349, Safety of machinery Minimum gaps to avoid crushing of parts of the human body EN 614-1:2006+A1:2009, Safety of machinery Ergonomic design principles Part 1: Terminology and general principles EN 614-2, Safety of machinery Ergonomic desi

47、gn principles Part 2: Interactions between the design of machinery and work tasks BS EN 15949:2012EN 15949:2012 (E) 9 EN 626-1, Safety of machinery Reduction of risks to health from hazardous substances emitted by machinery Part 1: Principles and specifications for machinery manufacturers EN 842, Sa

48、fety of machinery Visual danger signals General requirements, design and testing EN 894-1, Safety of machinery Ergonomic requirements for the design of displays and control actuators Part 1: General principles for human interactions with displays and control actuators EN 894-2, Safety of machinery Ergonomics requirements for the design of displays and control actuators Part 2: Displays EN 894-3, Safety of machinery Ergonomics requirements for the design of displays and control actuators Part 3: Control actuators EN 953, Safety of machiner

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