1、BRITISH STANDARDBS EN 12012-1:2007Plastics and rubber machines Size reduction machines Part 1: Safety requirements for blade granulatorsICS 83.200g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3
2、g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58+A1:2008BS EN 12012-1:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2007 BSI 2009National forewordThis British Standard is the UK implementation of EN 12012-1:2007+A1:2008. It superse
3、des BS EN 12012-1:2007 which iswithdrawn.The UK participation in its preparation was entrusted by Technical Committee MCE/3, Safeguarding of machinery, to Subcommittee MCE/3/2, Rubber and plastics machine Safety.A list of organizations represented on this subcommittee can be obtained on request to i
4、ts secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/ corrigenda issued since publication+A1:2008The start an
5、d 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 . a bISBN 978 0 580 61055 4Date Comments 31 May 2009 Implementation of CEN am
6、endment A1:2008EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12012-1:2007+A1 September 2008 ICS 83.200 Supersedes EN 12012-1:2007 English Version Plastics and rubber machines - Size reduction machines - Part 1: Safety requirements for blade granulators Machines pour les matires plastiques et
7、le caoutchouc - Machines fragmenter - Partie 1: Prescriptions de scurit relatives aux granulateurs lames Kunststoff- und Gummimaschinen - Zerkleinerungsmaschinen - Teil 1: Sicherheitsanforderungen fr Schneidmhlen This European Standard was approved by CEN on 23 June 2006 and includes Amendment 1 app
8、roved by CEN on 8 June 2008. 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 concerning such national s
9、tandards may be obtained on application to the CEN 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 notifi
10、ed to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt
11、a, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exp
12、loitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12012-1:2007+A1:2008: EEN 12012-1:2007+A1:2008 (E) 2 Contents Page Foreword4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms and definitions .8 4 List of significant hazards 10 4.1 Mechanical h
13、azards.10 4.1.1 Cutting chamber 10 4.1.2 Feeding area.10 4.1.3 Discharge area .10 4.2 Hazards generated by noise .10 4.3 Hazards generated by the materials processed .10 4.4 Hazards resulting from loss of machine stability.11 4.5 Electrical hazards 11 5 Safety requirements and/or protective measures
14、11 5.1 General11 5.2 Mechanical hazards.11 5.2.1 Cutting chamber 11 5.2.2 Feeding area.12 5.3 Hazards generated by noise .13 5.3.1 Noise reduction at source by design.13 5.3.2 Main sources of noise and noise reduction measures13 5.3.3 Measurement and declaration of noise emissions 13 5.4 Hazards gen
15、erated by the material processed .14 5.5 Hazards resulting from loss of machine stability.14 5.6 Hazards due to electrical energy14 5.6.1 General14 5.6.2 Supply disconnecting (isolating) device.14 5.6.3 Unexpected start-up 14 5.6.4 Protection against direct contact.14 5.6.5 Protection against indire
16、ct contact14 5.6.6 Emergency stop.15 5.6.7 Devices for emergency stop.15 5.6.8 Testing and verification 15 6 Verification of the safety requirements and/or protective measures.15 7 Information for use 17 7.1 Instruction manual.17 7.2 Marking .18 Annex A (normative) Noise test code .19 A.1 Introducti
17、on19 A.2 Scope 19 A.3 Determination of sound power levels19 A.3.1 Basic standards .19 A.3.2 Measurement uncertainty .20 A.4 Determination of emission sound pressure level 20 A.4.1 Basic standards .20 A.4.2 Measurement uncertainty .20 BS EN 12012-1:2007+A1:2008EN 12012-1:2007+A1:2008 (E) 3 A.5 Instal
18、lation and mounting conditions for noise measurement 20 A.6 Operating conditions 20 A.7 Measurement uncertainty.21 A.8 Information to be recorded.22 A.8.1 General .22 A.8.2 General data.22 A.8.3 Technical machine data22 A.8.4 Standards .22 A.8.5 Mounting and operating conditions 22 A.8.6 Samples and
19、 material data .22 A.9 Declaration and verification of noise emission values .23 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC24 Annex ZB (informative) !Relationship between this European Standard and the Essential Requirem
20、ents of EU Directive 2006/42/EC“25 Bibliography26 BS EN 12012-1:2007+A1:2008EN 12012-1:2007+A1:2008 (E) 4 Foreword This document (EN 12012-1:2007+A1:2008) has been prepared by Technical Committee CEN/TC 145 “Plastics and rubber machines”, the secretariat of which is held by UNI. This European Standa
21、rd shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2009, and conflicting national standards shall be withdrawn at the latest by December 2009. This document includes Amendment 1, approved by CEN on 2008-06-08. The
22、 main changes compared to the previous version are: addition of Annex ZB minor changes of Foreword, sub-clause 7.2, second and third indents, Annex A, A.9, third indent. This document supersedes !EN 12012-1:2007.“ The start and finish of text introduced or altered by amendment is indicated in the te
23、xt by tags ! “ This document 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 Annexes ZA and ZB, which are integral parts
24、of this document.“ This is the first in a series of documents on the safety of size reduction machines. Part 2 deals with strand pelletisers. Part 3 deals with shredders. Part 4 deals with agglomerators. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the f
25、ollowing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
26、Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 12012-1:2007+A1:2008EN 12012-1:2007+A1:2008 (E) 5 Introduction This document is a type C standard as stated in EN ISO 12100. The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicat
27、ed in the scope of this document. 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, for machines that have been designed and built according to
28、 the provisions of this type C standard. BS EN 12012-1:2007+A1:2008EN 12012-1:2007+A1:2008 (E) 6 1 Scope This document specifies the essential safety requirements applicable to the design and construction of blade granulators used to reduce objects and materials made from plastics and rubber into gr
29、anules. The machine begins with the outer edge of the feed opening, or feeding device if it is an integral part of the machine, and ends with the discharge area. Only the significant hazards listed in clause 4 and dealt with in clause 5 are subject to this document. This document does not deal with
30、hazards caused by processing harmful materials. This document is not applicable to machines which are manufactured before the date of its publication as an EN. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only
31、 the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 294:1992, Safety of machinery Safety distance to prevent danger zones being reached by the upper limbs. EN 574:1996, Safety of machinery Two-hand control devices F
32、unctional aspects Principles for design. EN 953:1997, Safety of machinery Guards General requirements for the design and construction of fixed and movable guards. EN 954-1:1996, Safety of Machinery - Safety related parts of control systems - Part 1: General principles for design. EN 999:1998, Safety
33、 of machinery The positioning of protective equipment in respect of approach speeds of parts of the human body. EN 1037:1995, Safety of machinery Prevention of unexpected start-up. EN 1088:1995, Safety of machinery Interlocking devices associated with guards Principles for design and selection. EN 6
34、0204-1:2006, Safety of machinery Electrical equipment of machines Part 1: General requirements (IEC 60204-1:2005 modified). EN 60529: 1991, Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989). EN ISO 3741:1999, Acoustics Determination of sound power levels of noise sources using
35、sound pressure Precision methods for reverberation rooms (ISO 3741:1999). EN ISO 3743-1:1995, Acoustics Determination of sound power levels of noise sources Engineering methods for small, movable sources in reverberant fields Part 1: Comparison method for hard-walled test rooms (ISO 3743-1:1994). EN
36、 ISO 3743-2:1996, Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms (ISO 3743-2: 1994). BS EN 12012-1:2007+A1:2008EN 12012-1:2007+A1:2008 (E) 7
37、EN ISO 3744:1995, Acoustics Determination of sound power levels of noise sources using sound pressure Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994). EN ISO 3745:2003, Acoustics Determination of sound power levels of noise sources using sound pressure Precisi
38、on methods for anechoic and semi-anechoic rooms (ISO 3745:2003). EN ISO 3746:1995, Acoustics Determination of sound power levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995). EN ISO 3747:2000, Acoustics Determinat
39、ion of sound power levels of noise sources using sound pressure Comparison method for use in situ (ISO 3747:2000). EN ISO 4871:1996, Acoustics Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996). EN ISO 9614-1:1995, Acoustics Determination of sound power
40、levels of noise sources using sound intensity Part 1: Measurement at discrete points (ISO 9614-1:1993). EN ISO 9614-2:1996, Acoustics Determination of sound power levels of noise sources using sound intensity Part 2: Measurement by scanning (ISO 9614-2:1996). EN ISO 11201:1995, Acoustics Noise emitt
41、ed by machinery and equipment Measurement of emission sound pressure levels at a work station and at other specified positions Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995). EN ISO 11202:1995, Acoustics Noise emitted by machinery and equipment Measurement o
42、f emission sound pressure levels at a work station and at other specified positions Survey method in situ (ISO 11202:1995). EN ISO 11203:1995, Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions from th
43、e sound power level (ISO 12203:1995). EN ISO 11204:1995, Acoustics Noise emitted by machinery and equipment Measurement of emission sound pressure levels at a work station and at other specified positions Method requiring environmental corrections (ISO 11204:1995). EN ISO 11688-1:1998, Acoustics Rec
44、ommended practice for the design of low-noise machinery and equipment Part 1: Planning (ISO/TR 11688-1:1995). EN ISO 12100-1:2003, Safety of machinery Basic concepts, general principles for design Part 1: Basic terminology, methodology (ISO 12100-1:2003). EN ISO 12100-2:2003, Safety of machinery Bas
45、ic concepts, general principles for design Part 2: Technical principles (ISO 12100-2:2003). EN ISO 13850:2006, Safety of machinery Emergency stop Principles for design (ISO 13850:2006) BS EN 12012-1:2007+A1:2008EN 12012-1:2007+A1:2008 (E) 8 3 Terms and definitions For the purposes of this document t
46、he terms and definitions given in EN 12100-1:2003 and the following apply. 3.1 blade granulator machine which cuts material within the cutting chamber until the size has been so reduced that the product is allowed into the discharge area through suitably sized screen plate holes 3.2 cutting chamber
47、part of the machine where cutting/reduction takes place 3.3 rotor cutting device to which blades are fixed inside the cutting chamber 3.4 stationary cutting blade(s) single or multiple blades fixed inside the cutting chamber 3.5 feeding area area of the machine where the feeding of material takes pl
48、ace 3.6 feeding device part of the machine used for feeding the material into the cutting chamber. The feeding device can be fixed, for example a hopper or similar device or movable, for example rollers, screw, conveyor belt or pneumatic transport device 3.7 rotor restraint device that prevents manu
49、al rotation of the rotor or rotation due to inertia once the granulator has come to a stop and the chamber is open 3.8 discharge area area where the granulate or finished product leaves the cutting chamber 3.9 screen plate perforated screen fitted at the discharge side of the cutting chamber to allow the passage of granulate or finished product of suitable size into the discharge area 3.10 working level surface on which the person who feeds the machine stands
