Safety of machinerie - Safety requirements for the design and construction of paper making and finishing machines - Part 22: Wood Grinders

This European Standard applies to wood grinders intended for the production of pulp used in paper making
including sharpening devices and shall be used together with EN 1034-1:2000. It deals with all significant
hazards, hazardous situations and hazard events relevant to wood grinders when used as intended and under
the conditions foreseen by the manufacturer (see clause 4). This standard does not apply to loading facilities.
Hazards caused by overpressure are not covered by this standard.
Note: For hazards caused by overpressure, see the directive for pressure vessels.
This European Standard is not applicable to wood grinders manufactured before the date of publication of this
European Standard by CEN.

Sicherheit von Maschinen - Sicherheitstechnische Anforderungen an Konstruktion und Bau von Maschinen der Papierherstellung und Ausrüstung - Teil 22: Holzschleifer

Diese Europäische Norm gilt für Holzschleifer, die zur Erzeugung von Holzstoff für die Papierherstellung bestimmt sind, einschließlich der Schärfeinrichtung und ist gemeinsam mit EN 1034-1:2000 anzuwenden. Sie behandelt alle signifikanten Gefährdungen, Gefährdungssituationen und Gefährdungsereignisse, die auf Holzschleifer zutreffen, wenn sie bestimmungsgemäß und entsprechend den vorhersehbaren Bedingungen des Herstellers verwendet werden (siehe Abschnitt 4). Ausgenommen vom Anwendungsbereich ist die Beschickungseinrichtung. Nicht behandelt werden Gefährdungen durch Überdruck.
Anmerkung      Für Gefährdungen durch Überdruck siehe die Richtlinie über Druckgeräte.
Diese Europäische Norm gilt nicht für Holzschleifer, die hergestellt wurden, bevor CEN diese Europäische Norm veröffentlichte.

Sécurité des machines - Prescriptions de sécurité pour la conception et la construction de machines de fabrication et de finition du papier - Partie 22 : Défibreurs

La présente norme européenne s�applique aux défibreurs destinés à obtenir de la pâte de bois dans la
fabrication du papier, y compris le dispositif d'affûtage, et doit être utilisée conjointement avec
l'EN 1034-1:2000. Elle traite tous les phénomènes dangereux significatifs, les situations dangereuses et les
évènements dangereux qui s'appliquent aux défibreurs lorsqu'ils sont utilisés dans des conditions normales et
conformément aux conditions prévisibles du fabricant (voir Article 4). La présente norme ne s'applique pas au
dispositif d'alimentation et ne traite pas non plus des phénomènes dangereux engendrés par la surpression.
NOTE Pour les phénomènes dangereux engendrés par la surpression, voir la directive relative aux appareils à
pression.
La présente norme européenne ne s'applique pas aux défibreurs qui ont été fabriqués avant sa publication
par le CEN.

Varnost strojev – Varnostne zahteve za načrtovanje in konstrukcijo strojev in opreme za izdelavo papirja – 22. del: Brusilniki za les

General Information

Status
Withdrawn
Publication Date
31-May-2005
Withdrawal Date
01-Dec-2009
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
02-Dec-2009
Completion Date
02-Dec-2009

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheit von Maschinen - Sicherheitstechnische Anforderungen an Konstruktion und Bau von Maschinen der Papierherstellung und Ausrüstung - Teil 22: HolzschleiferSécurité des machines - Prescriptions de sécurité pour la conception et la construction de machines de fabrication et de finition du papier - Partie 22 : DéfibreursSafety of machinerie - Safety requirements for the design and construction of paper making and finishing machines - Part 22: Wood Grinders85.100Oprema za papirno industrijoEquipment for the paper industry21.020Characteristics and design of machines, apparatus, equipment13.110Varnost strojevSafety of machineryICS:Ta slovenski standard je istoveten z:EN 1034-22:2005SIST EN 1034-22:2005en01-november-2005SIST EN 1034-22:2005SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1034-22June 2005ICS 85.100English versionSafety of machinerie - Safety requirements for the design andconstruction of paper making and finishing machines - Part 22:Wood GrindersSécurité des machines - Prescriptions de sécurité pour laconception et la construction de machines de fabrication etde finition du papier - Partie 22 : DéfibreursSicherheit von Maschinen - SicherheitstechnischeAnforderungen an Konstruktion und Bau von Maschinender Papierherstellung und Ausrüstung - Teil 22:HolzschleiferThis European Standard was approved by CEN on 21 April 2005.CEN members 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 the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1034-22:2005: ESIST EN 1034-22:2005

Contents Page Foreword.3 Introduction.4 1 Scope.4 2 Normative references.4 3 Terms and definitions.5 4 List of significant hazards.7 5 Safety requirements and/or measures.8 5.1 General.8 5.2 Feeding devices.8 5.3 Power transmission elements.9 5.4 Gate valves.9 5.5 Inspection holes, manholes.9 5.6 Risk of burning.9 5.7 Safety measures against bursting.9 5.8 Sharpening device.9 5.9 Workplaces, access stairs, catwalks, passageways.9 5.10 Start-up warning device.10 5.11 Emergency stop device.10 5.12 Isolation and energy dissipation, prevention of unexpected start-up.10 5.13 Equipment and measures for make-ready and repair.10 5.14 Safety measures for cleaning and trouble shooting.10 5.15 Control systems and actuators.11 5.16 Noise.11 5.17 Integrated lighting.11 5.18 Ergonomic principles.11 5.19 Electrical equipment.11 5.20 Hydraulic equipment.11 5.21 High-pressure cleaning devices.11 6 Verification of safety requirements and/or measures.12 7 Information of use.12 Annex ZA (informative)
Relationship between this
European
Standard and the Essential Requirements
of EU Directive 98/37/EC.13 Bibliography.14
Foreword This European Standard (EN 1034-22:2005) has been prepared by Technical Committee CEN/TC 198 “Printing and paper machines - Safety”, 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 December 3005, and conflicting national standards shall be withdrawn at the latest by December 2005. 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 with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 1034-22:2005

Introduction This European Standard is a C type standard as stated in EN ISO 12100-1.
The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this European Standard. For machines that have been designed and built according to the provisions of this C standard, the following stipulation applies: When provisions of this type C standard are different from those which are stated in type A or B standards or from provisions made in EN 1034-1:2000, the provisions of this type C standard take precedence over the provisions of the other standards. 1 Scope This European Standard applies to wood grinders intended for the production of pulp used in paper making including sharpening devices and shall be used together with EN 1034-1:2000. It deals with all significant hazards, hazardous situations and hazard events relevant to wood grinders when used as intended and under the conditions foreseen by the manufacturer (see clause 4). This standard does not apply to loading facilities. Hazards caused by overpressure are not covered by this standard. Note: For hazards caused by overpressure, see the directive for pressure vessels. This European Standard is not applicable to wood grinders manufactured before the date of publication of this European Standard by CEN. 2 Normative references The following referenced documents are indispensable for the application of this European Standard.
For dated references, only 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 distances to prevent danger zones being reached by the upper limbs EN 418:1992. Safety of machinery — Emergency stop equipment — Functional aspects EN 563:1994, Safety of machinery — Temperatures of touchable surfaces — Ergonomics data to establish temperature limit values for hot surfaces EN 547-2:1996, Safety of machinery — Human body measurements — Part 2:
Principles for determining the dimensions required for access openings 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 982:1996, Safety requirements for fluid power systems and their components — Hydraulics SIST EN 1034-22:2005

EN 1034-1:2000, Safety of machinery — Safety requirements for the design and construction of paper making and finishing machines — Part 1: Common requirements EN 1050:1996, Safety of machinery — Principles for risk assessment EN 1837:1995, Safety of machinery — Integral lighting of machines EN 13023:2003, Noise measurement methods for printing, paper converting, paper making machines and auxiliary equipment — Accuracy categories 2 and 3 EN 60204-1:1997, Safety of machinery — Electrical equipment of machines — Part 1: General requirements
(IEC 60204-1:1997) EN 60204-11:2000, Safety of machinery — Electrical equipment of machines — Part 11: High voltage equipment for voltages above 1000 V AC or 1500 V DC up to 36 kV (IEC 60204-11:2000) EN 60529:1992, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989). EN 61000-6-2:2001, Electromagnetic compatibility (EMC) — Part 6-2: Generic standards; immunity for industrial environment (IEC 61000-6-2:1999, modified) EN ISO 11957:1996, Acoustics — Determination of sound insulation performance of cabins — Laboratory and in situ measurements (ISO 11957:1996) 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 — Basic concepts, general principles for design — Part 2: Technical principles (ISO 12100-2:2003). EN ISO 14122:2001 (all parts), Safety of machinery — Permanent means of access to machines and industrial plants 3 Terms and definitions For the purposes of this European Standard, the definitions given in EN 1034-1:2000, EN ISO 12100-1:2003 and the following definitions apply: 3.1
wood pulp suspension of wood-base fibre in water 3.2 wood grinder
machine for the production of wood pulp with a grinding body (grinding stone) driven by motor or hydraulic power against which debarked logs are pressed. Wood fibre is ground off with the addition of water and discharged as wood pulp 3.3
hydraulic press grinder wood grinder equipped with hydraulic press shoes to press the wood stored in several chambers against the grinding body. A hydraulic press grinder with two chambers is illustrated in Figure 1 3.4
pressure grinder hydraulic press grinder where the grinding chamber is enclosed for grinding under vapour pressure SIST EN 1034-22:2005

3.5
continuous grinder wood grinder with continuous feeding of wood, for example by means of chains or by gravity. A continuous grinder is illustrated in Figure 2
Key 1 Grinding stone
Gate valve 2 Sharpening device
5 Finger plate 3 Press shoe
6 Feeding hopper
NOTE: Safety devices are not shown. Figure 1 — Hydraulic pressure grinder (example)
Key 1 Continuous feeder
Grinding stone 2 Feeding chain
5 Trough 3 Feeding hopper
NOTE: Safety devices are not shown. Figure 2 — Continuous wood grinder (example) 4 List of significant hazards Table 1 of this clause contains all the significant hazards, as far as they are dealt with in this European Standard, which are identified by risk assessment in accordance with EN 1050 as significant for this type of machinery and which require action to eliminate or reduce the risk. When carrying out the risk assessment the machine designer will have to check whether the list of hazards in Table 1 is complete and applicable with respect to the particular machine.
Crushing hazard 5.4.1 5.1; 5.3 Drawing-in or trapping hazard 5.2; 5.8.2 5.1; 5.4 High-pressure fluid ejection hazard 5.20; 5.21 5.24 Slip, trip and fall hazards 5.9; 5.14.2; 5.14.3 5.5 Inadequate mechanical stability 5.7
Accumulation of energy inside the machine
5.5.1
Falling down of objects 5.2.2
Electrical hazards, f
...

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