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STANDARD
SIST EN 12044:2005+A1:2009
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12044:2005+A1
August 2009 ICS 59.140.40; 61.060 Supersedes EN 12044:2005English Version
Footwear, leather and imitation leather goods manufacturing machines - Cutting and punching machines - Safety requirements
Machines de fabrication de chaussures et d'articles en cuir et en matériaux similaires - Machines de coupe et de poinçonnage - Prescriptions de sécurité
Maschinen zur Herstellung von Schuhen, Leder- und Kunstlederwaren - Stanzmaschinen - Sicherheitsanforderungen This European Standard was approved by CEN on 17 June 2005 and includes Corrigendum 1 issued by CEN on 13 December 2006 and Amendment 1 approved by CEN on 16 July 2009.
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 standards 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 notified 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, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12044:2005+A1:2009: ESIST EN 12044:2005+A1:2009
EN 12044:2005+A1:2009 (E) 2 Contents Page Foreword .3 1 Scope .5 2 Normative references .6 3 Terms and definitions .7 4 List of significant hazards .9 5 Safety requirements and/or measures . 26 5.1 General . 26 5.2 Common requirements for all cutting and punching machines . 26 5.2.1 Mechanical Equipment . 26 5.2.2 Electrical equipment . 27 5.2.3 Noise reduction . 27 5.2.4 High pressure fluid . 28 5.2.5 Control systems . 28 5.2.6 Emergency stop equipment . 29 5.2.7 Ergonomics . 30 5.2.8 Danger signals . 30 5.3 Requirements for specific machines . 30 5.3.1 Manual swing arm cutting press . 30 5.3.2 Powered swing arm cutting press . 31 5.3.3 Travelling head cutting press . 31 5.3.4 Beam cutting press. 34 5.3.5 Beam cutting press with receding head . 36 5.3.6 Beam cutting press with manual tray feeder . 37 5.3.7 Beam cutting press with articulated die carrier not attached to the beam. 38 5.3.8 Punching and perforating cutting press with manual or powered tray feeder . 38 5.3.9 C-Frame cutting press . 39 5.3.10 Automatic Press. 39 6 Verification of the safety requirements and/or measures . 40 7 Information for use . 48 7.1 Instructions for use - Instruction Handbook . 48 7.2 Information concerning airborne noise and vibration emissions . 49 7.2.1 Noise . 49 7.2.2 Vibrations (for hand guided machines only) . 49 7.3 Marking . 50 Annex A (normative)
Interlocking devices associated with guards . 51 Annex B (normative)
Hold-to-run control devices . 55 Annex C (normative)
Mechanical trip device with one position sensor . 56 Annex D (normative)
Well tried components and principles: category 1 of EN 954-1:1996 . 57 Annex E (normative)
Verification of one hand control up to a maximum stroke of 8 mm . 58 Annex F (normative)
Noise Test Code . 59 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC . 66 Bibliography . 68 SIST EN 12044:2005+A1:2009
EN 12044:2005+A1:2009 (E) 3 Foreword This document (EN 12044:2005+A1:2009) has been prepared by Technical Committee CEN/TC 201 “Leather and imitation leather goods and footwear manufacturing machinery - Safety”, the secretariat of which is held by UNI. 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 February 2010, and conflicting national standards shall be withdrawn at the latest by February 2010. 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 supersedes EN 12044:2005. This document includes Amendment 1, approved by CEN on 2009-07-16 and includes Corrigendum 1 issued by CEN on 2006-12-13. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! ". The modifications of the related CEN Corrigendum have been implemented at the appropriate places in the text and are indicated by the tags ˜ ™. 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 Annexes ZA and ZB, which are integral parts 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, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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EN 12044:2005+A1:2009 (E) 4 0 Introduction This European Standard is a type C 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. 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 the provisions of this type C standard. This European Standard contains safety requirements for cutting and punching machines. It is aimed at designers, manufacturers, suppliers and importers. SIST EN 12044:2005+A1:2009
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1 Scope 1.1 This European Standard specifies safety requirements for !the" design and operation of the machines defined in 1.2. It takes account of intended use, foreseeable misuse !and" component and system failure. 1.2 This European Standard applies for cutting and punching machines used in the manufacture of footwear, leather and imitation leather goods and other related components. This European Standard applies to the following cutting and punching machines: swing arm cutting presses with manual or powered swing arm; manual and automatic travelling head cutting presses with powered travelling head; manual and automatic beam cutting presses; punching and perforating presses; C-frame cutting presses. 1.3 This European Standard is not applicable to:
mechanical presses; presses intended for working cold metal; fastening, riveting, stitching, stapling, bending or folding machines; guillotines, shears and similar machines; shoe and leather presses as described in EN 12203. 1.4 This European Standard deals with all significant hazards, hazardous situations and events relevant to the footwear, leather and imitation leather goods manufacturing machinery !defined in 1.2", when it is used as intended and under the conditions foreseen by the manufacturer (see Clause 4) and is intended for operation in applications by trained persons. 1.5 This European Standard deals with material feeding and handling devices, when attached to the machine. 1.6 This European Standard is not applicable to !deleted text" machines which are manufactured before the date of publication of this European Standard by CEN. SIST EN 12044:2005+A1:2009
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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 distance to prevent danger zones being reached by the upper limbs !EN 349", Safety of machinery – Minimum gaps to avoid crushing of parts of the human body !deleted text" !EN 547-1", Safety of machinery – Human body measurements – Part 1: Principles for determining the dimensions required for openings for whole body access into machinery !EN 547-2", Safety of machinery – Human body measurements – Part 2: Principles for determining the dimensions required for access openings EN 574:1996, Safety of machinery – Two-hand controls devices – Functional aspects – Principles for design !EN 894-1", Safety of machinery – Ergonomics 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 953:1997, Safety of machinery – Guards – General requirements for the design and construction of fixed and movable guards !deleted text" EN 981:1996, Safety of machinery – System of auditory and visual danger and information signals EN 982:1996, Safety of machinery – Safety requirements for fluid power systems and their components – Hydraulics EN 983:1996, Safety of machinery – Safety requirements for fluid power systems and their components – Pneumatics !EN 999", Safety of machinery – The positioning of protective equipment in respect of approach speeds of parts of the human body !EN 1005-3", Safety of machinery – Human physical performance – Part 3: Recommended force limits for machinery operation EN 1088:1995, Safety of machinery – Interlocking devices associated with guards – Principles for design and selection !EN 1837" Safety of machinery – Integral lighting of machines !EN ISO 11688-1", Acoustics – Recommended practice for the design of low-noise machinery and equipment – Part 1: Planning (ISO/TR 11688-1:1995) SIST EN 12044:2005+A1:2009
EN 12044:2005+A1:2009 (E) 7 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 13849-1:2008, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design (ISO 13849-1:2006)" !EN ISO 13850:2008, Safety of machinery – Emergency stop – Principles for design (ISO 13850:2006)" EN 12545:2000, Footwear, leather and imitation leather goods manufacturing machines – Noise test code – Common requirements
!EN ISO 14122-2", Safety of machinery – Permanent means of access to machinery – Part 2: Working platforms and walkways (ISO 14122-2:2001) !EN 60204-1:2006", 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 60947-4-1, Low-voltage switchgear and controlgear – Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters (IEC 60947-4-1:2000) EN 60947-5-1, Low-voltage switchgear and controlgear – Part 5-1: Control circuit devices and switching elements - Electro-mechanical control circuit devices (IEC 60947-5-1:2003) EN 61496-1:2004, Safety of machinery – Electro-sensitive protective equipment – Part 1: General requirements and tests (IEC 61496-1:2004, modified) !CLC/TS 61496-2:2006, Safety of machinery – Electro-sensitive protective equipment – Particular requirements for equipment using active optoelectronic protective devices (AOPDs) (IEC 61496-2:2006)" 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN ISO 12100-1:2003 apply. Additional definitions specifically needed for this European Standard are added below. 3.1 automatic cutting press machine where the tool repeats continuously or intermittently all functions without manual intervention between each cycle (see also Figures 11 and 12) 3.2 beam cutting press machine in which the striking surface is attached to the beam which moves vertically and is supported at either end (see also Figure 5) NOTE In this type of machine the striking surface and the cutting surface are of approximately equal surface area. 3.3 beam cutting press with articulated die carrier not attached to the beam beam cutting press equipped with an all-round movable cutting die support arm as well as a pivoted die support with centering and clamping device for chucking single cavity cutting dies (see also Figure 8) SIST EN 12044:2005+A1:2009
EN 12044:2005+A1:2009 (E) 8 3.4 beam cutting press with receding head beam cutting press where the beam at the top of its stroke is also capable of horizontal movement in order to clear the cutting surface (see also Figure 6) 3.5 c-frame cutting press machine having a striking surface and a cutting surface contained within a 'C' frame, which is capable of vertical powered movement only (see also Figure 10) 3.6 cutting pad machine part which provides the surface on which cutting takes place 3.7 cutting press machine designed to transmit energy to a cutting tool for the purpose of cutting or punching material. When the machine can execute a cycle of consecutive cuts without the need for additional operator commands, it
is defined as an "automatic cutting press" 3.8 cutting surface total area available against which the tool can act when cutting 3.9 cutting tool tool consisting of a blade or a die with one or two edges pre-shaped or a punch through which the press transmits energy for cutting 3.10 feed system equipment which can be part of a machine and which mechanically assists the presentation of material to be cut at the press working area (see 3.13). This can include: tray feeder (a powered or manually operated table used as a cutting surface in a beam or punching press) See 3.22; power driven feed rollers - usually on the feed side; reciprocating clamping arrangements, for example: the gripper system. 3.11
material support area flat surface outside the cutting area where the material is supported to be visually inspected to let the operator optimise the cut position 3.12 press head part of the machine carrying the striking element, or moving directly vertically during the cutting, carrying the striking surface 3.13 press working area zone of a machine between the striking surface and material supporting area, including the cutting tool, where the cutting and punching operations take place 3.14 punching and perforating press machine in which the striking surface, supported under a stationary cutting surface by a ring frame, is capable of vertical powered movement only (see also Figure 9) SIST EN 12044:2005+A1:2009
EN 12044:2005+A1:2009 (E) 9 NOTE The striking surface and the cutting surface are of approximately equal surface area. 3.15 recurring access access between striking plate and cutting pad between each normal working cycle 3.16 striking element part of the press head in motion during cutting or punching 3.17 striking element return return of the striking element to its rest position 3.18 striking surface part of the press head in contact with the tool during cutting 3.19 swing arm cutting press machine having a stationary lower cutting surface corresponding to the total available working area and an arm, containing the moving striking surface, able to swing in an arc horizontally over the cutting surface
This includes two possible versions, namely:
manual swing arm (see also Figure 2); powered swing arm (see also Figure 3). 3.20 travelling head cutting press machine having a stationary lower cutting surface corresponding to the total available working area and a smaller upper striking surface, mounted on a movable head, able to move horizontally across the cutting table (see also Figure 4) 3.21 tray feeder movable table used as a cutting surface in a beam or punching press (see also Figure 7) 3.22 working cycle all the machine movements needed to make a single cut or punch 4 List of significant hazards 4.1 This clause contains all the significant hazards, hazardous situations and events, as far as they are dealt with in this European Standard, identified by risk assessment as significant for this type of machinery and which require action to eliminate or reduce the risk. The significant hazards of cutting and punching machines are outlined in 4.3 to 4.8. 4.2 The danger zones that may lead to mechanical hazards are illustrated in Figures 2 to 13. The lay-out of the machine is informative only. The list of significant hazards is based upon !EN ISO 14121-1". Before using this European Standard it is important to carry out a risk assessment of ˜cutting and punching machines™ to check that its significant hazards are identified in this clause. SIST EN 12044:2005+A1:2009
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Table 1 — List of significant hazards
Danger zone Source of hazard Type of hazard Machine with hazard; see Figure 4.3
Mechanical hazards 4.3.1 The zone between striking and cutting surface (marked T in figures) The closing stroke of the striking surface onto the cutting surface Crushing
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 4.3.2
The zone of press head movements (marked S1 in figures) and the clearance between head and side frame (marked S2 in figures) The moving press head Impact 3, 4, 6, 11, 12 Drawing-in and trapping 3, 4 Crushing 3, 4, 11, 12 Abrasion 2, 3, 4 4.3.3
The zone of press head movement (marked S1 in figures) The falling die Impact 6 4.3.4
The zone between striking surface or cutting surface and tool (marked L in figures) The closing movement of: - the striking surface onto the tool or - the tool onto the cutting surface Cutting or severing 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 Crushing 2, 3, 4, 5, 6, 7, 9, 10 Shearing 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 4.3.5
The drawing-in zone for rotating and pinching parts Transmission machinery and feeding systems Entanglement Drawing-in and
trapping Crushing 4, 5, 6, 9, 11, 12, 13 4.4 Electrical hazard
Electrical contact, direct or indirect caused by: Electric shock, burns
- Component failure
- Insulation failure
- Incorrect design, installation or component specification of electrical equipment 4.5 Noise
Noise generated by:
- action of the tool on the material or component being worked
Hearing loss, interference with speech communication and acoustic signals, physiological disorders
- hydraulic unit
- pneumatic exhausts - press head movements
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EN 12044:2005+A1:2009 (E) 11 Table 1 — List of significant hazards (continued)
Danger zone Source of hazard Type of hazard Machine with hazard; see Figure 4.6 Functional disorder
Fault in energy supply (irregularity, failure, unexpected reconnection) Hazards generated by inadvertent movement and/or process start up
Failure of control system (malfunction of safety devices and machine controls) All possible hazards generated by unexpected dangerous movement (unexpected start or closing movement)
Errors of fitting
Unexpected dangerous movement
4.7 High pressure fluid
High pressure fluid ejection or ejection of a burst component part due to failure of hydraulic unit (broken hoses, fittings and tubes) Burns and injury from hot oil or tubing in pressure
4.8 Neglecting ergonomic principles
Excessive efforts during loading/unloading
Musculo-skeletal injury/repetitive strain injury
Incompatibility of machine design (in the working area) with human anatomy Musculo-skeletal injury/repetitive strain injury
Bad working posture Fatigue
Poor control, lay-out and graphics Fatigue (psychological stress)
Poor lighting Fatigue of eyes
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Key 1 control unit 2 swing arm 3 cutting surface 4 striking surface Figure 1 — Swing arm cutting press
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Key a) TOP VIEW b) SIDE VIEW 1 cutting surface 2 swing arm 3 striking surface 4 control device 5 tool zone L zone S1 zone T Figure 2 — Danger zones for manual arm cutting press
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Key a) TOP VIEW b) SIDE VIEW 1 cutting surface 2 powered swing arm 3 striking surface 4 control device 5 tool 6 reference point A 7 reference point B 8 electrosensitive protective device zone L zone S1 S2 zone T Figure 3 — Danger zones for powered swing arm cutting press
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Key a) FRONT VIEW b) SIDE VIEW 1 cutting surface 2 press head 3 striking surface 4 control device 5 tool 6 electrosensitive protective device 7 feeding system zone L zone S1 S2 zone T Figure 4 — Danger zone for travelling head cutting press
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Key a) SIDE VIEW b) FRONT VIEW 1 cutting surface 2 press head (beam) 3 striking surface 4 control device 5 tool 6 electrosensitive protective device 7 feeding system zone L zone T Figure 5 — Danger zone for normal beam cutting press
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˜
™ Key a) SIDE VIEW b) FRONT VIEW 1 cutting surface 2 press head (receding beam) 3 striking surface 4 control device 5 tool 6 electrosensitive protective device zone L zone S1 zone S2 zone T Figure 6 — Danger zone for receding beam cutting press
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˜
™ Key a) SIDE VIEW b) FRONT VIEW 1 cutting surface 2 press head (beam) 3 striking surface 4 control device 5 tool 6 tray feeder 7 electrosensitive protective device zone L zone S1 S2 zone T Figure 7 — Danger zone for beam cutting press with manual tray feeder
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Key a) SIDE VIEW b) TOP VIEW 1 cutting surface 2 press head (beam) 3 striking surface 4 control device 5 tool 6 articulated die carrier 7 electrosensitive protective device zone L zone T Figure 8 — Danger zone for beam cutting press with articulated die carrier
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Key a) FRONT VIEW b) SIDE VIEW 1 cutting surface 2 tray feeder 3 striking surface 4 control device 5 tool 6 back guard zone L zone T Figure 9 — Danger zone for punching and perforating press
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Key a) SIDE VIEW b) FRONT VIEW 1 cutting surface 2 tool 3 striking surface 4 control device zone L zone T Figure 10 — Danger zone for C-frame cutting press
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Key a) FRONTAL VIEW b) SIDE VIEW 1 cutting surface 2 rear movable protection 3 electrosensitive protective device or front movable protection 4 control device zone L zone S zone T Figure 11 — Danger zone for automatic travelling head press
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Key a) SIDE VIEW
b) FRONT VIEW 1 control device 2 electrosensitive protective device or front movable protection 3 rear movable protection zone L zone S zone T Figure 12 — Danger zone for automatic travelling head presses
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Key a) SIDE VIEW b) FRONT VIEW 1 cutting surface 2 electrosensitive protective device 3 striking surface 4 control device 5 rear movable protection zone L zone T Figure 13 — Danger zone for automatic beam press SIST EN 12044:2005+A1:2009
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5 Safety requirements and/or measures 5.1 General Machinery shall comply with the safety requirements and/or protective measures of this clause. In addition, the machine shall be designed according to the principles of EN ISO 12100 for hazards relevant but not significant which are not dealt with by this European Standard (e.g. sharp edges of structural parts). For hazards which are reduced by application of a B-Level standard such as EN 294, !EN ISO 13850", EN 60204-1 etc., the manufacturer shall carry out a risk assessment to establis
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