SIST EN 16474:2015
(Main)Plastics and rubber machines - Tyre curing presses - Safety requirements
Plastics and rubber machines - Tyre curing presses - Safety requirements
This European Standard applies to the tyre curing presses as defined in 3.36 having the following configuration.
- Crossing flow tyre curing presses, with two cavities with:
- common curing cycle and common safeguarding; or
- independent curing cycles and common safeguarding; or
- independent curing cycles and independent safeguarding.
- Tyre curing presses with one cavity.
- Tyre curing presses with automatic rear feeding and discharge.
The requirements and/or safety measures specified in this European Standard apply to tyre curing presses for passenger vehicle tyres and truck tyres.
Only automatic tyre loading into the mould and automatic tyre unloading from the mould are covered by this European Standard.
Feeding system and discharge system are not covered by this European Standard.
Hazard associated with falling of parts of the container or mould are not covered by this European Standard.
Safety requirements relating to the design of ancillary equipment which is not an integral part of the tyre curing press, e.g. conveying equipment are not covered in this European Standard.
Safety requirements relating the design of exhaust systems are not covered in this European Standard.
This European Standard covers the significant hazards listed in Clause 4.
NOTE This European Standard is not intended to support the PED [1]. For pressure hazards, see informative Annex A.
This document is not applicable to tyre curing presses which are manufactured before the date of its publication as EN.
Kunststoff- und Gummimaschinen - Reifenheizpressen - Sicherheitsanforderungen
Diese Europäische Norm gilt für Reifenheizpressen1), wie in 3.36 definiert, mit der folgenden Konfiguration:
- Kreuzstrom-Reifenheizpressen mit zwei Kavitäten mit:
- gemeinsamem Heizzyklus und gemeinsamer Absicherung; oder
- voneinander unabhängigen Heizzyklen und gemeinsamer Absicherung; oder
- voneinander unabhängigen Heizzyklen und unabhängiger Absicherung;
- Reifenheizpressen mit einer Kavität;
- Reifenheizpressen mit automatischer rückseitiger Beschickung und Entnahme.
Die in dieser Norm festgelegten Sicherheitsanforderungen und/oder Schutzmaßnahmen gelten für Reifenheizpressen für Reifen für Personenkraftwagen und Lastkraftwagen.
In dieser Norm sind nur das automatische Reifenbeschicken in die Form und die automatische Reifenentnahme aus der Form behandelt.
Beschickungssysteme und Entnahmesysteme sind in dieser Europäischen Norm nicht behandelt.
Gefährdungen in Verbindungen mit dem Herabfallen von Teilen des Containers oder der Form sind in dieser Europäischen Norm nicht behandelt.
Sicherheitsanforderungen, die sich auf die Konzipierung von Zusatzeinrichtungen beziehen, die nicht Bestandteil der Reifenheizpresse sind, z. B. Fördereinrichtungen, sind in dieser Europäischen Norm nicht behandelt.
Sicherheitsanforderungen an die Konzipierung von Absaugsystemen sind in dieser Europäischen Norm nicht behandelt.
Diese Europäische Norm behandelt die in Abschnitt 4 gelisteten signifikanten Gefährdungen.
ANMERKUNG Diese Europäische Norm ist nicht dafür vorgesehen, die Druckgeräterichtlinie zu erfüllen. Für die Gefährdungen durch Druck, siehe informativer Anhang A.
Dieses Dokument gilt nicht für Reifenheizpressen, die vor dem Datum der Veröffentlichung als EN hergestellt worden sind.
Machines pour les matières plastiques et le caoutchouc - Presses à vulcaniser - Prescriptions de sécurité
La présente Norme européenne s’applique aux machines à vulcaniser les pneumatiques dont la configuration
est la suivante :
Machines à vulcaniser les pneumatiques à flux traversant, à deux cavités avec :
un cycle de vulcanisation commun et des mesures de protection communes ; ou
des cycles de vulcanisation indépendants et des mesures de protection communes ; ou
des cycles de vulcanisation indépendants et des mesures de protection indépendantes.
Machines à vulcaniser les pneumatiques à une cavité.
Machines à vulcaniser les pneumatiques à alimentation et évacuation automatiques par l’arrière.
Les prescriptions de sécurité et/ou mesures de prévention spécifiées dans la présente Norme européenne
s’appliquent aux machines à vulcaniser les pneumatiques des véhicules de tourisme et des véhicules poids
lourds.
La présente Norme européenne ne traite pas :
du système d’alimentation ni du système d’évacuation de la machine ;
des machines à vulcaniser les pneumatiques avec chargement manuel du bandage dans la moule et
déchargement de l'enveloppe du moule
des équipements auxiliaires qui ne font pas partie intégrante de la machine à vulcaniser, tels que les
équipements de convoyage.
des systèmes d'assainissement de l’air par aspiration.
Le présent document traite de tous les phénomènes dangereux, situations et événements dangereux
significatifs associés aux machines à vulcaniser les pneumatiques en cas d’utilisation normale ou de mauvais
usage raisonnablement prévisible par le constructeur (voir l’Article 4).
La présente Norme européenne ne traite pas des phénomènes dangereux associés à la chute de pièces du
container ou du moule.
Certaines machines à vulcaniser les pneumatiques relèvent de la directive 97/23/CE [1] ; Il n’est pas prévu
que la présente Norme européenne vienne à l’appui de la directive 97/23/CE.
La présente Norme européenne n’est pas applicable aux machines à vulcaniser les pneumatiques fabriquées
avant sa date de publication comme EN.
Stroji za predelavo gume in plastike - Stiskalnice za vulkaniziranje - Varnostne zahteve
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Stroji za predelavo gume in plastike - Stiskalnice za vulkaniziranje - Varnostne zahteveKunststoff- und Gummimaschinen - Reifenheizpressen - SicherheitsanforderungenMachines pour les matières plastiques et le caoutchouc - Presses à vulcaniser - Prescriptions de sécuritéPlastics and rubber machines - Tyre curing presses - Safety requirements83.200Oprema za gumarsko industrijo in industrijo polimernih materialovEquipment for the rubber and plastics industries25.120.10Kovaški stroji. Stiskalnice. ŠkarjeForging equipment. Presses. ShearsICS:Ta slovenski standard je istoveten z:EN 16474:2015SIST EN 16474:2015en,fr,de01-julij-2015SIST EN 16474:2015SLOVENSKI
STANDARD
SIST EN 16474:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16474
April 2015 ICS 83.200 English Version
Plastics and rubber machines - Tyre curing machines - Safety requirements
Machines pour les matières plastiques et le caoutchouc - Machines à vulcaniser les pneumatiques - Prescriptions de sécurité
Kunststoff- und Gummimaschinen - Reifenvulkanisiermaschinen - Sicherheitsanforderungen This European Standard was approved by CEN on 10 October 2014.
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-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 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16474:2015 ESIST EN 16474:2015
EN 16474:2015 (E) 2 Contents Page Foreword .4 Introduction .5 1 Scope .6 2 Normative references .6 3 Terms and definitions .8 4 List of significant hazards . 12 4.1 General . 12 4.2 General hazards . 18 4.3 Hazards associated with specific machine parts or areas . 18 5 Safety requirements and/or protective measures . 20 5.1 General safety requirements and/or protective measures . 20 5.2 Specific safety requirements and/or protective measures . 21 5.2.1 Specific requirements for operation in production mode . 21 5.2.2 Specific requirements for operations other than the production mode . 53 5.2.3 Specific requirements for tyre curing machines with two cavities and independent curing cycles and independent safeguarding . 54 5.3 Emergency stop function . 54 5.4 Requirements for noise reduction . 54 5.4.1 Main noise sources. 54 5.4.2 Noise reduction at source by design . 55 5.4.3 Noise reduction by protective measures . 55 5.4.4 Information connected with noise hazards . 55 6 Verification of the safety requirements and/or protective measures . 55 7 Information for use . 62 7.1 General . 62 7.2 Instruction handbook . 62 7.2.1 General . 62 7.2.2 Exhaust system. 62 7.2.3 Leakage of nitrogen . 62 7.2.4 Hazards due to hot surfaces . 62 7.2.5 Leakage of curing media from hoses and pipes . 62 7.2.6 Non-permanent safe means of access . 63 7.2.7 Maintenance operations . 63 7.2.8 Fixation of the upper part of the container or mould . 63 7.2.9 Machine parameters . 63 7.2.10 Emergency stop and fluid discharge . 63 7.2.11 Noise emission . 63 7.3 Marking . 64 7.4 Warning signs . 64 Annex A (normative)
Noise test code . 65 A.1 Introduction . 65 A.2 Measurement of the A-weighted emission sound pressure level at the operator’s or other specified positions . 65 A.2.1 Basic standards . 65 SIST EN 16474:2015
EN 16474:2015 (E) 3 A.2.2 Measurement procedure . 65 A.2.3 Measurement uncertainty . 66 A.3 Installation, mounting and operating conditions for noise emission measurement . 66 A.4 Information to be recorded and reported . 66 A.5 Declaration and verification of noise emission values . 67 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC . 70 Bibliography . 71
SIST EN 16474:2015
EN 16474:2015 (E) 4 Foreword This document (EN 16474:2015) has been prepared by Technical Committee CEN/TC 145 “Plastics and rubber machines”, 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 October 2015, and conflicting national standards shall be withdrawn at the latest by October 2015. 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 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 2006/42/EC, 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, 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, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 16474:2015
EN 16474:2015 (E) 5 Introduction This European Standard is a type C standard as stated in EN ISO 12100. The machinery concerned and the extent to which hazards, hazardous situations and hazardous 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 in accordance with the provisions of this type C standard. SIST EN 16474:2015
EN 16474:2015 (E) 6 1 Scope This European Standard applies to tyre curing machines having the following configuration. — crossing flow tyre curing machines, with two cavities with: — common curing cycle and common safeguarding; or — independent curing cycles and common safeguarding; or — independent curing cycles and independent safeguarding; — tyre curing machines with one cavity; — tyre curing machines with automatic rear feeding and discharge. The safety requirements and/or protective measures specified in this European Standard apply to tyre curing machines for passenger vehicle tyres and truck tyres. This European Standard does not deal with: — feeding system and discharge system; — tyre curing machines with manual loading of the green tyre into the mould and manual unloading of the cured tyre from the mould; — ancillary equipment which is not an integral part of the tyre curing machine, e.g. conveying equipment; — exhaust systems. This European Standard deals with all significant hazards, hazardous situations and events relevant to tyre curing machines, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4). It does not deal with hazards associated with falling of parts of the container or mould. Some tyre curing machines include pressure vessels, which fall under Directive 97/23/EC [1]; this European standard is not intended to support the Directive 97/23/EC. This European Standard is not applicable to tyre curing machines which are manufactured before the date of its publication as an EN. 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 referenced document (including any amendments) applies. EN 619:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads EN 953:1997+A1:2009, Safety of machinery - Guards - General requirements for the design and construction of fixed and movable guards SIST EN 16474:2015
EN 16474:2015 (E) 7 EN ISO 14119:2013, Safety of machinery - Interlocking devices associated with guards - Principles for design and selection (ISO 14119:2013) EN 60204-1:2006, Safety of machinery - Electrical equipment of machines - Part 1: General requirements (IEC 60204-1:2005) EN 61496-1:2013, Safety of machinery - Electro-sensitive protective equipment - Part 1: General requirements and tests (IEC 61496-1:2012) EN 61496-2:2013, Safety of machinery - Electro-sensitive protective equipment - Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs) (IEC 61496-2:2013) EN ISO 4413:2010, Hydraulic fluid power - General rules and safety requirements for systems and their components (ISO 4413:2010) EN ISO 4414:2010, Pneumatic fluid power - General rules and safety requirements for systems and their components (ISO 4414:2010) EN ISO 4871:2009, Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996) EN ISO 11201:2010, Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010) EN ISO 11202:2010, Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections (ISO 11202:2010) EN ISO 11204:2010, Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections (ISO 11204:2010) EN ISO 12100:2010, Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010) EN ISO 13732-1:2008, Ergonomics of the thermal environment - Methods for the assessment of human responses to contact with surfaces - Part 1: Hot surfaces (ISO 13732-1:2006) 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 ISO 13855:2010, Safety of machinery - Positioning of safeguards with respect to the approach speeds of parts of the human body (ISO 13855:2010) EN ISO 13856-2:2013, Safety of machinery - Pressure-sensitive protective devices - Part 2: General principles for design and testing of pressure-sensitive edges and pressure-sensitive bars (ISO 13856-2:2013) EN ISO 13856-3:2013, Safety of machinery - Pressure-sensitive protective devices - Part 3: General principles for design and testing of pressure-sensitive bumpers, plates, wires and similar devices (ISO 13856-3:2013) EN ISO 13857:2008, Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008) SIST EN 16474:2015
EN 16474:2015 (E) 8 EN ISO 14122-2:2001, Safety of machinery - Permanent means of access to machinery - Part 2: Working platforms and walkways (ISO 14122-2:2001) EN ISO 14122-2:2001/A1:2010, Safety of machinery - Permanent means of access to machinery - Part 2: Working platforms and walkways - Amendment 1 (ISO 14122-2:2001/Amd 1:2010) EN ISO 14122-3:2001, Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails (ISO 14122-3:2001) EN ISO 14122-3:2001/A1:2010, Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails - Amendment 1 (ISO 14122-3:2001/Amd 1:2010) EN ISO 14122-4:2004, Safety of machinery - Permanent means of access to machinery - Part 4: Fixed ladders (ISO 14122-4:2004) EN ISO 14122-4:2004/A1:2010, Safety of machinery - Permanent means of access to machinery - Part 4: Fixed ladders - Amendment 1 (ISO 14122-4:2004/Amd 1:2010) CLC/TS 61496-3:2008, Safety of machinery -requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR) (IEC 61496-3:2008) ISO 7010:2011, Graphical symbols — Safety colours and safety signs — Registered safety signs 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 12100:2010 and the following apply. 3.1 tyre curing machine machine used for vulcanisation of tyres usually comprising fixed and movable parts that can be locked together, inside which the green tyre assumes its final shape and characteristics by the use of pressure and heating Note 1 to entry
See Figure 1 and Figure 2. 3.2 crossing flow machine type in which green tyres are fed and loaded from the front and cured tyres are unloaded and discharged from the rear 3.3 cavity part of the machine in which the container and/or the mould and the bladder are installed 3.4 green tyre assembly of rubber parts intended to be cured 3.5 cured tyre tyre in its final form after vulcanisation SIST EN 16474:2015
EN 16474:2015 (E) 9 3.6 bladder inflatable rubber component used to push the green tyre into contact with the mould while being inflated by the curing media Note 1 to entry: The bladder is connected to the machine by means of the top ring and bottom ring. 3.7 bottom ring assembly of the bottom bladder clamping plate 3.8 top ring assembly of the top bladder clamping plate 3.9 green tyre stand supporting element for the green tyre before loading 3.10 chuck device for holding or gripping the green or cured tyre 3.11 movable upper part part of the machine that is opened for loading the green tyre and unloading the cured tyre and is closed and locked during curing 3.12 heating platen equipment used to heat sidewalls of the mould by contact 3.13 steam dome equipment used to heat the complete mould by direct contact with the steam 3.14 container exchangeable equipment used to receive and heat the segments of the curing mould Note 1 to entry: The container is fixed to the tyre curing machine by use of screws or automatic fixation device. 3.15 mould exchangeable equipment used to give the external shape to the cured tyre 3.16 dummy mould subassembly representative of the mould used in industrial conditions 3.17 mould segment movable part of the mould 3.18 semi-closed position position of the movable upper part where the still open segments of the mould in the container touch the lower part of the container thus preventing the risk of projection SIST EN 16474:2015
EN 16474:2015 (E) 10 3.19 feeding manual or automatic operation to feed green tyres to the loading device 3.20 loading device device used to pick up the green tyre and insert it into the tyre curing machine 3.21 curing cycle period of time in which the curing process is completed, i.e. from full closing, squeezing and locking until the pressure is dropped down 3.22 unloading device device used to remove the cured tyre from the tyre curing machine 3.23 discharge manual or automatic operation to remove cured tyres from the unloading device 3.24 take-away conveyor conveyor that is an integral part of the machine and on which the unloading device deposits the cured tyres for discharge to the rear of the tyre curing machine 3.25 spraying device static or dynamic nozzle(s) used to treat the mould and/or the bladder with treatment fluid 3.26 distance guard guard which does not completely enclose a danger zone, but which prevents or reduces access by virtue of its dimensions and its distance from the danger zone, e.g. perimeter fence or tunnel guard [SOURCE: EN 953:1997+A1:2009, 3.2.2] 3.27 enclosing guard guard which prevents access to the danger zone from all sides [SOURCE: EN 953:1997+A1:2009, 3.2.1] SIST EN 16474:2015
EN 16474:2015 (E) 11
Key 1 container 2 top ring 3 bottom ring 4 bladder 5 heating platen Figure 1 — Main parts of tyre curing machines (front view) SIST EN 16474:2015
EN 16474:2015 (E) 12
Key 1 unloading device 2 take-away conveyor 3 green tyre stand 4 top ring 5 green tyre 6 loading device 7 chuck 8 movable upper part 9 cured tyre Figure 2 — Main parts of tyre curing machines (side view) 4 List of significant hazards 4.1 General This clause contains all the significant hazards, hazardous situations and events identified by risk assessment as significant for this type of machinery and which require action to eliminate or reduce the risk. For the location of hazards on crossing flow tyre curing machines, see Figure 3, Figure 4 and Figure 5. SIST EN 16474:2015
EN 16474:2015 (E) 13 For the location of hazards on tyre curing machines with automatic rear feeding and discharge, see Figure 6, Figure 7 and Figure 8. The numbering of hazards on Figure 3 to Figure 8 and in 4.3 corresponds to the numbering of hazards in Table 1.
Figure 3 — Location of hazards on crossing flow tyre curing machines (front view) SIST EN 16474:2015
EN 16474:2015 (E) 14
Figure 4 — Location of hazards on crossing flow tyre curing machines (side view) SIST EN 16474:2015
EN 16474:2015 (E) 15
Figure 5 — Location of hazards on crossing flow tyre curing machines (top view) SIST EN 16474:2015
EN 16474:2015 (E) 16
Figure 6 — Location of hazards on tyre curing machines with automatic rear feeding and discharge (front view) SIST EN 16474:2015
EN 16474:2015 (E) 17
Figure 7 — Location of hazards on tyre curing machines with automatic rear feeding and discharge (side view) SIST EN 16474:2015
EN 16474:2015 (E) 18
Figure 8 — Location of hazards on tyre curing machines with automatic rear feeding and discharge (top view) 4.2 General hazards Electric shock or burns due to direct or indirect contact with live conductive parts (see 5.1). Hazards due to malfunction of the hydraulic or pneumatic systems (see 5.1). Hazards from high noise levels resulting for example in hearing impairment, tiredness, stress, loss of balance or awareness, interference with speech communications or with the perception of acoustic signals (see 5.4). Hazards due to neglecting ergonomic principles, e.g. musculoskeletal disorders due to posture, efforts and/or repetitive activity related to manual feeding of green tyres (see 5.1). 4.3 Hazards associated with specific machine parts or areas The significant hazards associated with specific parts or areas of tyre curing machines are the following: SIST EN 16474:2015
EN 16474:2015 (E) 19 1) Crushing, shearing and/or entanglement due to closing of the movable upper part; 2) Crushing, shearing, entanglement and/or impact due to opening of the movable upper part; 3) Crushing due to unexpected falling of the movable upper part when it is in the fully open position; 4) Crushing due unexpected gravity fall of the movable upper part when it is in any raised position; 5) Crushing and/or shearing due to locking of the movable upper part; 6) Crushing and/or shearing due to unlocking of the movable upper part; 7) Crushing, shearing and/or impact due to downward movement of the loading device and/or green tyre stand; 8) Crushing, shearing and/or impact due to upward movement of the loading device and/or green tyre stand; 9) Crushing, shearing and/or impact due to rotation of the loading device (chuck type); 10) Crushing, shearing and/or impact due to unexpected gravity fall of the loading device when it is in raised position; 11) Crushing, shearing and/or impact due to downward movement of the unloading device; 12) Crushing, shearing and/or impact due to upward movement of the unloading device, rotation of the chuck type unloading device or swivelling of the fork type unloading device; 13) Crushing, shearing and/or impact due to unexpected gravity fall of the unloading device when it is in raised position; 14) Cutting, crushing and/or impact due to expansion/collapse of the chuck elements of the loading device; 15) Crushing and/or shearing due to downward and upward movement of the bottom ring; 16) Crushing and/or shearing due to downward and upward movement of the top ring; 17) Cutting, crushing and/or impact due to expansion/collapse of the chuck elements of the unloading device; 18) Crushing and/or cutting due to movement to create/release the squeeze force; 19) Crushing and/or shearing due to movement of the automatic container locking and unlocking system; 20) Crushing, shearing and/or trapping due to closing movement of the mould segments; 21) Bursting and/or ejection of materials or steam due to pressure to the bladder when the tyre curing machine is above the semi-closed position; 22) Bursting and/or ejection of materials due to pressure to the bladder when the tyre curing machine is below the semi-closed position; 23) Bursting and/or ejection of materials due to pressure to the bladder when the tyre curing machine is closed and locked; 24) Bursting ejection of materials, impact, injection and/or burns due to high pressure inside the dome before unlocking; SIST EN 16474:2015
EN 16474:2015 (E) 20 25) Bursting, ejection of materials, impact, injection and/or burns due to high pressure inside the bladder before unlocking; 26) Bursting, ejection of materials, impact, injection and/or scalds, due to accumulation of hot water under pressure between the bladder and tyre in case of a leakage of the bladder (only for machines using hot water as curing media); 27) Scalds due to accumulation of hot water between the bladder and the tyre or mould; 28) Inhalation of substances hazardous to health due to release of fumes; 29) Asphyxia due to leakage of nitrogen from pipes; 30) Impact, crushing and/or cutting due to movement of power operated guards on tyre curing machines with automatic rear feeding and discharge; 31) Burns due to hot parts (pipes, mould, heating platens, hoses, valves, etc.); 32) Scalds, burns and/or impact due to rupture of flexible hoses or failure of rigid pipes feeding curing media to the tyre curing machine; 33) Scalds due to leakage from flexible hoses or rigid pipes feeding curing media to the tyre curing machine; 34) Crushing and/or impact due to falling of the upper part of the container; 35) Projection of fluid and/or impact due to movement of the spraying jib, if any and/or inhalation of toxic substances released from the spraying device; 36) Fall from working positions at height; 37) Projection of fluid and/or burns due to residual pressure of curing media inside pipework; 38) Impact and/or crushing due to falling of the green tyre from the loading device or cured tyre from the unloading device. 5 Safety requirements and/or protective measures 5.1 General safety requirements and/or protective measures Machinery shall comply with the safety requirements and/or protective measures of this clause. In addition, the machines shall be designed according to the principles of EN ISO 12100:2010 for relevant but not significant hazards, which are not dealt with by this document. Safety distances for fixed distance guards and machine parts acting as fixed guards shall comply with EN ISO 13857:2008. For the hazard “reaching over protective structures”, if not otherwise specified in the relevant subclauses, Table 2 shall be applied for crushing and shearing hazards, otherwise Table 1 may be used. For reaching through openings, Table 3 and Table 4 shall be used. Guards shall be designed and manufactured in accordance with EN 953:1997+A1:2009. Interlocking devices shall comply with EN ISO 14119:2013. The choice between interlocking guards and interlocking guards with guard locking shall comply with EN ISO 14119:2013, Clause 7 and EN ISO 13855:2010, Clause 9. Interlocking guards may be power
...
SLOVENSKI STANDARD
oSIST prEN 16474:2012
01-november-2012
Stroji za predelavo gume in plastike - Stiskalnice za vulkaniziranje - Varnostne
zahteve
Plastics and rubber machines - Tyre curing presses - Safety requirements
Kunststoff- und Gummimaschinen - Reifenheizpressen - Sicherheitsanforderungen
Machines pour les matières plastiques et le caoutchouc - Presses à vulcaniser -
Prescriptions de sécurité
Ta slovenski standard je istoveten z: prEN 16474
ICS:
25.120.10 Kovaški stroji. Stiskalnice. Forging equipment. Presses.
Škarje Shears
83.200 Oprema za gumarsko Equipment for the rubber and
industrijo in industrijo plastics industries
polimernih materialov
oSIST prEN 16474:2012 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 16474:2012
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oSIST prEN 16474:2012
EUROPEAN STANDARD
DRAFT
prEN 16474
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2012
ICS 83.200
English Version
Machines pour les matières plastiques et le caoutchouc -
Presses à vulcaniser les pneumatiques - Exigences de sécurité
Machines pour les matières plastiques et le caoutchouc - Kunststoff- und Gummimaschinen - Reifenheizpressen -
Presses à vulcaniser - Prescriptions de sécurité Sicherheitsanforderungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 145.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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 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,
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Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 16474:2012: E
worldwide for CEN national Members.
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Contents Page
Foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .7
4 List of significant hazards . 10
4.1 General . 10
4.2 General hazards . 15
4.3 Hazards associated with specific machine parts or areas . 15
5 Safety requirements and/or protective measures . 17
5.1 General safety requirements and/or protective measures . 17
5.2 Specific safety requirements and/or protective measures . 18
5.2.1 General . 18
5.2.2 Specific requirements for tyre curing presses with two cavities and independent curing
cycles and independent safeguarding . 18
5.2.3 Specific requirements for operation in normal/automatic production mode . 18
5.2.4 Specific requirements for operations other than the normal/automatic production mode . 55
5.2.5 Specific requirements for maintenance operations . 55
5.3 Emergency stop function . 55
6 Verification of safety requirements and/or protective measures . 55
7 Information for use . 61
7.1 Marking . 61
7.2 Instruction handbook . 62
7.2.1 General . 62
7.2.2 Exhaust system. 62
7.2.3 Leakage of nitrogen . 62
7.2.4 Hazard due to hot surfaces . 62
7.2.5 Leakage of curing fluids from hoses and pipes . 62
7.2.6 Non-permanent safe means of access . 62
7.2.7 Maintenance operations . 63
7.2.8 Fixation of the upper parts of the container or mould . 63
Annex A (informative) Pressure information . 64
A.1 Objective of Annex A . 64
A.2 Parameters to be considered . 66
A.3 Determination of the maximum allowable pressure . 67
A.4 Determination of the test pressure . 67
A.5 Marking . 68
Annex B (informative) Guide for the rough estimation of squeeze force in a dome tyre curing press . 69
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC . 70
Bibliography . 71
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Foreword
This document (prEN 16474:2012) has been prepared by Technical Committee CEN/TC 145 “Plastics and
rubber machines”, the secretariat of which is held by UNI.
This document is currently submitted to the CEN Enquiry.
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 2006/42/EC, see informative Annex ZA, which is an integral part of this
document.
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Introduction
This European Standard is a type C standard as stated in EN ISO 12100.
The machinery concerned and the extent to which hazards, hazardous situations and hazardous 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 and 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 in accordance with the provisions of this type C standard.
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1 Scope
1)
This European Standard applies to the tyre curing presses as defined in 3.36 having the following
configuration.
Crossing flow tyre curing presses, with two cavities with:
common curing cycle and common safeguarding; or
independent curing cycles and common safeguarding; or
independent curing cycles and independent safeguarding.
Tyre curing presses with one cavity.
Tyre curing presses with automatic rear feeding and discharge.
The requirements and/or safety measures specified in this European Standard apply to tyre curing presses for
passenger vehicle tyres and truck tyres.
Only automatic tyre loading into the mould and automatic tyre unloading from the mould are covered by this
European Standard.
Feeding system and discharge system are not covered by this European Standard.
Hazard associated with falling of parts of the container or mould are not covered by this European Standard.
Safety requirements relating to the design of ancillary equipment which is not an integral part of the tyre curing
press, e.g. conveying equipment are not covered in this European Standard.
Safety requirements relating the design of exhaust systems are not covered in this European Standard.
This European Standard covers the significant hazards listed in Clause 4.
NOTE This European Standard is not intended to support the PED [1]. For pressure hazards, see informative
Annex A.
This document is not applicable to tyre curing presses which are manufactured before the date of its
publication as EN.
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 referenced document (including any amendments) applies.
EN 619:2002+A1:2010, Continuous handling equipment and systems ― Safety and EMC requirements for
equipment for mechanical handling of unit loads
EN 953:1997+A1:2009, Safety of machinery ― Guards ― General requirements for the design and
construction of fixed and moveable guards
1) The machines covered by this document, although named « presses », are not listed in Annex IV of the Machinery
Directive 2006/42/EC.
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EN 1088:1995+A2:2008, Safety of machinery ― Interlocking devices associated with guards ― Principles for
design and selection
EN 1760-2:2001+A1:2009, Safety of machinery ― Pressure sensitive protective devices ― Part 2: General
principles for the design and testing of pressure sensitive edges and pressure sensitive bars
EN 60204-1:2006, Safety of machinery ― Electrical equipment of machines ― Part 1: General requirements
(IEC 60204-1:2005, mod.)
EN 61496-1:2004 + A1:2008, Safety of machinery ― Electro-sensitive protective equipment ― Part 1:
General requirements and tests (IEC 61496-1:2004, mod. + A1:2007 + corr. Jul. 2008)
EN ISO 4413:2010, Hydraulic fluid power ― General rules and safety requirements for systems and their
components (ISO 4413:2010)
EN ISO 4414:2010, Pneumatic fluid power ― General rules and safety requirements for systems and their
components (ISO 4414:2010)
EN ISO 12100:2010, Safety of machinery ― General principles for design ― Risk assessment and risk
reduction (ISO 12100:2010)
EN ISO 13732-1:2008, Ergonomics of the thermal environment ― Methods for the assessment of human
responses to contact with surfaces ― Part 1: Hot surfaces (ISO 13732-1:2006)
EN ISO 13849-1:2008, Safety of machinery ― Safety related parts of control systems ― Part 1: General
principles for design (ISO 13849:2006)
EN ISO 13850:2008, Safety of machinery ― Emergency stop ― Principles for design (ISO 13850:2006)
EN ISO 13855:2010, Safety of machinery ― Positioning of safeguards with respect to the approach speeds of
parts of the human body (ISO 13855:2010)
EN ISO 13857:2008, Safety of machinery ― Safety distances to prevent danger zones being reached by the
upper and lower limbs (ISO 13857:2008)
EN ISO 14122-2:2001, Safety of machinery — Permanent means of access to machinery — Part 2: Working
platforms and walkways (ISO 14122-2:2001)
EN ISO 14122-2:2001/A1:2010, Safety of machinery — Permanent means of access to machinery — Part 2:
Working platforms and walkways - Amendment 1 (ISO 14122-2:2001/Amd 1:2010)
EN ISO 14122-3:2001, Safety of machinery ― Permanent means of access to machinery ― Part 3: Stairs,
stepladders and guard-rails (ISO 14122-3:2001)
EN ISO 14122-3:2001/A1:2010, Safety of machinery ― Permanent means of access to machinery ― Part 3:
Stairs, stepladders and guard-rails - Amendment 1 (ISO 14122-3:2001/Amd 1:2010)
EN ISO 14122-4:2004, Safety of machinery ― Permanent means of access to machinery ― Part 4: Fixed
ladders (ISO 14122-4:2004)
EN ISO 14122-4:2004/A1:2010, Safety of machinery - Permanent means of access to machinery ― Part 4:
Fixed ladders ― Amendment 1 (ISO 14122-4:2004/Amd 1:2010)
CLC/TS 61496-3:2008, Safety of machinery ― Electro-sensitive protective equipment ― Part 3: Particular
requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection (AOPDDR)
(IEC 61496-3:2008)
ISO 7010:2011, Graphical symbols ― Safety colours and safety signs ― Registered safety signs
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3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 12100:2010 and the following
apply.
3.1
access equipment
specific parts to allow access to the parts of the press in normal operation
EXAMPLES Footstep, platform, stairs
3.2
automatic loading/unloading
loading and unloading from one side
3.3
bladder
inflatable rubber component used to push the green tyre into contact with the mould while being inflated by the
curing media
Note 1 to entry: The bladder is connected to the machine by means of the top and bottom rings.
3.4
bladder support
mechanism to fix the bladder either by standing post or bagwell
3.5
bottom ring
assembly of the bottom bladder clamping plate
3.6
change plate identification
action performed on the sidewall of the mould while mounted in the press
Note 1 to entry: This identification is commonly called department of transportation (DOT) or tyre ID.
3.7
chuck
device for holding or gripping the green or cured tyre
3.8
container
exchangeable equipment used to receive and heat the segments of the curing mould
Note 1 to entry: The container is fixed to the curing press by use of screws or automatic locking device.
3.9
container fixation device
steel support to fix the container
Note 1 to entry: The container fixation device is sometimes called bolster.
3.10
crossing flow
loading from the front and unloading from the rear
3.11
cured tyre
tyre in its final form after vulcanisation
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3.12
curing cycle
period of time between full closing, squeezing and locking until the pressure is dropped down
3.13
curing mould
exchangeable equipment used to give the external shape to the cured tyre
3.14
curing valves and pipework
temperature and pressure regulation system installed on the tyre curing press
3.15
dimension change
changing the equipment depending on the size of the tyre to be cured
3.16
discharge
manual or automatic operation to remove cured tyres from the unloading system
3.17
energy evacuation system
part involved in draining the curing bladder and the heating system
3.18
energy supply system
system for supplying electrical, pneumatic, hydraulic and curing media
Note 1 to entry: Curing media are for example, hot water, steam, nitrogen and air.
3.19
exit conveyer
conveyer on which the unloading device deposits the cured tyres for discharge to the rear of the press
3.20
feeding
manual or automatic operation to feed green tyres to the loading system
3.21
fixed lower part
part of the machine fixed to the foundation which contains the bladder and supports the lower part of the
mould
3.22
green tyre
assembly of rubber parts intended to be cured
3.23
handling accessory
device used for maintenance action or mould changing or press set up
3.24
heating platen
equipment used to heat the top and bottom sidewalls of the mould by contact
3.25
hydraulic tyre curing press
tyre curing press where squeezing force is applied by means of hydraulic cylinders
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3.26
loading device
device used to pick up the green tyre and insert it into the tyre curing press
3.27
maintenance action
operation (for example, diagnostic, lubrication, etc.) intended to maintain the press at the design level
3.28
mechanical tyre curing press
tyre curing press where squeezing force is mechanically applied by means of side links, crank gear and
gearbox driven by an electrical motor
3.29
movable upper part
part of the machine that is opened for loading and unloading the tyre and is closed and locked during curing
3.30
mould cleaning
system to remove deposits from the mould
3.31
segment mould operator
device used to open and close the mould segments
3.32
semi-closed position
position in which the top press part with the mould or container is at a distance of the maximum container with
the extended segment
3.33
spraying device
static or dynamic nozzle(s) used to treat the mould and/or the bladder with treatment fluid
3.34
steam dome
equipment used to heat the complete mould by direct contact with the steam
3.35
top ring
assembly of the top bladder clamping plate
3.36
tyre curing press
machine used for vulcanisation of tyres usually comprising fixed and movable parts that can be locked
together, inside which the green tyre assumes its final shape and characteristics by the use of pressure and
heating
3.37
tyre curing press cleaning
operation to remove deposits from the press
3.38
tyre loading/tyre unloading
automatic action to put the tyre into or outside the press
3.39
unloading device
device used to remove the cured tyre from the tyre curing press
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4 List of significant hazards
4.1 General
Clause 4 lists the significant hazards associated with tyre curing presses.
For the location of hazards on crossing flow tyre curing presses, see Figures 1, 2 and 3.
For the location of hazards on tyre curing presses with automatic rear feeding and discharge, see Figures 4, 5
and 6.
The numbering of the hazards on Figures 1 to 6 and in 4.3 corresponds to the numbering of the hazards in
Table 1.
Figure 1 — Location of hazards on crossing flow tyre curing presses (front view)
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Figure 2 — Location of hazards on crossing flow tyre curing presses (side view)
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Figure 3 — Location of hazards on crossing flow tyre curing presses (top view)
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Figure 4 — Location of hazards on tyre curing press with automatic rear feeding
and discharge (front view)
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Figure 5 — Location of hazards on tyre curing press with automatic rear feeding
and discharge (side view)
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Figure 6 — Location of hazards on tyre curing press with automatic rear feeding
and discharge (top view)
4.2 General hazards
Electric shock or burns due to direct or indirect contact with live conductive parts.
Hazards due to malfunction of the hydraulic and pneumatic systems.
4.3 Hazards associated with specific machine parts or areas
The significant hazards associated with specific parts or areas of tyre curing presses are the following:
1) Crushing, shearing and entanglement hazards due to closing of the movable upper part,
2) Crushing, shearing, entanglement, impact hazards due to opening of the movable upper part,
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3) Crushing hazards due to unexpected falling of the movable upper part when the moveable upper part is in
the fully open position,
4) Crushing hazards due to malfunction of the stop function of the movable upper part,
5) Crushing, shearing hazards due to locking of the movable upper part (if existing),
6) Crushing, shearing hazards due to unlocking of the movable upper part,
7) Crushing, shearing, impact hazards due to downward movement of the loading device,
8) Crushing, shearing, impact hazards due to upward movement of the loading device,
9) Crushing, shearing, impact hazards due to rotation of the loading device (chuck type),
10) Crushing, shearing, impact hazards due to falling of the loading device when the loading device is in the
loading position,
11) Crushing, shearing, impact hazards due to malfunction of the stop function of the loading device,
12) Crushing, shearing, impact hazards due to downward movement of the unloading device,
13) Crushing, shearing, impact hazards due to upward movement of the unloading device, rotation of the
chuck type unloading device or swivelling of the fork type unloading device,
14) Crushing, shearing, impact hazards due to falling of the unloading device,
15) Crushing, shearing, impact hazards due to malfunction of the stop function of the unloading device,
16) Cutting, Crushing, Impact hazards due to expansion/collapse of the chuck loader,
17) Crushing, cutting hazards due to downward movement of the bottom ring,
18) Crushing, cutting hazards due to movement of the top ring,
19) Cutting, crushing, impact hazards due to expansion/collapse of the chuck unloader,
20) Crushing, cutting hazards due to movement to create/release the squeeze force,
21) Crushing, shearing hazards due to movement of the automatic container locking and unlocking system,
22) Crushing, shearing, impact hazards due to upward and downward movement of the segment mould
operator,
23) Bursting, projection of materials or steam hazards due to pressure to the bladder when the press is above
the semi-closed position,
24) Bursting, projection of materials hazards due to pressure to the bladder when the press is below the
semi-closed position,
25) Bursting, projection of materials hazards due to pressure to the bladder when the press is closed and
locked,
26) Bursting, projection of materials, impact, injection, burns hazards due to high pressure inside the dome
before unlocking,
27) Bursting, projection of materials, impact, injection, burns hazards due to high pressure inside the bladder
before unlocking,
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28) Bursting, projection of materials, impact, injection, burns accumulation of hot water under pressure
between the bladder and tyre due to leakage of the bladder,
29) Scald hazards due to accumulation of hot water between the bottom part of the tyre,
30) Inhalation of fumes hazards due to release of fumes,
31) Asphyxia hazards due to leakage of nitrogen from pipes,
32) Impact, crushing, cutting hazards due to movement of power operated guards,
33) Burns hazards due to hot parts (pipe, mould, platens, hoses, valves, etc.),
34) Scald, burns, impact hazards due to rupture of flexible hoses or failure of rigid pipes feeding curing media
to the press,
35) Scald hazards due to leakage from flexible hoses or rigid pipes feeding curing media to the press,
36) Crushing, Impact hazards due to falling hazard of the upper part of the container,
37) Projection of fluid, impact due to the movement of spraying jib, if any, Inhalation of toxic substances
hazards due to hazards due to spraying device,
38) Impact, falling hazards due to falling on or from working position,
39) Projection of fluid, burns hazards due to hazard due to residual pressure of curing media inside pipe
work,
40) Impact, crushing hazards due to falling of the green or cured tyre during loading and unloading,
5 Safety requirements and/or protective measures
5.1 General safety requirements and/or protective measures
Machinery shall comply with the safety requirements and/or protective measures of this clause. In addition,
the machines shall be designed according to the principles of EN ISO 12100:2010 for relevant but not
significant hazards, which are not dealt with by this document.
Safety distances shall comply with EN ISO 13857:2008, if not otherwise specified in the relevant subclauses.
Guards shall be designed and manufactured in accordance with EN 953:1997+A1:2009. Interlocking devices
shall comply with EN 1088:1995+A2:2008.
Light curtains shall be in accordance with EN 61496-1:2004 + A1:2008 and scanners shall comply with
CLC/TS 61496-3:2008.
Light curtains and interlocking guards without guard locking shall be positioned in accordance with
EN ISO 13855:2010.
The safety related parts of the control system shall be designed in accordance with EN ISO 13849-1:2008.
The required performance level (PL ) for each safety function is specified in the relevant subclauses taking
r
into account the risk assessment.
The electrical equipment shall be in accordance with EN 60204-1:2006.
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The hydraulic equipment and its components shall be designed in accordance with EN ISO 4413:2010.
The pneumatic equipment and its components shall be designed in accordance with EN ISO 4414:2010.
5.2 Specific safety requirements and/or protective measures
5.2.1 General
In Table 1, the safety requirements are specified for the front, rear and side positions on the press. Figures 7
and 8 show these positions.
Key Key
1 front position 1 front position
2 rear position 2 rear position
3 side position 3 side position
Figure 7 — Positions on crossing flow tyre Figure 8 — Position on tyre curing press with
curing presses automatic rear feeding and discharge
5.2.2 Specific requirements for tyre curing presses with two cavities and independent curing cycles
and independent safeguarding
On such machines, the two cavities shall be separated by a solid fixed guard. Each side of the machine shall
be considered as a curing tyre machine in itself.
5.2.3 Specific requirements for operation in normal/automatic production mode
All the safety functions identified and described in this subclause shall meet the requirements of Table 1.
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Table 1 — Safety requirements and/or measures for tyre curing presses in normal/automatic production mode
Tyre curing presses with automatic rear
Are
Crossing flow tyre curi
...
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