EN 1417:2023
(Main)Plastics and rubber machines - Two-roll mills - Safety requirements
Plastics and rubber machines - Two-roll mills - Safety requirements
This document deals with all significant hazards, hazardous situations or hazardous events relevant to two-roll mills for the processing of rubber and/or plastics (see Annex A), when used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer during all the phases of the life of the machine as described in EN ISO 12100:2010, 5.4.
This document covers two-roll mills as defined in 3.1.
This document covers two-roll mills intended to be used in normal production and two-roll mills intended to be used in laboratories (testing of mixtures by batchwise processing of small amounts, not continuously).
This document is applicable to the following ancillary equipment as integral part of the machine:
- powered stock guides;
- strip cutting device;
- stock blender;
- recovery conveyor belt;
- retractable ploughs;
- secondary roller;
- supply of heating and/or cooling fluids.
This document does not apply to the design of a local exhaust ventilation system that might be necessary in specific applications of the machine not known by the manufacturer.
This document does not apply to two-roll mills manufactured before the date of its publication as a European Standard.
Kunststoff- und Gummimaschinen - Walzwerke - Sicherheitsanforderungen
Dieses Dokument behandelt alle signifikanten Gefährdungen, Gefährdungssituationen oder Gefährdungsereignisse, die für Walzwerke zur Verarbeitung von Kunststoff und/oder Gummi (siehe Anhang A) bei bestimmungsgemäßem Gebrauch und unter vom Hersteller vernünftigerweise vorhersehbaren Fehlanwendungen während sämtlicher Phasen der Lebensdauer der Maschine nach EN ISO 12100:2010, 5.4, relevant sind.
Dieses Dokument ist anwendbar für Walzwerke nach der Definition in 3.1.
Dieses Dokument ist anwendbar für Walzwerke, die für den Einsatz in der üblichen Produktion bestimmt sind, und für Walzwerke, die für den Einsatz in Laboratorien bestimmt sind (Prüfung von Mischungen durch chargenweise Verarbeitung kleiner Mengen, nicht kontinuierlich).
Dieses Dokument behandelt folgende Zusatzgeräte als integraler Bestandteil der Maschine:
kraftbetätigte Führungsbacken;
Streifenschneideinrichtung;
Stockblender;
Rückführband;
Wendeeinrichtungen;
Nebenwalze;
Versorgung mit Heiz- und/oder Kühlflüssigkeiten;
Dieses Dokument behandelt nicht die Konstruktion einer lokalen Absaugeinrichtung, die bei bestimmten Anwendungen der Maschine erforderlich sein könnten und dem Hersteller nicht bekannt sind.
Dieses Dokument ist nicht anwendbar für Walzwerke, die vor Veröffentlichung dieser Europäischen Norm hergestellt wurden.
Machines pour les matières plastiques et le caoutchouc - Mélangeurs à cylindres - Prescriptions de sécurité
Le présent document traite de tous les phénomènes dangereux, situations dangereuses ou événements dangereux significatifs pertinents pour les mélangeurs à cylindres pour le traitement du caoutchouc et / ou des plastiques (voir Annexe A), en cas d’utilisation normale ou de mauvais usage raisonnablement prévisible par le fabricant pendant toutes les phases de la vie de la machine, tel que décrit dans l'EN ISO 12100:2010, 5.4.
Le présent document traite des mélangeurs à cylindres, tels que définis en 3.1.
Le présent document traite des mélangeurs à cylindres destinés à être utilisés en production normale et les mélangeurs à cylindres destinés à être utilisés en laboratoire (contrôle des mélanges par traitement par lots de petites quantités, non en continu)
Le présent document s’applique à l’équipement auxiliaire suivant faisant partie intégrante de la machine :
- oreilles motorisées ;
- dispositif de coupe de bande ;
- blender (unité d’homogénéisation) ;
- tapis releveur ;
- socs de mélangeage relevables ;
- rouleau annexe ;
- alimentation en fluide chaud et/ou de refroidissement.
Le présent document ne traite pas de la conception du système d'aspiration locale qui peut être nécessaire dans des applications spécifiques de la machine, non connues du fabricant.
Le présent document ne s'applique pas aux mélangeurs à cylindres fabriqués avant sa date de publication comme Norme Européenne.
Stroji za predelavo gume in plastike - Dvovaljni gnetilniki - Varnostne zahteve
Ta evropski standard obravnava vse večje nevarnosti, nevarne situacije in dogodke v zvezi s dvovaljnimi gnetilniki za predelavo gume in/ali plastike, kadar se ti uporabljajo v skladu s svojim namenom in pod pogoji nepravilne uporabe, ki jih razumno predvidi proizvajalec (glej točko 4).
Ta evropski standard zajema dvovaljne gnetilnike, kot so opredeljeni v točki 3.1.
Ta evropski standard ne obravnava zasnove lokalnega izpušnega prezračevalnega sistema, ki je lahko nujna pri določenih vrstah uporabe stroja, ki niso znane proizvajalcu.
Ta evropski standard se ne uporablja za dvovaljne gnetilnike, ki so bili izdelane pred datumom objave tega standarda kot evropskega standarda.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2024
Stroji za predelavo gume in plastike - Dvovaljni gnetilniki - Varnostne zahteve
Plastics and rubber machines - Two-roll mills - Safety requirements
Kunststoff- und Gummimaschinen - Walzwerke - Sicherheitsanforderungen
Machines pour les matières plastiques et le caoutchouc - Mélangeurs à cylindres -
Prescriptions de sécurité
Ta slovenski standard je istoveten z: EN 1417:2023
ICS:
83.200 Oprema za gumarsko Equipment for the rubber and
industrijo in industrijo plastics industries
polimernih materialov
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 1417
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2023
EUROPÄISCHE NORM
ICS 83.200 Supersedes EN 1417:2014
English Version
Plastics and rubber machines - Two-roll mills - Safety
requirements
Machines pour les matières plastiques et le caoutchouc Kunststoff- und Gummimaschinen - Walzwerke -
- Mélangeurs à cylindres - Prescriptions de sécurité Sicherheitsanforderungen
This European Standard was approved by CEN on 18 September 2023.
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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1417:2023 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction. 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions. 8
4 Safety requirements and/or protective/risk reduction measures . 12
4.1 General . 12
4.2 Control systems . 12
4.2.1 General . 12
4.2.2 Starting . 12
4.2.3 Normal stopping . 12
4.2.4 Emergency stop . 12
4.2.5 Failure of power supply . 13
4.3 Mechanical hazards . 13
4.3.1 Requirements applicable to all types of two-roll mills . 13
4.3.2 Specific requirements applicable to large two-roll mills (D > 200 mm) . 19
4.3.3 Specific requirements applicable to small two-roll mills (D ≤ 200 mm) . 24
4.4 Electrical hazards . 29
4.4.1 Electrical shock or burns caused by direct or indirect contact with live parts . 29
4.4.2 Electrical shock, or fire due to electrostatic discharge . 29
4.5 Hazards due to electromagnetic interference . 29
4.6 Thermal hazards . 29
4.7 Hazards caused by gases, dusts or vapours hazardous to health . 30
4.8 Hazards generated by neglecting ergonomic principles. 30
4.9 Hazards generated by noise . 30
4.9.1 Main noise sources . 30
4.9.2 Noise reduction at source by design . 30
4.9.3 Noise reduction by devices . 30
4.9.4 Information connected with noise hazards . 30
4.10 Hazards due to unexpected start-up . 30
4.11 Hydraulic and pneumatic equipment . 30
5 Verification of safety requirements and/or protective/risk reduction measures. 31
6 Information for use . 34
6.1 General . 34
6.2 Instruction handbook . 34
6.2.1 General . 34
6.2.2 Two-roll mills equipped with a trip bar as in 4.3.2.1 . 35
6.2.3 Two-roll mills equipped with a trip device as in 4.3.3.3 . 35
6.2.4 Two-roll mills equipped with light curtains as in 4.3.3.4.3 . 36
6.2.5 Laboratory two roll mills . 36
6.2.6 Noise emission . 36
6.3 Marking . 36
6.4 Warning notice/signs on two-roll mills equipped with a trip bar as in 4.3.2.1 . 37
6.5 Warning notice/signs on two-roll mills equipped with a trip device as in 4.3.3.3 . 37
Annex A (informative) List of significant hazards . 38
Annex B (normative) Positioning of the trip devices specified in 4.3.3.4.2. 42
B.1 Production applications . 42
B.2 Laboratory applications . 45
Annex C (normative) Noise test code. 46
C.1 General . 46
C.2 Determination of the A-weighted emission sound pressure level at the workstation . 46
C.2.1 Basic standards and measurement procedure . 46
C.2.2 Measurement uncertainty . 47
C.3 Determination of the A-weighted sound power level . 47
C.3.1 Basic standards and measurement procedure . 47
C.3.2 Measurement uncertainty . 47
C.4 Mounting and operating conditions . 47
C.5 Information to be recorded and reported . 48
C.5.1 General . 48
C.5.2 General data . 48
C.5.3 Mounting and operating conditions . 48
C.5.4 Standards . 48
C.5.5 Noise data . 49
C.6 Declaration and verification of noise emission values . 49
Annex D (informative) Positioning of trip bar . 52
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered . 53
Bibliography . 56
European foreword
This document (EN 1417:2023) has been prepared by Technical Committee CEN/TC 145 “Plastics and
rubber machines”, 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 May 2024, and conflicting national standards shall be
withdrawn at the latest by November 2024.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 1417:2014.
In comparison with the previous edition EN 1417:2014, the following technical modifications have been
made:
a) the structure of the document has been modified;
b) covered ancillary equipment has been clarified in the scope;
c) the list of significant hazards has been moved to an informative annex;
d) technical developments in safeguards have been taken into account;
e) revised type-A and type-B standards have been taken into account;
f) the class of intermediate two-roll mills (requirements integrated in large and/or small two-roll mills)
has been removed;
g) requirements for braking system have been adapted to the state of the art;
h) requirements for trip bar have been modified;
i) hazard and measures related to secondary roller have been added;
j) requirements for small mill rolls have been modified.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
Any feedback and questions on this document should be directed to the users’ national
...
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