EN 12331:2021
(Main)Food processing machinery - Mincing machines - Safety and hygiene requirements
Food processing machinery - Mincing machines - Safety and hygiene requirements
This document specifies requirements for the design and manufacture of mincing machines (see Figure 1).
The mincing machines (hereinafter referred to as machine) covered by this document are used for size reduction of fresh or frozen meat, meat products and fish (hereinafter referred to as product) by cutting in a set of cutting tools.
Household machines are not included in this document. Filling mincers are covered by EN 12463 “Food processing machinery — Filling machines and auxiliary machines — Safety and hygiene requirements”.
This document applies only to machines that are manufactured after the date of issue of this document.
This document covers:
a) professional machines (see Figure 1 a) used for on-demand preparation in shops and/or restaurants characterized by all of the following features (if any of the features is missing the machine is considered an industrial machine):
1) designed as a table-top machine;
2) having a feed tray;
3) the product is only fed manually;
4) is only operated from the ground;
5) is operated by no more than one operator;
6) with full visibility and full accessibility of the entire machine from the operator workstation;
7) having hole plate diameter ≤ 106 mm;
8) a worm casing set which is removable without using any tools;
9) the weight of the worm casing set ≤ 15 kg;
NOTE The table-top machine can be equipped with a frame or base, so no separate table is needed.
b) industrial machines (see Figure 1 b) used for industrial mass production, and which cannot be characterized as a professional machine.
This document does not describe the specific requirements for the control of machines with foot switch.
This document does not describe the specific requirements for additional mixing screws in the feed intake hopper which are covered by EN 13570:2005+A1:2010 “Food processing machinery — Mixing machines — Safety and hygiene requirements”.
Figure 1 - Examples of machines
This document covers the following types of machines:
- machine with feed tray, feed intake and pusher (see Figure 3);
- machine with feed tray, feed intake, restrictor plate and pusher (see Figure 4);
- machine with feed intake hopper, protective cover and feeding screw (see Figure 6);
- machine with feed intake hopper, with or without protective cover, feeding screw, with loading device (continuously or discontinuously).
Machines comprise a machine base, a worm casing with a worm, a feed tray (with feed intake) or a feed intake hopper, a set of cutting tools, a lock nut, a drive motor. They will also have various safeguarding devices as examples in Clause 4.
Machines can be equipped e.g. with:
- an extraction claw;
- an ejector or extractor;
- a protective hood over the discharge outlet;
- a protective cover over the inlet opening of the feed intake hopper;
- a transport carriage for the lock nut, the set of cutting tools, the worm and the feeding screw;
- a lifting device for the lock nut, the set of cutting tools, the worm and the feeding screw;
- a loading device.
The product is fed manually or with a loading device into the machine. The product is fed to the worm either by a pusher or a feeding screw and reduced in size by a set of cutting tools.
This document specifies all significant hazards, hazardous situations and events relevant to machines, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Annex D).
This document specifies the hazards which can arise during commissioning, operation, cleaning, use, maintenance and decommissioning of the machine.
Nahrungsmittelmaschinen - Wölfe - Sicherheits- und Hygieneanforderungen
Dieses Dokument legt Anforderungen an die Konstruktion und Herstellung von Wölfen (siehe Bild 1) fest.
Die von diesem Dokument erfassten Wölfe (nachfolgend als Maschinen bezeichnet) werden für die Zerkleinerung von frischem oder gefrorenem Fleisch, Fleischprodukten und Fisch (nachfolgend als Produkt bezeichnet) durch Zerschneiden in einem Schneidsatz verwendet.
Haushaltsgeräte sind nicht in diesem Dokument eingeschlossen. Füllwölfe werden in EN 12463 „Nahrungsmittelmaschinen - Füllmaschinen und Vorsatzmaschinen - Sicherheits- und Hygieneanforderungen“ behandelt.
Dieses Dokument gilt nur für Maschinen, die nach dem Ausgabedatum dieses Dokuments hergestellt werden.
Dieses Dokument behandelt:
a) professionelle Maschinen (siehe Bild 1 a), die in Läden oder Restaurants für die Herstellung nach Bedarf verwendet werden und sich durch die folgenden Merkmale auszeichnen (wenn eines der Merkmale nicht erfüllt ist, wird die Maschine als industrielle Maschine betrachtet):
1) konstruiert als Tischmaschine;
2) mit Einfüllschale;
3) das Produkt wird nur manuell eingebracht;
4) wird nur vom Boden aus betrieben;
5) wird von nicht mehr als einem Bediener betrieben;
6) die gesamte Maschine ist vom Arbeitsbereich des Bedieners vollständig einsehbar und vollständig zugänglich;
7) hat einen Lochscheibendurchmesser ≤ 106 mm;
8) ein Schneckengehäusesatz, der ohne Einsatz von Werkzeugen ausbaubar ist;
9) das Gewicht des Schneckengehäusesatzes liegt bei ≤ 15 kg;
ANMERKUNG Die Tischmaschine kann mit einem Rahmen oder einem Sockel ausgestattet sein, sodass kein separater Tisch erforderlich ist.
b) industrielle Maschinen (siehe Bild 1 b), die für industrielle Massenherstellung eingesetzt werden und die sich nicht als professionelle Maschine charakterisieren lassen.
Dieses Dokument beschreibt keine speziellen Anforderungen an die Steuerung von Maschinen mittels Fußschalter.
Dieses Dokument beschreibt keine speziellen Anforderungen an zusätzliche Mengwellen im Einfülltrog, die von EN 13570:2005+A1:2010 „Nahrungsmittelmaschinen - Mischmaschinen - Sicherheits- und Hygieneanforderungen” behandelt werden.
[...]
Machines pour les produits alimentaires - Hachoirs - Prescriptions relatives à la sécurité et l'hygiène
Le présent document spécifie les prescriptions relatives à la conception et à la fabrication des hachoirs (voir Figure 1).
Les hachoirs (ci-après désignés « machines ») couverts par le présent document sont utilisés pour hacher de la viande fraîche ou congelée, des produits à base de viande et du poisson (ci-après désignés « produit »), la coupe étant effectuée dans un jeu d’outils de coupe.
Les machines à usage domestique ne sont pas couvertes par le présent document. Les poussoirs sont couverts par l’EN 12463 « Machines pour les produits alimentaires " Machines à pousser et machines auxiliaires " Prescriptions relatives à la sécurité et à l’hygiène ».
Le présent document ne s’applique qu’aux machines fabriquées après sa date de publication.
Le présent document traite des :
a) machines professionnelles (voir Figure 1 a) utilisées pour la préparation à la demande dans les magasins et/ou les restaurants et caractérisées par toutes les caractéristiques suivantes (si l'une des caractéristiques est manquante, la machine est considérée comme une machine industrielle) :
i) conçues comme machines de table ;
ii) équipées d’un plateau de chargement ;
iii) le produit est uniquement chargé manuellement ;
iv) uniquement utilisées au sol ;
v) n’étant pas exploitées par plus d’un opérateur ;
vi) offrant une visibilité totale et une accessibilité totale de l'ensemble de la machine depuis le poste de travail de l'opérateur ;
vii) dont le diamètre de la grille perforée est ≤ 106 mm ;
viii) avec un corps de hachoir qui est amovible sans outil ;
ix) dont le poids du corps de hachoir est ≤ 15 kg ;
NOTE La machine de table peut être équipée d'un bâti ou d'un socle, de sorte qu'aucune table séparée n'est nécessaire.
b) machines industrielles (voir Figure 1 b) utilisées pour la production industrielle de masse, et qui ne peuvent pas être qualifiées de machines professionnelles.
Le présent document ne décrit pas les exigences spécifiques pour les machines avec commandes aux pieds.
Le présent document ne décrit pas les prescriptions spécifiques pour les vis mélangeuses supplémentaires dans la trémie de chargement qui sont couvertes par l’EN 13570:2005+A1:2010 « Machines pour les produits alimentaires — Malaxeurs — Prescriptions relatives à la sécurité et à l'hygiène ».
Le présent document couvre les types de machines suivants :
- machine avec plateau de chargement, goulotte de chargement et poussoir (voir Figure 3) ;
- machine avec plateau de chargement, goulotte de chargement, grille protectrice et poussoir (voir Figure 4) ;
- machine avec trémie de chargement, capot de protection et vis de chargement (voir Figure 6) ;
- machine avec trémie de chargement, avec ou sans protecteur mobile en sortie de hachoir, vis de chargement, avec dispositif de chargement (en continu ou discontinu).
Les machines comprennent un socle, un corps de hachoir avec une vis d'acheminement, un plateau de chargement (avec goulotte de chargement) ou une trémie de chargement, un jeu d’outils de coupe, un écrou de corps, un moteur d'entraînement et, suivant le type de machine, des composants électriques, hydrauliques et pneumatiques. Elles comprennent également plusieurs dispositifs de sécurité donnés en exemple à l’Article 5.
...
Stroji za predelavo hrane - Stroji za mletje mesa - Varnostne in higienske zahteve
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2021
Nadomešča:
SIST EN 12331:2015
Stroji za predelavo hrane - Stroji za mletje mesa - Varnostne in higienske zahteve
Food processing machinery - Mincing machines - Safety and hygiene requirements
Nahrungsmittelmashinen - Wölfe - Sicherheits- und Hygieneanforderungen
Machines pour les produits alimentaires - Hachoirs - Prescriptions relatives à la sécurité
et l'hygiène
Ta slovenski standard je istoveten z: EN 12331:2021
ICS:
67.260 Tovarne in oprema za živilsko Plants and equipment for the
industrijo food industry
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 12331
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2021
EUROPÄISCHE NORM
ICS 67.260 Supersedes EN 12331:2015
English Version
Food processing machinery - Mincing machines - Safety
and hygiene requirements
Machines pour les produits alimentaires - Hachoirs - Nahrungsmittelmaschinen - Wölfe - Sicherheits- und
Prescriptions relatives à la sécurité et l'hygiène Hygieneanforderungen
This European Standard was approved by CEN on 23 May 2021.
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, Turkey 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12331:2021 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 8
3 Terms and definitions . 9
4 Safety requirements and/or measures . 13
4.1 General . 13
4.2 Mechanical safety . 13
4.3 Electrical hazards . 27
4.4 Stability of the machine . 29
4.5 Noise reduction . 30
4.6 Hazards from use of gases (N2, CO2 and steam) . 31
4.7 Ergonomic requirements . 31
4.8 Hygiene and cleaning . 32
5 Verification of safety requirements and/or measures . 34
6 Information for use . 36
6.1 General . 36
6.2 Operating instructions . 36
6.3 Marking . 38
Annex A (normative) Noise test code for mincing machines (grade 2) . 40
A.1 Emission sound pressure level determination . 40
A.2 Determination of the sound power level . 40
A.3 Installation and mounting conditions . 40
A.4 Operating conditions . 40
A.5 Measurement . 41
A.6 Information to be recorded . 41
A.7 Information to be reported . 41
A.8 Measurement uncertainty . 42
A.9 Declaration and verification of the noise emission values . 42
Annex B (normative) Design principles to ensure cleanability of mincing machines . 44
B.1 Definition . 44
B.2 Materials . 44
B.3 Design . 44
Annex C (informative) Performance level required . 49
Annex D (informative) List of significant hazards . 50
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2006/42/EC aimed to be covered . 51
Bibliography . 53
European foreword
This document (EN 12331:2021) has been prepared by Technical Committee CEN/TC 153 “Machinery
intended for use with foodstuffs and feed”, 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 February 2022 and conflicting national standards shall
be withdrawn at the latest by February 2022.
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 12331:2015.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of
EU Directive(s) / Regulation(s).
For relationship with EU Directive(s) / Regulation(s), see informative Annex ZA, which is an integral part
of this document.
The significant changes with respect to the previous edition EN 12331:2015 are listed below:
— for better distinction, two types of mincing machines are defined: professional and industrial;
— the requirements have been specified and revised with regard to the two types of mincing machine
(professional and industrial).
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
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, 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, Turkey and the United
Kingdom.
Introduction
This document is a type-C-standard as stated in EN ISO 12100.
This document is of relevance, in particular for the following stakeholder groups representing the market
players with regard to machinery safety:
— machine manufacturers (small, medium and large enterprises);
— health and safety bodies (regulators, accident prevention organizations, market surveillance, etc.).
Others can be affected by the level of machinery safety achieved with the means of the document by the
above-mentioned stakeholder groups:
— machine users/employers (small, medium and large enterprises);
— machine users/employees (e.g. trade unions, organizations for people with special needs);
— service providers, e.g. for maintenance (small, medium and large enterprises);
— consumers (in the case of machinery intended for use by consumers).
The above-mentioned stakeholder groups have been given the possibility to participate at the drafting
process of this document.
The machinery concerned and the extent to which hazards, hazardous situations and hazardous events
are covered are indicated in the scope of this document.
When provisions of this type-C-standard are different from those which are stated in type-A- or -B-
standards, the provisions of this type-C-standard take precedence over the provisions of the other
standards, for machines that have been designed and built according to the provisions of this type-C-
standard.
1 Scope
This document specifies requirements for the design and manufacture of mincing machines (see
Figure 1).
The mincing machines (hereinafter referred to as machine) covered by this document are used for size
reduction of fresh or frozen meat, meat products and fish (hereinafter referred to as product) by cutting
in a set of cutting tools.
Household machines are not included in this document. Filling mincers are covered by EN 12463 “Food
processing machinery — Filling machines and auxiliary machines — Safety and hygiene requirements”.
This document applies only to machines that are manufactured after the date of issue of this document.
This document covers:
a) professional machines (see Figure 1 a) used for on-demand preparation in shops and/or restaurants
characterized by all of the following features (if any of the features is missing the machine is
considered an industrial machine):
1) designed as a table-top machine;
2) having a feed tray;
3) the product is only fed manually;
4) is only operated from the ground;
5) is operated by no more than one operator;
6) with full visibility and full accessibility of the entire machine from the operator workstation;
7) having hole plate diameter ≤ 106 mm;
8) a worm casing set which is removable without using any tools;
9) the weight of the worm casing set ≤ 15 kg;
NOTE The table-top machine can be equipped with a frame or base, so no separate table is needed.
b) industrial machines (see Figure 1 b) used for industrial mass production, and which cannot be
characterized as a professional machine.
This document does not describe the specific requirements for the control of machines with foot switch.
This document does not describe the specific requirements for additional mixing screws in the feed intake
hopper which are covered by EN 13570:2005+A1:2010 “Food processing machinery — Mixing machines
— Safety and hygiene requirements”.
a) Professional machine with feed tray and b) Industrial machine with feed intake hopper,
restrictor plate protective cover and feeding screw
Key
1 lock nut 6 feed intake 11 feed intake hopper 16 protective hood
2 hole plate 7 pusher 12 feeding screw 17 worm
3 blade 8 restrictor plate 13 protective cover 18 machine rack
4 worm 9 feed tray 14 on-/off-switch with 19 loading device
protective hood
...
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