SIST EN 1678:2000+A1:2010
(Main)Food processing machinery - Vegetable cutting machines - Safety and hygiene requirements
Food processing machinery - Vegetable cutting machines - Safety and hygiene requirements
This European Standard specifies the safety and hygiene requirements for the design and manufacture of vegetable cutting machines which are transportable and have a maximum rated power less than 3 kW. This European Standard deals with machines intended for cutting, shredding, dicing, chipping and grating of food products in which the product passes through the machine. As described in 3.2.1, the types of machines in the scope are machines with a fixed chamber and rotating blade or cutting disc, with a rotating drum and fixed blades or machines with horizontal reciprocating cutters (mainly used for potato chipping). This European Standard specifies all significant hazards, hazardous situations and events relevant to vegetable cutting machines, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4). This European Standard deals with the hazards which can arise during commissioning, operation, cleaning, removal of food blockages, feeding, changing the tools, maintenance and decommissioning of the machine..
Nahrungsmittelmaschinen - Gemüseschneidemaschinen - Sicherheits- und Hygieneanforderungen
Machines pour les produits alimentaires - Coupe-légumes - Prescriptions relatives à la sécurité et à l'hygiène
1.1 !La présente Norme européenne spécifie les prescriptions de sécurité et d'hygiène pour la conception et la
fabrication de coupe-légumes pouvant être transportés et ayant une puissance nominale maximale inférieure à 3 kW.
La présente Norme européenne traite des machines destinées à couper, découper en lanières, en dés, en frites
et à râper des produits alimentaires qui traversent l’appareil.
Comme décrit en 3.2.1, les machines relevant du domaine d’application sont des machines qui disposent d'une
chambre fixe équipée d'un couteau ou d'un disque coupant rotatifs, des machines à tambour rotatif et couteaux fixes,
ou des machines principalement destinées à découper les frites à l’aide de couteaux effectuant un mouvement
alternatif horizontal.
1.2 La présente Norme européenne traite de tous les phénomènes, situations et événements dangereux
significatifs spécifiques aux coupe-légumes, lorsqu'ils sont utilisés normalement et dans des conditions de mauvaises
utilisation raisonnablement prévisibles par le fabricant (voir Article 4).
La présente Norme européenne traite des phénomènes dangereux pouvant survenir durant la mise en service,
le fonctionnement, le nettoyage, le débourrage, l’alimentation, le changement des outils, la maintenance et la mise
hors service de la machine.
1.3 La présente Norme européenne ne s’applique pas aux machines suivantes :
- préparateurs culinaires (voir EN 12852) ;
- éplucheuses à légumes (voir EN 13208) ;
- les accessoires de coupe montés sur des machines ayant une prise de mouvement auxiliaire (voir EN 12851) ;
- les batteurs-mélangeurs (voir EN 454) ;
- les machines à usage domestique.
1.4 La présente Norme européenne n’est pas applicable aux coupe-légumes fabriqués avant la date de
publication du présent document en tant qu'EN."
Stroji za predelavo hrane - Stroji za rezanje zelenjave - Varnostne in higienske zahteve (vključno z dopolnilom A1)
Ta evropski standard določa varnostne in higienske zahteve za načrtovanje in izdelavo strojev za rezanje zelenjave, ki so premični in imajo najvišjo nazivno moč nižjo kot 3kW. Ta evropski standard obravnava stroje, namenjene rezanju, strganju, rezanju v kocke, rezanje na rezine in strganju živil, pri katerih proizvod gre skozi stroj. Kot je opisano v 3.2.1., so vrste strojev, ki jih obravnava, stroji z fiksno posodo in rotirajočim rezilom ali rezilnim diskom, z rotirajočim bobnom in fiksnimi rezili ali stroji s horizontalnimi izmeničnimi rezili (uporaba v glavnem za rezanje krompirja na rezine). Ta evropski standard obravnava vse velike nevarnosti, nevarne situacije in primere, ki se tičejo strojev za rezanje zelenjave, kadar se uporabljajo, kot predvideno, in pod pogoji napačne uporabe, ki jih razumno predvidi proizvajalec (glej Klavzulo 4). Ta evropski standard se ukvarja z nevarnostmi, ki se lahko pojavijo med zagonom, delovanjem, čiščenjem, odstranitvijo blokad hrane, polnjenjem, menjavo orodij, vzdrževanjem in izločitvijo naprave iz uporabe.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Nahrungsmittelmaschinen - Gemüseschneidemaschinen - Sicherheits- und HygieneanforderungenMachines pour les produits alimentaires - Coupe-légumes - Prescriptions relatives à la sécurité et à l'hygièneFood processing machinery - Vegetable cutting machines - Safety and hygiene requirements67.260Tovarne in oprema za živilsko industrijoPlants and equipment for the food industryICS:Ta slovenski standard je istoveten z:EN 1678:1998+A1:2010SIST EN 1678:2000+A1:2010en,fr,de01-oktober-2010SIST EN 1678:2000+A1:2010SLOVENSKI
STANDARD
SIST EN 1678:2000+A1:2010
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1678:1998+A1
May 2010 ICS 67.260 Supersedes EN 1678:1998English Version
Food processing machinery - Vegetable cutting machines - Safety and hygiene requirements
Machines pour les produits alimentaires - Coupe-légumes -Prescriptions relatives à la sécurité et à l'hygiène
Nahrungsmittelmaschinen - Gemüseschneidemaschinen - Sicherheits- und Hygieneanforderungen This European Standard was approved by CEN on 28 February 1998 and includes Amendment 1 approved by CEN on 9 April 2010.
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, Croatia, 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 © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1678:1998+A1:2010: ESIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 2 Contents Page Foreword .3Introduction .41Scope .42!Normative references" .53!Terms and definitions – Description .53.1Terms and definitions" .53.2Description .64!List of significant hazards" .94.1General .94.2Mechanical hazards .94.3Electrical hazards . 104.4Hazards generated by neglecting hygiene principles in the machine design . 104.5Hazards generated by neglecting ergonomic principles in machine design . 105Safety and hygiene requirements and/or measures . 105.1!General" . 105.2Mechanical hazards . 105.3!Electrical hazards" . 165.4Hygiene . 175.5Ergonomics . 196Verification of the safety and hygiene requirements and/or measures . 207Information for use . 207.1!General" . 207.2Instruction handbook . 217.3Marking . 23Annex A (normative)
Noise test code for vegetable cutting machines (Grade 2 of accuracy) . 24Annex B (normative)
Principles of design to ensure the cleanability of vegetable cutting machines . 26Annex C (normative)
Probes for specific tests . 45Annex ZA (informative)
!Relationship between this European Standard and the
Essential Requirements of EU Directive 2006/42/EC" . 48!Bibliography . 49 SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 3 Foreword !This document (EN 1678:1998+A1:2010) 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 November 2010, and conflicting national standards shall be withdrawn at the latest by November 2010. This document includes Amendment 1, approved by CEN on 2010-04-09. This document supersedes EN 1678:1998. The start and finish of text introduced or altered by amendment is indicated in the text by tags!"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. It is one of a series of standards on the design and construction of machines used in catering. !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(s), see informative Annex ZA, which is an integral part of this document." According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, 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 1678:1998+A1:2010 (E) 4 Introduction The use of vegetable cutting machines involves various mechanical and other hazards. Their extensive use justifies the need of a standard covering both safety and the hazards to food hygiene arising from machine design. !This European Standard is a type C standard as stated in EN ISO 12100. The machinery concerned and the extend 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." 1 Scope ! 1.1 This European Standard specifies the safety and hygiene requirements for the design and manufacture of vegetable cutting machines which are transportable and have a maximum rated power less than 3 kW. This European Standard deals with machines intended for cutting, shredding, dicing, chipping and grating of food products in which the product passes through the machine. As described in 3.2.1, the types of machines in the scope are machines with a fixed chamber and rotating blade or cutting disc, with a rotating drum and fixed blades or machines with horizontal reciprocating cutters (mainly used for potato chipping). 1.2 This European Standard specifies all significant hazards, hazardous situations and events relevant to vegetable cutting machines, when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4). This European Standard deals with the hazards which can arise during commissioning, operation, cleaning, removal of food blockages, feeding, changing the tools, maintenance and decommissioning of the machine. 1.3 This European Standard does not apply to: food processors (see EN 12852); vegetable peelers (see EN 13208); vegetable cutting attachments which are mounted onto machines having an auxiliary drive hub (see
EN 12851); planetary mixers (see EN 454); domestic machines. 1.4 This European Standard is not applicable to vegetable cutting machines which are manufactured before the date of its publication as EN." SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 5 2 !Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 614-1:2006, Safety of machinery — Ergonomic design principles — Part 1: Terminology and general principles EN 953, Safety of machinery — Guards — General requirements for the design and construction of fixed and movable guards EN 1088:1995, Safety of machinery — Interlocking devices associated with guards — Principles for design and selection EN 1672-2:2005, Food processing machinery — Basic concepts — Part 2: Hygiene requirements EN 60204-1:2006, Safety of machinery — Electrical equipment of machines — Part 1: General requirements (IEC 60204:2005, modified) EN 60529:1991, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) EN ISO 3744:1995, Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994) EN ISO 4287:1998, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters (ISO 4287:1997) EN ISO 4871:1996, Acoustics — Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996) EN ISO 11201:1995, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at the work station and at other specified positions — Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995) 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 and specifications (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 13857:2008, Safety of machinery — Safety distances to prevent danger zones being reached by upper and lower limbs (ISO 13857:2008)" 3 !Terms and definitions – Description 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 12100-1:2003 and the following apply. SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 6 3.1.1 pusher device device assisting feeding, hinged to the hopper and interlocked so when withdrawn from the hopper the machine stops. It prevents access to the danger zone when in the working position 3.1.2 plunger device device assisting feeding, which is removable" 3.2 Description 3.2.1 Machines covered by the standard This standard covers the three following types of machine including combinations of them: 3.2.1.1 Machines with rotating cutting devices Such machines contain the rotating cutting devices in a fixed chamber. Product is fed into the top of the chamber, typically through a feed hopper and assisted by a pusher or plunger device (see figure 1).
Key 1 Body 2 Electric motor 3 Delivery chute 4 Cutting device 5 Shaft 6 Plunger (removable) 7 Pusher device 8 Feed chute 9 Fixed plate 10 Ejector Figure 1 SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 7 3.2.1.2 Machines with rotary drum These machines generally have a hopper method of feeding product to a rotating drum. As the product is held against the outside wall by the spinning drum so it comes into contact with a fixed cutting device (see
figure 2).
Key 1 Body 2 Motor 3 Delivery chute 4 Cutting device 5 Shaft 6 Rotating drum 7 Fixed grid 8 Feed hopper
Figure 2 3.2.1.3 Machines with horizontal reciprocating cutters These machines are used extensively for chipping potatoes. Raw potatoes are fed from a hopper into the cutting chamber containing fixed plates and reciprocating plates and cutting devices (see figure 3).
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Key 1 Body 2 Feed hopper 3 Delivery chute 4 Reciprocating cutters 5 Fixed plate 6 Reciprocating plate 7 Baffles Figure 3 3.2.2 Elements of a machine (see figures 1, 2 and 3) All machines generally contain the following elements of design: a device for feeding product into the machine; one or several tools: cutting plates or blades, hereafter called "cutting devices". A cutting plate or blade consists of one or more cutting edges fixed to a frame. Fixed cutting blades may be installed in conjunction with moving plates; an ejector; a delivery chute; control devices. 3.2.3 Devices for feeding Three devices for feeding product are used: 3.2.3.1 Hopper feed The product is fed to the cutter from the hopper generally by gravity and/or by feeding devices. SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 9 3.2.3.2 Pusher feed Here a small amount of product is fed into a feed chute and assisted to the cutters by pressure on the pusher device. 3.2.3.3 Plunger feed Here product is manually fed to the cutting device. It is assisted with a plunger. Typically the feeding is done through a narrow feed chute. Often machines have both pusher and plunger feed so that the operator can select the most suitable operation according to the food product being cut. 4 !List of significant hazards 4.1 General 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." 4.2 Mechanical hazards 4.2.1 Access to the danger zones Mechanical hazards arise from the risk of contact with the cutting devices and the associated rotating parts. The hazards may be reached by: Zone 1: access down the feed chute/hopper; Hazard of cutting and drawing-in, Zone 2: access when opening the machine to expose the cutter or drum. Typically this is when cleaning the machine or changing the cutting device. Hazard of cutting and drawing-in; Zone 3: access through the delivery chute; Hazard of crushing and drawing-in; Zone 4: access to the driving mechanism; Hazard of crushing and drawing-in. 4.2.2 Loss of stability Hazards of crushing and impact. 4.2.3 Incorrect assembly and fitting Hazard of cutting and impact for fingers or hands. SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 10 4.2.4 Handling, cleaning and storage of cutting devices Hazard of cutting and impact. 4.3 Electrical hazards Hazard of shock by direct or indirect contact with live parts. 4.4 Hazards generated by neglecting hygiene principles in the machine design Inability to clean food contact and splash areas effectively and thoroughly. Contamination of the food by undesirable materials including residues of food, microbiological causes as well as residues of cleaning and disinfecting fluids. 4.5 Hazards generated by neglecting ergonomic principles in machine design Lack of ergonomic principles can be anything that causes wrong operation of controls, physical damage due to over-reaching, heavy loads, awkward posture, etc. !deleted text" 5 Safety and hygiene 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 12100-2 for relevant but not significant hazards, which are not dealt with by this document. For hazards which are to be reduced by the application of the type B-standards such as EN 614-1, EN 953, EN 1088, EN 60204-1, EN 60529, EN ISO 12100, EN ISO 13849-1 and EN ISO 13857, the manufacturer shall carry out a risk assessment to establish the requirements of the type B-standard. This specific risk assessment shall be part of the general risk assessment of the machine." 5.2 Mechanical hazards 5.2.1 !General All the interlocking devices associated with guards shall comply with EN 1088:1995. The safety related parts of the control systems shall meet at least performance level c and category 1 in accordance with EN ISO 13849-1:2008. NOTE The category 1 in accordance with EN ISO 13849-1:2008 is equivalent to category 1 of EN 954-1:1996." SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 11 5.2.2 Access to the danger zones 5.2.2.1 Zone 1 5.2.2.1.1 Objective The safeguarding objective is to prevent contact by the operator (or other person) reaching down the feed openings and coming into contact and being injured by the cutting device. 5.2.2.1.2 General All three devices for feeding (hopper, plunger and pusher) consist of an opening which could give access to the cutting devices. The level of hazard is in relationship with the size of each feeding device. Requirements of table 4 of !EN ISO 13857:2008" should be fulfilled to prevent any access to the cutting devices with the upper limbs. !See also 5.2.2.1.4." Nevertheless, in order to comply with particular specificities of use, like: dimensions and diversity of food products to be processed (vegetable, fruits,…); height of loading and of discharge chute; ratio performance/compactness; cleanability; and taking into account risk assessment, one of the solutions !given in 5.2.2.1.3 and 5.2.2.1.4" shall be taken. 5.2.2.1.3 Feeding by plunger or pusher The dimensions of the feed chute shall conform to the table 1: Table 1 Dimensions in millimetres Maximum dimension of the opening of feed tube (b) Safety reach distance between the edge of the hopper and the blade (a) For cutting gap depth ≤ 10 For cutting gap depth > 10 ≤ 55 ≥ 120 ≥ 120 ≤ 60 ≥ 130 ≥ 130 ≤ 70 ≥ 150 ≥ 230 ≤ 80 ≥ 150 a ≥ 230 with h ≥ 1400 (see figure 4) > 80 Pusher device with interlocking device
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Figure 4 5.2.2.1.3.1 In all cases where b is less than or equal to 80 mm and where the table 1 is used: A plunger shall be supplied, with all machines having a feed tube; Where machines are not dedicated to be used with cutting devices the height of which is greater than 10 mm, a notice in the instruction handbook shall be given. 5.2.2.1.3.2 For the case where b > 80 mm machines shall have an interlocking control guard pusher device, the interlocking switch shall be designed to meet the opening and closing and stopping time required as below. Where a pusher device is used, this can restart the machine without operating the on/off switch. For those machines the stopping time shall be less than 2 s. It shall be measured when the machine is running without product at its maximum speed and equipped with the heaviest cutting device. The safety interlocked switch shall be actuated when the gap (x) between the top of the aperture and the edge of the pusher is as shown in figure 5, where: x ≤ 60 mm for a ≥ 150 mm x ≤ 45 mm for 130 mm ≤ a < 150 mm SIST EN 1678:2000+A1:2010
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Key 1 Rotational motion 2 Translatory motion Figure 5a — Hinger pusher
Figure 5b — Sliding pusher Figure 5 5.2.2.1.4 Feeding by hopper !Designs which comply with 5.2 and 5.3 of EN ISO 12100-2:2003 and 4.2.3 of EN ISO 13857:2008 can be used, for example (see Figure 6):" baffles; sloping hopper; swan neck extension; ! fixed grids (opening to Table 4 of EN ISO 13857:2008);" interlocked hopper lid; SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 14 distributor plate.
Key a) Baffles b) Sloping hopper c) Swan neck extension d) Fixed grids e) Distributor plate Figure 6 SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 15 5.2.2.2 Zone 2 If the access is by control guard pusher device !(see 5.2.2.1.3)" the stopping time shall be less than 2 s. The parts giving rise to the mechanical hazard shall come to a complete stop within 4 s, of the access covers and/or hopper being opened sufficiently to actuate the interlocked switch. The parts giving access to the dangerous tools shall be interlocked !(see 5.2.1)". The opening of these parts shall stop the machine within 4 s. 5.2.2.3 Zone 3 The hazard shall be eliminated by design. This shall be achieved for rotating disc machines by contouring the underside of the cutter device or ejector plate such that the only contact would be with a smooth surface or one which would tend to deflect the fingers away from the area of the blade or other hazard (see figure 7). The deflector ridge shall have a radiused end to eliminate any trap between it and the machine casing.
Key 1 Blade 2 Ramp Figure 7 — Rotating disc In the case of rotating drum machines and horizontal reciprocating machines the design of the machine shall be such that only the underside of a fixed cutting device can be contacted and it is not possible to reach through this to the rotating drum or a moving cutter. 5.2.2.4 Zone 4 Safeguards against access to the danger zone shall be ensured by fixed guards complying with EN 953. 5.2.3 Stability The machine shall be stable when used as specified in the instruction handbook. The machine shall be preferably designed to be self-stable when fitted with each one of their attachments. SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 16 Machine fitted with castors shall have at least two castors (or sets of castors) fitted with a locking device. 5.2.4 Incorrect assembly and fitting The design of the machine shall ensure that detachable parts which provide safeguards in accordance with this standard – e.g. distributor plate, feed hopper, feed chute, pusher device and discharge chute shall be in the correct position before the machine can be set in motion e.g. by special mechanical design, position switches either with positive action or magnetic device !(see 5.2)". 5.2.5 Handling, cleaning and storage of cutting devices The risk is from cutting by the sharp edge and the manufacturer shall provide suitable instructions for the safe handling, cleaning and storage of the cutting devices. Where there is a foreseeable risk of cutting or impact the manufacturer shall provide a rack. 5.3 !Electrical hazards 5.3.1 General Electrical equipment, for example switches, that may be exposed to water, e.g. during cleaning, shall be protected to an appropriate IP rating according to EN 60529 and EN 60204-1. Electrical equipment shall comply with EN 60204-1 with specific requirements of 5.3 taking precedence. 5.3.2 Safety requirements related to electromagnetic phenomena The machines shall have sufficient immunity to electromagnetic disturbances to enable them to operate safely as intended and not fail to danger when exposed to the levels and types of disturbances foreseeable in use. The manufacturer of the machines shall design, install and wire the equipment and sub-assemblies taking into account the recommendations of the suppliers of these sub-assemblies. 5.3.3 Protection against electric shock The electrical equipment shall comply with Clause 6 of EN 60204-1:2006. 5.3.4 Power circuits Devices for detection and interruption of over-current shall be applied to each live conductor in compliance with EN 60204-1:2006, 7.2.3. In case of single phase machines, no such device is required for the earthed neutral conductor. 5.3.5 Protection against earth faults in control circuits For machinery supplied from a single-phase conductor and an earthed neutral conductor, there is no requirement for double pole interruption of the control circuit. The single pole interruption shall be in the phase conductor (see 9.4.3.1 of EN 60204-1:2006). 5.3.6 Emergency stop Machines shall be fitted with at least one emergency stop (see 10.7 of EN 60204-1:2006), as far as the risk assessment carried out by the manufacturer does not allow to establish that such a device would not reduce the stopping time, or would not enable the special measures, required to deal with the risk, to be taken. SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 17 In general no emergency stop is required for vegetable cutting machines. In this case particular attention shall be given to the accessibility of the normal OFF switch from the operator position. 5.3.7 Motor enclosures Where a motor has a degree of protection lower than IP23 it shall be mounted inside an enclosure (see 14.2 of EN 60204-1:2006) that guarantees a minimum degree of protection of IP23." 5.4 Hygiene 5.4.1 !General" The machine shall be designed in accordance with EN 1672-2, the requirements given below and in accordance with annex B. Hygiene zones are shown in figures 8, 9 and 10. 5.4.2 Food area The following parts shall be considered to be in the food area as defined in EN 1672-2: the plunger; the pusher; all cutting devices, rotors and mincer plates; the shafts; the ejectors; the feed and delivery chutes; the baffles; the internal channels. However some parts of the food area, for example cutting devices, fixed plates and the components are not easy to clean and special instructions shall be provided for cleaning !(see 7.2)". 5.4.3 Splash area The following parts shall be considered to be in the splash area as defined in EN 1672-2: some parts of the housing, particularly the feed and delivery chutes; sides of the machine which may be splashed with food; handles. 5.4.4 Non food area The non food area shall include any other areas other than splash areas and food areas outlined above. SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 18
3 4 5
Key 1 Feed hopper 2 Delivery chute 3 Food area 4 Splash area 5 Non food area Figure 8
Figure 9
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3 4 5
Key 1 Feed hopper 2 Delivery chute 3 Food area 4 Splash area 5 Non food area Figure 10
The figures are examples only and other areas which become splashed with food under normal conditions of use shall also be designed and finished as a splash area. 5.4.5 Surface finish The maximum roughness values shall comply with the requirements of annex B. 5.4.6 Cleanability All food and splash areas shall be easily cleanable and where necessary capable of disinfection. Baffles shall be constructed in such a way that they are easily cleanable and self-draining and their under surfaces designed so that they can be cleaned. In food and splash areas, fasteners such as screws, bolts, rivets etc. shall be avoided unless technically necessary, in which case, these shall be easily cleanable. 5.5 Ergonomics Regard shall be given to the ergonomic principles set out !in 4.8 of EN ISO 12100-2:2003 and
EN 614-1:2006". Any information necessary to achieve the ergonomic objectives which the user must follow (i.e. height of feed chute) shall be included in the instruction handbook. For machines other than those described in figure 4, instructions for the installation shall specify that the maximum loading level of hopper shall be less than 1,4 m. !deleted text" SIST EN 1678:2000+A1:2010
EN 1678:1998+A1:2010 (E) 20
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