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BRITISH STANDARD Food processing machinery Ð Vegetable cutting machines Ð Safety and hygiene requirements ICS 67.260 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BS EN 1678:1998 +A1:2010 BS EN 1678:1998+A1:2010 National foreword This British Standard is the UK implementation of EN 1678:1998+A1:2010 It supersedes BS EN 1678:1998 which is withdrawn The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the CEN amendment For example, text altered by CEN amendment A1 is indicated by !" The UK participation in its preparation was entrusted by Technical Committee MCE/3, Safeguarding of machinery, to Subcommittee MCE/3/5, Food industry machines A list of organizations represented on this subcommittee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application Compliance with a British Standard cannot confer immunity from legal obligations This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 August 1998 © BSI 2010 ISBN 978 580 62995 Amendments/corrigenda issued since publication Date Comments 31 July 2010 Implementation of CEN amendment A1:2010 EUROPEAN STANDARD EN 1678:1998+A1 NORME EUROPÉENNE EUROPÄISCHE NORM May 2010 ICS 67.260 Supersedes EN 1678:1998 English Version Food processing machinery - Vegetable cutting machines Safety and hygiene requirements Machines pour les produits alimentaires - Coupe-légumes Prescriptions relatives la sécurité et l'hygiène Nahrungsmittelmaschinen - Gemüseschneidemaschinen Sicherheits- und Hygieneanforderungen This European Standard was approved by CEN on 28 February 1998 and includes Amendment approved by CEN on 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: E BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Contents Page Foreword Introduction 4 1 Scope 2 !Normative references" 5 3 3.1 3.2 !Terms and definitions – Description 5 Terms and definitions" 5 Description .6 4 4.1 4.2 4.3 4.4 4.5 !List of significant hazards" 9 General Mechanical hazards .9 Electrical hazards 10 Hazards generated by neglecting hygiene principles in the machine design 10 Hazards generated by neglecting ergonomic principles in machine design 10 5 5.1 5.2 5.3 5.4 5.5 Safety and hygiene requirements and/or measures 10 !General" 10 Mechanical hazards 10 !Electrical hazards" 16 Hygiene 17 Ergonomics 19 6 Verification of the safety and hygiene requirements and/or measures 20 7 7.1 7.2 7.3 Information for use 20 !General" 20 Instruction handbook 21 Marking 23 Annex A (normative) Noise test code for vegetable cutting machines (Grade of accuracy) 24 Annex B (normative) Principles of design to ensure the cleanability of vegetable cutting machines 26 Annex C (normative) Probes for specific tests 45 Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC" 48 !Bibliography 49 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) 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 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) 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." 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 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." BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) !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)" 3.1 !Terms and definitions – Description Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 12100-1:2003 and the following apply BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) 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 10 Body Electric motor Delivery chute Cutting device Shaft Plunger (removable) Pusher device Feed chute Fixed plate Ejector Figure BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) 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 Body Motor Delivery chute Cutting device Shaft Rotating drum Fixed grid Feed hopper Figure 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) BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Key Body Feed hopper Delivery chute Reciprocating cutters Fixed plate Reciprocating plate Baffles Figure 3.2.2 Elements of a machine (see figures 1, 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 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) B.3.2.3 Surface assemblies and overlaps for non food area No particular requirements B.3.3 Attaching means B.3.3.1 Attaching means for food area !See 5.3.1.3 in EN 1672-2:2005." B.3.3.1.1 Spot-facing If construction requires the use of hexagon socket head screws embedded in a spot-face: either construction shall comply with the figure B.6 and the manufacturer in his instruction handbook can prescribe suitable cleaning facilities (e.g.: high pressure jet); Dimensions in millimetres Key Food area Figure B.6 or the manufacturer shall take the necessary steps to fill in the spot-face by sealed and lasting plugs corresponding to the requirements of the food area B.3.3.1.2 Pin drive systems Pin drive systems shall only be authorised if they are solid and assembled as flush as possible The manufacturer can establish an inspection procedure to ensure compliance with this requirement B.3.3.2 Fasteners for splash area The fasteners easily to be cleaned, shall be chosen amongst those on figure B.7 36 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Figure B.7 If construction requires the use of hexagon socket screws embedded in a spot-face hole, the design shall comply with: either a method complying with the principle of figure B.6 for the food area whereby manufacturer can specify in his instruction handbook the cleaning facilities that are required (e.g high pressure jet); or the manufacturer shall take all necessary measures to plug the spot-facing with sealed plugs B.3.3.3 Fasteners for non-food area No particular requirement B.3.4 Feet, support and bases for cleaning the machines underneath B.3.4.1 Table-top machines Table-top machines can be: B.3.4.1.1 No requirement shall be given for table-top machines which are portable by a single person (the force required to lift them less than or equal to 250 N) once all the removable elements have been disassembled for cleaning B.3.4.1.2 No requirement shall be given for tilting machines if the force required for tilting is less than or equal to the minimum portable weight However, the equipment shall be provided with specific elements for the tilting movement to ensure stability in the tilted position (suitable feet, gripping means, etc.) and the tilting procedure shall be clearly specified in the instruction handbook B.3.4.1.3 Non-portable and non-tilting The machines are provided either with feet or with a base To determine the minimum height (H) of the feet, the access distance (P) given in table B.3 permitting the cleaning of the positioning surfaces shall be considered (see figure B.8): 37 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Table B.3 Dimensions in millimetres P ≤ 120 H ≥ 50 120 < P ≤ 500 H ≥ 75 500 < P ≤ 650 H ≥ 100 P > 650 H ≥ 150 Dimensions in millimetres Figure B.8 — Tables to machines if the machine has no feet, it shall be placed on the working table with an interposed continuous and sealed joint The instruction handbook shall specify the jointing method 38 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) B.3.4.2 B.3.4.2.1 Machines on the floor Fixed machines with or without a base Either they shall be based on the floor with an interposed continuous and sealed joint, the instruction handbook shall specify the jointing method (see figure B.9.1), or their feet (H) shall be higher than or equal to 150 mm Figure B.9.1 Figure B.9.2 Figure B.9.3 However, if the space (L) to be cleaned is not deeper than 150 mm, the height H may be reduced to 100 mm as long as the various access possibilities are taken into account (see figure B.9.2) If the foot surface is greater than dm , the feet shall be considered to be a base (with interposed seal) (see figure B.9.3) 39 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) B.3.4.2.2 Mobile machines The castors shall be cleanable An example is given in figure B.10, where b is the greater width of the covering at the circumference of the wheel If b ≤ 25 mm, then a ≥ 3,5 mm If b > 25 mm, then a ≥ mm Figure B.10 — Example of cleanable castor B.3.5 Ventilation openings B.3.5.1 Ventilation openings for non food area Ventilation openings shall be in the non-food area The direction of any fluid flow shall prevent any infiltration or retention in the machine Whenever possible, for machines standing on the floor, a guard shall prevent access to rodents in all technical areas of the machine The smallest opening shall be less than or equal to mm in dimension B.3.5.2 Ventilation openings for splash area In case of technical constraints, ventilation openings may be in the splash area In such cases, they shall be designed to be cleanable 40 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Dimensions in millimetres Figure B.11 Whenever possible, for machines standing on the floor, a guard shall prevent access to rodents in any technical areas of the machine The smallest dimension of the opening (b) shall be less than or equal to mm (see figure B.11) B.3.6 Hinges Whenever possible, the manufacturer shall eliminate swivel points from the food area If their presence in the food area is technically necessary, then: they shall be easily removed; if they cannot be removed, all surfaces shall be accessible Assembly with a fixed part shall be made by a joint designed to prevent any infiltration Access to all these areas is acceptable when the passage width (l3) is greater than or equal to two times the depth (p) In no case this width (l3) shall be less than 10 mm (see figure B.12) 41 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Dimensions in millimetres Figure B.12 B.3.7 Control panel B.3.7.1 Control panel in the non-food area Normally, the control panel shall be in the non-food area and shall also be cleanable whenever possible B.3.7.2 Control panel in the splash area If it is not possible for technical reasons to place the control panel in the non-food area the various controls shall have easily cleanable surfaces The distance L between two elements shall be greater than or equal to: 20 mm (see figure B.13.1); 12,5 mm if their height h is less than or equal to mm (see figure B.13.2) If the above requirements cannot be complied with, controls shall be protected by a cap (see figure B.13.3) 42 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Dimensions in millimetres Figure B.13.1 Dimensions in millimetres Figure B.13.2 Figure B.13.3 B.4 Verification B.4.1 Materials The nature of materials shall be checked according to the manufacturer's declaration, the food suitability certificates of the suppliers and the reports of migration tests, where applicable If there is a suspicion that the equipment is insufficiently resistant to mechanical aggression for certain coatings or materials (scoring, shock, abrasion) or to chemical effects (acid or alkali agents, salt spray, etc.), it is up to the inspection laboratory to ask the manufacturer to run complementary tests by sampling The surface condition shall be checked in accordance with B.2 using a rugosimeter and/or by comparison with viso-tactile specimens B.4.2 Design The test shall be run according to drawings on the equipment by means of shims to defined dimensions and radii 43 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) B.5 Information for use B.5.1 Installation handbook The manufacturer shall give necessary instructions to permit access for cleaning B.5.2 Instruction handbook The manufacturer shall describe cleaning processes (e.g types of detergents, cleaning means, action duration and frequency) according to the treated foods and the risks involved B.5.3 Maintenance handbook The manufacturer shall specify all necessary measurements needed to maintain the required hygiene level (e.g degradation of surface state, wear of seals and certain parts) 44 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Annex C (normative) Probes for specific tests C.1 Hand test probe In order to verify that the safety interlocked switch, as specified in !5.2.2.1.3", does not allow the start of the machine until dimension x is less than specified values, a test with the following hand test probe where x is the radius shall be done The dimension x shall be less than or equal to either 45 mm or 60 mm (see !5.2.2.1.3") and the length of the hand test probe shall be at least more than x Figure C.1 C.2 Arm test probe In order to verify the safety design complying with dimensions of !4.2.3 of EN ISO 13857:2008 (5.2.2.1.4)" the following arm test probe shall be used: 45 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Dimensions in millimetres Figure C.2 Each hinge allows a 90˚ movement and both articulations are perpendicular one to each other 46 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) !deleted text" 47 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the New Approach Directive 2006/42/EC Once this standard is cited in the Official Journal of the European Union under that Directive and has been implemented as a national standard in at least one Member State, compliance with the normative clauses of this standard confers, within the limits of the scope of this standard, a presumption of conformity with the relevant Essential Requirements of that Directive and associated EFTA regulations WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling within the scope of this standard." 48 BS EN 1678:1998+A1:2010 EN 1678:1998+A1:2010 (E) !Bibliography [1] EN 454, Food processing machinery — Planetary mixers — Safety and hygiene requirements [2] prCEN/TR 1672-1:-2 , Food processing machinery — Basic concepts — Part 1: Safety requirements [3] EN 12851, Food processing machinery — Catering attachments for machinery having a auxiliary drive hub — Safety and hygiene requirements [4] EN 12852, Food processing machinery — Food processors and blenders — Safety and hygiene requirements [5] EN 13208, Food processing machinery — Vegetable peelers — Safety and hygiene requirements [6] CEN/TR 15623, Food processing machinery — Route map — Materials for food area [7] EN ISO 14121-1, Safety (ISO 14121-1:2007)" ) of machinery — Risk assessment — Part 1: Principles 2) To be published 49 BS EN 1678:1998 +A1:2010 BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: 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