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    NF U64-056-2010 Food processing machinery - Dishwashing machines with conveyor - Safety and hygiene requirements 《食品加工机械 带输送装置的洗碗机 安全和卫生要求》.pdf

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    NF U64-056-2010 Food processing machinery - Dishwashing machines with conveyor - Safety and hygiene requirements 《食品加工机械 带输送装置的洗碗机 安全和卫生要求》.pdf

    1、 W 7 6 w w 9 7 77 8 $ EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14957:2006+A1 January 2010 ICS 97.040.40 Supersedes EN 14957:2006English Version Food processing machinery - Dishwashing machines with conveyor - Safety and hygiene requirements Machines pour les produits alimentaires - Lave-

    2、vaisselle convoyeur - Prescriptions relatives la scurit et lhygine Nahrungsmittelmaschinen - Geschirrsplmaschinen mit Transporteinrichtung - Sicherheits- und Hygieneanforderungen This European Standard was approved by CEN on 22 September 2006 and includes Amendment 1 approved by CEN on 29 November 2

    3、009. 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

    4、 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

    5、 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,

    6、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any

    7、form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14957:2006+A1:2010: E EN 14957:2006+A1:2010 (E) 2 Contents Page Foreword 4Introduction . 51 Scope 62 Normative references 63 Terms, definitions and description 73.1 Terms and definitions . 73.2 Description . 84 List of si

    8、gnificant hazards 94.1 General 94.2 Mechanical hazards . 94.3 Electrical hazards 104.4 Thermal hazards 114.5 Chemical hazards 114.6 Hazards generated by neglecting hygiene principles in machine design . 114.7 Hazards generated by neglecting ergonomic principles . 114.8 Hazard from loss of stability

    9、. 115 Safety and hygiene requirements and/or protective measures 115.1 General 115.2 Mechanical hazards . 125.3 Electrical hazards 155.4 Thermal hazards 165.5 Chemical hazards 165.6 Hygiene . 165.7 Ergonomics 165.8 Hazard from loss of stability . 166 Verifications of safety and hygiene requirements

    10、and/or protective measures . 177 Instruction for use . 177.1 General 177.2 Instruction handbook 187.3 Marking . 19Annex A (normative) Noise test code for dishwashing machines with conveyor (Grade 2). 21A.1 Emission sound pressure level determination . 21A.2 Installation and mounting conditions 21A.3

    11、 Operating conditions . 21A.4 Measurement 22A.5 Measurement uncertainties 22A.6 Information to be recorded . 22A.7 Information to be reported 22A.8 Declaration and verification of noise emission values 22Annex ZA (informative) Relationship between this European Standard and the Essential Requirement

    12、s of EU Directive 98/37/EC . 24Annex ZB (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC“ . 25Bibliography 26 EN 14957:2006+A1:2010 (E) 3 Figures Figure 1 Types of dishwashing machines . 9 Figure 2 Hazards zones . 10 Figure 3 Flight

    13、 type machine Zone 1 . 12 Figure 4 Reciprocating rack conveyor device 13 Figure 5 Safety distance for a flight type machine . 14 Figure 6 Safety distance for a rack conveyor type machine . 14 Figure A.1 Microphone positions . 21 Tables Table 1 Methods of verifications 17 EN 14957:2006+A1:2010 (E) 4

    14、Foreword This document (EN 14957:2006+A1:2010) has been prepared by Technical Committee CEN/TC 153 Food processing machinery Safety and hygiene specifications, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of a

    15、n identical text or by endorsement, at the latest by July 2010, and conflicting national standards shall be withdrawn at the latest by July 2010. 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

    16、 responsible for identifying any or all such patent rights. This document includes Amendment 1, approved by CEN on 2009-11-29. This document supersedes EN 14957:2006. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“This European Standard has been pr

    17、epared 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 Annexes ZA and ZB, which are integral parts of this document.“ According to the CEN/

    18、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, Lith

    19、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 14957:2006+A1:2010 (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

    20、 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 B standards, the provisions of this type C standard take precedence over the provisions of the other s

    21、tandards, for machines that have been designed and built according to the provisions of this type C standard. EN 14957:2006+A1:2010 (E) 6 1 Scope 1.1 This European Standard applies to multizones dishwashing-machines with passing through motorized belt (flight type) or rack conveyor. In case of fligh

    22、t type, the loading and unloading areas are part of the machine. The machines covered by this European Standard are intended for washing, rinsing and optionally drying the dishes and the kitchen utensils, used in food and catering premises such as restaurants, hotels etc. This European Standard appl

    23、ies to dishwashing machines with conveyor with a linear speed less than or equal to 5 m/min for the dishes and kitchen utensils. NOTE Normally the total power of these machines is less than 200 kW. This European Standard deals with all significant hazards, hazardous situations and events relevant to

    24、 dishwashing machines with conveyor, when they are used as intended and under the conditions foreseen by the manufacturer (see Clause 4). This European Standard deals with the hazards which can arise during commissioning, operation, maintenance and decommissioning of the machine. When drawing up thi

    25、s European Standard the following assumptions were made: only trained adult persons operate the machines; the machines are used in adequately illuminated areas. This European Standard, referring for electrical safety to EN 60204-1 with criteria that can be applied to different designs and variants,

    26、is mainly intended for machines manufactured in small series. 1.2 This European Standard does not apply to: separate mechanical loading and unloading conveyors; chemical dosing devices which are not incorporated into the machine; steam generators; gas heating equipment. 1.3 Noise is not considered t

    27、o be a significant hazard for these machines. This does not mean that the manufacturer of these machines is absolved from reducing noise and making a noise declaration. Therefore a noise test code is included in Annex A. 1.4 This European Standard is not applicable to dishwashing-machines with conve

    28、yor which are manufactured before the date of publication of this European Standard by CEN. 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 editi

    29、on of the referenced document (including any amendments) applies. !EN 294:1992, Safety of machinery Safety distances to prevent danger zones being reached by the upper limbs EN 14957:2006+A1:2010 (E) 7 EN 349, Safety of machinery Minimum gaps to avoid crushing of parts of the human body EN 954-1:199

    30、6, Safety of machinery Safety related parts of control systems Part 1: General principles for design EN 614-1, Safety of machinery Ergonomic design principles Part 1: Terminology and general principles EN 953, Safety of machinery General requirements for the design and construction of fixed and mova

    31、ble guards EN 1088:1995, Safety of machinery Interlocking devices associated with guards Principles for design and selection EN 1672-2, Food processing machinery Basic concepts Part 2: Hygiene requirements EN 1760-2, Safety of machinery Pressure sensitive protective devices Part 2: General principle

    32、s 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 60204:2005) EN 60529:1991, Degrees of protection provided by enclosures (IP code) (IEC 60529:1989) CLC/TS 61496

    33、-2, Safety of machinery Electro-sensitive protective equipment Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs) (IEC 61496-2:1997) EN ISO 3744:1995, Acoustics Determination of sound power levels of noise sources Engineering method employing an env

    34、eloping measurement surface in an essentially free field over a reflecting plane (ISO 3744:1994) EN ISO 4871, 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 o

    35、f 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

    36、 (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 13732-1, Ergonomics of the thermal environment Methods for the assessment of human responses to contact with surfaces P

    37、art 1: Hot surfaces (ISO 13732-1:2006) EN ISO 13849-1, Safety of machinery Safety related parts of control systems Part 1: General principles for design (ISO 13849-1:2006)“ 3 Terms, definitions and description 3.1 Terms and definitions For the purposes of this document, the terms and definitions giv

    38、en in EN ISO 12100-1:2003 and the following apply. 3.1.1 conveyor drive mechanism to transport the load through the machine EN 14957:2006+A1:2010 (E) 8 3.1.2 types of conveyor 3.1.2.1 type 1 flight type endless peg conveyor where the dishes are loaded directly to the pegs (see Figure 1b) 3.1.2.2 typ

    39、e 2 conveyor for racks that can be made of one or two endless chains or reciprocating mechanism (see Figures 1a and 1c) 3.1.3 dishes pans, containers, plates, cups etc., used in the professional catering and restaurants 3.1.4 inspection door door giving access to the processing zones for cleaning and maintenance 3.1.5 access for technic


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