DIN EN 14930-2009 en 1463 Agricultural and forestry machinery and gardening equipment - Pedestrian controlled and hand-held machines - Determination of accessibility of hot surface.pdf

1、July 2009DEUTSCHE NORM English price group 9No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 65.060.01!$XTf“1534967www.

2、din.deDDIN EN 14930Agricultural and forestry machinery and gardening equipment Pedestrian controlled and hand-held machines A1:2009)English version of DIN EN 14930:2009-07Land- und forstwirtschaftliche Maschinen und Gartengerte Mitgngergefhrte und handgehaltene Maschinen Englische Fassung DIN EN 149

3、30:2009-07SupersedesDIN EN 14930:2008-01See start of validitywww.beuth.deDocument comprises 15 pagesDetermination of accessibility of hot surfaces (includes AmendmentBestimmung der Zugnglichkeit von heien Oberflchen (enthlt nderung A1:2009)DIN EN 14930:2009-07 2 Start of validity This standard takes

4、 effect on 1 July 2009. DIN EN 14930:2008-01 may be used in parallel until 28 December 2009. National foreword This standard includes safety requirements. This standard has been prepared by Technical Committee CEN/TC 144 “Tractors and machinery for agriculture and forestry” (Secretariat: AFNOR, Fran

5、ce). The responsible German body involved in its preparation was the Normenausschuss Maschinenbau (Mechanical Engineering Standards Committee), Section Landtechnik. Amendment of the European Machinery Directive has made it necessary to review the previously valid standard, EN 14930:2007, in terms of

6、 the essential requirements of the new European Machinery Directive, 2006/42/EC. This standard contains specifications meeting the essential requirements set out in Annex I of the “Machinery Directive”, Directive 98/37/EC (valid until 28 December 2009), and the “revised Machinery Directive”, Directi

7、ve 2006/42/EC, which takes effect on 29 December 2009, and which apply to pedestrian controlled and hand-held agricultural and forestry machinery and gardening equipment that are either first placed on the market or commissioned within the EEA. This standard serves to facilitate proof of compliance

8、with the essential requirements of the directives. Once this standard is cited in the Official Journal of the European Union, it is deemed a “harmonized” standard and thus, a manufacturer applying this standard may assume compliance with the requirements of the Machinery Directive (“presumption of c

9、onformity”). The European Standards referred to in clause 2 of this document have been published as the corresponding DIN EN or DIN EN ISO Standards with the same number. Amendments This standard differs from DIN EN 14930:2008-01 as follows: a) Annex ZB (informative) “Relationship between this Europ

10、ean Standard and the Essential Requirements of EU Directive 2006/42/EC” has been included. Previous editions DIN EN 14930: 2008-01 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14930:2007+A1 March 2009 ICS 65.060.01 Supersedes EN 14930:2007English Version Agricultural and forestry machinery a

11、nd gardening equipment - Pedestrian controlled and hand-held machines - Determination of accessibility of hot surfaces Matriels agricoles et forestiers et matriels de jardinage - Machines portables la main et conducteur pied - Dtermination du risque de contact avec les surfaces chaudes Land- und for

12、stwirtschaftliche Maschinen und Gartengerte - Mitgngergefhrte und handgehaltene Maschinen - Bestimmung der Zugnglichkeit von heien Oberflchen This European Standard was approved by CEN on 26 April 2007 and includes Amendment 1 approved by CEN on 29 December 2008. CEN members are bound to comply with

13、 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 Cen

14、tre 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 offici

15、al versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov

16、enia, 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 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN n

17、ational Members. Ref. No. EN 14930:2007+A1:2009: EEN 14930:2007+A1:2009 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Principles 5 5 Test equipment 6 5.1 Temperature measuring equipment.6 5.2 Test cone 6 6 Test procedure .6 6.1 Determi

18、nation of touchable surfaces 6 6.2 Determination of temperature of touchable surfaces 7 6.3 Determination of area for interrupted surfaces 7 7 Test acceptance .9 Annex A (informative) Flowchart for the determination of inadvertent accessibility of hot surfaces of machinery 10 Annex ZA (informative)

19、Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC, amended by Directive 98/79/EC . 11 Annex ZB (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC“ 12 Bibliography . 13 DIN EN 14930:200

20、9-07 EN 14930:2007+A1:2009 (E) 3 Foreword This document (EN 14930:2007+A1:2009) has been prepared by Technical Committee CEN/TC 144 “Tractors and machinery for agriculture and forestry”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standar

21、d, either by publication of an identical text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by December 2009. This document includes Amendment 1, approved by CEN on 2008-12-29. This document supersedes EN 14930:2007. The start

22、 and finish of text introduced or altered by amendment is indicated in the text by tags ! “. 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

23、 EU Directive(s), see informative Annexes ZA and ZB, which are integral parts 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, Cyprus, Czech

24、 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. DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 4 I

25、ntroduction This European Standard is a type C standard as stated in EN ISO 12100. Products with built-in engines or other heat-sources often show hot surfaces. If such a surface is touched by the unprotected skin, burning of the skin can occur. To avoid skin burning protective measures should be ap

26、plied, especially in cases when the user of the product is not aware of the risk of burning. So it is essential to assess the risk of burning when using a product with a built-in heat source and to apply protective measures if necessary. This European Standard provides a test method to identify the

27、touchable hot surfaces. Guidance for human response to contact with hot surfaces is given in EN 13202. C-type standard writers should consider making an exception from this test for parts or systems which can not be guarded (e.g. the inside and the end of exhaust pipe outlet). The aim of this Europe

28、an Standard is that it will be referenced in the type C standards. DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 5 1 Scope This European Standard specifies a method for combustion engine driven pedestrian controlled and hand-held machines with or without back pack power unit used in agriculture, fo

29、restry and gardening to determine those parts of the surfaces identified by the product specific standards that are hot surfaces and can be touched unintentionally by an operator during normal operation. This European Standard is only applicable together with product specific standards for the categ

30、ories of machines specified above. This European Standard does not specify which surfaces shall be assessed. 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,

31、 the latest edition of the referenced document (including any amendments) applies. EN 13202:2000, Ergonomics of the thermal environment Temperatures of touchable hot surfaces Guidance for establishing surface temperature limit values in product specific standards with the aid of EN 563 EN ISO 12100-

32、1:2003, Safety of machinery Basic concepts, general principles for design Part 1: Basic terminology, methodology (ISO 12100-1:2003) 3 Terms and definitions For any machine covered by this European Standard, the terms and definitions of the product specific standard directly applicable to that type o

33、f machine, if available, take precedence over the terms and definitions of this European Standard. For the purposes of this document, the terms and definitions given in EN ISO 12100-1:2003, EN 13202:2000 and in product specific standards directly applicable to that type of machine, if available, and

34、 the following apply. 3.1 normal operation use of the machine which is reasonably foreseeable, as seen by the manufacturer, and which is consistent with such activities as starting, stopping, fuelling, connecting to (or disconnecting from) a power source and performing its application 4 Principles T

35、his European Standard identifies, with the use of a test cone, the touchable hot surfaces. Surfaces where the contactable area exceeds 10 cm2and of which the temperature exceeds the acceptable values for inadvertent contact are detected. DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 6 5 Test equipm

36、ent 5.1 Temperature measuring equipment The measurement of the surface temperature shall be carried out by means of an electrical thermometer with a contact sensor made of metal and insignificant heat capacity. The accuracy of the instrument shall be within the range of 2 C. NOTE The data presented

37、in this European Standard have been evaluated using the above mentioned measuring facility and results obtained by other techniques may not be suitable for comparison with the data. 5.2 Test cone The test cone shall have the dimensions as given in Figure 1. Dimensions in millimetres Figure 1 Test co

38、ne 6 Test procedure 6.1 Determination of touchable surfaces The surfaces to be checked shall be specified by the product specific standards. The test cone according to 5.2 shall be moved in any possible direction towards the hot surfaces specified for testing. Mark the areas touchable with the test

39、cone tip or conical surface. DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 7 6.2 Determination of temperature of touchable surfaces Measure the temperatures of the touchable surfaces identified in 6.1, under the following conditions: the test shall be conducted without the influence of sunlight wit

40、h an air speed of max. 5 m/s and at 20 C 5 C ambient temperature; the machine shall be stationary with the tools operating, unloaded and running at maximum operating engine/motor speed. The operating conditions shall be recorded in the test report; the machine shall be operated until temperatures ha

41、ve stabilised for normal operation of the machine before testing; the temperature (T) shall be determined by correcting the measured temperature (TM) depending on the ambient temperature (TA) at the time of the test as follows: T = TM (TA 20) where TMis the measured temperature in C; TAis the ambien

42、t temperature in C; when measuring the surface temperature care shall be taken that good contact is established between the sensor and the surface. The use of appropriate force and the use of a conducting paste may be necessary for this purpose. The area of contact should lie flat on the surface and

43、 shall not become canted. The measured value should not be read until temperature equilibrium between the surface and the sensor has been reached. To reach this equilibrium more quickly it may be convenient to heat the contact sensor of the measuring instrument at a different point of the hot surfac

44、e before carrying out the actual measurement; mark the surfaces with temperatures higher than burn threshold values for up to 0,5 s contact period as given in Annex A and Annex B of EN 13202:2000. These surfaces are identified as hot surfaces; measure and record the area of the marked surface(s). If

45、 the area is interrupted the procedure in 6.3 shall be followed. 6.3 Determination of area for interrupted surfaces If a marked surface (with area A1) consists of multiple separate surfaces of which the sum of the areas (A2) exceeds 80 % of A1, then A1shall be considered as one uninterrupted area (s

46、ee Figure 2). Surfaces whose structure does not allow a ball with 2 mm diameter to penetrate more than 2 mm below highest parts of the structure shall be considered as part of A1(see Figure 2). DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 8 Dimensions in millimetres Key A1marked surface A2sum of a

47、rea 80 % of A1Figure 2 Example of a surface consisting of multiple separate surfaces If a marked surface (with area A1) includes holes of which the sum of the areas (A3) is less than 20 % of the area of marked surface (A1) it shall be considered as one uninterrupted area (see Figure 3). Key A1marked

48、 surface A3sum of areas of the holes Figure 3 Example of a surface with holes DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 9 7 Test acceptance The recorded area of the marked surface(s) shall not be larger than 10 cm2. DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 10 Annex A (informative) Flowcha

49、rt for the determination of inadvertent accessibility of hot surfaces of machinery DIN EN 14930:2009-07 EN 14930:2007+A1:2009 (E) 11 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC, amended by Directive 98/79/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 one means of conforming to Essential Requirements of the New Approach Machinery Directi