EN 1870-6:2002
(Main)Safety of woodworking machines - Circular sawing machines - Part 6: Circular sawing machines for firewood and dual purpose circular sawing machines for firewood/circular saw benches, with manual loading and/or unloading
Safety of woodworking machines - Circular sawing machines - Part 6: Circular sawing machines for firewood and dual purpose circular sawing machines for firewood/circular saw benches, with manual loading and/or unloading
This European Standard specifies the requirements and/or the measures to remove the hazards and limit the risk on circular sawbenches/up-cutting cross-cut sawing machines, hereinafter referred to as "machines", designed to cut solid wood, chipboard, fibreboard, plywood and also these materials where they are covered with plastic edging and/or plastic/light alloy laminates.
This European Standard does not apply to :
¾ hand held woodworking machines or any adaptation permitting their use in a different mode, i.e. bench mounting;
¾ machines set up on a bench or a table similar to a bench, which is intended to carry out work in a stationary position, capable of being lifted by one person by hand.
This European Standard covers the hazards relevant to these machines as stated in clause 4.
For Computer Numerically Controlled (CNC) machines this European Standard does not cover hazards related to Electro-Magnetic Compatibility (EMC).
This European Standard is primarily directed at machines which are manufactured after the date of issue of this European Standard.
NOTE Circular sawbenches are dealt with in EN 1870-1:1999
Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 6: Brennholzkreissägemaschinen und kombinierte Brennholz- und Tischkreissägemaschinen, mit Handbeschickung und/oder Handentnahme
Diese Europäische Norm legt die Anforderungen und/oder Maßnahmen für die Beseitigung von Gefähr-dungen und zur Begrenzung der Risiken an kombinierten Tischkreissägemaschinen/von unten schneidenden Kappsägemaschinen fest, im folgenden als "Maschinen" bezeichnet, die konstruiert sind zum Schneiden von Massivholz, Spanplatten, Faserplatten oder Sperrholz, sowie diesen Werkstoffen, wenn sie mit Kunststoffkanten versehen und/oder Beschichtungen aus Kunststoff/Leichtmetall-Legierung haben.
Diese Europäische Norm gilt nicht für:
¾ handgeführte Holzbearbeitungsmaschinen einschließlich solcher Einrichtungen, die ihre Verwendung in einer anderen Weise z.B. in einer Stationäreinrichtung ermöglichen;
¾ Maschinen, die auf ein Gestell oder auf einen Tisch, der einem Gestell ähnlich ist, aufgesetzt sind und die vorgesehen sind, während des Betriebs stationär verwendet zu werden und die von Hand von einer Person angehoben werden können.
Diese Europäische Norm behandelt die von der Maschine ausgehenden Gefährdungen, wie sie in Abschnitt 4 aufgelistet sind.
Diese Europäische Norm behandelt bei CNC-Maschinen nicht die Gefährdungen im Zusammenhang mit der elektromagnetischen Verträglichkeit (EMV).
Diese Europäische Norm ist in erster Linie auf Maschinen anzuwenden, die nach dem Datum der Herausgabe dieser Europäischen Norm hergestellt werden.
ANMERKUNG Tischkreissägemaschinen werden in EN 1870-1:1999 behandelt
Sécurité des machines pour le travail du bois - Machines à scies circulaires - Partie 6: Scies circulaires à chevalet et/ou à table pour la coupe du bois de chauffage, avec chargement et/ou déchargement manuel
La présente Norme européenne spécifie les prescriptions et/ou les mesures destinées à éliminer les phénomènes dangereux et limiter les risques sur les scies circulaires combinées à table et à coupe transversale ascendante (ci-après dénommées "machines"), conçues pour la coupe de bois massif, de panneaux de particules, et de fibres, de contre-plaqué, ainsi que ces matériaux lorsque leurs surfaces ou leurs chants sont recouverts de matière plastique et/ou de plastique/alliage léger stratifié.
La présente Norme européenne ne s'applique pas aux :
¾ machines à bois portatives ou toute adaptation permettant leur utilisation de manière différente, c'est-à-dire fixées sur un établi;
¾ machines installée sur un établi ou une table similaire à un établi, destinées à exécuter des travaux dans une position fixe, pouvant être soulevées à la main par une personne.
La présente Norme européenne couvre les phénomènes dangereux applicables à ces machines dont une liste est donnée à l'article 4.
Pour les machines à commande numérique la présente Norme européenne ne traite pas des phénomènes dangereux liés à la compatibilité électromagnétique (CEM).
La présente Norme européenne est applicable avant tout aux machines fabriquées après la date de publication de la présente Norme européenne.
NOTE Les scies circulaires à table sont traitées dans l'EN 1870-1:1999.
Varnost lesnoobdelovalnih strojev - Krožne žage - 6. del: Krožne žage za drva in večnamenske žage za drva z delovno mizo z ročnim posluževanjem
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 6: Brennholzkreissägemaschinen und kombinierte Brennholz- und Tischkreissägemaschinen, mit Handbeschickung und/oder HandentnahmeSécurité des machines pour le travail du bois - Machines a scies circulaires - Partie 6: Scies circulaires a chevalet et/ou a table pour la coupe du bois de chauffage, avec chargement et/ou déchargement manuelSafety of woodworking machines - Circular sawing machines - Part 6: Circular sawing machines for firewood and dual purpose circular sawing machines for firewood/circular saw benches, with manual loading and/or unloading79.120.10Lesnoobdelovalni strojiWoodworking machines25.080.60Strojne žageSawing machinesICS:Ta slovenski standard je istoveten z:EN 1870-6:2002SIST EN 1870-6:2003en01-september-2003SIST EN 1870-6:2003SLOVENSKI
STANDARD
SIST EN 1870-6:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1870-6April 2002ICS 79.120.10English versionSafety of woodworking machines - Circular sawing machines -Part 6: Circular sawing machines for firewood and dual purposecircular sawing machines for firewood/circular saw benches, withmanual loading and/or unloadingSécurité des machines pour le travail du bois - Machines àscies circulaires - Partie 6: Scies circulaires à chevaletet/ou à table pour la coupe du bois de chauffage, avecchargement et/ou déchargement manuelSicherheit von Holzbearbeitungsmaschinen -Kreissägemaschinen - Teil 6:Brennholzkreissägemaschinen und kombinierte Brennholz-und Tischkreissägemaschinen, mit Handbeschickungund/oder HandentnahmeThis European Standard was approved by CEN on 8 November 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1870-6:2002 ESIST EN 1870-6:2003
EN 1870-6:2002 (E)2ContentsForeword.30Introduction.41Scope.42Normative references.53Terms and definitions.73.1Terms.73.2Definitions.94List of significant hazards.115Safety requirements and/or measures.135.1Controls.135.2Protection against mechanical hazards.175.3Protection against non-mechanical hazards.376Information for use.416.1Warning devices.416.2Marking.416.3Instruction handbook.41Annex A (normative)
Stability test.43A.1Torsional resistance test for the pivoting log carriage.43A.2Rigidity test for a dual-purpose circular sawing machine for firewood/circular saw benchmachine set in the saw bench mode.44A.3Stability test for pivoting log carriage machines.44Annex B (normative)
Saw spindle dimensional tolerances.46Annex C (normative)
Riving knife mounting strength test.47Annex D (normative)
Riving knife lateral stability test.48Annex E (normative)
Test for safe log (workpiece) positioning on circular sawing machines forfirewood with pivoting log carriage.49Annex F (normative)
Saw bench table minimum dimensions on dual-purpose circular sawingmachines for firewood/circular saw benches.50Annex G (normative)
Sawblade guard stability test for dual purpose circular sawing machines forfirewood/circular sawbenches.51G.1General.51G.2Machines with sawblade guards with lead-in.51G.3Machines with sawblade guards with in-feed rollers.51Annex H (informative)
Safe working practice.53Annex ZA (informative)
Clauses of this European Standard addressing essential requirements or otherprovisions of EU Directives.55Bibliography.56SIST EN 1870-6:2003
EN 1870-6:2002 (E)3ForewordThis document (EN 1870-6:2002) has been prepared by Technical Committee 142, "Woodworking machines -Safety", the secretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by October 2002, and conflicting national standards shall be withdrawn at the latestby October 2002.This document has been prepared under a mandate given to CEN by the European Commission and the EuropeanFree 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.Organisations contributing to the preparation of this European Standard include European Committee ofWoodworking Machinery Manufacturers Association "EUMABOIS".Annexes A, B, C, D, E, F and G are normative and Annexes H, I and ZA are informative.The European Standards produced by CEN/TC 142 are particular to woodworking machines and complement therelevant A and B Standards on the subject of general safety (see introduction of EN 292-1:1991 for a description ofA, B and C standards).According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 1870-6:2003
EN 1870-6:2002 (E)40IntroductionThis European Standard has been prepared to be a harmonised standard to provide one means of conforming tothe essential safety requirements of the Machinery Directive, and associated EFTA regulations. This EuropeanStandard is a type “C” standard as defined in EN 292-1:1991.The extent to which hazards are covered is indicated in the scope of this European Standard.The requirements of this European Standard concern designers, manufacturers, suppliers and importers of circularsawing machines for firewood and dual-purpose circular sawing machines for firewood/circular saw benches, withmanual loading and/or unloading.This European Standard also includes information to be provided by the manufacturer to the user.Common requirements for tooling are given in EN 847-1:1997.1 ScopeThis European Standard specifies the requirements and/or the measures to remove the hazards and limit the riskon circular sawing machines for firewood and dual-purpose circular sawing machines for firewood/circular sawbenches, with manual loading and/or unloading, hereinafter referred to as “machines”, designed to cut solid wood.On Combined circular sawing machines for firewood - Log splitting machines only the circular sawing machine forfirewood is covered by this European Standard. For the requirements for the log splitting part of this machine seeEN 609-1 : 1999 and EN 609-2 : 1999.This European Standard covers the hazards relevant to these machines as stated in 4.For Computer Numerically Controlled (CNC) machines this European Standard does not cover hazards related toElectro-Magnetic Compatibility (EMC).This European Standard does not apply to :¾ log sawing machines where the saw unit moves to cut the workpiece;¾ machines where the sawblade is capable of tilting;¾ hand held woodworking machines or any adaptation permitting their use in a different mode, i.e. benchmounting;¾ machines driven by an internal combustion engineThis European Standard is primarily directed at machines which are manufactured after the date of issue of thisEuropean Standard.NOTEMachines covered by this European Standard are listed under A.1.1 and/or A.1.2 of annex IV of the MachineryDirectiveSIST EN 1870-6:2003
EN 1870-6:2002 (E)52 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references subsequent amendments to, or revisions of, any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 292-1:1991Safety of machinery - Basic concepts, general principles for design - Part 1:Basic terminology, methodologyEN 292-2:1991EN 292-2:1991/A1:1995Safety of machinery - Basic concepts, general principles for design - Part 2:Technical principles and specificationsEN 294:1992Safety of machinery - Safety distances to prevent danger zones being reachedby the upper limbsEN 418Safety of machinery - Emergency stop equipment, functional aspects - Principlesfor designEN 847-1:1997Tools for woodworking - Safety requirements - Part 1: Milling tools and circularsawbladesEN 954-1:1996Safety of machinery - Safety-related parts of control systems - Part 1: Generalprinciples for designEN 982Safety of machinery - Safety requirements for fluid power systems and theircomponents - HydraulicsEN 983Safety of machinery - Safety requirements for fluid power systems and theircomponents - PneumaticsEN 1088:1995Safety of machinery - Interlocking devices associated with guards - Principles fordesign and selectionEN 1553:1999Agricultural machinery - Agricultural self-propelled, mounted, semi-mounted andtrailed machines - Common safety requirementsEN 60204-1:1992Safety of machinery - Electrical equipment of machines - Part 1: Generalrequirements (IEC 60204-1:1992, modified)EN 60529Degree of protection provided by enclosures (IP code) (IEC 60529:1989)EN 60947-4-1Low voltage switchgear and control gear - Part 4: Contactors and motor starters- Section 1: Electromechanical contactors and motor starters(IEC 60947-4-1:1990)EN 60947-5-1:1997Low voltage switchgear and control gear - Part 5: Control circuit devices andswitching elements - Section 1: Electromechanical control circuit devices(IEC 60947-5-1:1990)EN ISO 3743-1Acoustics - Determination of sound power levels of noise sources - Engineeringmethods for small, moveable sources in reverberant fields - Part 1: Comparisonmethod for hard wall test rooms (ISO 3743-1:1994)EN ISO 3743-2Acoustics - Determination of sound power levels of noise sources - Engineeringmethods for small, moveable sources in reverberant fields - Part 2: Method forspecial reverberation test rooms (ISO 3743-2:1994)SIST EN 1870-6:2003
EN 1870-6:2002 (E)6EN ISO 3744Acoustics - Determination of sound power levels of noise sources using soundpressure engineering methods in an essentially free field over a reflecting plane(ISO 3744:1994)EN ISO 3746:1995Acoustics - Determination of sound power levels of noise sources using soundpressure - Survey method employing an enveloping measurement surface overa reflecting plane (ISO 3746:1995)EN ISO 4871:1996Acoustics - Declaration and verification of noise emission values of machineryand equipment (ISO 4871:1996)EN ISO 9614-1Acoustics - Determination of sound power levels of noise sources using soundintensity - Part 1: Measurements at discrete points (ISO 9614-1:1993)EN ISO 11202:1995Acoustics - Noise emitted by machinery and equipment - Measurement methodof emission sound pressure levels at the workstation and at other specifiedpositions survey method in situ (ISO 11202:1995)EN ISO 11204:1995Acoustics - Noise emitted by machinery and equipment - Measurement ofemission sound pressure levels at the workstation and at other specifiedpositions - Method requiring environmental corrections (ISO 11204:1995)EN ISO 11688-1Acoustics - Recommended practice for the design of low noise machinery andequipment - Part 1: Planning (ISO/TR 11688-1:1995)ISO 3745Acoustics - Determination of sound power levels of noise sources - Precisionmethods for anechoic and semi-anechoic roomsISO 7960:1995Airborne noise emitted by woodworking machine tools - Operating conditions forwoodworking machinesHD 21.1 S3Polyvinyl chloride insulated cables of rated voltages up to and including450/750v - Part 1: General requirementsHD 22.1 S3Rubber insulated cables of rated voltages up to and including 450/750v
- Part 1:General requirementsHD 22.4 S3Rubber insulated cables of rated voltages up to and including 450/750 V
- Part4: Cords and flexible cables (IEC 60245-4:1994, modified)SIST EN 1870-6:2003
EN 1870-6:2002 (E)73 Terms and definitionsFor the purposes of this European Standard the following terms and definitions apply.3.1 TermsThe different types of circular sawing machines for firewood and dual-purpose circular sawing machines forfirewood/circular saw benches and there main parts of the machine are illustrated in the Figures 1, 2, 3 and 4.Key1Pivoting log carriage2Sawblade guard3HandleFigure 1 — Example of a circular sawing machine for firewood with pivoting log carriageKey1Sliding table2Workpiece holding device3Operating handle4Fixed guard above the table5Fixed guard below the tableFigure 2 — Example of a circular sawing machine for firewood with sliding tableSIST EN 1870-6:2003
EN 1870-6:2002 (E)8a) — Dual-purpose circular sawing machine for firewood/circular saw bench with pivoting log carriage insaw bench modeb) — Dual-purpose circular sawing machine for firewood/circular saw bench with pivoting log carriage infirewood sawing modeKey1Tilting saw bench table2Sawblade guard below the table3Adjustable sawblade guard4Rip fence5Handle6Sawblade guard – firewood cutting7Pivoting log carriageFigure 3 — Example of a dual-purpose circular sawing machine for firewood/circular saw bench withpivoting log carriageSIST EN 1870-6:2003
EN 1870-6:2002 (E)9a) — Dual-purpose circular sawing machine for firewood/circular saw bench with sliding table in sawbench modeb) — Dual-purpose circular sawing machine for firewood/circular saw bench with sliding table in firewoodsawing modeKey1Adjustable sawblade guard2Rip fence3Saw bench table4Workpiece holding device5Sawblade guard with chip outlet6Adjustable support for sawblade guard7Riving knife8Fixed sawblade guard – log sawingFigure 4 — Example of a dual-purpose circular sawing machine for firewood/circular saw bench withsliding table3.2 Definitions3.2.1cross-cuttingthe operation of cutting across the grain of a wooden workpiece.3.2.2circular sawing machine for firewooda sawing machine for cross-cutting logs for firewood, with a single sawblade driven by either an electric motor or aPower Take Off (PTO) device and which has manual loading and/or unloading. The workpiece is moved manuallyto the sawblade either by :a) a pivoting log carriage (circular sawing machine for firewood with pivoting log carriage - see Figure 1); orb) a sliding table with a clamping device (circular sawing machine for firewood with sliding table - see Figure2).SIST EN 1870-6:2003
EN 1870-6:2002 (E)103.2.3dual-purpose circular sawing machine for firewood/circular saw bencha dual-purpose machine which is either :a) a circular sawing machine for cross-cutting logs for firewood with a pivoting log carriage (see Figure 3b));and a circular saw bench. When used as a circular sawing machine for firewood the saw bench table is tiltedtoward the rear of the machine (see Figure 3a)); orb) a circular sawing machine for cross-cutting logs for firewood with sliding table (see Figure 4b)) and acircular saw bench. When used as a saw bench the sliding table is locked in position (see Figure 4a)).3.2.4stationary machinea machine designed to be located on or fixed to the floor or other parts of the structure of the premises and to bestationary during use.3.2.5transportable machinea machine which is located on the floor stationary during use and equipped with a device, normally wheels, whichallows it to be moved between locations.3.2.6machine actuatora power mechanism used to effect motion of the machine.3.2.7hand feedthe manual holding and/or manual guiding of the workpiece (or of a machine element incorporating a tool). Handfeed includes the use of a hand operated carriage on which the workpiece is placed manually or clamped, (and theuse of a demountable power feed unit).NOTEThe words in brackets are not applicable to this machine.3.2.8safety appliancean additional device which is not an integral part of the machine but which assists the operator in the safe feedingof the workpiece, e.g. see Figure 5.Figure 5b) : Example of push blockSIST EN 1870-6:2003
EN 1870-6:2002 (E)11Figure 5a) : Example of push stickFigure 5 — Examples of a push stick and push block3.2.9ejectionthe unexpected movement of the workpiece or parts of it or part of the machine from the machine duringprocessing.3.2.10run-down timethe time elapsed from the actuation of the stop control up to spindle standstill.3.2.11confirmationstatements, sales literature, leaflets or other documents where the manufacturer (or supplier) declares either thecharacteristics or the compliance of the material or product to a relevant standard.4 List of significant hazardsThis European Standard deals with all hazards listed and relevant to the machines as defined in the scope :¾ for significant hazards by defining safety requirements and/or measures or by reference to relevant type Bstandards;¾ for hazards which are not significant e.g. general, minor or secondary hazards by reference to relevant typeA or B standards, especially EN 292-1:1991 and EN 292-2:1991/A1:1995.These hazards are listed in Table 1 in accordance with the Annex A of EN 292-2:1991/A1:1995.SIST EN 1870-6:2003
EN 1870-6:2002 (E)12Table 1 — List of significant hazardsNumberSignificant hazardRelevant clauses of thisEuropean Standard1Mechanical hazards caused for example by :-shape;-relative location;-mass and stability (potential energy of elements);-mass and velocity (kinetic energy of elements);-inadequacy of the mechanical strength.Accumulation of potential energy by :-elastic elements (springs); or-liquids or gases under pressure; or-vacuumof the machine parts or workpieces.1.1Crushing hazard5.2.7, 5.2.81.2Shearing hazard5.2.7, 5.2.81.3Cutting or severing hazard5.2.2, 5.2.3, 5.2.4, 5.2.71.4Entanglement hazard5.2.71.5Drawing-in or trapping hazard5.2.71.6Impact hazardNot relevant1.7Stabbing or puncture hazardNot relevant1.8Friction or abrasion hazardNot relevant1.9High pressure fluid ejection hazard5.3.7, 5.3.81.10Ejection of parts (of machinery and processedmaterials/workpieces)5.2.2, 5.2.3, 5.2.5, 5.2.6, 5.2.81.11Loss of stability of machinery and machine parts5.2.11.12Slip, trip and fall hazards in relationship with machinery(because of their mechanical nature)Not relevant2Electrical hazards caused for example by :2.1Electrical contact (direct or indirect)5.3.4, 5.3.162.2Electrostatic phenomenaNot relevant2.3Thermal radiation or other phenomena such as ejection ofmolten particles and chemical effects from short circuits,overloads etc.Not relevant2.4External influences on electrical equipment5.1.1, 5.3.4, 5.3.123Thermal hazards resulting in :3.1Burns and scalds, by a possible contact of persons, byflames or explosion and also by the radiation of heatsourcesNot relevant3.2Health damaging effects by hot or cold work environmentNot relevant4Hazards generated by noise resulting in :4.1Interference with speech communication, acoustic signalsetc.5.3.24.2Hearing losses (deafness), or other physiologicaldisorders (e.g. loss of balance, loss of awareness)5.3.25Hazards generated by vibration (resulting in a variety ofneurological and vascular disorders)Not relevant6Hazards generated by radiation, especially by :6.1Electric arcsNot relevant6.2Lasers5.3.136.3Ionising radiation sourcesNot relevant6.4Machines making use of high frequency electrical fieldsNot relevant(continued)SIST EN 1870-6:2003
EN 1870-6:2002 (E)13Table 1 — List of significant hazards (concluded)NumberSignificant hazardRelevant clauses of thisEuropean Standard7Hazards generated by materials and substancesprocessed, used or exhausted by machinery forexample:7.1Hazards resulting from contact with or inhalation ofharmful fluids, gases, mists, fumes and dust5.3.37.2Fire or explosion hazard5.3.1, 5.3.3, 5.3.4, Annex H7.3Biological and microbiological (viral or bacterial hazards)Not relevant8Hazards generated by neglecting ergonomic principlesin machine design (mismatch of machinery with humancharacteristics and abilities) caused for example by :8.1Unhealthy postures or excessive efforts5.1.28.2Inadequate consideration of human hand-arm or foot-leganatomy5.1.28.3Neglect of use of personal protection equipment6.38.4Inadequate area lightingAnnex H8.5Mental overload or underload, stress etcNot relevant8.6Human error6.3, Annex H9Hazard combinations5.1.710Hazards caused by failure of energy supply breakingdown of machinery parts and other functional disorders,for example :10.1Failure of energy supply (of energy and/or controlcircuits)5.1.8, 5.1.9, 5.3.7, 5.3.810.2Unexpected ejection of machine parts or fluids5.2.510.3Failure, malfunction of control systems (unexpectedstart up, unexpected overrun)5.1.110.4Errors of fitting5.2.3, 5.3.1510.5Overturn, unexpected loss of machine stability5.2.111Hazards caused by (temporary) missing and/orincorrectly positioned safety related measures/meansfor example :11.1All kinds of guard5.2.711.2All kinds of safety related (protection) devices5.1.1, 5.2.711.3Starting and stopping devices5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.2.411.4Safety signs and signals6.211.5All kinds of information and warning devices6.2, 6.311.6Energy supply disconnection devices5.3.1611.7Emergency devices5.1.511.8Feeding/removal means of workpieces5.2.611.9Essential equipment and accessories for safe adjustingand/or maintaining5.3.1711.10Equipment evacuating gases etc5.3.35 Safety requirements and/or measuresFor guidance in connection with risk reduction by design, see clause 3 of EN 292-2:1991/A1:1995, and in addition :5.1 Controls5.1.1 Safety and reliability of control systemsFor the purposes of this European Standard a safety related control system is one from and including the initialmanual control or position detector to the point of input to the final actuator or element e.g. motor. The safetyrelated control systems of this machine (see EN 954-1:1996) are those for :¾ starting (see 5.1.3) ;SIST EN 1870-6:2003
EN 1870-6:2002 (E)14¾ normal stopping (see 5.1.4) ;¾ emergency stopping (see 5.1.5) ;¾ interlocking (see 5.1.3) ;¾ clamping (see 5.2.8) ;¾ the braking system (see 5.1.4, 5.1.5 and 5.2.4).Unless otherwise stated in this European Standard these control systems shall, as a minimum be designed andconstructed in accordance with category 1 as defined in EN 954-1:1996.For the purposes of this European Standard "well tried components and principles" means :a) electrical components if they comply with relevant standards including the following as :i)EN 60947-5-1:1997, section 3 for control switches with positive opening operation used as mechanicalactuated position detectors for interlocking guards and for relays used in auxiliary circuits;ii)EN 60947-4-1 for electromechanical contactors and motor-starters used in main circuits;iii)HD 22.1 S3 for rubber-insulated cable;iv)HD 21.1 S3 for polyvinyl chloride cable if this cable is additionally protected against mechanicaldamage by positioning (e.g. inside frames);b) electrical principles if they comply with the first four measures listed in 9.4.2.1 of EN 60204-1:1992. Thecircuits shall be either “hardwired”, or if electronic components are used in safety related control systems “welltried” is fulfilled if they are in accordance with 9.4.2.2 (i.e. redundancy with cross-monitoring) or 9.4.2.3 (i.e.diversity) of EN 60204-1:1992;c) mechanical components if, for example they operate in the positive mode in accordance with thedescription given in 3.5 of EN 292-2:1991/A1:1995;d) mechanically actuated position detectors for guards if they are actuated in the positive mode and theirarrangement/fastening and cam design/mounting comply with the requirements of 5.2 and 5.3 of EN1088:1995;e) pneumatic and hydraulic components and systems if they comply with EN 983 and EN 982 respectively.Time delay devices used in hardwired safety related control circuits can be of category B in accordance with therequirements of EN 954-1:1996 if the time delay device is designed for at least one million actuations.Verification : By checking the relevant drawings and/or circuit diagrams and inspection of the machine, for electricalcomponents by requiring confirmation from the manufacturer of the component which declares conformity with therelevant standards.5.1.2 Position of controlsThe start control and the stop control required by 5.1.3 and 5.1.4 of this European Standard shall be situated asfollows :a) on firewood sawing machines with pivoting log carriage, at the machine frame within a maximum distanceof 800 mm, measured from the front edge of the pivoting log carriage in its rest position and not less than 600mm from the floor (see Figure 6);b) on firewood sawing machines with sliding table, at the front of the machine frame (rest position) or at thelongitudinal sides within a distance of 800 mm from the front edge of the sliding table in its start position and atleast 50 mm below the table edge and not less than 600 mm from the floor (see Figure 7);c) on PTO driven machines the start and stop control for the machine actuator (e.g. tractor) may be regardedas the start and stop control of the machine;d) on dual-purpose circular sawing machines for firewood/circular saw benches, driven a PTO device, anormal stop control shall be provided at the saw bench operator position.Verification : By checking the relevant drawings, m
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