SIST EN 1870-11:2004
(Main)Safety of woodworking machines - Circular sawing machines - Part 11: Semi-automatic and automatic horizontal cross-cut sawing machines with one saw unit (radial arm saws)
Safety of woodworking machines - Circular sawing machines - Part 11: Semi-automatic and automatic horizontal cross-cut sawing machines with one saw unit (radial arm saws)
This European Standard specifies the requirements and/or measures to remove the hazards and/or limit the risks on semi-automatic and automatic horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws), hereinafter referred to as "machines", designed to cut solid wood, chipboard, fibreboard, plywood and also these materials when covered with plastic edging and/or plastic/light alloy laminates.
Any work-piece positioning equipment fitted to the machine is included in this European Standard.
This European Standard covers the hazards relevant to these machines as stated in Clause 4.
This European Standard does not apply to machines :
a) with manual feed of the saw unit; or
b) for cross cutting logs; or
c) specifically designed for sawing and/or milling roof timber frames; or
d) fitted with hydraulic braking systems.
NOTE Radial arm saws with manual feed of the saw unit (the saw unit is moved by hand) are dealt with in prEN 1870-17 and prEN 61029-2-2.
For Computer Numerically Controlled (CNC) machines this European Standard does not cover hazards related to Electro-Magnetic Compatibility (EMC).
NOTE The requirements of this European Standard apply to all machines whatever their method of control e.g. electromechanical and/or electronic.
This European Standard is primarily directed to machines which are manufactured after the date of issue of publication by CEN.
Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 11: Halbautomatische und automatische waagrecht schneidende Auslegerkreissägemaschinen mit einem Sägeaggregat (Radialsägen)
Diese Europäische Norm beschreibt die Anforderungen und/oder Maßnahmen für die Beseitigung von Gefährdungen und/oder zur Begrenzung der Risiken an halbautomatischen und automatischen waagerecht schneidenden Auslegerkreissägemaschinen mit einem Sägeaggregat (Radialsägen) - im Folgenden als "Maschinen" bezeichnet -, die konstruiert sind zum Schneiden von Massivholz, Spanplatten, Faserplatten oder Sperrholz, sowie diesen Werkstoffen, wenn sie mit Kunststoffkanten versehen sind und/oder Beschichtungen aus Kunststoff-/Leichtmetall-Legierung haben.
Jegliche Einrichtung zum Positionieren des Werkstücks, die an der Maschine angebaut ist, ist in dieser Europäischen Norm mit behandelt.
Diese Europäische Norm behandelt die für die Maschine zutreffenden Gefährdungen, wie sie in Abschnitt 4 beschrieben sind.
Diese Europäische Norm gilt nicht für Maschinen:
a) mit Handvorschub des Sägeaggregates oder
b) zum Querschneiden von Rundholz oder
c) die speziell zum Sägen und/oder Fräsen von Dachsparren bestimmt sind (Abbundmaschinen) oder
d) die mit hydraulischen Bremsen ausgerüstet sind.
ANMERKUNG Radialsägen mit Handvorschub des Sägeaggregates (das Sägeaggregat wird von Hand bewegt) sind in prEN 1870-17 und in prEN 61029-2-2 behandelt.
Diese Europäische Norm behandelt bei CNC-Maschinen nicht die Gefährdungen im Zusammenhang mit der elektromagnetischen Verträglichkeit (EMV).
ANMERKUNG Die Anforderungen dieser Europäischen Norm gelten für alle Maschinen unabhängig von der Art ihrer Steuerung, z. B. elektromechanisch und/oder elektronisch.
Diese Europäische Norm gilt in erster Linie für Maschinen, die hergestellt wurden, nachdem CEN diese Europäische Norm veröffentlichte.
Sécurité des machines pour le travail du bois - Machines a scier circulaires - Partie 11: Tronçonneuses automatiques et semi-automatiques a coupe horizontale (scies circulaires radiales)
La présente Norme européenne spécifie les exigences et/ou les mesures devant etre prises pour éliminer les phénomenes dangereux et/ou limiter les risques sur les tronçonneuses semi-automatiques et automatiques a coupe horizontale avec une unité de sciage (scies circulaires radiales), ci-apres désignées "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 matiere plastique et/ou de plastique/alliage léger stratifié.
Tout équipement de positionnement de piece équipant la machine est compris dans la présente norme.
La présente Norme européenne couvre les phénomenes dangereux applicables a ces machines tel que spécifié a l'Article 4.
La présente Norme européenne ne s'applique pas aux :
a) machines a avance manuelle de l'unité de sciage ; ou
b) machines conçues pour le tronçonnage de grumes ; ou
c) machines conçues spécifiquement pour le sciage et/ou le fraisage des charpentes de toitures ; ou
d) machines équipées de systemes de freinage hydrauliques.
NOTE Les scies circulaires radiales avec avance manuelle de l'unité de sciage (l'unité de sciage est déplacée a la main) sont traitées dans le prEN 1870-17 et dans le prEN 61029-2-2.
Pour les machines a commande numérique par ordinateur (CNC), la présente Norme européenne ne traite pas les phénomenes dangereux liés a la comptabilité électromagnétique (CEM).
NOTE Les exigences de la présente norme s'appliquent a toutes les machines quelle que soit leur méthode de commande, par exemple : électromécanique et/ou électronique.
La présente Norme européenne est applicable avant tout aux machines fabriquées apres la date de publication de la présente Norme européenne.
Varnost lesnoobdelovalnih strojev - Krožne žage - 11. del: Polavtomatski in avtomatski konzolni čelilnik z enim agregatom
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 11: Halbautomatische und automatische waagrecht schneidende Auslegerkreissägemaschinen mit einem Sägeaggregat (Radialsägen)Sécurité des machines pour le travail du bois - Machines a scier circulaires - Partie 11: Tronçonneuses automatiques et semi-automatiques a coupe horizontale (scies circulaires radiales)Safety of woodworking machines - Circular sawing machines - Part 11: Semi-automatic and automatic horizontal cross-cut sawing machines with one saw unit (radial arm saws)79.120.10Lesnoobdelovalni strojiWoodworking machines25.080.60Strojne žageSawing machinesICS:Ta slovenski standard je istoveten z:EN 1870-11:2003SIST EN 1870-11:2004en01-september-2004SIST EN 1870-11:2004SLOVENSKI
STANDARD
SIST EN 1870-11:2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1870-11August 2003ICS 79.120.10English versionSafety of woodworking machines - Circular sawing machines -Part 11: Semi-automatic and automatic horizontal cross-cutsawing machines with one saw unit (radial arm saws)Sécurité des machines pour le travail du bois - Machines àscier circulaires - Partie 11: Tronçonneuses automatiqueset semi-automatiques à coupe horizontale (scies circulairesradiales)Sicherheit von Holzbearbeitungsmaschinen -Kreissägemaschinen - Teil 11: Halbautomatische undautomatische waagrecht schneidendeAuslegerkreissägemaschinen mit einem Sägeaggregat(Radialsägen)This European Standard was approved by CEN on 12 June 2003.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,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1870-11:2003 ESIST EN 1870-11:2004
EN 1870-11:2003 (E)2ContentsForeword.30Introduction.41Scope.42Normative references.53Terms and definitions.63.1General.63.2Definitions.64List of significant hazards.85Safety requirements and/or measures.105.1General.105.2Controls.105.2.1Safety and reliability of control systems.105.2.2Position of controls.125.2.3Starting.125.2.4Normal stopping.135.2.5Emergency stop.135.2.6Integrated feed.145.2.7Mode selection.145.2.8Failure of the power supply.145.2.9Failure of the control circuits.155.3Protection against mechanical hazards.155.3.1Stability.155.3.2Risk of break up during operation.155.3.3Tool holder and tool design.155.3.4Braking.175.3.5Devices to minimise the possibility or the effect of ejection.185.3.6Work-piece supports and guides.185.3.7Prevention of access to moving parts.195.3.8Clamping devices.225.4Protection against non-mechanical hazards.225.4.1Fire.225.4.2Noise.225.4.3Emission of chips and dust.235.4.4Electricity.245.4.5Ergonomics and handling.245.4.6Pneumatic.245.4.7Hydraulic.245.4.8Radiation.245.4.9Laser.245.4.10Static electricity.255.4.11Errors of Fitting.255.4.12Isolation.255.4.13Maintenance.256Information for use.266.1Warning devices.266.2Marking.266.3Instruction handbook.26Annex A (informative)
Examples of safety related control systems with electronic components.29Annex B (normative)
Dimensional tolerances of saw spindles.32Annex C (informative)
Safe working practice.33Annex ZA (informative)
Relationship of this document with EC Directives.34Bibliography.35SIST EN 1870-11:2004
EN 1870-11:2003 (E)3ForewordThis document (EN 1870-11:2003) has been prepared by Technical Committee CEN/TC 142, "Woodworkingmachines - Safety",the secretariat of which is held by BSI.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).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 February 2004, and conflicting national standards shall be withdrawn at the latestby February 2004.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 the European Committee ofWoodworking Machinery Manufacturer's Association “EUMABOIS”.Annex B is normative and Annexes A, C and ZA are informative.The European Standards produced by CEN/TC142 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).The European Standards produced by CEN/TC142 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, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,Slovakia, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 1870-11:2004
EN 1870-11:2003 (E)4IntroductionThis 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 European Standard is a type "C“ standard as defined in EN 1070:1998.The machinery concerned and the extent to which hazards, hazardous situations and events covered are indicatedin the scope of this document.When provisions of this type C standard are different from those which are stated in type A or B standards, theprovisions of this C type standard take precedence over the provisions of other standards, for machines that havebeen designed and built according to the provisions of this type C standard.The requirements of this European Standard are directed to manufacturers and their authorised representatives ofsemi-automatic and automatic horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws). Itis also useful for designers.This European Standard also includes examples of information which can be provided by the manufacturer to theuser.Common requirements for tooling are given in EN 847-1:1997.1 ScopeThis European Standard specifies the requirements and/or measures to remove the hazards and/or limit the riskson semi-automatic and automatic horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws),hereinafter referred to as "machines", designed to cut solid wood, chipboard, fibreboard, plywood and also thesematerials when covered with plastic edging and/or plastic/light alloy laminates.Any work-piece positioning equipment fitted to the machine is included in this European Standard.This European Standard covers the hazards relevant to these machines as stated in Clause 4.This European Standard does not apply to machines :a) with manual feed of the saw unit; orb) for cross cutting logs; orc) specifically designed for sawing and/or milling roof timber frames; ord) fitted with hydraulic braking systems.NOTERadial arm saws with manual feed of the saw unit (the saw unit is moved by hand) are dealt with in prEN1870-17 and prEN 61029-2-2.For Computer Numerically Controlled (CNC) machines this European Standard does not cover hazards related toElectro-Magnetic Compatibility (EMC).NOTEThe requirements of this European Standard apply to all machines whatever their method of control e.g.electromechanical and/or electronic.This European Standard is primarily directed to machines which are manufactured after the date of issue ofpublication by CEN.SIST EN 1870-11:2004
EN 1870-11:2003 (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 292-1:1991, Safety of machinery. Basic concepts, general principles for design - Part 1: Basic terminology,methodology.EN 292-2:1991, EN 292-2/A1:1995, Safety of machinery - Basic concepts, general principles for design - Part 2:Technical principles and specifications.EN 294:1992, Safety of machinery - Safety distance to prevent danger zones being reached by the upper limbs.EN 418:1992, Safety of machinery - Emergency stop equipment, functional aspects - Principles for design.EN 574:1996, Safety of machinery – Two-hand control devices - Functional aspects - Principles for design.EN 847-1:1997, Tools for woodworking - Safety requirements - Part 1: Milling tools and circular saw blades.EN 954-1:1996, Safety of machinery - Safety-related parts of controls systems - Part 1: General principles fordesign.EN 982:1996, Safety of machinery - Safety requirements for fluid power systems and their components –Hydraulics.EN 983:1996, Safety of machinery - Safety requirements for fluid power systems and their components –Pneumatics.EN 1037:1995, Safety of machinery -
Prevention of unexpected start-up.EN 1070:1998, Safety of machinery – TerminologyEN 1088:1995, Safety of Machinery - Interlocking devices associated with guards - Principles for design andselection.EN 1760-1:1997, Safety of machinery - Pressure sensitive protective devices - Part 1: General principles for thedesign and testing of pressure sensitive mats and pressure sensitive floors.EN 1760-2:2001, Safety of machinery - Pressure sensitive protection devices - Part 2: General principles for thedesign and testing of pressure sensitive edges and pressure sensitive bars.EN 60204-1:1992, Safety of machinery - Electrical equipment of machines - Part 1: General requirements (IEC60204-1:1992, modified).EN 60529:1991, Degrees of protection provided by enclosures (IP Code) (IEC 529:1989).EN 60825-1:1994+ A11:1996 + A2:2001, Safety of laser products - Equipment classification, requirements anduser’s guide (IEC 60825-1:1993).EN 60947-4-1: 1992, Low voltage switchgear and control gear - Part 4-1: Contactors and motor starters -Electromechanical contactors and motor starters (IEC 60947-4-1:1990).EN 60947-5-1:1997, Low voltage switchgear and control gear - Part 5-1: Control circuit devices and switchingelements; Electromechanical control circuit devices (IEC 60947-5-1:1990).prEN 61496-2:1997, Safety of machinery - Electrosensitive protective equipment - Part 2: Particular requirementsfor equipment using active optoelectronic devices.SIST EN 1870-11:2004
EN 1870-11:2003 (E)6EN ISO 3743-1:1995, Acoustics - Determination of sound power levels of noise sources - Engineering methods forsmall, moveable sources in reverberant fields - Part 1: Comparison method for hard walled test rooms (ISO 3743-1:1994).EN ISO 3743-2:1996, Acoustics - Determination of sound power levels of noise sources using sound pressure -Engineering methods for small, moveable sources in reverberant fields - Part 2: Methods for special reverberationtest rooms (ISO 3743-2:1994).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 3746:1995, Acoustics - Determination of sound power levels of noise sources using sound pressure -Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995).EN ISO 4871:1996, Acoustics – Determination and verification of noise emission values of machinery andequipment (ISO 4871:1996).EN ISO 9614-1:1995, Acoustics - Determination of sound power levels of noise sources using sound intensity -Part 1: Measurement at discrete points (ISO 9614-1:1993).EN ISO 11202:1995, Acoustics - Noise emitted by machinery and equipment - Measurement of emission soundpressure levels at a work station and at other specified positions (ISO 11202:1995).EN ISO 11204:1995, Acoustics - Noise emitted by machinery and equipment - Measurement of emission soundpressure levels at a work station and at other specified positions - method requiring environmental corrections (ISO11204:1995).EN ISO 11688-1:1998, Acoustics - Recommended practice for the design of low noise machinery and equipment -Part 1: Planning (ISO TR 11688-1:1995).ISO 3745:1977, Acoustics - Determination of sound power levels of noise sources - Precision methods foranechoic and semi anechoic rooms.ISO 7960:1995, Airborne noise emitted by machine tools - Operating conditions for woodworking machines.HD 21.1 S3:1997, Polyvinyl chloride insulated cables of rated voltages up to and including 450/750V - Part 1:General requirements.HD 22.1 S3:1997, Rubber insulated cables of rated voltages up to and including 450/750V - Part 1: Generalrequirements.HD 22.4 S3:1995+ A1:1999, Rubber insulated cables of rated voltages up to and including 450/750 V - Part 4:Cords and flexible cables (IEC 60245-4 : 1994, modified)3 Terms and definitions3.1 GeneralFor the purposes of this European Standard the definitions given in EN 1070:1998 apply. Additional definitionsspecifically needed for this European Standard are shown in Clause 3.2.3.2 Definitions3.2.1cross-cuttingoperation of cutting across the grain of a wooden work-piece.SIST EN 1870-11:2004
EN 1870-11:2003 (E)73.2.2semi-automatic and automatic horizontal cutting cross-cut sawing machine with one saw unit (radial armsaw)machine where the saw unit has integrated feed and moves horizontally forward on an arm in a straight line duringthe cutting stroke and than back to its rest position. The arm can rotate relative to the centre line of its verticalsupport (pivoting) and the saw unit can cant relative to a horizontal line in direction of the arm (see Figure 1).Figure 1 — Example of a horizontal cutting cross-cut sawing machine with one saw unit(semi-automatic machine)3.2.3semi-automatic cross-cut sawing machinemachine where the saw unit has integrated feed which is initiated manually and the work-piece is positionedmanually or by means of a positioning mechanism for cutting to length.3.2.4automatic cross-cut sawing machinemachine where the saw unit has integrated feed, the work-piece is manually loaded and/or unloaded, automaticallypositioned for cutting to pre-selected lengths and where the integrated feed of the saw unit is initiatedautomatically.3.2.5machine actuatorpower mechanism used to effect motion of the machine.3.2.6integrated feed on radial arm sawspower operated feed mechanism for the saw-blade and work-piece which is integrated with the machine and wherethe saw unit with incorporated saw-blade and the work-piece are held and controlled mechanically during themachining operation.3.2.7stationary machinemachine designed to be located on or fixed to the floor or other parts of the structure of the premises and to bestationary during use.3.2.8transportable machinemachine which is located on the floor, stationary during use and equipped with a device, normally wheels, whichallow it to be moved between locations.SIST EN 1870-11:2004
EN 1870-11:2003 (E)83.2.9cutting area of the saw-bladearea where the saw-blade can be involved in the cutting process.3.2.10non-cutting area of the saw-bladearea of the saw-blade where the saw-blade is not involved in the cutting process.3.2.11cutting area of a semi-automatic and automatic radial arm sawarea defined by all possible positions in front of the fence of the saw-blade with the maximum diameter for whichthe machine is designed, taking into account the saw unit's ability to cant or pivot for angled cutting and themaximum cutting stroke and cutting depth.3.2.12run-up timetime elapsed from the actuation of the start control device until the spindle reaches the intended speed.3.2.13unbraked run-down timetime elapsed from the actuation of the stop control, but not the braking device (if fitted) up to spindle standstill.3.14braked run-down timetime elapsed from the actuation of the stop control and the brake device up to spindle standstill.3.2.15manual loading of power fed machinesoperation where the work-piece is presented by the operator directly to the machine integrated feed, e.g. rotatingfeed rollers, travelling table or reciprocating carriage; i.e. for which there is no intermediate loading device toreceive and transfer the work-piece from the operator to the integrated feed.3.2.16manual unloading of power fed machinesoperation where the work-piece is removed by the operator directly from the machine out feed; i.e. for which thereis no intermediate unloading device to receive and transfer the work-piece from the machine out feed to theoperator.3.2.17confirmationstatements, sales literature, leaflets or other documents where a manufacturer (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 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 requirements of Clause 4 of EN 292-1:1991.SIST EN 1870-11:2004
EN 1870-11:2003 (E)9Table 1 — List of significant hazardsNumberHazardRelevant sub-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 ofpotential energy by :-elastic elements (springs); or-liquids or gases under pressure; or-vacuum.of the machine parts or work-pieces.1.1Crushing hazard5.3.7, 5.3.81.2Shearing hazard5.3.7, 5.3.81.3Cutting or severing hazard5.3.2, 5.3.3, 5.3.4, 5.3.71.4Entanglement hazard5.3.71.5Drawing-in or trapping hazard5.3.71.6Impact hazard5.3.7.3, 5.3.7.41.8Friction or abrasion hazard5.341.9High pressure fluid ejection hazard5.3.4, 5.3.8, 5.4.6, 5.4.7,5.4.13, 6.31.10Ejection of parts (of machinery and processed
materials/work-pieces)5.2.3, 5.2.6, 5.3.2, 5.3.3, 5.3.5,5.3.6, 5.3.81.11Loss of stability of machinery and machine parts5.3.12Electrical hazards caused for example by :2.1Electrical contact (direct or indirect)5.4.4, 5.4.12, 5.4.132.2Electrostatic phenomena5.4.102.4External influences on electrical equipment5.4.4, 5.4.84Hazards generated by noise resulting in :4.1Interference with speech communication, acoustic signals etc.5.4.24.2Hearing losses (deafness), or other physiological disorders (e.g. lossof balance, loss of awareness)5.4.26Hazards generated by radiation, especially by :6.2Lasers5.4.97Hazards generated by materials and substances processed, used orexhausted by machinery for example :7.1Hazards resulting from contact with or inhalation of harmful fluids,mists, fumes and dust5.4.3, 6.37.2Fire hazard5.4.1, 5.4.38Hazards generated by neglecting ergonomic principles in machinedesign (mismatch of machinery with human characteristics andabilities) caused for example by :8.1Unhealthy postures or excessive efforts5.2.2, 5.4.5, 6.38.2Inadequate consideration of human hand-arm or foot-leg anatomy5.2.2, 5.4.5, 6.38.3Neglect of use of personal protection equipment6.38.4Inadequate area lighting6.38.6Human error6.39Hazard combinations5.2.3, 5.2.6, 5.2.7, 5.2.8,5.3.7.4, 5.4.3, 5.4.410Hazards caused by failure of energy supply breaking down ofmachinery parts and other functional disorders, for example :10.1Failure of energy supply (of energy and/or control circuits)5.2.8, 5.2.9, 5.3.4, 5.4.6, 5.4.710.2Unexpected ejection of machine parts or fluids5.2.6, 5.4.6, 5.4.7, 5.4.1210.3Failure, malfunction of control systems (unexpected start up,unexpected overrun)5.2.8, 5.2.9, 5.3.3.110.4Errors of fitting5.3.3, 5.4.11, 6.1, 6.310.5Overturn, unexpected loss of machine stability5.3.1(continued)SIST EN 1870-11:2004
EN 1870-11:2003 (E)10Table 1 — List of significant hazards (concluded)NumberHazardRelevant sub-clauses of thisEuropean Standard11Hazards caused by (temporary) missing and/or incorrectly positionedsafety related measures/means for example :11.1All kinds of guard5.3.711.2All kinds of safety related (protection) devices5.2.1, 5.3.711.3Starting and stopping devices5.2.2, 5.2.3, 5.2.4, 5.2.511.4Safety signs and signals6.1, 6.211.5All kinds of information and warning devices6.2, 6.311.6Energy supply disconnection devices5.4.6, 5.4.7, 5.4.1211.7Emergency devices5.2.511.8Feeding/removal means of work-pieces5.3.6, 5.3.7.3, 5.3.7.411.9Essential equipment and accessories for safe adjusting and/ormaintaining5.4.1311.10Equipment evacuating gases etc.5.4.3, 6.35 Safety requirements and/or measures5.1 GeneralThe machine shall comply with the safety requirements and/or protective measures of this Clause. In addition, themachine shall be designed in accordance with the principles of Clauses 5 and 6 of EN 292-1:1991 for hazardsrelevant but not significant, which are not dealt with by this document (e.g. sharp edges).For guidance in connection with risk reduction by design, see Clause 3 of EN 292-2:1991/A1:1995, and forsafeguarding measures, see Clause 4 of EN 292-2:1991/A1:1995.5.2 Controls5.2.1 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 are those for :¾ starting (see Clause 5.2.3);¾ normal stopping (see Clause 5.2.4);¾ emergency stop (see Clause 5.2.5);¾ moveable interlocked guards (see Clause 5.2.3, 5.3.7);¾ moveable interlocked guards with guard locking (see Clauses 5.2.3 and 5.3.7);¾ interlocking of the cutting stroke with saw-blade rotation and work-piece clamping (see Clause 5.2
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