EN 1870-15:2004+A1:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.LQDOLRGY]HPRPSicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 15: Mehrfachablängkreissägemaschinen mit mechanischem Vorschub für das Werkstück und Handbeschickung und/oder HandentnahmeSécurité des machines pour le travail du bois - Machines à scier circulaires - Partie 15: Machines à scier multilames pour tronçonage à avance mécanisée de la pièce et à chargement et/ou déchargement manuelsSafety of woodworking machines - Circular sawing machines - Part 15: Multiblade cross-cut sawing machines with integrated feed of the workpiece and manual loading and/or unloading79.120.10Lesnoobdelovalni strojiWoodworking machines25.080.60Strojne žageSawing machinesICS:Ta slovenski standard je istoveten z:EN 1870-15:2004+A1:2009SIST EN 1870-15:2005+A1:2009en01-december-2009SIST EN 1870-15:2005+A1:2009SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1870-15:2004+A1
October 2009 ICS 79.120.10 Supersedes EN 1870-15:2004English Version
Safety of woodworking machines - Circular sawing machines - Part 15: Multiblade cross-cut sawing machines with integrated feed of the workpiece and manual loading and/or unloading
Sécurité des machines pour le travail du bois - Machines à scier circulaires - Partie 15: Machines à scier multilames pour tronçonage à avance mécanisée de la pièce et à chargement et/ou déchargement manuels
Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 15: Mehrfachablängkreissägemaschinen mit mechanischem Vorschub für das Werkstück und Handbeschickung und/oder Handentnahme This European Standard was approved by CEN on 20 October 2004 and includes Amendment 1 approved by CEN on 20 August 2009.
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, 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.
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B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1870-15:2004+A1:2009: ESIST EN 1870-15:2005+A1:2009

Saw spindle dimensional tolerances . 37Annex B (normative)
Stability test for the deterring/impeding device required in 5.3.7.1.2 . 38Annex C (normative)
Operating conditions for noise emission measurement . 39Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 98/37 . 41Annex ZB (informative)
!Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC" . 44Bibliography . 48 SIST EN 1870-15:2005+A1:2009

Part 1: Emission EN 50370-2:2003, Electromagnetic compatibility (EMC) — Product family standard for machine-tools —
Part 2: Immunity" !EN 60204-1:2006", Safety of machinery — Electrical equipment of machines — Part 1: General requirements !(IEC 60204-1:2005, modified)" !EN 60439-1:1999, Low-voltage switchgear and controlgear assemblies — Part 1: Type-tested and partially type-tested assemblies (IEC 60439-1:1999)" EN 60529:1991, Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989) !EN 60825-1:2007, Safety of laser products — Part 1: Equipment classification and requirements
(IEC 60825-1:2007)" !deleted text" !EN 61310-1:2008, Safety of machinery — Indication, marking and actuation — Part 1: Requirements for visual, auditory and tactile signals (IEC 61310-1:2007)" EN ISO 3743-1:1995, Acoustics — Determination of sound power levels of noise sources — Engineering methods for small, 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, movable sources in reverberant fields — Part 2: Method for special reverberation test 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 3745:2003, Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision methods for anechoic and hemi-anechoic rooms (ISO 3745:2003) 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 — Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996) SIST EN 1870-15:2005+A1:2009

(ISO 11202:1995) EN ISO 11204:1995, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a work station and at other specified positions — Method requiring environmental corrections (ISO 11204:1995) 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) EN ISO 12100-1:2003, Safety of machinery — Basic concepts, general principles for design — Part 1: Basic terminology and methodology (ISO 12100-1:2003) EN ISO 12100-2:2003, Safety of machinery — Basic concepts, general principles for design — Part 2: Technical principles (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 13850:2008, Safety of machinery — Emergency stop — Principles for design
(ISO 13850:2006)" ISO 7960:1995, Airborne noise emitted by machine tools — Operating conditions for woodworking machines 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 12100-1:2003 and the following apply. 3.1 multi-blade cross-cut sawing machine with integrated feed of the work-piece and manual loading and/or unloading machine with two or more saw spindles located below the work-piece support. Each saw unit is equipped with a saw-spindle drive motor. The distance between the saw units is adjustable either manually or under power. The position of the saw-blade(s) is fixed during cutting. The work-piece is fed to the saw-blades by chains and held down during cutting by a top pressure device combined with the upper saw blade guard or mounted separately (see Figure 1) SIST EN 1870-15:2005+A1:2009

Figure 1 — Example of multi-blade cross-cut sawing machine with integrated feed of the work-piece and manual loading and/or unloading (guards are not represented for clarity) 3.2 top pressure device device located above each saw-blade which holds the work-piece against the chains e.g. by belts or rollers 3.3 saw unit part(s) of the machine incorporating the saw spindle with its drive motor, the top pressure device and a chain/chains for the feed of the work-piece. The saw spindle may be fixed or retractable manually or under power to a non-cutting position 3.4 integrated feed of multi-blade cross-cut sawing machines feed mechanism for the work-piece or tool which is integrated with the machine and where the work-piece or machine element with incorporated tool is held and controlled mechanically during the machining operation 3.5 stationary machine machine designed to be located on or fixed to the floor or other parts of the structure of the premises and to be stationary during use 3.6 !displaceable machine" machine which is located on the floor, stationary during use and
equipped with devices, such as wheels, which allows it to be moved between locations 3.7 cutting area of the saw-blade area of the saw-blade which is covered by the work-piece during the cutting process (see Figure 2) 3.8 non-cutting area of the saw-blade area of the saw-blade which is not covered by the work-piece during the cutting process (see Figure 2) SIST EN 1870-15:2005+A1:2009

Key 1 Cutting area of the saw-blade 2 Non-cutting area of the saw-blade 3 Direction of saw-blade rotation 4 Feed direction 5 Work-piece Figure 2 — Cutting/non-cutting area of the saw-blade 3.9 non-cutting position of the saw spindle position of a saw unit with its saw spindle outside the maximum cutting width for which the machine is designed or where the saw-spindle is retracted to a position such that the saw-blade with the maximum saw-blade diameter for which the machine is designed does not protrude over the work-piece support 3.10 climb cutting event where the rotation of the saw-blade and the movement of the work-piece are in the same direction (see Figure 3)
Key 1 Direction of saw-blade rotation 2 Work-piece feed Figure 3 — Climb cutting 3.11 ejection unexpected movement of the work-piece or parts of it or part of the machine from the machine during processing 3.12 kickback particular form of ejection describing the unexpected movement of the work-piece or parts of it or parts of the machine opposite to the direction of feed during processing SIST EN 1870-15:2005+A1:2009

No
Hazards EN ISO 12100 Relevant clause of this document
Part 1:2003Part 2:2003
Hazards, hazardous situations and hazardous events 1 Mechanical hazards due to:
- machine parts or work-pieces, e.g.: 4.2, 4.10 4.2.1, 4.2.2, 5
a) shape;
5.3.2, 5.3.7
b) relative location;
5.3.2, 5.3.3, 5.3.7, Annex A
c) mass and stability (potential energy of elements which may move under the effect of gravity);
5.3.1, Annex B
d) mass and velocity (kinetic energy of elements in controlled or uncontrolled motion);
5.3.3, 5.3.5, 5.3.7, 6.2
e) inadequacy of mechanical strength.
5.3.2, 5.3.3, Annex B
- accumulation of energy inside the machinery e.g.: 4.2 4.10, 5.5.4
f) elastic elements (springs);
g) liquids and gases under pressure;
5.4.7, 5.4.8 1.1 Crushing hazard 4.2.1
5.3.3, 5.3.7 1.2 Shearing hazard 5.3.3, 5.3.7 1.3 Cutting or severing hazard 5.3.3, 5.3.4, 5.3.7 1.4 Entanglement hazard 5.3.7 1.5 Drawing-in or trapping hazard 5.3.7 1.6 Impact hazard 5.3.5, 6.2 a) 1.8 Friction or abrasion hazard 5.3.4 2 Electrical hazards due to: 2.1 Contact of persons with live parts (direct contact) 4.3 4.9, 5.5.4 5.4.4, 5.4.13 2.2 Contact of persons with parts which have become live under faulty conditions (indirect contact) 4.3 4.9 5.4.4, 5.4.13 2.3 Approach to live parts under high voltage 4.3 4.9, 5.5.4 5.4.4, 6.4 2.4 Electrostatic phenomena 4.3 4.9 5.4.11 4 Hazards generated by noise, resulting in: 4.1 Hearing loss (deafness), other physiological disorders (e.g. loss of balance, loss of awareness) 4.5 4.2.2, 5 5.4.2 4.2 Interference with speech communication, acoustic signals, etc.
5.4.2 (to be continued) SIST EN 1870-15:2005+A1:2009

No
Hazards EN ISO 12100 Relevant clause of this document
Part 1:2003Part 2:2003
6 Hazards generated by radiation 6.5 Lasers 4.7
5.4.10 7 Hazards generated by materials and substances (and their constituent elements) processed or used by the machinery 7.1 Hazards from contact with or inhalation of harmful fluids, gases, mists, fumes, and dusts 4.8 4.3 b), 4.4 5.4.3 7.2 Fire hazard 4.8 4.4 5.4.1, 5.4.3 8 Hazards generated by neglecting ergonomic principles in machinery design as, e.g. hazards from: 8.1 Unhealthy postures or excessive effort 4.9 4.7, 4.8.2, 4.11.12, 5.5.5, 5.5.6 5.2.2, 5.4.5 8.2 Inadequate consideration of hand-arm or foot-leg anatomy 4.9 4.8.3 5.2.2, 5.4.5 8.4 Inadequate local lighting
4.8.6 5.4.6, 6.4 8.6 Human error, human behaviour 4.9 4.8, 4.11.8, 4.11.10, 5.5.2, 6 5.2.4, 5.2.7, 5.3.3, 6.4 8.7 Inadequate design, location or identification of manual controls
4.8.7, 4.11.8 5.2.2, 5.2.5, 5.3.7.3, 5.4.5 8.8 Inadequate design or location of visual display units
4.8.8, 6.2 5.4.5 9 Combination of hazards 4.11
5.2.7, 5.4.3,
10 Unexpected start-up, unexpected overrun/over speed (or any similar malfunction) from: 10.1 Failure/disorder of the control system
4.11, 5.5.4 5.2.1, 5.2.3, 5.4.14 10.2 Restoration of energy supply after an interruption
4.11.4 5.2.8, 5.4.14 10.3 External influences on electrical equipment
4.11.11 5.4.9 10.5 Errors in the software
4.11.7 5.2.1 10.6 Errors made by the operator (due to mismatch of machinery with human characteristics and abilities, see 8.6) 4.9 4.8, 4.11.8, 4.11.10, 5.5.2, 6 5.2.4, 5.2.7, 5.3.3, 6.3, 6.4 11 Impossibility of stopping the machine in the best possible conditions
4.11.1, 4.11.3, 5.5.2 5.2.4, 5.2.5, 5.2.8, 5.2.9, 5.4.13, 6.4 l) (to be continued) SIST EN 1870-15:2005+A1:2009

No
Hazards EN ISO 12100 Relevant clause of this document
Part 1:2003Part 2:2003
13 Failure of the power supply
4.11.1, 4.11.4 5.2.8 14 Failure of the control circuit
4.11, 5.5.4 5.2.1, 5.2.9 15 Errors of fitting 4.9 4.7, 6.5 5.3.3, 5.4.12, 6.2, 6.3, 6.4 16 Break-up during operation 4.2.2 4.3 5.2.6, 5.3.2, 5.3.3, 6.4 17 Falling or ejected objects or fluids 4.2.1 4.2.2 4.3, 4.10 5.2.6, 5.3.2, 5.3.5, 5.3.6, 5.4.7, 5.4.8, 6.2 18 Loss of stability / overturning of machinery 4.2.2 5.2.6 5.3.1 5 Safety requirements and/or measures 5.1 General The machine shall comply with the safety requirements and/or protective measures of this clause. In addition, the machine shall be designed according to the principles of EN ISO 12100-1:2003 for hazards relevant but not significant, which are not dealt with by this document (e.g. sharp edges of the machine frame). For guidance in connection with risk reduction by design, see Clause 4 of EN 12100-2:2003 and for safeguarding measures, see Clause 5 of EN ISO 12100-2:2003. 5.2 Controls 5.2.1 Safety and reliability of control systems For the purposes of this document a safety related part of control system is one from and including the initial manual control or position detector to the point of input to the final actuator or element e.g. motor. The safety related parts of control system of this machine are those for the following functions:  starting and restarting of the saw-blade(s) rotation, the movements of the saw unit(s), the work-piece feed mechanism: Category 1 (see 5.2.3, 5.2.6);  normal stopping: Category 1 (see 5.2.4);  emergency stop: Category 1 or 3 (see 5.2.5);  interlocking: Category 1 (see 5.3.7);  interlocking between the feed chain motor with the position of the saw spindles: Category 1 (see 5.2.7);  interlocking with guard locking: Category 1 (see 5.3.7);  prevention unexpected start-up after failure of the power supply: Category 1 (see 5.3.8);  hold-to run control: Category 1 (see 5.3.7.3);  control duplication (where fitted): Category 1 (see 5.2.7); SIST EN 1870-15:2005+A1:2009

!EN ISO 13849-1:2008". For the purposes of this European Standard Category 1 of !EN ISO 13849-1:2008" for parts and the function of these safety related control systems is achieved if e.g. for: a) electrical components if they comply with relevant standards including the following: i) !EN 60947-5-1:2004" (section 3) for control switches with positive opening operation used as mechanically actuated position detectors for interlocking guards and for relays used in auxiliary circuits; ii) EN 60947-4-1:2001 for electromechanical contactors and motor-starters used in main circuits; iii) HD 22.1 S4:2002 for rubber-insulated cable; iv) HD 21.1 S4:2002 for polyvinyl chloride cable if this cable is additionally protected against mechanical damage by positioning (e.g. inside frames). b) hardwired control circuits if they are in accordance with the first four measures listed in 9.4.2.1 of
!EN 60204-1:2006"; c) mechanically actuated position detectors for guards if they are actuated in the positive mode and their arrangement/fastening and the cam design/ mounting comply with the requirements of 5.2 and 5.3 of
EN 1088:1995; d) interlocking devices with guard locking if they are at least an interlocking device with guard locking with manually operated delay device in accordance with the requirements in Annex N of EN 1088:1995; e) pneumatic and hydraulic components and systems if they comply with EN 983:1996 and EN 982:1996 respectively. Time delay devices used in hardwired safety related control circuits may be of Category B in accordance with the requirements of !EN ISO 13849-1:2008" if the time delay device is designed for at least one million actuation. !NOTE 1" Also see EN ISO 13849-2:2003 for information about assessment of well-tried components, possible exclusion of faults etc. Electronic safety related control systems shall be in accordance with 9.4.2.2 (i.e. redundancy with cross-monitoring) or 9.4.2.3 (i.e. diversity) of !EN 60204-1:2006". Verification: By checking the relevant drawings and/or circuit diagrams and inspection of the machine. !deleted text" !NOTE 2 For the component characteristics a confirmation from the manufacturer of the component can be useful." 5.2.2 Position of controls The main control devices for starting the saw spindles and integrated feed, normal stopping shall be located together and situated at a position from which the loading position can be seen. Where controls are located on a separate movable control console it shall be of the type with cable connection to the machine and its position relative to the machine shall be indicated in the instruction handbook (see 6.4). SIST EN 1870-15:2005+A1:2009

6.4 f)). Such facilities are e.g.:" a) brakes for the wheels; or b) a combination of wheels and stabilisers; or c) a device to retract the wheels from the floor. Verification: By checking relevant drawings, inspection and relevant functional testing of the machine. 5.3.2 Risk of break-up during operation The guards for the saw-blades shall be manufactured from: a) steel with an ultimate tensile strength of at least 350 N mm-2 and a wall thickness of at least 2 mm; b) light alloy with characteristics in accordance with Table 2; Table 2 — Characteristics of light alloy saw-blade guards Ultimate tensile strength N mm-2 Minimum thickness mm 180 5 240 4 300 3 c) polycarbonate with a wall thickness of at least 3 mm or other plastic material having an impact strength equal to or better than that of polycarbonate of 3 mm thickness; d) cast iron with a minimum tensile strength of 200 N mm-2 and a minimum wall thickness of 5 mm. SIST EN 1870-15:2005+A1:2009
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