EN 1870-17:2007+A2:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 17: Handbetätigte waagerecht schneidende Auslegerkreissägemaschinen mit einem Sägeaggregat (handbetätigte Radialsägen)Sécurité des machines pour le travail du bois - Machines à scier circulaires - Partie 17: Tronçonneuses manuelles à coupe horizontale avec une unité de sciage (scies circulaires radiales manuelles)Safety of woodworking machines - Circular sawing machines - Part 17: Manual horizontal cutting cross-cut sawing machines with one saw unit (manual radial arm saws)79.120.10Lesnoobdelovalni strojiWoodworking machines25.080.60Strojne žageSawing machinesICS:Ta slovenski standard je istoveten z:EN 1870-17:2007+A2:2009SIST EN 1870-17:2007+A2:2009en01-november-2009SIST EN 1870-17:2007+A2:2009SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1870-17:2007+A2
September 2009 ICS 79.120.10 Supersedes EN 1870-17:2007English Version
Safety of woodworking machines - Circular sawing machines - Part 17: Manual horizontal cutting cross-cut sawing machines with one saw unit (manual radial arm saws)
Sécurité des machines pour le travail du bois - Machines à scier circulaires - Partie 17: Tronçonneuses manuelles à coupe horizontale avec une unité de sciage (scies circulaires radiales manuelles)
Sicherheit von Holzbearbeitungsmaschinen - Kreissägemaschinen - Teil 17: Handbetätigte waagerecht schneidende Auslegerkreissägemaschinen mit einem Sägeaggregat (handbetätigte Radialsägen) This European Standard was approved by CEN on 4 February 2007 and includes Amendment 1 approved by CEN on 20 August 2009 and Amendment 2 approved by CEN on 10 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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COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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Avenue Marnix 17,
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 1870-17:2007+A2:2009: ESIST EN 1870-17:2007+A2:2009

Stability test for displaceable machines . 37Annex B (normative)
Saw spindle dimensional tolerances . 38Annex C (normative)
Impact test method for guards . 39C.1General . 39C.2Test method . 39SIST EN 1870-17:2007+A2:2009

Use of well tried components . 42Annex E (normative)
Brake tests . 43E.1Conditions for all tests . 43E.2Tests . 43E.2.1Un-braked run-down time . 43E.2.2Braked run-down time . 43Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 98/37 . 44Annex ZB (informative)
!Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC" . 47Bibliography . 51 SIST EN 1870-17:2007+A2:2009

and # $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 the !Machinery Directives". !For relationship with EU Directive(s), see informative Annexes ZA and ZB, which are integral parts of this document." Organisations contributing to the preparation of this European Standard include European Committee of Woodworking Machinery Manufacturers Association "EUMABOIS". !EN 1870 Safety of woodworking machines — Circular sawing machines consists of the following parts: Part 1: Circular saw benches (with and without sliding table), dimension saws and building site saws Part 3: Down cutting cross-cut saws and dual purpose down cutting cross-cut saws/circular saw benches Part 4: Multi-blade rip sawing machines with manual loading and/or unloading Part 5: Circular saw -benches/up-cutting cross-cut 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 Part 7: Single blade log sawing machines with integrated feed table and manual loading and/or unloading Part 8: Single blade edging circular rip sawing machines with power driven saw unit and manual loading and/or unloading Part 9: Double blade circular sawing machines for cross-cutting with integrated feed and with manual loading and/or unloading Part 10: Single blade automatic and semi-automatic up-cutting cross-cut sawing machines Part 11: Semi-automatic and automatic horizontal cross-cut sawing machines with one saw unit (radial arm saws) SIST EN 1870-17:2007+A2:2009

prEN 61029-2-2:1997. b) machines fitted with hydraulically powered machine actuators (e.g. hydraulic workpiece clamping); c) machines fitted with powered work-piece positioning; d) machines fitted with the facility for either ripping, milling (including trenching and grooving), sanding and/or drilling; e) machines equipped with more than one saw spindle speed. NOTE 3 A standard to cover machines that can be used for ripping and moulding will be considered at the next revision. NOTE 4 Semi-automatic and automatic horizontal cutting cross-cut circular sawing machines with one saw unit (radial arm saws) are dealt with in EN 1870-11. This document is not applicable to manual horizontal cutting cross-cut circular sawing machines with one saw unit (manual radial arm saws) which are manufactured before the date of its publication as EN. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. !deleted text" EN 614-1:2006, Safety of machinery — Ergonomic design principles — Part 1: Terminology and general principles EN 847-1:2005, Tools for woodworking — Safety requirements — Part 1: Milling tools, circular saw blades EN 894-1:1997, Safety of machinery — Ergonomics requirements for the design of displays and control actuators — Part 1: General principles for human interactions with displays and control actuators EN 894-2:1997, Safety of machinery — Ergonomics requirements for the design of displays and control actuators — Part 2: Displays SIST EN 1870-17:2007+A2:2009

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)" !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: Methods 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 semi-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) SIST EN 1870-17:2007+A2:2009

(ISO 11202:1995) EN ISO 11202:1995/AC:1997, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a work station and at other specified positions — Survey method in situ (ISO 11202:1995/Cor.1:1997) EN ISO 11204:1995, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a workstation and at other specified positions — Method requiring environmental corrections (ISO 11204:1995) EN ISO 11204:1995/AC:1997, Acoustics — Noise emitted by machinery and equipment — Measurement of emission sound pressure levels at a workstation and at other specified positions — Method requiring environmental corrections (ISO 11204:1995/Cor.1:1997) 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 11688-1:1998/AC: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, 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 controls systems — Part 1: General principles for design (ISO 13849-1:2006) !EN ISO 13857:2008, Safety of machinery — Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008)" ISO 7960:1995, Airborne noise emitted by machine tools — Operating conditions for woodworking machines HD 22.4 S4:2004, Cables of rated voltages up to and including 450/750 V and having crosslinked insulation - Part 4: Cords and flexible cables 3 Terms and definitions 3.1 General For the purposes of this document the terms and definitions given in EN ISO 12100-1:2003 and the following apply.
NOTE
The saw blade is not in the rest position. Figure 1 — Example 1 of a manual horizontal cutting cross-cut circular sawing machine with one saw unit (manual radial arm saw) SIST EN 1870-17:2007+A2:2009

Figure 2 — Example 2 of a manual horizontal cutting cross-cut circular sawing machine with one saw unit (manual radial arm saw) 3.2.3 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 3.2.4 displaceable machine machine which is located on the floor, stationary during use and equipped with a device, normally wheels, which allow it to be moved between locations 3.2.5 hand feed of the saw unit manual movement of the saw unit incorporating the saw blade along the forward arm of the machine in direction of the feed movement 3.2.6 machine actuator power mechanism used to effect motion of the saw blade
3.2.7 cutting area of the saw blade area below the maximum upper cutting line of the workpiece
3.2.8 non-cutting area of the saw blade area above the maximum upper cutting line of the workpiece
3.2.10 un-braked run-down time time elapsed from the actuation of the stop control device but not the braking device (if fitted) up to spindle standstill 3.2.11 braked run-down time time elapsed from the actuation of the stop control and the braking device up to spindle standstill 3.2.12 information from the supplier statements, sales literature, leaflets or other documents where a manufacturer (supplier) declares either the characteristics or the compliance of the material or product to a relevant standard 4 List of significant hazards This clause !contains all" significant hazards, hazardous situations and events (see EN 1050:1996) as far as they are dealt with in this document, identified by risk assessment as significant for the machines as defined in the scope and which require action to eliminate or reduce the risk by defining safety requirements and/or measures or by reference to relevant standards. NOTE These hazards are listed in Table 1 in accordance with Annex A of EN 1050:1996. SIST EN 1870-17:2007+A2:2009

No Hazards, hazardous situations and hazardous events EN ISO 12100 Relevant clause of this document
Part 1:2003 Part 2:2003
1 Mechanical hazards related to: - machine parts or workpieces:
a) shape; 4.2 4.2.1, 4.2.2, 5 5.3.3, 5.3.5, 5.3.7, 5.4.5
b) relative location; 5.2.2, 5.3.3, 5.3.5, 5.3.6, 5.3.7, 5.4.3, 5.4.5
d) mass and velocity (kinetic energy of elements in controlled or uncontrolled motion); 5.3.3, 5.3.7
e) mechanical strength. 5.3.2, 5.3.3
- accumulation of energy inside the machinery:
f) elastic elements (springs); 4.2 4.10, 5.5.4 5.3.3.5
g) gases under pressure; 5.2.5, 5.3.7, 5.4.12 1.1 Crushing hazard 4.2.1
5.3.6 1.2 Shearing hazard 5.3.6 1.3 Cutting or severing hazard 5.3.3.5, 5.3.3.6, 5.3.6 1.4 Entanglement hazard 5.3.6 1.5 Drawing-in or trapping hazard 5.3.6 1.6 Impact hazard 5.3.7 1.7 Stabbing or puncture hazard 5.3.6.1 1.8 Friction or abrasion hazard 5.3.6.1 1.9 High pressure fluid injection or ejection hazard
4.2.1 3.8 5.4.6 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 2.2 Contact of persons with parts which have become live under faulty conditions (indirect contact) 4.3 4.9 5.4.4 2.4 Electrostatic phenomena 4.3 4.9 5.4.9 SIST EN 1870-17:2007+A2:2009

No Hazards, hazardous situations and hazardous events EN ISO 12100 Relevant clause of this document
Part 1:2003 Part 2:2003
4 Hazards generated by noise, resulting in: 4.1 Hearing loss (deafness), other physiological disorders (loss of balance, loss of awareness) 4.5 4.2.2, 5 5.4.2 4.2 Interference with speech communication, acoustic signals.
5.4.2 6 Hazards generated by radiation 6.5 Lasers 4.7
5.4.8 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 and dusts 4.8 4.3b, 4.4
5.4.3 7.2 Fire hazard 4.8 4.4
5.4.1 8 Hazards generated by neglecting ergonomic principles in machinery design
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 Hand-arm or foot-leg anatomy 4.9 4.8.3
5.4.5 8.6 Human error, human behaviour 4.9 4.8, 4.11.8, 4.11.10, 5.5.2, 6 5.2.1, 5.2.3, 5.4.10 8.7 Design, location or identification of manual controls
4.8.7, 4.11.8
5.2.2, 5.4.11 8.8 Design or location of visual display units
4.8.8, 6.2 5.3.3.5, 5.4.5
No Hazards, hazardous situations and hazardous events EN ISO 12100 Relevant clause of this document
Part 1:2003 Part 2:2003
10 Unexpected start-up, unexpected overrun/overspeed (or any similar malfunction) from: 10.1 Failure/disorder of the control system
4.11, 5.5.4
5.2.1, 5.2.6 10.2 Uncontrolled restoration of energy supply after an interruption
4.11.4
5.2.5 10.3 External influences on electrical equipment
4.11.11 5.4.7 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
5.4.10, 6.3 11 Impossibility of stopping the machine in the best possible conditions
4.11.1, 4.11.3, 5.5.2
5.2.4, 5.3.4 13 Failure of the power supply
4.11.1, 4.11.4
5.2.5 14 Failure of the control circuit
4.11, 5.5.4
5.2.1, 5.2.6 15 Errors of fitting 4.9
4.7, 6.5
5.4.10 16 Break-up during operation 4.2.2 4.3
5.3.2, 5.3.3 17 Falling or ejected objects
4.2.2 4.3, 4.10
5.3.3.5 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 Clause 5. NOTE 1 For guidance in connection with risk reduction by design, see Clause 4 of EN ISO 12100-2:2003, and for safeguarding measures, see Clause 5 of EN ISO 12100-2:2003. NOTE 2 In addition, the machine should be designed in accordance with the principles of EN ISO 12100:2003 (parts 1 and 2) for hazards relevant but not significant, which are not dealt with by this document (e.g. sharp edges of the machine frame). SIST EN 1870-17:2007+A2:2009

6.3 of !EN ISO 13849-1:2008" gives useful information on combination of safety-related parts to the same or different categories. Verification: By checking the relevant drawings and/or circuit diagrams and inspection of the machine. 5.2.1.2 Use of well-tried components Components are considered well-tried if they comply with 6.2.4 of !EN ISO 13849-1:2008": (see also Annex D).
NOTE 1 Well-tried electrical components are listed in Table D.3 of !EN ISO 13849-2:2008". NOTE 2 !EN ISO 13849-2:2008" gives useful information on assessment of well-tried components, possible exclusion of faults etc. Time delay devices used in hard wired safety related control circuits shall be of failsafe technique e.g. of capacity type or conform to category 3 of !EN ISO 13849-1:2008". Verification: By checking the relevant drawings and/or circuit diagrams and inspection of the machine.
5.2.2 Position of controls The start and stop control for the saw spindle drive motor shall be situated either: a) incorporated in, or adjacent to the operating handle of the machine but not more than 600 mm from front edge of the workpiece support when the saw unit is in its rest position; or SIST EN 1870-17:2007+A2:2009

EN 60204-1:2006 does not apply. The safety related part of the control system for starting the rotation of the spindle (see 5.2.1) shall conform to category 1 in accordance with the requirements of !EN ISO 13849-1:2008". The requirements shall be met at the level of the control circuits. Verification: By checking the relevant drawings and/or circuit diagrams, inspection of the machine and relevant functional testing of the machine.
5.2.4 Normal stopping The machine shall be fitted with a stop control system where by the machine can be brought safely to a complete stop. The stopping action shall include disconnection from energy supply of all actuators and actuate the brake (if provided-see 5.3.4). The normal stop control systems for machines fitted with spring operated mechanical brake shall comply with stop category 0 in accordance with the requirements in 9.2.2 of EN 60204-1:2006. The normal stop control system for machines fitted with any other type of brake e.g. electrical brake shall comply with stop category 1 in accordance with the requirements in 9.2.2 of EN 60204-1:2006. Where a category 1 stop control is fitted, the stopping sequence shall be: a) cut power to all machine actuators except workpiece clamping (if fitted) and actuate the brake; b) cut power to brake(s) (if electrical brake is fitted) after the saw spindle has come to rest e.g. by using a time delay in accordance with 5.2.1.2; SIST EN 1870-17:2007+A2:2009

EN 60204-1:2006. Verification: By checking the relevant drawings and/or circuit diagrams, measurement, inspection of the machine and relevant functional testing of the machine. 5.2.6 Failure of the control circuits The requirements of Clause 6 of EN 1037:1995 apply and in addition: In the event of loss of pneumatic pressure, clamping of the workpiece shall be maintained until the return stroke of the tool is initiated. Where non-return valves are used to meet this requirement, they shall be fitted to the actuating cylinder. Also see 5.2.1. Verification: By checking the relevant drawings and/or circuit diagrams, inspection of the machine and relevant functional testing of the machine. 5.3 Protection against mechanical hazards 5.3.1 Stability It shall be possible to fix stationary machines to a suitable stable structure e.g. floor. Facilities for fixing are e.g. fixing holes in the machine frame (also see 6.3 h)). Displaceable machines fitted with wheels shall have the facility to make them stable during cutting. 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 on the machine and performing the stability test described in Annex A. 5.3.2 Risk of break-up during operation The guards for the saw blade shall be manufactured from materials with at least the following properties: a) steel with an ultimate tensile strength of at least 350 N mm-2 and a wall thickness of at least 1, 5 mm; SIST EN 1870-17:2007+A2:2009

c) polycarbonate with a wall thickness of at least 3 mm or other plastic material (e.g. polyethylene, polyester, polyvinyl chloride, polymethylmetacrylate) having an impact resistance equal or better than 3 mm polycarbonate; d) cast iron with an ultimate tensile strength of at least 200 N mm-2 and a wall thickness of at least 5 mm. Verification: By checking the relevant drawings, tensile strength, measurement, performing the test in Annex B and inspection of the machine NOTE For the ultimate tensile strength a confirmation from the manufacturer of the material can be useful.
5.3.3 Tool holder and tool design 5.3.3.1 Saw blade design The requirements of EN 847-1:2005 apply. Also see 6.3 j). Verification: By checking the relevant drawings and inspection of the machine. 5.3.3.2 Saw spindle design The saw spindle shall be manufactured: a) in steel with an ultimate tensile strength of at least 580 N mm-2; and
b) to at least the tolerances given in Annex B. The direction of the rotation of the saw spindle shall be such, that the cutting force of the saw blade is directed against the fence. Verification: By checking the relevant drawings, measurement, and relevant functional testing of the machine. NOTE
For the ultimate tensile strength a confirmation from the manufacturer of the material can be useful.
5.3.3.3 Spindle locking When it is necessary to hold the spindle stationary for saw blade changing, a spindle holding/blocking device shall be provided e.g. a set of two separate spanners or an integral locking bar inserted through the spindle. .When a blocking device is used it shall prevent tool spindle rotation and shall not be deformed after starting the spindle drive motor, with the blocking device in place. Verification: By checking the relevant drawings, inspection of the machine, measurement and relevant functional testing of the machine. SIST EN 1870-17:2007+A2:2009

The machine shall be designed so that it is not possible to mount saw blades with a greater cutting width than 6 mm. Two saw flanges shall be provided which fulfil the following requirements: # a) for saw-blades with a diameter ≤ 450 mm the diameter of both flanges shall be at least D/4 (where D = the diameter of the largest saw-blade for which the machine is designed). for saw-blades with a diameter > 450 mm, the diameter of the flanges shall be at least D/6, but not less than 115 mm;$ b) the tolerance of the outside diameters shall be within ± 1 mm; # c) the clamping surface at the outside part of flange shall be at least 5 mm in width and recessed to t
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