EN 13898:2003

SLOVENSKI STANDARD
SIST EN 13898:2004
01-september-2004
Obdelovalni stroji - Varnost - Žage za hladne kovine
Machine tools - Safety - Sawing machines for cold metal
Werkzeugmaschinen - Sicherheit - Sägemaschinen für die Kaltbearbeitung von Metall
Machines-outils - Sécurité - Machines a scier les métaux a froid
Ta slovenski standard je istoveten z: EN 13898:2003
ICS:
25.080.60 Strojne žage Sawing machines
SIST EN 13898:2004 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 13898:2004

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SIST EN 13898:2004
EUROPEAN STANDARD
EN 13898
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2003
ICS 25.080.60
English version
Machine tools - Safety - Sawing machines for cold metal
Machines-outils - Sécurité - Machines à scier les métaux à Werkzeugmaschinen -Sicherheit - Sägemaschinen für die
froid Kaltbearbeitung von Metall
This European Standard was approved by CEN on 1 August 2003.
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 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 Management Centre has the same status as the official
versions.
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 United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2003 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13898:2003 E
worldwide for CEN national Members.

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SIST EN 13898:2004
EN 13898:2003 (E)
Contents page
Foreword. 3
Introduction . 3
1 Scope . 3
2 Normative references . 4
3 Terms and definitions. 7
4 List of significant hazards. 8
5 Safety requirements and/or protective measures . 13
5.1 General. 13
5.2 Machine type-specific clauses . 13
5.3 Protection against common mechanical hazards . 17
5.4 Type–specific safeguarding requirements additional to those defined in 5.3 . 19
5.5 Other mechanical hazards . 23
5.6 Electrical hazards caused by direct and indirect contact . 25
5.7 Thermal hazards. 25
5.8 Hazards generated by noise . 25
5.9 Hazards generated by vibration . 26
5.10 Hazards generated by materials or substances processed. 26
5.11 Hazards generated by neglect of ergonomic principles in machinery design. 28
5.12 Unexpected startup unexpected overrun / over-speed . 29
5.13 Errors of fitting. 30
5.14 Falling or ejected objects or fluids. 30
5.15 Loss of stability/overturning of machinery. 31
5.16 Slip, trip and fall of persons. 31
6 Verification of safety requirements and/or measures. 31
7 Information for use . 32
7.1 Marking . 32
7.2 Instruction handbook . 32
7.3 Noise declaration . 33
Annex A (normative) Noise emission measurement . 34
Annex B (normative) Recommended test conditions for measurement of noise level at sawing
machines and work material specifications. 35
B.1 Recommended test conditions for measurement of noise level at sawing machines. 35
B.2 Work material specifications . 35
Annex C (informative) Examples of sawing machines types. 39
Annex D (informative) Examples of guarding solutions for sawing machines. 50
Annex ZA (informative) Relationship of this document with EC Directives. 57
Bibliography . 58
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SIST EN 13898:2004
EN 13898:2003 (E)
Foreword
This document (EN 13898:2003) has been prepared by Technical Committee CEN/TC 143 “Machine tools -
Safety”, the secretariat of which is held by SNV.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by March 2004, and conflicting national standards shall be withdrawn at
the latest by March 2004.
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 EC Directive(s).
For relationship with EC Directives, see informative annex ZA, which is an integral part of this document.
Annexes A and B are normative.
Annexes C and D are informative.
This document includes a Bibliography.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries 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.
0 Introduction
This standard is a type 'C' standard (see introduction of EN 292–1:1991) which applies to sawing machines.
The extent to which significant hazards are covered by this standard is indicated in the scope of this standard.
In addition, sawing machines should comply, as appropriate, with EN 292–1 and –2 for hazards which are not
covered by this standard.
Complementary requirements and guidance are given in type A and type B standards to which reference is
made in the text.
The figures are intended to be examples and not to give the only interpretation of the text.
1 Scope
1.1 This standard specifies the safety requirements and measures to be adopted by persons undertaking the
design, construction and supply (including installation, setting–up, maintenance, and repair) of machines
whose primary intended use is for sawing cold metal (ferrous and non-ferrous), or material partly of cold
metal, by means of a saw blade.
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1.2 This standard takes into account the intended use, reasonably foreseeable misuse, machine setting and
blade fitting, maintenance and cleaning, and their effects on the safety of operators and other exposed
persons. It presumes access to the machine from all directions at floor level and addresses both normal
operation and unexpected or unintended starting.
1.3 This standard applies to the ancillary devices which form an integral part of the machine. Where such
devices are not an integral part of the machine, the designer, manufacturer or supplier of the installation
should take into account their intended use, and should make provision for the safe linking of such devices
with the machine.
1.4 This standard applies to (metal) sawing machines which are manufactured after the date of publication by
CEN of this standard.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other publications.
These normative references are cited at the appropriate places in the text, and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to
this European Standard only when incorporated in it by amendment or revision. For undated references the
latest edition of the publication 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, Safety of machinery – Basic concepts, general principles for design – Part 2: Technical
principles and specifications.
EN 292-2/A1:1995, Safety of machinery – Basic concepts, general principles for design – Part 2: Technical
principles and specifications, Amendment A1.
EN 294:1992, Safety of machinery – Safety distance to prevent danger zones being reached by the upper
limbs.
EN 349, Safety of machinery – Minimum gaps to avoid crushing of parts of the human body.
EN 414, Safety of machinery – Rules for the drafting and presentation of safety standards.
EN 418, Safety of machinery – Emergency stop equipment, functional aspects – Principles for design.
EN 614-1, Safety of machinery – Ergonomic design principles – Part 1: Terminology and general principles.
EN 614-2, Safety of machinery - Ergonomic design principles - Part 2: Interactions between the design of
machinery and work tasks.
EN 626-1, Safety of machinery – Reduction of risks to health from hazardous substances emitted by
machinery – Part 1: Principles and specifications for machinery manufacturers.
EN 811, Safety of machinery – Safety distances to prevent danger zones being reached by the lower limbs.
EN 842, Safety of machinery - Visual danger signals - General requirements, design and testing.
EN 894-1, Safety of machinery - Ergonomic requirements for the design of displays and control actuators -
Part 1: General principles for human interactions with displays and control actuators.
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EN 894-2, Safety of machinery - Ergonomics requirements for the design of displays and control actuators -
Part 2: Displays.
EN 894-3, Safety of machinery - Ergonomics requirements for the design of displays and control actuators -
Part 3: Control actuators.
EN 953:1997, Safety of machinery – Guards – General requirements for the design and construction of fixed
and movable guards.
EN 954-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for
design.
EN 981, Safety of machinery - System of auditory and visual danger and information signals.
EN 982, Safety of machinery – Safety requirements for fluid power systems and their components –
Hydraulics.
EN 983, Safety of machinery – Safety requirements for fluid power systems and their components –
Pneumatics.
EN 999, Safety of machinery – The positioning of protective equipment in respect of approach speeds of parts
of the human body.
EN 1005-1, Safety of machinery – Human physical performance – Part1: Terms and definitions.
EN 1005-2, Safety of machinery – Human physical performance – Part 2: Manual handling of machinery and
component parts of machinery.
EN 1005-3, Safety of machinery – Human physical performance – Part 3: Recommended force limits for
machinery operation.
EN 1033, Hand-arm vibration – Laboratory measurement of vibration at the grip surface of hand-guided
machinery – General.
EN 1037:1995, Safety of machinery – Prevention of unexpected start-up.
EN 1050:1996, Safety of machinery – Principles for risk assessment.
EN 1070:1998, Safety of machinery – Terminology.
EN 1088:1995, Safety of machinery – Interlocking devices associated with guards – Principles for design and
selection.
EN 1299, Mechanical vibration and shock – Vibration isolation of machines – Information for the application of
source isolation.
EN 1760-1, Safety of machinery – Pressure sensitive protective devices – Part 1: General principles for the
design and testing of pressure sensitive mats and pressure sensitive floors.
EN 1837, Safety of machinery – Integral lighting of machines.
EN 60204-1:1997, Safety of machinery - Electrical equipment of machines - Part 1: General requirements
(IEC 60204-1:1997).
EN 61000-6-2, Electromagnetic compatibility (EMC) – Part 6-2: Generic standards; Immunity for industrial
environments (IEC 61000-6-2: 1999, modified).
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EN 61000-6-4, Electromagnetic compatibility (EMC) – Part 6-4: Generic standards; Emission standard for
industrial environments (IEC 61000-6-4:1997, modified).
EN 61496-1:1997, Safety of machinery – Electro-sensitive protective equipment – Part 1: General
requirements and tests (IEC 61496-1:1997).
EN ISO 3744, 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, Acoustics – Declaration and verification of noise emission values of machinery and equipment
(ISO 4871:1996).
EN ISO 7250, Basic human body measurements for technological design (ISO 7250:1996).
EN ISO 9614-1, 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
sound pressure levels at a work station and at other specified positions - Survey method in situ (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 11546-1, Acoustics - Determination of sound insulation performances of enclosures - Part 1:
Measurements under laboratory conditions (for declaration purposes) (ISO 11546-1:1995).
EN ISO 11546-2, Acoustics - Determination of sound insulation performances of enclosures - Part 2:
Measurements in situ (for acceptance and verification purposes) (ISO 11546-2:1995).
EN ISO 11688-1, Acoustics - Recommended practice for the design of low-noise machinery and equipment -
Part 1: Planning (ISO/TR 11688-1:1995).
EN ISO 11688-2, Acoustics - Recommended practice for the design of low-noise machinery and equipment -
Part 2: Introduction to the physics of low-noise design (ISO/TR 11688-2:1998).
EN ISO 11691, Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey
method (ISO 11691:1995).
EN ISO 11820, Acoustics - Measurements on silencers in situ (ISO 11820:1996).
EN ISO 11821, Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO
11821:1997).
EN ISO 14122-2, Safety of machinery - Permanent means of access to machinery - Part 2: Working platforms
and walkways (ISO 14122-2:2001).
EN ISO 14122-3, Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders
and guard-rails (ISO 14122-3:2001).
ISO 683-1, Heat-treatable steels, alloy steels and free-cutting steels – Part 1: Direct-hardening unalloyed and
low alloyed wrought steel in form of different black products.
IEC 61496-2:1997, Safety of machinery – Electro-sensitive protective equipment – Part 2: Particular
requirements for equipment using active optoelectronic protective devices (AOPDs).
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3 Terms and definitions
For the purposes of this European Standard, the terms and definitions given in EN 292-1:1991 and EN
1070:1998 and the following.
3.1
saw blade
toothed cutting tool used with a circular–, band–, and hack–sawing machine
3.2
saw blade mounting position
area or zone of the machine where provision exists for operators to mount, adjust/align and dismount saws;
access is not required during sawing, but access is a normal requirement for setting and maintenance
3.3
load/unload positions
areas or zones of the machine where provision exists for manual loading onto, or unloading work material(s)
from the machine, frequent, but not continuous access, is required of operators during normal operation of the
machine
3.4
manual sawing process
operation of the machine under manual control, all process steps in the machining sequence are controlled or
started by the operator
3.5
semi-automatic or single-cycle machine
machine in which the power-operated elements perform a single cycle initiated by the operator
NOTE A typical cycle can be:
- clamp work material
- feed saw blade to work material
- sawing process
- saw blade retraction
- unclamp work material
3.6
automatic machine
machine in which the power-operated elements perform continuous or repeat cycles, the first cycle initiated by
a control system start from the operator until either an automatically-determined condition is achieved, or a
stop signal is given by the operator
NOTE A typical cycle can be:
- feeding of work material
- clamping of work material
- feeding of saw blade through work material
- saw blade retraction
- unclamping of work piece
- unloading of work piece
- unclamping of work material
- repeat above cycle until stop signal
3.7
back jaw feed (hitch feed)
power-operated work material feeding device having a carriage-mounted vice which grips the work material at
any point along its length and traverses it to the sawing position, the required work material length is
determined by the stroke of the feed carriage
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3.8
push feed
power-operated work material feeding device pushing on the tail end of the work material to advance it to a
position or length stop which determines the required work material length
3.9
roller feed
power-operated work material feeding device in which the work material is fed by a roller or rollers, such
devices can incorporate work piece gripping and length measuring systems
3.10 Kinds of sawing processes
3.10.1
profile and contour cutting
work material is pushed either by hand or under power through the saw blade, following a path which is not
parallel to the plane of the saw blade, profile and contour cutting uses a vertical band-sawing machine, fixed
saw frame, contour cutting type
3.10.2
mitre-sawing
work material is cut out of square to the longitudinal axis
3.11
work area
danger zone through which the saw blade traverses to process the work material and includes the work
material holding mechanism (where applicable)
3.12 Metalworking fluid systems
3.12.1
recirculating system
metalworking fluid system with collection and pumped recirculation of the fluid
3.12.2
minimum quantity system
system where a small volume of the fluid is supplied to the saw blade; no circulation of the fluid is required
due to the small consumption
3.13
metalworking fluid
fluid to cool and lubricate the sawing process (e.g. oil, oil mist, alcohol, mixture of oil and water)
4 List of significant hazards
4.1 The list of hazards contained in Table 1 is the result of a hazard identification and risk assessment carried
out as described by EN 1050, for sawing machines covered by the scope of this standard. The safety
requirements and/or protective measures and information for use contained in clauses 5 and 7 are based on
the risk assessment and deal with the identified hazards by either eliminating them or reducing the effects of
the risks they generate.
4.2 The risk assessment assumes foreseeable access from all directions, as well as unexpected start–up.
Risks to both the operators and other persons who can have access to the hazard zones are identified, taking
into account hazards which can occur under various conditions (e.g. commissioning, set–up, production,
maintenance, repair, decommissioning) during the life of the machine. The assessment includes an analysis
of the effect of failure in the control system.
4.3 In addition, the user of this standard (i.e. the designer, manufacturer, supplier) shall validate that the risk
assessment is complete for the machine under consideration with particular attention to:
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– the intended use of the machine including maintenance, setting and cleaning, and its reasonably
foreseeable misuse;
– the identification of the significant hazards associated with the machine.
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Table 1 — List of significant hazards and major sources of these hazards
a
Hazard Examples of hazardous situation/activity Danger zone(s)
1 Mechanical hazards (for safety requirements, see 5.3, 5.4, 5.5)
1.1 Crushing hazard Power-operated work material clamping Between clamps and work material
during loading/re-orientating/ unloading work
material
Power-operated in feed during running, Between material and work support;
sawing, machine setting, saw blade between fixed and moving parts of
changing, maintenance, repair the machine
1.2 Shearing hazard Power-operated and manual work material Between saw blade and work
feeding during loading, unloading, machine support; work material and work
setting, saw blade fitting support
1.3 Cutting or severing Moving saw blade during operation, machine At the saw blade
hazard setting, saw blade changing, maintenance,
repair
1.4 Entanglement hazard Power-operated and manual saw blade feed At the saw blade and adjacent
during operation stationary parts of machine.
Between saw blade cleaning device
and saw blade
Machine elements in powered motion (e.g. At moving machine elements
power transmission elements).
1.5 Drawing-in or Power-operated and manual work material At work material and infeed
trapping hazard feeding or moving saw blade during operation mechanism and adjacent parts of
machine
Machine elements in powered motion (e.g. At load/unload and operating
power transmission elements). positions and near sawing zones.
1.6 Impact hazard Power-operated work handling during Machine elements in powered
operation, machine setting, saw blade fitting motion
Gravity fall (e.g. hack saw during operation)
At work material and work handling
mechanisms
1.7 Stabbing or puncture Handling saw blade(s) At saw blade (especially during
hazard changing)
2 Electrical hazards (for safety requirements, see 5.6)
2.1 Direct electrical Contact with live parts during operation, Control and other electrical
contact machine setting, saw blade changing, and equipment.
maintenance.
2.2 Contact of persons During fault conditions. Conductive parts of the machine
with parts which have
become live under
fault
3 Thermal hazards (for safety requirements, see 5.7)
3.1 Contact with hot Ejection of hot swarf or work pieces during At and/or near machine, saw blade
surfaces sawing and cut surfaces of the work piece
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4 Hazards generated by noise (for safety requirements, see 5.8)
4.1 Hearing loss – Saw blade and work material vibration, At and/or near machine.
(deafness), other – Aerodynamic noise from saw blade,
physiological – Work material handling,
disorders (e.g. loss of – The power generation and transmission
balance, loss of elements,
awareness)
4.2 Interference with During running or sawing.
speech
communication,
acoustical signals
5 Hazards generated by vibration (for safety requirements, see 5.9)
5.1 Contact of persons Work material or handle held by operator. At work material.
with vibrating (feeding or damping vibration) during running At machine manual controls
machine manual or sawing.
controls or work
material
7 Hazards generated by materials and substances processed, used or exhausted (for safety
requirements, see 5.10)
7.1 Hazards from Skin contact with harmful materials At and/or near machine
contact,
inhalation, or Inhalation and ingestion of substances (e.g. At and/or near machine
ingestion of harmful metalworking fluid) used or generated during
substances operation.
(fluids, mists, gases, Ejection of dust, mist and fumes during At and/or near machine
fumes, dust) operation.
7.2 Fire or explosion – Flammable work material (e.g. At and/or near machine
hazard magnesium).
– Loss of cooling fluid supply to sawing.
7.3 Biological and Contact with contaminated fluids or work At and/or near machine
microbiological (viral material.
or bacterial) hazard
8 Hazards generated by neglecting ergonomic principles (for safety requirements, see 5.11)
8.1 Unhealthy postures Feeding work material by hand into saw At the saw blade
or excessive effort blade during running, sawing.
(repetitive strain)
Excessive efforts, Lifting and reaching while handling work At load/unload and saw blade
and/or repetitive material, saw blades and/or machine parts. mounting positions and
strain. maintenance action points
8.2 Inadequate Operating manual machines. At operating position while working
consideration of
hand–arm anatomy
8.3 Neglected use of Handling of work material, saw blades, At machine, saw blade(s) and
personal protection machine assemblies during loading, metalworking fluid
equipment unloading, sawing, machine fitting,
maintenance, repair.
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8.4 Inadequate local Judgement and accuracy of manual actions At load/unload and saw blade
lighting. impaired during handling/positioning of work mounting positions
material and saw blades.
During loading and unloading, during
machine setting, saw blade changing, and
maintenance.
8.6 Human errors, Reasonably foreseeable misuse. At machine.
human behaviour Inadvertent operation of controls.
Incorrect work material and saw blade
handling and setting.
During loading, unloading, sawing, machine
setting, saw blade changing, maintenance
8.7 Hazards caused by Unsuitable location and selection of manual At machine.
inadequate design, controls (e.g. starting, stopping, cooling fluid
location, or control devices) during operation, machine
identification of setting, saw blade changing, maintenance.
manual controls
8.8 Inadequate design, Misinterpretation of displayed information At machine
location of visual
display units
10 Unexpected start–up, unexpected overrun/ overspeed (for safety requirements, see 5.12)
10.1 Failure/disorder of during setting, cleaning At machine
the control system
10.2 Restoration of energy during setting, cleaning or maintenance At or near machine
supply after an
interruption
10.3 External influences during setting or operating cycle of the At or near machine
on the electrical machine
equipment
Impossibility of
11 Failure of malfunction of control system At or near machine
stopping the during setting or operating cycle o
...