SIST EN 940:2009
(Main)Safety of woodworking machines - Combined woodworking machines
Safety of woodworking machines - Combined woodworking machines
This European Standard specifies the requirements and/or measures to remove the hazards and/or limit the risks on combined woodworking machines (a combination of two or more elements for surface planing, circular sawing, vertical spindle moulding, boring [mortising] and thickness planing) hereinafter referred to as machines, designed to cut solid wood, chipboard, fibreboard, plywood, and also these materials where they are covered with plastic laminates or edging or veneer. Electrically driven machines excluded by clause (e) of the scope of this standard are covered by the requirements of prEN 60129-1: 1996, EN 61029-2-3: 1996 , prEN 61029-2-8: 1996 and EN 50144-1: 1995. This standard covers all of the hazards relevant to this machine. These hazards are listed in clause 4. This European Standard does not apply to: - (a)combined machines which consist only of a surface planing element and a thickness planing element (see EN 861:1997) - (b)combined machines with a bandsaw element - (c)machines with any additional elements not specified in this standard - (d)hand held woodworking machines, or any adaptation permitting their use in a different mode, i.e. bench mounting - (e)machines set up on a bench or a table similar to a bench which are intended to carry out work in a stationary position and capable of being lifted by hand by one person. This standard is primarily directed to machines which are manufactured after the date of issue of this standard.
Sicherheit von Holzbearbeitungsmaschinen - Kombinierte Holzbearbeitungsmaschinen
Dieses Dokument detailliert die in Abschnitt 4 aufgeführten signifikanten Gefährdungen, Gefährdungssituationen
und Gefährdungsereignisse, die auf stationäre und verschiebbare kombinierte Holzbearbeitungsmaschinen
mit zwei oder mehreren von den nur nachfolgend aufgeführten Einheiten zutreffen:
- zum Abrichthobeln,
- zum Sägen (gemeinsamer Betrieb oder nicht mit der Tischfräseinheit mit senkrechter Spindel),
- zum Tischfräsen mit senkrechter Spindel,
- zum Bohren [Langlochbohren] und
- zum Dickenhobeln,
im Folgenden als „Maschinen“ bezeichnet, die konstruiert sind zum Bearbeiten von Massivholz, Spanplatten,
Faserplatten, Sperrholz sowie diesen Werkstoffen, wenn sie kunststoffbeschichtet oder mit Kunststoffkanten
oder mit Furnier versehen sind, wenn sie bestimmungsgemäß und entsprechend den vorhersehbaren
Bedingungen des Herstellers verwendet werden.
ANMERKUNG 1 Hinsichtlich der Definitionen für stationäre und verschiebbare Maschinen siehe 3.12 und 3.13.
ANMERKUNG 2 Die spezifischen Anforderungen an abnehmbare Vorschubapparate werden bei der nächsten
Überarbeitung dieses Dokuments in Betracht gezogen.
Dieses Dokument gilt nicht für:
- kombinierte Maschinen, die nur aus einer Abricht- und einer Dickenhobeleinheit bestehen;
ANMERKUNG 3 Kombinierte Maschinen, die nur aus einer Abricht- und einer Dickenhobeleinheit bestehen, sind in
EN 861:2007 erfasst.
- kombinierte Maschinen mit einer Bandsäge-Einheit;
- kombinierte transportable elektrisch angetriebene Werkzeuge oder irgendwelche Anpassungen, die ihre
Verwendung in einer anderen Weise z. B. Einbau in einem Gestell ermöglichen;
ANMERKUNG 4 Kombinierte transportable elektrisch angetriebene Werkzeuge sind durch die Anforderungen in
EN 61029-1:2000 und EN 61029-2-11:2003 erfasst.
- Maschinen mit einer durch einen eigenen Motor angetriebenen Langlochbohreinheit.
Dieses Dokument gilt nicht für kombinierte Holzbearbeitungsmaschinen, die vor dem Datum seiner(...)
Sécurité des machines pour le travail du bois - Machines combinées pour le travail du bois
Le présent document spécifie tous les phénomènes, situations et événements dangereux significatifs, tels qu’énumérés à l’Article 4, applicables aux machines combinées pour le travail du bois, fixes et déplaçables associant au moins deux des unités intégrées suivantes:
- dégauchissage ;
- sciage avec lame de scie circulaire (travaillant simultanément ou non avec une unité de toupillage à arbre vertical) ;
- toupillage à arbre vertical ;
- alésage (mortaisage) ; et
- rabotage
désignées ci-après par le terme "machines". Celles-ci sont conçues pour la coupe de bois massif, de panneaux de particules ou de fibres, de contreplaqué ainsi que ces matériaux lorsque leurs surfaces ou leurs chants sont recouverts de matière plastique ou d’un stratifié de plastique, durant l’utilisation normale et dans les conditions prévues par le fabricant.
NOTE 1 Pour la définition d’une machine fixe et d’une machine déplaçable, voir 3.12 et 3.13.
NOTE 2 Les prescriptions spécifiques concernant une unité d’alimentation mécanisée escamotable sera prise en compte lors de la prochaine révision.
Le présent document ne s’applique pas :
- aux machines combinées composées uniquement d’une unité de dégauchissage et d’une unité de rabotage,
NOTE 3 Les machines combinées composées uniquement d’une unité de dégauchissage et d’une unité de rabotage sont traitées dans l’EN 861:2007.
- aux machines combinées avec une scie à ruban,
- aux machines-outils électriques combinées semi-fixes, ou à toute adaptation permettant leur utilisation de manière différente, c’est-à-dire fixées sur un établi,
NOTE 4 Les machines-outils électriques semi-fixes combinées sont couvertes par les prescriptions des normes EN 61029-1:2000 et EN 61029-2-11:2003.
- aux machines comportant une unité de mortaisage entraînée par un moteur séparé.
Le présent document n’est pas applicable aux machines combinées pour le travail du bois construites avant sa date de publication en tant qu’EN.
Varnost lesnoobdelovalnih strojev - Kombinirani lesnoobdelovalni stroji
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 940:2009
01-oktober-2009
1DGRPHãþD
SIST EN 940:2000
SIST EN 940:2000/AC:2000
SIST EN 940:2000/kprA1:2009
Varnost lesnoobdelovalnih strojev - Kombinirani lesnoobdelovalni stroji
Safety of woodworking machines - Combined woodworking machines
Sicherheit von Holzbearbeitungsmaschinen - Kombinierte Holzbearbeitungsmaschinen
Sécurité des machines pour le travail du bois - Machines combinées pour le travail du
bois
Ta slovenski standard je istoveten z: EN 940:2009
ICS:
79.120.10 Lesnoobdelovalni stroji Woodworking machines
SIST EN 940:2009 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 940:2009
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SIST EN 940:2009
EUROPEAN STANDARD
EN 940
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2009
ICS 79.120.10 Supersedes EN 940:1997
English Version
Safety of woodworking machines - Combined woodworking
machines
Sécurité des machines pour le travail du bois - Machines Sicherheit von Holzbearbeitungsmaschinen - Kombinierte
combinées pour le travail du bois Holzbearbeitungsmaschinen
This European Standard was approved by CEN on 10 July 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 940:2009: E
worldwide for CEN national Members.
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SIST EN 940:2009
EN 940:2009 (E)
Contents Page
Foreword .4
Introduction .5
1 Scope .6
2 Normative references .6
3 Terms and definitions .8
4 List of significant hazards . 15
5 Safety requirements and/or measures . 18
5.1 General . 18
5.2 Controls . 18
5.2.1 Safety and reliability of control systems . 18
5.2.2 Position of controls . 20
5.2.3 Starting . 20
5.2.4 Normal stopping . 20
5.2.5 Emergency stop . 21
5.2.6 Control and operating mode selection . 22
5.2.7 Speed changing . 22
5.2.8 Direction of rotation. 23
5.2.9 Failure of the power supply . 24
5.2.10 Failure of the control circuits . 24
5.3 Protection against mechanical hazards . 24
5.3.1 Stability . 24
5.3.2 Risk of break-up during operation . 24
5.3.3 Tool holder and tool design . 24
5.3.4 Braking system . 25
5.3.5 Devices to minimise the possibility or the effect of ejection . 25
5.3.6 Workpiece supports and guides . 25
5.3.7 Prevention of access to moving parts . 28
5.3.8 Clamping devices . 31
5.3.9 Safety appliances. 31
5.4 Protection against non-mechanical hazards . 32
5.4.1 Fire . 32
5.4.2 Noise . 32
5.4.3 Emissions of chips and dust . 32
5.4.4 Electricity . 32
5.4.5 Ergonomics and handling . 33
5.4.6 Pneumatics . 33
5.4.7 Hydraulics . 33
5.4.8 Electromagnetic compatibility . 33
5.4.9 Laser . 34
5.4.10 Static electricity . 34
5.4.11 Errors of fitting . 34
5.4.12 Supply disconnecting devices (Isolation) . 34
5.4.13 Maintenance . 34
6 Information for use . 35
6.1 General . 35
6.2 Marking . 35
6.3 Instruction handbook . 36
Annex A (normative) Stability test for displaceable machines . 39
Annex B (informative) Use of well tried components . 40
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EN 940:2009 (E)
Annex C (normative) Use of electronic components . 41
C.1 General . 41
C.2 SRECS design . 41
C.2.1 Components, hardware . 41
C.2.2 Safety related software . 42
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 98/37/EC . 44
Annex ZB (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2006/42/EC . 47
Bibliography . 51
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SIST EN 940:2009
EN 940:2009 (E)
Foreword
This document (EN 940:2009) has been prepared by Technical Committee CEN/TC 142 “Woodworking
machines - Safety”, the secretariat of which is held by UNI.
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 February 2010, and conflicting national standards shall be withdrawn
at the latest by February 2010.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 940:1997.
This European Standard 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
98/37/EC and 2006/42/EC.
For relationship with EU Directives 98/37/EC and 2006/42/EC, see informative Annexes ZA and ZB, which are
integral parts of this document.
Organisation contributing to the preparation of this European standard include the European Association of
Manufacturers of woodworking machines "EUMABOIS".
The main modifications to EN 940:1997 relate to exclusion of mortising unit driven by a separate motor, to the
introduction of categories and requirements on electronic components for control systems.
The European Standards produced by CEN/TC 142 are particular to woodworking machines and complement
the relevant A and B Standards on the subject of general safety. (See the introduction of
EN ISO 12100-1:2003 and/or EN ISO 12100-2:2003 for a description of A, B and C Standards.)
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: 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 the United Kingdom.
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SIST EN 940:2009
EN 940:2009 (E)
Introduction
This document has been prepared to be a harmonised standard to provide one means of conforming with the
Essential Safety Requirements of the Machinery Directive and associated EFTA Regulations and is a type C
standard as defined in EN ISO 12100-1:2003.
The machinery concerned and the extent to which hazards, hazardous situations and events covered are
indicated in 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, the
provisions of this C type standard take precedence over the provisions of other standards, for machines that
have been designed and built according to the provisions of this type C standard.
The requirements of this document are directed to manufacturers and their authorised representatives of
combined woodworking machines. They are also useful for designers.
This document also includes provisions and example of information to be provided by the manufacturer to the
user.
Common requirements for tooling are given in EN 847-1:2005.
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SIST EN 940:2009
EN 940:2009 (E)
1 Scope
This document specifies all significant hazards, hazardous situations and events as listed in Clause 4 which
are relevant to stationary and displaceable combined woodworking machines with two or more of only the
following integrated units:
surface planing,
circular sawing (working simultaneously or not with vertical spindle moulding unit),
vertical spindle moulding,
boring [mortising] and
thickness planing
hereinafter referred to as machines, designed to cut solid wood, chipboard, fibreboard, plywood, and also
these materials where they are covered with plastic laminates or edging or veneer, when they are used as
intended and under the conditions foreseen by the manufacturer.
NOTE 1 For the definitions of stationary and displaceable machine see 3.12 and 3.13.
NOTE 2 The specific requirements on demountable power feed unit will be considered during next revision of this
document.
This document does not apply to:
combined machines which consist only of a surface planing unit and a thickness planing unit;
NOTE 3 Combined machines consisting of only of a surface planing unit and a thickness planing unit are dealt with in
EN 861:2007.
combined machines with a band saw unit;
transportable motor-operated electric combined tools, or any adaptation permitting their use in a different
mode, i.e. bench mounting;
NOTE 4 Transportable motor-operated electric combined tools are covered by the requirements of EN 61029-1:2000
and EN 61029-2-11:2003.
machines with mortising unit driven by a separate motor.
This document is not applicable to combined woodworking machines which are manufactured before the date
of its publication as EN.
NOTE 5 Machines covered by this European Standard are listed under A.5 of Annex IV of the Machinery Directive
98/37/EC and under 5 of Annex IV of Machinery Directive 2006/42/EC.
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.
EN 349:1993, Safety of machinery – Minimum gaps to avoid crushing of parts of the human body
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EN 940:2009 (E)
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 848-1:2007, Safety of woodworking machines – One side moulding machines with rotating tool – Part 1:
Single spindle vertical moulding machines
EN 859:2007, Safety of woodworking machines – Hand fed surface planing machines
EN 860:2007, Safety of woodworking machines – One side thickness planing machines
EN 861:2007, Safety of woodworking machines – Surface planing and thicknessing machines
EN 894-3:2000, Safety of machinery – Ergonomics requirements for the design of display and control
actuators – Part 3: Control actuators
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 1005-3:2002, Safety of machinery – Human physical performance – Part 3: Recommended force limits for
machinery operation
EN 1037:1995, Safety of machinery – Prevention of unexpected start-up
EN 1088:1995, Safety of machinery – Interlocking devices associated with guards – Principles for design and
selection
EN 1870-1:2007, Safety of woodworking machines – Circular sawing machines – Part 1: Circular saw
benches (with and without sliding table), dimension saws and building site saws
EN 50178:1997, Electronic equipment for use in power installations
EN 50370-1:2005, Electromagnetic compatibility (EMC) – Product family standard for machine tools – 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 61496-1:2004, Safety of machinery – Electro sensitive protective equipment – Part 1: General
requirements and tests (IEC 61496-1:2004, modified)
EN 61508-3:2001, Functional safety of electrical/electronic/programmable electronic safety-related systems –
Part 3: Software requirements (IEC 61508-3:1998 + Corrigendum 1999)
EN 62061:2005, Safety of machinery – Functional safety of safety-related electrical, electronic and
programmable electronic control systems (IEC 62061:2005)
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)
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EN ISO 4871:1996, Acoustics – Declaration and verification of noise emission values of machinery and
equipment (ISO 4871:1996)
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)
)
1
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 13849-2:2008, Safety of machinery – Safety related parts of control systems – Part 2: Validation
(ISO 13849-2:2003)
EN ISO 13850:2008, Safety of machinery – Emergency stop – Principles for design (ISO 13850:2006)
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
3 Terms and definitions
For the purposes of this document the terms and definitions given in EN ISO 12100-1:2003, in 3.1 of
EN 847-1:2005 and the following apply:
NOTE The elements of combined machines and their terminology are illustrated in 3.3 of EN 848-1:2007,
EN 859:2007, EN 860:2007, EN 861:2007 and EN 1870-1:2007 (see also Figure 3).
3.1
combined machine
machine incorporating two or more units such as planer, circular saw, spindle moulder, thicknesser, mortiser,
and designed and constructed in such a way as to enable each unit to be used separately, where the
workpiece is primarily fed by hand and manually removed between each operation as illustrated in Figures 1a),
1b) and 2a), 2b)
NOTE It can also have facilities for connection of a demountable power feed unit, for saw unit and moulding
unit to work at the same time, for grooving (with saw unit), for post formed edge pre-cutting (with saw unit).
1)
EN ISO 13849-1:2006 superseded EN 954-1:1996.
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a) Example of combined woodworking machine with saw bench and spindle moulder fitted with
travelling table
b) Example of combined woodworking machine with dimension saw and spindle moulder fitted with
integral sliding table
Figure 1 — Combined woodworking machine with saw and moulding units
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EN 940:2009 (E)
a) Example of combined woodworking machine with saw bench, spindle moulder, surface planing,
thicknessing and mortising units, fitted with travelling table
b) Example of combined woodworking machine with dimension saw, spindle moulder, surface planing,
thicknessing and mortising units fitted with integral sliding table
Figure 2 — Combined woodworking machine with surface planing, thicknessing, mortising, saw and
moulding units
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EN 940:2009 (E)
3.2
surfacing planing unit
element of a combined machine designed for cutting off layers of the lower surface of a workpiece by a
cutterblock rotating around a horizontal axis, mounted at right angles to the infeed direction between two
tables designed to position and support the workpiece
NOTE The cutterblock is a cylindrical shaped complex tool equipped with knives producing horizontal straight cuts
while rotating (for a description of the complex tool, see also EN 847-1:2005). The workpiece is fed into the machine
against the direction of the cut.
3.3
thicknesser unit
element of a combined machine designed for cutting off layers of the upper surface of a workpiece by a
cutterblock rotating around a horizontal axis, mounted at right angles to the infeed direction above the table
designed to position and support the workpiece
NOTE The cutterblock is a cylindrical shaped complex tool equipped with knives producing horizontal straight cuts
while rotating (for a description of the complex tool, see also EN 847-1:2005). The workpiece is fed into the machine
against the direction of the cut.
3.4
circular saw bench unit
element of a combined machine fitted with a single circular saw blade which is fixed during the cutting
operation, and a horizontal table, all or part of which is fixed during operation
NOTE The saw blade is mounted on a horizontal spindle below the table. The unit may have any of the following
main features:
a) facility for the saw blade to be raised and lowered through the table;
b) facility to tilt the saw blade for angled cutting;
c) machine frame below the table may be open or closed in;
d) additional, manually operated sliding table (not adjacent to the saw blade);
e) facility for scoring;
f) facility for grooving.
3.5
dimension saw unit
element of a combined machine circular saw bench which has an integral sliding table adjacent to the saw
blade which may have the facility for post-formed edge pre-cutting
3.6
vertical spindle moulder unit
element of a combined machine fitted with a single vertical spindle (fixed or removable) the position of which
is fixed during machining and a horizontal table, all or part of which are fixed during operation.
NOTE 1 The spindle passes through the table and its drive motor is situated beneath the table.
NOTE 2 The unit may have any of the following features:
a) the facility for the spindle to be vertically adjustable relative to the table;
b) the facility to tilt the spindle;
c) the facility for fitting an additional manually operated tenoning sliding table;
d) the facility for an adjustable table insert.
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EN 940:2009 (E)
3.7
mortising unit
(drilling) (fixed or detachable)
element of a combined machine which is designed for slot boring (mortising) or boring by means of a single
rotating tool and a moveable table
NOTE The tool holding device e.g. chuck, is mounted on one end of the cutter block (see Figure 3).
Key
1 vertical adjustment
2 infeed slide
3 table
4 workpiece clamp
5 height stop
6 horizontal length stops
7 horizontal depth stop
8 chuck
9 vertical adjustment lock
10 table movement control lever
11 chuck guard
Figure 3 — Example of a mortising unit
3.8
surface planer/thicknesser unit
element of a combined machine designed to plane a surface of a workpiece and to give it in a following
operation a set thickness by means of a horizontally rotating cutterblock, a cylindrical shaped complex tool
equipped with knives producing horizontal straight cuts while rotating
NOTE 1 For a description of the complex tool, see also EN 847-1:2005.
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NOTE 2 The workpiece is fed into the machine against the direction of the cut.
NOTE 3 When planing, the workpiece is passed over the cutterblock located between two tables which are used to
position and support the workpiece and the lower surface is planed. The infeed table of the surface planing unit is
adjustable in height.
When thicknessing, both of the planing tables are raised. The workpiece rests on the thicknessing table the distance
between it and the cutting circle diameter is adjustable. The upper surface of the workpiece is planed.
3.9
machine actuator
power mechanism designed to effect motion of the machine
3.10
hand feed
manual holding and/or guiding of the workpiece or of a machine element incorporating a tool
NOTE Hand feed includes the use of a hand operated carriage on which the workpiece is placed manually or
clamped and the use of a demountable power feed unit.
3.11
demountable power feed unit
power feed mechanism which is mounted on the machine so that it can be moved from its working position to
a rest position and vice versa without the use of a spanner or similar additional device
3.12
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 fixed in position during machining
3.13
displaceable machine
machine which is located on the floor, stationary during machining and equipped with a device, such as
wheels, which allows it to be moved between locations
3.14
safety appliance
additional device which is not an integral part of the machine but which assists the operator in the safe feeding
of the workpiece e.g. push block or push stick
3.15
kickback
particular form of ejection describing the uncontrolled movement of the workpiece or parts of it or parts of the
machine opposite to the direction of feed during processing
3.16
run-up time
elapsed time from the actuation of the start control device until the spindle reaches the actual speed related to
the intended speed
3.17
run-down time
elapsed time from the actuation of the stop control device up to spindle standstill
3.18
cutting area of the tool
area where the tool can be involved in the cutting process
3.19
non-cutting area of the tool
area where the tool is not involved in the cutting process
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EN 940:2009 (E)
3.20
integrated feed
feed mechanism for the workpiece or tool which is integrated with the machine and where the workpiece or
machine element with the incorporated tool are held and controlled mechanically during the machining
operation
...
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