EN 60745-1:2006
(Main)Hand-held motor-operated electric tools - Safety - Part 1: General requirements
Hand-held motor-operated electric tools - Safety - Part 1: General requirements
Deals with the safety of hand-held motor-operated or magnetically driven electric tools, the rated voltage of the tools being not more than 250 V for single-phase a.c. or d.c. tools, and 440 V for three-phase a.c. tools. This standard deals with the common hazards presented by hand-held tools which are encountered by all persons in the normal use and reasonably foreseeable misuse of the tools.
Handgeführte motorbetriebene Elektrowerkzeuge - Sicherheit - Teil 1: Allgemeine Anforderungen
Outils électroportatifs à moteur - Sécurité - Partie 1: Règles générales
S'applique aux outils portatifs à moteur électrique ou à entraînement magnétique, la tension assignée des outils n'étant pas supérieure à 250 V pour les outils à courant monophasé alternatif ou continu et à 440 V pour les outils à courant alternatif triphasé. La présente norme traite des risques ordinaires présentés par les outils portatifs, encourus par tous les individus dans l'utilisation normale et dans l'utilisation impropre prévisible de ces outils.
Električna ročna orodja - Varnost - 1. del: Splošne zahteve (IEC 60745-1:2006)
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Standards Content (Sample)
SLOVENSKI SIST EN 60745-1:2006
STANDARD
november 2006
Električna ročna orodja – Varnost - 1. del: Splošne zahteve (IEC 60745-1:2006,
spremenjen)
Hand-held motor-operated electric tools - Safety - Part 1: General requirements
(IEC 60745-1:2006, modified)
ICS 25.140.20 Referenčna številka
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
EUROPEAN STANDARD
EN 60745-1
NORME EUROPÉENNE
August 2006
EUROPÄISCHE NORM
ICS 25.140.20 Supersedes EN 60745-1:2003 + A1:2003
English version
Hand-held motor-operated electric tools -
Safety
Part 1: General requirements
(IEC 60745-1:2006, modified)
Outils électroportatifs à moteur - Handgeführte motorbetriebene
Sécurité Elektrowerkzeuge -
Partie 1: Règles générales Sicherheit
(CEI 60745-1:2006, modifiée) Teil 1: Allgemeine Anforderungen
(IEC 60745-1:2006, modifiziert)
This European Standard was approved by CENELEC on 2006-06-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60745-1:2006 E
Foreword
The text of document 61F/632/FDIS, future edition 4 of IEC 60745-1, prepared by SC 61F, Safety
of hand-held motor-operated electric tools, of IEC TC 61, Safety of household and similar
electrical appliances, was submitted to the IEC-CENELEC parallel vote.
A draft amendment, prepared by the Technical Committee CENELEC TC 61F, Safety of
hand-held and transportable motor-operated electric tools, was submitted to the formal vote.
The combined texts were approved by CENELEC as EN 60745-1 on 2006-06-01.
This European Standard supersedes EN 60745-1:2003 + A1:2003.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-06-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-06-01
This European Standard has been prepared under a mandate given to CEN and CENELEC by the
European Commission and the European Free Trade Association and covers essential health and
safety requirements of the Machinery Directive.
Compliance with the clauses of Part 1 together with a Part 2 provides one means of conforming to
the essential health and safety requirements of the Directive concerned.
A relevant Part 2 is one in which the type of the tool or an accessory which is to be used with the
tool is within the scope of that Part 2.
When a relevant Part 2 does not exist, Part 1 can help to establish the requirements for the tool,
but will not by itself provide a means of conforming to the relevant essential health and safety
requirements of the Machinery Directive.
Other standards referred to in this European Standard are also listed in Clause 2, which gives the
valid edition of those documents at the time of issue of this EN.
CEN Technical Committees have produced a range of standards dealing with a similar range of
non-electrically powered tools. Where necessary normative references are made to these
standards in the relevant Part 2.
This European Standard follows the overall requirements of EN ISO 12100-1 and
EN ISO 12100-2.
This European Standard is divided into two parts:
Part 1: General requirements which are common to most hand-held electric motor operated tools
(for the purpose of this standard referred to simply as tools) which could come within the
scope of this standard;
Part 2: Requirements for particular types of tools which either supplement or modify the
requirements given in Part 1 to account for the particular hazards and characteristics of
these specific tools.
- 3 - EN 60745-1:2006
Subclauses, tables and figures which are additional to those in IEC 60745-1 are prefixed “Z”.
NOTE In this standard the following print types are used:
- requirements proper; in roman type
- test specifications: in italic type;
- explanatory matter: in smaller roman type.
Endorsement notice
The text of the International Standard IEC 60745-1:2006 was approved by CENELEC as a European
Standard with agreed common modifications as given below.
COMMON MODIFICATIONS
2 Normative references
Add the following normative references:
CR 1030-1:1995, Hand-arm vibration – Guidelines for vibration hazards reduction – Part 1:
Engineering methods by design of machinery
EN 12096:1997, Mechanical vibration - Declaration and verification of vibration emission values
EN 27574-4:1988, Acoustics - Statistical methods for determining and verifying stated noise
emission values of machinery and equipment - Part 4: Methods for stated values for batches of
machines (ISO 7574-4:1985)
EN ISO 8041:2005, Human response to vibration - Measuring instrumentation (ISO 8041:2005)
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 4871:1996, Acoustics - Declaration and verification of noise emission values of machinery
and equipment (ISO 4871:1996)
EN ISO 5349 (all parts), Mechanical vibration -- Measurement and evaluation of human exposure
to hand-transmitted vibration (ISO 5349 all parts)
EN ISO 11203:1995, Acoustics - Noise emitted by machinery and equipment - Determination of
emission sound pressure levels at a work station and at other specified positions from the sound
power level (ISO 11203:1995)
EN ISO 11688-1:1998, Acoustics - Recommended practice for the design of low noise machinery
and equipment - Part 1: Planning (ISO/IR 11688-1:1995)
EN ISO 11690-3:1998, Acoustics - Recommended practice for the design of low-noise workplaces
containing machinery - Part 3: Sound propagation and noise prediction in workrooms
(ISO/TR 11690-3:1997)
EN ISO 20643:2005, Mechanical vibration - Hand-held and hand-guided machinery - Principles for
evaluation of vibration emission (ISO 20643:2005)
ISO 5347 (all parts), Methods for the calibration of vibration and shock pick-ups
ISO 16063-1:1998, Methods for the calibration of vibration and shock transducers - Part 1: Basic
concepts
- 5 - EN 60745-1:2006
Replace the existing Clause 6 - Void by the following:
6 Environmental requirements
6.1 Noise
6.1.1 Noise reduction
Noise reduction at tools is an integral part of the design process and shall be achieved by
particularly applying measures at source to control noise, see for example EN ISO 11688-1. The
success of the applied noise reduction measures is assessed on the basis of the actual noise
emission values in relation to other machines of the same type with comparable non acoustical
technical data.
The major sound sources of tools are: motor, fan, gear.
6.1.2 Noise test code (grade 2)
6.1.2.1 General
Noise emission values like the emission sound pressure level L and the sound power level
pA
L to be quoted in the user instructions as required by 8.12.2 Za)1) shall be measured according
WA
to the test procedure described in 6.1.2.1 to 6.1.2.6.
The overall noise can be divided into the pure machine noise and the noise of processing the
workpiece. Both are influenced by the method of operation, however for percussive tools the
noise emission of the workpiece can be dominant. The load conditions for particular tools are
therefore specified in the relevant Part 2.
Noise emission values obtained under these measurement conditions will not necessarily
correspond to the noise levels produced under the operational conditions of practical use.
NOTE It is not possible to simulate all conditions of practical use. A statement of process noise could
therefore
- be misleading and cause faulty assessment of the risk in individual cases,
- discourage the development of more silent machines,
- lead to low repeatability of measurements and thus cause problems when verifying declared noise values,
- make the comparison of the noise emission from different tools difficult.
6.1.2.2 Sound power level determination
The sound power level shall be measured according to EN ISO 3744, where the acoustic
environment, instrumentation, quantities to be measured, quantities to be determined, and the
measurement procedure are specified.
The sound power level shall be given as A-weighted sound power level in dB reference 1 pW. The
A-weighted sound pressure levels, from which the sound power is to be determined, shall be
measured directly, and not calculated from frequency band data. Measurements shall be made in
an essentially free field over a reflecting plane.
For all hand-held electric power tools, the sound power level shall be determined by using a
hemispherical / cylindrical measurement surface according to Figure Z2.
The hemispherical / cylindrical measurement surface is described by a hemisphere standing on a
cylindrical pedestal (see Figure Z2). Five microphone positions shall be located 1 m from the
geometric centre of the power tool. Four positions shall be spaced at regular intervals on a plane
defined as passing through the geometric centre of the power tool and parallel to the reflecting
plane; the fifth position shall be located at a distance of 1 m above geometric centre of the power
tool.
The A-weighted sound power level, L , shall be calculated, in accordance with Subclause 8.6 of
WA
EN ISO 3744 as follows :
S
L = L +10lg( ) , in dB (Z1)
WA pfA
S
with L determined from
pfA
1 ′
0,1L
pA,i
L = 10lg 10 − K − K
pfA 1A 2A
∑
i=1
where
is the A-weighted surface sound pressure level according to EN ISO 3744
L
pfA
th
L′
pA,i A-weighted sound pressure level measured at the i microphone position, in dB
K
1A Background noise correction, A-weighted
K
2A Environmental correction, A-weighted
S Area of the measurement surface, in m
S = 1 m
For the hemispherical / cylindrical measurement surface shown in Figure Z2, the area S of the
measurement surface is calculated as follows:
S = 2π(R + Rd) , in m. (Z2)
where
d = 1 m is the height of the distance of the geometrical centre of the power tool above the
reflecting plane
and
R = 1 m is the radius of the hemisphere and of the cylinder which comprise the measurement
surface.
Therefore,
S = 4π m ,
so, from equation (Z1)
L = L +11, in dB. (Z3)
WA pfA
6.1.2.3 Emission sound pressure level determination
The A-weighted emission sound pressure level at the work station, L , shall be determined in
pA
accordance with EN ISO 11203 as follows:
L = L −Q , in dB (Z4)
pA WA
where
Q = 11, in dB
- 7 - EN 60745-1:2006
NOTE 1 This value of Q has been determined, during experimental investigations, to be applicable to hand-held power
tools. The resulting A-weighted emission sound pressure level at the workstation is equivalent to the value of the surface
sound pressure level at a distance of 1 m from the power tool. This distance has been chosen to give satisfactory
reproducibility of results, and to permit comparison of the acoustic performance of different hand-held power tools which
do not, in general, have uniquely defined work stations. Under free field conditions, where it may be required to estimate
the emission sound pressure level, L , at a distance r in m from the geometric centre of the power tool, this may be
pA1 1
done by applying the formula :
L = L + 20 lg ( ), in dB
pA1 pA
r
NOTE 2 At any given position in relation to a particular machine, and for given mounting and operating conditions, the
emission sound pressure levels determined by the method of this European Standard will in general be lower than the
directly measured sound pressure levels for the same machine in the typical workroom where it is used. This is due to
the influence of sound reflecting surfaces in the workroom compared to the free field conditions of the test specified here.
A method of calculating the sound pressure levels in the vicinity of a machine operating alone in a workroom is given in
EN ISO 11690-3. Commonly observed differences are 1 dB to 5 dB, but in extreme cases the difference may be even
greater.
If required, the C-weighted peak emission sound pressure level L shall be measured at each
pCpeak
of the five measurement positions specified in 6.1.2.2. The C-weighted peak emission sound
pressure level at the work station is the highest C-weighted peak sound pressure level measured
at any of the five microphone positions; no corrections are permitted.
6.1.2.4 Installation and mounting conditions of the power tools during noise tests
The installation and mounting conditions shall be the same for the determination of both sound
power level and emission sound pressure level at the work station.
The power tool under test shall be new and equipped with accessories which affect the acoustic
properties, as recommended by the manufacturer. Prior to commencing testing, the power tool
(including any required ancillary equipment) shall be set up in a stable condition in accordance
with the manufacturer’s instructions for safe use.
The tool is held by the op
...
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