IEC 61029-2-10:1998

INTERNATIONAL
IEC
STANDARD
61029-2-10
First edition
1998-06
Safety of transportable motor-operated
electric tools –
Part 2-10:
Particular requirements
for cutting-off grinders
Sécurité des machines-outils électriques
semi-fixes –
Partie 2-10:
Règles particulières pour
les tourets à couper
Reference number
IEC 61029-2-10: 1998
Numbering
As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.
Consolidated publications
Consolidated versions of some IEC publications including amendments are available. For
example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base
publication incorporating amendment 1 and the base publication incorporating amendments 1
and 2.
Validity of this publication
The technical content of IEC publications is kept under constant review by the IEC, thus
ensuring that the content reflects current technology.
Information relating to the date of the reconfirmation of the publication is available in the IEC
catalogue.
Information on the subjects under consideration and work in progress undertaken by the
technical committee which has prepared this publication, as well as the list of publications
issued, is to be found at the following IEC sources:
• IEC web site*
• Catalogue of IEC publications
Published yearly with regular updates
(On-line catalogue)*
• IEC Bulletin
Available both at the IEC web site* and as a printed periodical
Terminology, graphical and letter
symbols
For general terminology, readers are referred to IEC 60050: International Electrotechnical
Vocabulary (IEV).
For graphical symbols, and letter symbols and signs approved by the IEC for general use,
readers are referred to publications IEC 60027: Letter symbols to be used in electrical
technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation
of the single sheets and IEC 60617: Graphical symbols for diagrams.
* See web site address on title page.

INTERNATIONAL IEC
STANDARD
61029-2-10
First edition
1998-06
Safety of transportable motor-operated
electric tools –
Part 2-10:
Particular requirements
for cutting-off grinders
Sécurité des machines-outils électriques
semi-fixes –
Partie 2-10:
Règles particulières pour
les tourets à couper
 IEC 1998 Copyright - all rights reserved
No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including
photocopying and microfilm, without permission in writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
Commission Electrotechnique Internationale
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International Electrotechnical Commission
For price, see current catalogue

– 2 – 61029-2-10 © IEC:1998(E)
CONTENTS
Page
FOREWORD . 3
Clause
1 Scope . 5
2 Definitions. 5
3 General requirements. 6
4 General notes on tests . 6
5 Rating . 6
6 Classification . 6
7 Marking. 6
8 Protection against electric shock . 7
9 Starting . 7
10 Input and current. 7
11 Heating . 7
12 Leakage current . 7
13 Radio and television interference suppression . 7
14 Protection against ingress of foreign bodies and moisture resistance . 7
15 Insulation resistance and electric strength . 7
16 Endurance . 8
17 Abnormal operation . 8
18 Stability and mechanical hazards. 8
19 Mechanical strength . 11
20 Construction. 11
21 Internal wiring . 12
22 Components. 12
23 Supply connection and external flexible cables and cords . 12
24 Terminals for external conductors. 12
25 Provision for earthing . 12
26 Screws and connections. 12
27 Creepage distances, clearances and distance through insulation . 12
28 Resistance to heat, fire and tracking. 12
29 Resistance to rusting. 12
30 Radiation . 12
Figures. 13
Annexes . 17

61029-2-10 © IEC:1998(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
––––––––––
SAFETY OF TRANSPORTABLE MOTOR-OPERATED
ELECTRIC TOOLS –
Part 2: Particular requirements for
cutting-off grinders
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical reports or guides and they are accepted by the National Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
This part of International Standard IEC 61029 has been prepared by subcommittee 61F: Safety
of hand-held motor-operated electric tools, of IEC technical committee 61: Safety of household
and similar electrical appliances.
The text of this standard is based on the following documents:
FDIS Report on voting
61F/235/FDIS 61F/242/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This part 2 is to be used in conjunction with the IEC 61029-1.
This part 2 supplements or modifies the corresponding clauses in IEC 61029-1, so as to
convert it into the IEC standard: Safety requirements for cutting-off grinders.

– 4 – 61029-2-10 © IEC:1998(E)
Where a particular subclause of part 1 is not mentioned in this part 2, that subclause applies
as far as is reasonable. Where this standard states “addition”, “modification” or “replacement”,
the relevant text in part 1 is to be adapted accordingly.
NOTES
1 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
2 Subclauses, notes and figures which are additional to those in part 1 are numbered starting from 101.
A bilingual version of this standard may be issued at a later date.

61029-2-10 © IEC:1998(E) – 5 –
SAFETY OF TRANSPORTABLE MOTOR-OPERATED
ELECTRIC TOOLS –
Part 2: Particular requirements for
cutting-off grinders
1 Scope
This clause of part 1 is applicable, except as follows:
1.1 Addition:
This standard applies to cutting-off grinders intended mainly for cutting metal with a plain
abrasive cutting-off wheel whose diameter does not exceed 406 mm and has a rated peripheral
speed not exceeding 80 m/s.
2 Definitions
This clause of part 1 is applicable, except as follows:
2.21 Replacement:
normal load
load obtained when the tool is operated continuously, with the torque applied to the spindle
such that the input, in watts, is equal to the rated input
NOTE – The normal load is based on the rated voltage or on the upper limit of the rated voltage range.
Addition:
2.101
cutting-off grinders
machine designed to cut metal by means of a plain abrasive cutting-off wheel which is fixed on
the tool spindle. The tool spindle is mounted on the outer end of an arm which is pivoted at its
inner end on the machine frame. The machine table has a clamping device to secure the
workpiece. The table can be traversed towards the cutting-off wheel (see figure 101).
2.102
tool spindle
spindle of the cutting-off grinder which supports and transmits the rotation of the plain abrasive
cutting-off wheel
2.103
guard
device which partially encloses the plain abrasive cutting-off wheel in order to protect the users
against accidental contact with the wheel in normal use and against the ejection of fragments
of the wheel in the protected area in the case of breakage of the wheel
2.104
flange assembly
means provided to clamp the plain abrasive cutting-off wheel to the machine spindle

– 6 – 61029-2-10 © IEC:1998(E)
2.105
straight recessed flange
flange with central recess suitable for a plain abrasive cutting-off wheel (see figure 106)
2.106
workpiece fixing device
device intended to support or hold the piece to be worked
3 General requirements
This clause of part 1 is applicable.
4 General notes on tests
This clause of part 1 is applicable.
5 Rating
This clause of part 1 is applicable.
6 Classification
This clause of part 1 is applicable.
7 Marking
This clause of part 1 is applicable, except as follows:
7.1 Addition:
– rated no-load speed in rev/min;
– maximum diameter D of the wheel to be used;
– indication of direction of rotation of the abrasive wheel.
7.6 Addition:
The direction of rotation of the wheel shall be indicated on the tool by an arrow raised or sunk,
or by other means not less visible and indelible.
7.13 Addition:
The handbook or information sheet shall include all the necessary information for safe working
with cutting-off grinders, such as method of operation, abrasive wheel change, maintenance,
assembly, transportation, etc.

61029-2-10 © IEC:1998(E) – 7 –
In addition, the following instructions shall be given:
– wear protective glasses;
– do not use damaged abrasive wheels;
– do not use the cutting-off grinders without guards in position;
– use only abrasive wheels recommended by the manufacturer which have marked speed
equal or greater to that marked on the machine;
– read the operating instructions supplied by the wheel manufacturer.
NOTE – Sketches may be used to illustrate the modes of operation.
In addition, the following information shall be given:
– how to connect the dust collection device, if any;
– for cutting-off grinders equipped with straight-sided flanges, the recommended thickness of
plain abrasive cutting-off wheels and the size of the hole in the wheel.
8 Protection against electric shock
This clause of part 1 is applicable.
9 Starting
This clause of part 1 is applicable.
10 Input and current
This clause of part 1 is applicable.
11 Heating
This clause of part 1 is applicable.
12 Leakage current
This clause of part 1 is applicable.
13 Radio and television interference suppression
This clause of part 1 is applicable.
14 Protection against ingress of foreign bodies and moisture resistance
This clause of part 1 is
...