Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 3-5: Particular requirements for transportable band saws

IEC 62841-3-5:2022 applies to band saws intended for cutting wood and analogous materials, plastics and metals, except magnesium. This document does not apply to transportable scroll saws and jig saws with a reciprocating blade. This document does not apply to
hand-held band saws;
non-vertical saws; and
wire saws.  NOTE 101 It is planned that a document on transportable scroll saws and jig saws will be published.
NOTE 102 Hand-held band saws will be covered by a future part of IEC 62841-2.
NOTE 103 In Europe (EN IEC 62841-3-5), the following conditions apply:
This document does not apply to stationary band saws intended to cut wood and similar materials. Stationary band saws that are intended to cut wood and similar materials are covered by EN 1807-1.
This document applies to band saws having a mass of:
- maximum 25 kg for tools capable of being lifted by hand by one person;
- maximum 50 kg for tools capable of being lifted by hand by two persons.

Outils électroportatifs à moteur, outils portables et machines pour jardins et pelouses - Sécurité - Partie 3-5: Exigences particulières pour les scies à ruban transportables

IEC 62841-3-5:2022 applique aux scies à ruban destinées à la coupe du bois et des matériaux analogues, des plastiques et des métaux, à l’exception du magnésium.
Le présent document ne s'applique pas aux scies à découper et aux scies sauteuses transportables avec une lame à va-et-vient.
Le présent document ne s'applique pas aux
scies à ruban portatives;
scies non verticales; et
scies à fil.  NOTE 101 Il est prévu qu'un document relatif aux scies à découper et aux scies sauteuses transportables soit publié.
NOTE 102 Les scies à ruban portatives seront couvertes par une future partie de l’IEC 62841-2.
NOTE 103 En Europe (EN IEC 62841-3-5), les conditions suivantes s'appliquent:
Le présent document ne s'applique pas aux scies à ruban fixes destinées à la coupe du bois et des matériaux similaires. Les scies à ruban fixes destinées à la coupe du bois et des matériaux similaires sont couvertes par l’EN 1807-1.
Le présent document s'applique aux scies à ruban dont la masse est:
– de 25 kg au plus pour les outils qui peuvent être soulevés à la main par une personne;
– de 50 kg au plus pour les outils qui peuvent être soulevés à la main par deux personnes.

General Information

Status
Published
Publication Date
26-Apr-2022
Current Stage
PPUB - Publication issued
Completion Date
27-Apr-2022
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IEC 62841-3-5
Edition 1.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric motor-operated hand-held tools, transportable tools and lawn and
garden machinery – Safety –
Part 3-5: Particular requirements for transportable band saws
Outils électroportatifs à moteur, outils portables et machines pour jardins et
pelouses – Sécurité –
Partie 3-5: Exigences particulières pour les scies à ruban transportables
IEC 62841-3-5:2022-04(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 62841-3-5
Edition 1.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric motor-operated hand-held tools, transportable tools and lawn and
garden machinery – Safety –
Part 3-5: Particular requirements for transportable band saws
Outils électroportatifs à moteur, outils portables et machines pour jardins et
pelouses – Sécurité –
Partie 3-5: Exigences particulières pour les scies à ruban transportables
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.140.20 ISBN 978-2-8322-1097-6

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 62841-3-5:2022 © IEC 2022
CONTENTS

FOREWORD ........................................................................................................................... 4

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 7

4 General requirements ...................................................................................................... 8

5 General conditions for the tests ....................................................................................... 9

6 Radiation, toxicity and similar hazards ............................................................................. 9

7 Classification ................................................................................................................... 9

8 Marking and instructions .................................................................................................. 9

9 Protection against access to live parts ........................................................................... 10

10 Starting ......................................................................................................................... 10

11 Input and current ........................................................................................................... 10

12 Heating .......................................................................................................................... 10

13 Resistance to heat and fire ............................................................................................ 10

14 Moisture resistance ....................................................................................................... 10

15 Resistance to rusting ..................................................................................................... 10

16 Overload protection of transformers and associated circuits .......................................... 11

17 Endurance ..................................................................................................................... 11

18 Abnormal operation ....................................................................................................... 11

19 Mechanical hazards ....................................................................................................... 11

20 Mechanical strength ...................................................................................................... 16

21 Construction .................................................................................................................. 16

22 Internal wiring ................................................................................................................ 17

23 Components .................................................................................................................. 17

24 Supply connection and external flexible cords ............................................................... 17

25 Terminals for external conductors .................................................................................. 17

26 Provision for earthing .................................................................................................... 17

27 Screws and connections ................................................................................................ 17

28 Creepage distances, clearances and distances through insulation ................................. 17

Annexes ............................................................................................................................... 18

Annex I (informative) Measurement of noise and vibration emissions ................................... 18

Annex AA (normative) Requirements for interlocked access cover for band saws ................ 20

Bibliography .......................................................................................................................... 21

Figure 101 – Parts of a typical band saw................................................................................. 8

Figure 102 – Test probe ........................................................................................................ 13

Figure 103 – Table and fence dimensions ............................................................................. 14

Figure 104 – Cross-cutting fence .......................................................................................... 15

Figure 105 – Saw band guides .............................................................................................. 16

---------------------- Page: 4 ----------------------
IEC 62841-3-5:2022 © IEC 2022 – 3 –

Table 4 – Required performance levels ................................................................................. 11

Table I.101 – Noise test conditions for band saws that are not intended for cutting

metal .................................................................................................................................... 18

Table I.102 – Test conditions for band saws that are intended for cutting metal .................... 19

---------------------- Page: 5 ----------------------
– 4 – IEC 62841-3-5:2022 © IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY – SAFETY –
Part 3-5: Particular requirements for transportable band saws
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of 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, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). 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. 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 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 IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of

IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence between

any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

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expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other

IEC Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent

rights. IEC shall not be held responsible for identifying any or all such patent rights.

IEC 62841-3-5 has been prepared by IEC technical committee 116: Safety of motor-operated

electric tools. It is an International Standard.
The text of this International Standard is based on the following documents:
Draft Report on voting
116/574/FDIS 116/585/RVD

Full information on the voting for its approval can be found in the report on voting indicated in

the above table.
The language used for the development of this International Standard is English.
---------------------- Page: 6 ----------------------
IEC 62841-3-5:2022 © IEC 2022 – 5 –

This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in

accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available

at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are

described in greater detail at www.iec.ch/standardsdev/publications.

This Part 3-5 is to be used in conjunction with the first edition of IEC 62841-1:2014.

This Part 3-5 supplements or modifies the corresponding clauses in IEC 62841-1:2014, so as

to convert it into the IEC Standard: Particular requirements for transportable band saws.

Where a particular subclause of IEC 62841-1:2014 is not mentioned in this Part 3-5, that

subclause applies as far as relevant. Where this standard states "addition", "modification" or

"replacement", the relevant text in IEC 62841-1:2014 is to be adapted accordingly.

The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
notes: in small roman type.
The terms defined in Clause 3 are printed in bold typeface.

Subclauses, notes, tables and figures which are additional to those in IEC 62841-1:2014 are

numbered starting from 101.

A list of all parts of the IEC 62841 series, under the general title: Electric motor-operated hand-

held tools, transportable tools and lawn and garden machinery – Safety, can be found on the

IEC website.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under webstore.iec.ch in the data related to the

specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

NOTE The attention of National Committees is drawn to the fact that equipment manufacturers and testing

organizations may need a transitional period following publication of a new, amended or revised IEC publication in

which to make products in accordance with the new requirements and to equip themselves for conducting new or

revised tests.

It is the recommendation of the committee that the content of this publication be adopted for implementation nationally

not earlier than 36 months from the date of publication.
---------------------- Page: 7 ----------------------
– 6 – IEC 62841-3-5:2022 © IEC 2022
ELECTRIC MOTOR-OPERATED HAND-HELD TOOLS, TRANSPORTABLE
TOOLS AND LAWN AND GARDEN MACHINERY – SAFETY –
Part 3-5: Particular requirements for transportable band saws
1 Scope
IEC 62841-1:2014, Clause 1 is applicable, except as follows.
Addition:

This document applies to band saws intended for cutting wood and analogous materials,

plastics and metals, except magnesium.

This document does not apply to transportable scroll saws and jig saws with a reciprocating

blade.
This document does not apply to
– hand-held band saws;
– non-vertical saws; and
– wire saws.

NOTE 101 It is planned that a document on transportable scroll saws and jig saws will be published.

NOTE 102 Hand-held band saws will be covered by a future part of IEC 62841-2.
NOTE 103 In Europe (EN IEC 62841-3-5), the following conditions apply:

This document does not apply to stationary band saws intended to cut wood and similar materials. Stationary band

saws that are intended to cut wood and similar materials are covered by EN 1807-1.

This document applies to band saws having a mass of:
– maximum 25 kg for tools capable of being lifted by hand by one person;
– maximum 50 kg for tools capable of being lifted by hand by two persons.
2 Normative references
IEC 62841-1:2014, Clause 2 is applicable, except as follows.
Addition:

IEC 62841-1:2014, Electric motor-operated hand-held tools, transportable tools and lawn and

garden machinery – Safety – Part 1: General requirements
---------------------- Page: 8 ----------------------
IEC 62841-3-5:2022 © IEC 2022 – 7 –
3 Terms and definitions
IEC 62841-1:2014, Clause 3 is applicable, except as follows.
Addition:
3.101
band saw

tool designed to cut materials by means of a vertical revolving endless saw band which is

carried on two or more band wheels

Note 101 to entry: Band saws have a table to support and position the workpiece that is fed by hand against the

saw band. See Figure 101.
3.102
cross-cutting fence

device to guide or position the workpiece during the cutting process that is designed to move

parallel with the plane of the saw band

Note 101 to entry: The cross-cutting fence may have provisions to adjust the workpiece guiding face laterally and

may have mitre angle capability.
3.103
parallel fence

fence that has the workpiece guiding face parallel with the plane of the saw band and can be

set to a desired distance from the saw band
3.104
saw band

flexible closed loop metal band with cutting elements such as teeth or abrasive material

---------------------- Page: 9 ----------------------
– 8 – IEC 62841-3-5:2022 © IEC 2022
Key
1 access cover
2 saw band tensioner
3 band wheel
4 adjustable guard for the cutting area
5 saw band guide
6 saw band
7 driving band wheel
8 parallel fence
9 power switch
10 table
Figure 101 – Parts of a typical band saw
4 General requirements
IEC 62841-1:2014, Clause 4 is applicable.
---------------------- Page: 10 ----------------------
IEC 62841-3-5:2022 © IEC 2022 – 9 –
5 General conditions for the tests
IEC 62841-1:2014, Clause 5 is applicable, except as follows.
5.17 Addition:
The mass of the tool includes the guard and fence(s), if any.

Any additional parts such as leg sets or carrying means that are required in accordance with

the user instructions are included in the mass.
6 Radiation, toxicity and similar hazards
IEC 62841-1:2014, Clause 6 is applicable.
7 Classification
IEC 62841-1:2014, Clause 7 is applicable.
8 Marking and instructions
IEC 62841-1:2014, Clause 8 is applicable, except as follows.
8.3 Addition:
Band saws shall be marked with:

– direction of rotation of the driven band wheel which shall be indicated on the tool by an

arrow raised or sunk, or by any other means not less visible and indelible;

In addition, where a tool is designed to operate at more than one cutting speed, the following

requirements apply:

– on tools where a speed change is achieved by changing the position of the drive belts on

the drive pulleys, the selected speed shall be indicated on the same side of the tool as the

start control by a diagram showing the relevant speed selected for each combination of

pulleys;

– on tools where a speed change is achieved by an electronic control circuit, the selected

speed shall be indicated on the tool at the selecting device (e.g. variable speed control dial

provided with numerical speed settings).
8.14.1 Addition:

The additional safety instructions as specified in 8.14.1.101 shall be given. This part may be

printed separately from the "General power tool safety warnings".
8.14.1.101 Safety instructions for band saws

a) Always use saw bands that are not damaged or deformed. Damaged or deformed saw

bands could split and/or snap.

b) Do not use liquid coolants. Using water or other liquid coolants may result in electrocution

or shock.

NOTE 101 The warning in item b) above is omitted for tools equipped with a liquid system.

---------------------- Page: 11 ----------------------
– 10 – IEC 62841-3-5:2022 © IEC 2022
c) Operate the band saw at the proper speed for recommended applications and

materials. Using a speed inappropriate for the material being cut may lead to breakage of

the saw band and personal injury.

d) Do not operate the tool when the band saw blade access cover is open. Contact with

the moving parts may result in personal injury.

NOTE 102 At the manufacturer’s discretion, the term "band saw blade" is replaced by "saw band".

8.14.2 a) Addition:
101) Information about specified saw band dimensions (e.g. length and width);
102) Instruction on how to adjust the saw band guides and thrust wheel;

103) Instructions for the saw band changing procedure including proper saw band direction

installation and how to mount and tension saw bands.
8.14.2 b) Addition:
101) Instruction to adjust the guard as close to the workpiece as practicable;
102) Instruction on how to adjust the saw band guide for the cutting area;
103) Instruction on how to set a bevel angle;

104) Instructions on how to properly feed the workpiece, including the application of auxiliary

materials that may be used as an aid to feed the workpiece;
105) Instruction to wear gloves when handling saw bands.
9 Protection against access to live parts
IEC 62841-1:2014, Clause 9 is applicable.
10 Starting
IEC 62841-1:2014, Clause 10 is applicable.
11 Input and current
IEC 62841-1:2014, Clause 11 is applicable.
12 Heating
IEC 62841-1:2014, Clause 12 is applicable.
13 Resistance to heat and fire
IEC 62841-1:2014, Clause 13 is applicable.
14 Moisture resistance
IEC 62841-1:2014, Clause 14 is applicable.
15 Resistance to rusting
IEC 62841-1:2014, Clause 15 is applicable.
---------------------- Page: 12 ----------------------
IEC 62841-3-5:2022 © IEC 2022 – 11 –
16 Overload protection of transformers and associated circuits
IEC 62841-1:2014, Clause 16 is applicable.
17 Endurance
IEC 62841-1:2014, Clause 17 is applicable.
18 Abnormal operation
IEC 62841-1:2014, Clause 18 is applicable, except as follows.
18.8 Replacement of Table 4:
Table 4 – Required performance levels
Type and purpose of SCF Minimum Performance
Level (PL)
Power switch – prevent unwanted switch-on b
Power switch – provide desired switch-off b
Provide desired direction of rotation Not an SCF
Any electronic control to pass the test of 18.3 a
Prevent exceeding thermal limits as in 18.4 and 18.5.3 a
Provide function to de-energize or disengage drive to
the saw band as required in 19.101.1 d)
Provide run-down time as required by 19.105 a
Prevent self-resetting as required in 23.3 b
NOTE In Europe (EN IEC 62841-3-5), the following additional requirement applies:
Restart prevention as required by 21.18.2.1 a
19 Mechanical hazards
IEC 62841-1:2014, Clause 19 is applicable, except as follows.
19.1 Addition:

The requirements of 19.1, except for mechanical strength requirements, do not apply to the

access cover specified in 19.101 and the adjustable guard in the cutting area specified in

19.102.
19.3 Replacement:

It shall not be possible to reach hazardous moving parts through dust collection openings with

the detachable parts or provisions for dust collection removed, if any.
Compliance is checked by the following test.

For dust collection openings, the test probe B of IEC 61032:1997 is used. The test probe is

inserted with a force not exceeding 5 N into the dust collection opening until the probe’s stop

face reaches the plane of the dust collection opening and shall not touch hazardous moving

parts.
---------------------- Page: 13 ----------------------
– 12 – IEC 62841-3-5:2022 © IEC 2022
19.6 This subclause of IEC 62841-1:2014 is not applicable.

19.7 This subclause of IEC 62841-1:2014 is not applicable for tools intended to be fixed to a

bench or the floor in accordance with 8.14.2 a) 1).

19.7.101 Band saws not intended to be fixed to a bench or the floor in accordance with

8.14.2 a) 1) shall have adequate stability.
Compliance is checked by the following tests.

The tests are conducted with the band saw placed on a horizontal surface of medium density

3 3

fibreboard (MDF) having a density of 650 kg/m to 850 kg/m . If the tool is provided with a

stand, the tool is tested with or without the stand in the most unfavourable configuration(s).

When a push force of 100 N is applied to the front edge of the band saw table in the plane of

the saw band and in the direction of the workpiece feed, the tool shall not move.

The push force is then increased to 300 N or until the tool begins to move horizontally,

whichever is achieved first. During this test, the tool shall not tip over.
19.8 This subclause of IEC 62841-1:2014 is applicable.
19.101 Band wheel, driving mechanism and saw band guarding

19.101.1 The band wheels, the drive mechanism and the whole saw band in the non-cutting

area shall be guarded.
Access cover(s) that have to be opened to change the saw band in accordance with

8.14.2 a) 103) shall remain attached to the band saw and at least one of the following

requirements a) to d) shall be met:
a) The access cover(s) is a fixed guard; or

b) The access cover(s) do not permit access to hazardous moving parts other than the saw

band when open; or
c) The power switch is located on the same side as the access cover(s); or
d) The access cover(s) comply with the requirements of Annex AA.

For options a) and c), compliance is checked by inspection. For option b), compliance is

checked by manual test using test probe B of IEC 61032:1997 with a force not exceeding 5 N.

For option d), compliance is checked by the requirements of Annex AA.
NOTE 101 In Europe (EN IEC 62841-3-5), the following requirement applies:

19.101.1 The band wheels, the drive mechanism and the whole saw band in the non-cutting area shall be guarded.

Access cover(s) that have to be opened to change the saw band in accordance with 8.14.2 a) 103) shall remain

attached to the band saw and comply with the requirements of Annex AA.
Compliance is checked by the requirements of Annex AA.

19.101.2 An access cover in accordance with 19.101.1 c), if any, shall prevent access to

hazardous moving parts behind the access cover while the access cover is being opened and

before the drive to the saw band is de-energized or disengaged.
Compliance is checked by the following test.
---------------------- Page: 14 ----------------------
IEC 62841-3-5:2022 © IEC 2022 – 13 –

The access cover is opened to the point where the drive to the saw band is just de-energized

or disengaged. It shall not be possible to touch hazardous moving parts with the t

...

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