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Tiêu đề Safety of Transportable Motor-Operated Electric Tools Part 2-3: Particular Requirements for Planers and Thicknessers
Trường học Not specified
Chuyên ngành Standardization and Safety Regulations
Thể loại Standards Publication
Năm xuất bản 2011
Thành phố Brussels
Định dạng
Số trang 42
Dung lượng 1,32 MB

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re-– instruction to use only cutting blades designed for this machine; – instruction how the blades shall be assembled and adjusted, if applicable; – instruction that any portion of the

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BSI Standards Publication

Safety of transportable operated electric tools -

motor-Part 2-3: motor-Particular requirements for planers and thicknessers

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© BSI 2011ISBN 978 0 580 53034 0ICS 97.030; 97.040.01; 97.100

Compliance with a British Standard cannot confer immunity from legal obligations.

This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2011

Amendments issued since publication

Date Text affected

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Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members

Ref No EN 61029-2-3:2011 E

ICS 25.140.20

English version

Safety of transportable motor-operated electric tools - Part 2-3: Particular requirements for planers and thicknessers

(IEC 61029-2-3:1993, modified + A1:2001)

Sécurité des machines-outils électriques

semi-fixes -

Partie 2-3: Règles particulières pour les

dégauchisseuses et les raboteuses

(CEI 61029-2-3:1993, modifiée + A1:2001)

Sicherheit transportabler motorbetriebener Elektrowerkzeuge -

Teil 2-3: Besondere Anforderungen an Abrichthobel und Dickenhobel

(IEC 61029-2-3:1993, modifiziert + A1:2001)

This European Standard was approved by CENELEC on 2011-02-14 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, Bulgaria, Croatia, 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

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Contents

Foreword 4

1 Scope 6

2 Definitions 6

3 General requirement 7

4 General notes on tests 7

5 Rating 7

6 Classification 7

7 Marking and information for use 7

8 Protection against electric shock 8

9 Starting 8

10 Input and current 8

11 Heating 8

12 Leakage current 9

13 Environmental requirements 9

14 Protection against ingress of foreign bodies and moisture resistance 9

15 Insulation resistance and electric strength 9

16 Endurance 9

17 Abnormal operation 9

18 Stability and mechanical hazards 10

19 Mechanical strength 16

20 Construction 17

21 Internal wiring 18

22 Components 18

23 Supply connection and external flexible cables and cords 18

24 Terminals for external conductors 18

25 Provision for earthing 18

26 Screws and connections 18

27 Creepage distances, clearances and distances through insulation 18

28 Resistance to heat, fire and tracking 18

29 Resistance to rusting 19

30 Radiation 19

Annex A (normative) Normative references 27

Annex ZA (normative) Stability test for bridge type guards 28

Annex ZD (informative) Dust measurement 35

Annex ZZ (informative) Coverage of Essential Requirements of Directive 2006/42/EC 37

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Figures

Figure Z101 – Example of a thicknesser 20

Figure Z102 – Example of a combined planer and thicknesser 21

Figure Z103 – Cutter block 22

Figure Z104 – Measurement of the cutter block chip groove 23

Figure Z105 – Details of two alternative bridge type guard leading edge 23

Figure Z106 – Design preventing kick-back 24

Figure Z107 – Examples of anti kick-back devices 25

Figure Z108 – Test probe 25

Figure Z109 – Example of a push-stick 26

Figure Z110 – Example of a swivel-type guard 26

Figure ZA.1 – Bridge-type guard 31

Figure ZA.2 – Bridge deflection 32

Figure ZA.3 – Bridge free play 32

Figure ZA.4 – Bridge strength test 33

Figure ZA.5 – Lateral impact test 34

Figure ZA.6 – Side impact test apparatus 34

Figure ZD.101 – Orientation of tool and operator 36

Tables Table Z101 – Noise test conditions for planers and thicknessers 9

Table Z102 – Table sizes 11

Table Z103 – Parallel guide sizes 13

Table Z104 – Material specification 15

Table ZD.101 – Conditions for dust measurements on planers 35

Table ZD.102 – Conditions for dust measurements on thicknessers 35

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Foreword

The text of the International Standard IEC 61029-2-3:1993 + A1:2001, prepared by SC 61F (transformed into TC 116, Safety of hand-held motor-operated electric tools), together with the common modifications prepared by the Technical Committee CENELEC TC 116 (former TC 61F), Safety of hand-held motor-operated electric tools, was submitted to the CENELEC Formal Vote and was approved by CENELEC as EN 61029-2-3 on 2011-02-14

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN and CENELEC shall not be held responsible for identifying any or all such patent rights

The following dates are proposed:

– latest date by which the EN has to be implemented

at national level by publication of an identical

national standard or by endorsement (dop) 2012-02-14

– latest date by which the national standards conflicting

with the EN have to be withdrawn (dow) 2014-02-14

This European Standard is divided into two parts:

Part 1 General requirements that are common to most transportable electric motor operated tools

(for the purpose of this European Standard referred to simply as tools) which could come within the scope of this European Standard;

Part 2 Requirements for particular types of tool which either supplement or modify the requirements

given in Part 1 to account for the particular hazards and characteristics of these specific tools

This European Standard has been prepared under Mandate M/396 given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements

of EU Directive 2006/42/EC See Annex ZZ

Compliance with the relevant clauses of Part 1 together with this Part 2-3 provides one means of conforming with the specified essential requirements of the Directives The requirements defined in

EN ISO 12100 are also dealt with in this European Standard

For noise and vibration this European Standard covers the requirements for their measurement, the provision of information arising from these measurements and the provision of information about the personal protective equipment required Specific requirements for the reduction of the risk arising from noise and vibration through the design of the tool are not given as this reflects the current state of the art

Warning: Other requirements arising from other European Directives can be applicable to the

products falling within the scope of this European Standard

This Part 2-3 is to be used in conjunction with EN 61029-1:2009 This Part 2-3 supplements or modifies the corresponding clauses of EN 61029-1, so as to convert it into the European Standard:

“Safety of transportable motor-operated electric tools – Part 2-3: Particular requirements for planers and thicknessers”

Where a particular clause or subclause of Part 1 is not mentioned in this Part 2-3, that clause or subclause applies as far as is reasonable Where this Part 2-3 states "addition", "modification" or

"replacement", the relevant text of Part 1 is to be adapted accordingly

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Clauses, subclauses, notes, tables and figures which are additional to those in Part 1 are numbered starting from 101

Clauses, subclauses, notes, tables and figures which are additional to those in EN 61029-2-3 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

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This European Standard does not apply to planers other than transportable

NOTE Z101 EN 859 gives requirements for planers other than transportable

This European Standard does not apply to thicknessers other than transportable

NOTE Z102 EN 860 gives requirements for thicknessers other than transportable

This European Standard does not apply to planing and thicknessing machines other than transportable

NOTE Z103 EN 861 gives requirements for planing and thicknessing machines other than transportable

2.103

combined planer and thicknesser

machine designed to carry out the functions of both a planer and a thicknesser (see Figure Z102)

2.104

cutter block

rotating assembly consisting of the drum, the blades, the blade fixing system and the spindle

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3 General requirement

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 and information for use

This clause of Part 1 is applicable except as follows:

7.1 Addition:

– no-load speed of the cutter block;

– indication of direction of rotation of the cutter block;

– planing width

7.6 Addition:

The direction of rotation of the cutter block shall be indicated on the tool by an arrow raised or sunk, or

by any other means not less visible and indelible

re-– instruction to use only cutting blades designed for this machine;

– instruction how the blades shall be assembled and adjusted, if applicable;

– instruction that any portion of the cutter block not being used for planing shall be adjusted to

be guarded;

– instruction how to inspect the anti-kickback devices and feed speed spindles to ensure safe operation;

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– instruction to wear suitable protective equipment, this could include

i) hearing protection, to reduce the risk of induced hearing loss, ii) respiratory protection, to reduce the risk of inhalation of harmful dust, iii) gloves for handling the cutter block and rough material, to reduce injuries from sharp edges;

– for cutting wood: description of the correct assembly of a dust-collecting device

e) Safe operation

– information what kind of work can be performed safely;

– for those machines designed for rebating: instruction for the safe operation;

– information about the location where the push-stick shall be stored when not in use;

– instruction, in which situations the push-stick is to be used;

– instructions how to adjust the guards and fence in relation to the different work;

– information about the effects caused by metal parts penetrated into the work piece and splintery work pieces;

– instruction how correctly to use roller tables when cutting long work pieces;

– warning not to do the following operations:

i) stopped work (i.e any cut which does not involve the full work piece length);

ii) recesses, tenons or moulds;

iii) planing of badly bowed wood where there is inadequate contact on the infeed table

NOTE Sketches may be used to illustrate the modes of operation

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

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The most important sources of noise of planers and thicknessers are:

– the cutting blades;

– the infeed table

NOTE For general information concerning the reduction of noise see EN ISO 11688-1

13.2.4 Replacement of paragraphs 1, 2 and 3:

Planers and thicknessers are tested under the conditions shown in Table Z101

Table Z101 – Noise test conditions for planers and thicknessers

Material Beech – minimum dimensions 20 mm × 50 mm × 400 mm

Feed-speed (4 ± 0,5) m/min for planing, maximum feed speed for thicknessing

Depth of cut 1 mm

Width of cut-off 50 mm for planing and thicknessing with parallel guide set for maximum width

Tool bit/cutter/

abrasive New blades, as recommended by the manufacturer for solid wood

Work cycle Five passes, each following the other, to be done on one workpiece

13.3 Modification:

This subclause is not applicable

14 Protection against ingress of foreign bodies and moisture resistance

This clause of Part 1 is applicable

15 Insulation resistance and electric strength

This clause of Part 1 is applicable

16 Endurance

This clause of Part 1 is applicable

17 Abnormal operation

This clause of Part 1 is applicable, except as follows:

All machines covered by this particular part are considered to be machines in which moving parts are liable to be jammed

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18 Stability and mechanical hazards

This clause of Part 1 is applicable, except as follows:

18.1 Addition:

Blades shall be changeable without detachment of the guard over the cutter block The guard shall remain permanently attached to the tool, but it may be moved to enable the changing of the blades

18.1.101 All machines covered by this European Standard

18.1.101.1 The cutter block shall have a circular shape in any cross section perpendicular to the axis

of the cutter block which performs the function of chip thickness limitation

Compliance is checked by inspection

18.1.101.2 The cutting edge of the blades shall not extend more than 1,1 mm (see dimension a in

Figure Z103) past the surface of the cutter block

Compliance is checked by measurement

18.1.101.3 There shall be no recess in the cutter block except for the cutting blades and their

fastening devices (see Figure Z103)

The chip groove in front of the blade shall have a maximum depth (d) measured radially to the cutter

block in accordance with Figure Z104

Compliance is checked by inspection and measurement

18.1.101.4 The blades shall be fixed to the cutter block in such a way that friction alone is not relied

upon to prevent ejection of the blades

The clamping screws, if any, shall engage for a minimum of six full threads when fitted to a steel cutter block When the cutter block is made of material other than steel the clamping arrangement shall have the same degree of strength as that provided by the requirement for the clamping screw for steel block The cutter block shall ensure that blade(s) are clamped over their total length

Compliance is checked by inspection and by the following test:

The blades are fitted to the cutter block in accordance with the manufacturer’s instructions The projection of the blades is measured and the cutter block is run at maximum speed n max for 5 min, after this test the projection of the blades is measured again and the displacement shall not exceed 0,15 mm

The cutter block is then run at the test speed n p for 5 min, the projection of the blades is measured and the displacement from the previous shall not exceed 0,15 mm

where

n max = maximum no-load speed in revolutions per minute of the cutter block at rated voltage or

at the upper limit of the rated voltage range; and

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18.1.102 Planers

18.1.102.1 The dimensions of the tables supporting the work piece shall comply with Table Z102

Table Z102 – Table sizes

Working width (W) in millimetres Minimum length of the tables in millimetres

measured from the cutter block axis to the end of the table

(in-feed and out-feed table)

At any depth of cut, the distance “b” (see Figure Z.103) between the cutting circle and the lips of the

tables shall not exceed 5 mm measured radially

18.1.102.2 Recesses in the lips of the planer tables provided in order to reduce the noise shall not

exceed a width of 6,0 mm

Holes to obtain the same effect shall have diameters not exceeding 6,0 mm

18.1.102.3 The lip of the infeed table shall be strong enough to prevent deformation or damage

Compliance is checked by the following test:

Blows are applied on the lip with a spring-operated impact test apparatus (mass of 250 g with an energy of 1,0 J) Three blows are applied to every point of the lip supposed to be weak After testing, the lip shall remain intact without visible fissure or deformation prejudicial to the correct operating of the machine

18.1.102.4 Cutting blades for planers designed for rebating shall extend over the edge of the cutter

block by not more than 5,0 mm

The thickness of the body of such blades shall be not less than 3,0 mm

For tools designed for rebating the side of the cutting blades shall be guarded when not being used for rebating and the guard shall be lockable in the closed position without the aid of a tool This guard shall be adjustable or self-closing and shall be not more than 3,0 mm from the cutting blade

The guard shall be designed so it cannot touch the blades

The part of the cutter block not used during the rebating operation shall be completely guarded

Machines not intended for rebating shall be so designed that this operation is not possible

18.1.102.5 Planers shall have guards covering the cutter block on both sides of the parallel guide

The cover of the cutter block behind the parallel guide shall be fixed to the parallel guide so that the cutter block is automatically protected when moving the parallel guide

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18.1.102.5.1 Parts not used during work (behind the parallel guide)

Access to blades shall be prevented by a guard, the dimensions of which are such as to cover the cutter block, located behind the guide, whatever the position of the guide, e.g by extended part of the guide

If the guide is adjustable in position (transverse adjustment or inclination) the guard displacement shall

be associated with the guide displacement

18.1.102.5.2 Parts used during work (in front of the parallel guide)

Access to blades usable during work shall be prevented by a device rigidly locked with the frame of the machine, which allows only the used part of the cutter block to be uncovered This device shall be: – a bridge-type guard or swivel-type guard for planing machines with a planing width not greater than 100 mm;

– a bridge-type guard for planing machines with a planing width greater than 100 mm

i) The upper surface of the bridge shall be smooth, rounded and free of projection

j) Its lower surface shall be so designed that there is no obstruction to the passage of the work piece through the machine The leading edge of the guard at the infeed side shall be shaped in such a way that one of the requirements of Figure Z105 is met

The guard shall have sufficient stability and shall be in compliance with the tests as described in the Annex ZA

18.1.102.5.2.2 Swivel-type guard

Figure Z110 illustrates an example of swivel-type guard

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a) When planing is not carried out, the guard shall cover the whole cutter block whatever the parallel

guide adjustment is

b) Whatever the used working width is, the guard shall cover the part of the cutter block which is not

being used and shall open on contact with the work piece

c) It shall remain in contact with the work piece during the whole planing action and there shall be

no means to lock it in the open position

d) It shall return automatically to the closed position with a maximum time of 0,2 s for the maximum

working width and the maximum open position

e) The gap between lower surface of the guard and outfeed table shall be not greater than 4,0 mm

18.1.102.5.2.3 The bridge or swivel type guard shall be made from a material such that any

unintended contact with the rotating cutter block does not cause any of the following:

– damage prejudicial to the functioning of the guard such as breaking or partial rupture;

– damage to blades;

– damage to the guard in case of shock with the work piece

Compliance is checked by applying blows on the guard with a spring-operated impact test apparatus

(mass of 250 g with energy of 1,0 J) Three blows are applied to every point of the guard supposed to

be weak After testing, the guard shall remain intact without visible fissure or deformation prejudicial to

the correct operating of the machine

18.1.102.6 Planers shall be provided with a parallel guide The parallel guide shall comply with the

dimensions specified in Table Z103

Table Z103 – Parallel guide sizes

The guiding surface as well as its upper surface shall have no gaps

If there is no specific compliance statement, compliance with 18.1.102.1 to 18.1.102.6 is checked by

measurement and inspection

18.1.103 Thicknessers

18.1.103.1 Thicknessers shall be designed to prevent kickback by:

a) arrangement of the cutter block between barriers on the infeed and outfeed side designed

according to Figure Z106; or

b) providing anti-kickback devices; or

c) other designs

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If the case of b), the anti-kickback devices shall fulfil the requirements according to Figure Z107, shall have a width of 3 mm to 8 mm and shall be made of a material of sufficient mechanical strength The anti kickback devices shall extend over the whole width of the cutter block The hardness of the device tips shall not be less than 100 HB

The anti-kickback devices shall fall under their own weight to their rest position Stops shall be provided to prevent their rotation around the axis except for an angular sector corresponding to the rest position and the maximum thicknessing capacity In the rest position the anti-kickback devices shall extend at least 2,0 mm below the cutting blade

The spindle for the anti-kickback devices shall have a diameter of at least 12,0 mm

Compliance for a) is checked by inspection and measurement according to Figure Z106

The stiffness of the barriers is checked by applying a perpendicular force of 100 N in the middle of each barrier for 10 s The deflection during the force applied shall not exceed 0,4 mm The permanent deflection after removing the force shall be less than 0,2 mm

Compliance for b) is checked by inspection, checking the hardness of the device tips, functional test

as follows and measurement according to Figure Z107

The infeed table is set at a cutting height of h + 1,2 mm, h being the height of a piece of beech wood

of 100 mm width by 30 mm height which has previously been planed on both sides

A retracting force of 300 N is applied to the work piece and the anti-kickback devices shall hold the work piece in all positions over the cutting width

The test is repeated but with the infeed table set at maximum capacity of thicknessing and a piece of beech wood of the same thickness and 100 mm width

Compliance for other designs is checked as follows:

The material as described in Table Z104 is placed on the infeed table with the machine set at operating speed and adjusted to the dimensions of the material and depth of cut as per Table Z104

The material is fed through its full length using a push stick with the operator positioned out of the line

of material (in case of kickback)

The test shall be conducted in all positions over the cutting width

If the material does not kickback or move backwards more than 50 mm in all sizes and materials the test is fulfilled

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Table Z104 – Material specification

(Pine) Minimum capacity × 1 m length × 100 mm width Maximum

18.1.103.2 A stop shall be provided to prevent the upward movement of the table to 0,5 mm below

the anti-kickback devices, if any

Compliance is checked by inspection and measurement

18.1.103.Z1 Thicknessers shall be equipped with an automatic feeding mechanism for the workpiece

consisting of infeed and outfeed rollers

Compliance is checked by inspection

18.1.103.Z2 Thicknessers shall be provided with fixed lateral and top guards which prevent any

access to the cutter block

Compliance is checked by inspection

18.1.103.Z3 In order to prevent the feeding of oversized work pieces a device located at the infeed

side of the machine shall limit the maximum cutting height

Lateral guides shall be provided to restrict the working width to the cutter block width

Compliance is checked by inspection

18.1.103.Z4 The length of the table shall extend at least from the cutting height limiting device to the

centre of the outfeed roller

Compliance is checked by inspection and measurement

18.1.103.Z5 Chip ejection apertures which are not capable of having powered chip extraction devices

fitted to them shall be constructed in such a way that the cutter block is not accessible through them

Compliance is checked by applying the test probe of Figure Z108

18.1.104 Combined planers and thicknessers

18.1.104.1 For these combined machines the requirements stated for both planers and thicknessers

shall be met

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18.1.104.2 It shall be safe to change between planning and thicknessing mode either by

– a design that does not require any alteration of the machine; or

– an interlocked removable or adjustable guard If the planer table can be folded up or removed to

realise the different operating modes, it shall be considered as a movable guard

The time for opening the moveable guard shall be longer than the run-down time of the blade

18.1.104.3 Tables, which can be folded up, shall be automatically secured when in the open position

Compliance with 18.1.104.1 to 18.1.104.3 is checked by inspection and measurement

18.2 Modification:

All machines covered by this European Standard shall be provided with means to fix the machine to a

table or a similar support

Compliance is checked by inspection

18.3 Modification:

Machines not fixed to a table shall have a sufficient stability

The tool shall be placed on a horizontal fixed chipboard with smooth surface

When a push force of 100 N is applied to the front edge of the tool in the direction of the work piece

feed, the tool shall not move or start to tip

The force in 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 Mechanical strength

This clause of Part 1 is applicable except as follows:

19.1 Addition:

The guards above and below the table shall be manufactured from:

a) steel having the following characteristics:

Ultimate tensile strength

b) light alloy with the characteristics given below:

Ultimate tensile strength

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c) polycarbonate with a wall thickness of at least 3 mm or other plastic material having an impact strength equal to or better than a polycarbonate of at least 3 mm thickness

Compliance is checked by examining the relevant drawings, measurement, inspection of the tool and

by receipt of confirmation of the ultimate strength by the manufacturer of the material

20 Construction

This clause of Part 1 is applicable except as follows:

20.18 Addition:

The actuation of the mains switch or control device shall not be affected by, nor access to the switch

or control device be restricted by, adjustment of the table position or by the work piece

Compliance is checked by inspection

The machine shall be designed to avoid inadvertent starting

Compliance is checked by the following test

It shall not be possible to start the machine by applying a sphere with a diameter of (100 ± 1) mm to the switch

20.19 Addition:

After switching off the motor the stopping time of the cutter block shall not exceed 10 s

Compliance is checked by the following test:

When selecting the speed, conditions shall be chosen which create the greatest kinetic energy for which the machine is designed

Warm up the cutter block spindle for at least 1 min by running the machine under no-load before beginning the test

The time measuring equipment shall have an accuracy of ± 0,1 s

Unbraked run-down time:

Start the motor and run at no-load for 1 min The unbraked run-down time of the machine is the average of three measurements taken

Braked run-down time:

Start the motor and run at no-load for 1 min The braked run-down time of the machine is the average

of ten measurements taken

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20.21 Addition:

Planers, thicknessers and combined planers and thicknessers are machines where a considerable

amount of dust may be expected to be produced

20.Z101 Planers, thicknessers and combined planers and thicknessers shall be provided with

effective lifting and transportation positions, which are identified clearly on the machine and in the instructions

20.Z102 Planers, thicknessers and combined planers and thicknessers shall be provided with a

push-stick and a provision to store the push-push-stick on the machine when not in use Figure Z109 shows an example of a push stick

Compliance with 20.Z101 to 20.Z102 is checked by inspection

20.Z103 The machines shall be provided with

– tools required for blade change;

– a gauge for blade adjustment, if the blades are adjustable in accordance with 7.13 c)

Compliance is checked by inspection

21 Internal wiring

This clause of Part 1 is applicable

22 Components

This clause of Part 1 is applicable

23 Supply connection and external flexible cables and cords

This clause of Part 1 is applicable

24 Terminals for external conductors

This clause of Part 1 is applicable

25 Provision for earthing

This clause of Part 1 is applicable

26 Screws and connections

This clause of Part 1 is applicable

27 Creepage distances, clearances and distances through insulation

This clause of Part 1 is applicable

28 Resistance to heat, fire and tracking

This clause of Part 1 is applicable

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