Bsi bs en 00859 2007 + a2 2012

The safety related part of the control system also see 5.2.1 for hold-to-run control shall be at least PL=c in accordance with the requirements of EN ISO 13849-1:2008.$ Verification: By

National foreword

This British Standard is the UK implementation of

EN 859:2007+A1:2009 It supersedes BS EN 859:2007 which is withdrawn

The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the CEN amendment For example, text altered by CEN amendment A1 is indicated by !"

The UK participation in its preparation was entrusted to Technical Committee MTE/23, Woodworking machines

A list of organizations represented on this committee can be obtained

on request to its secretary

This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application

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

This British Standard was

published under the authority

of the Standards Policy and

This British Standard is the UK implementation of

EN 859:2007+A1:2009 It supersedes BS EN 859:2007 which is withdrawn

The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the CEN amendment For example, text altered by CEN amendment A1 is indicated by !"

The UK participation in its preparation was entrusted to Technical Committee MTE/23, Woodworking machines

A list of organizations represented on this committee can be obtained

on request to its secretary

This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application

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

This British Standard was

published under the authority

of the Standards Policy and

This British Standard is the UK implementation of

EN 859:2007+A1:2009 It supersedes BS EN 859:2007 which is withdrawn

The start and finish of text introduced or altered by amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the CEN amendment For example, text altered by CEN amendment A1 is indicated by !"

The UK participation in its preparation was entrusted to Technical Committee MTE/23, Woodworking machines

A list of organizations represented on this committee can be obtained

on request to its secretary

This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application

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

This British Standard was

published under the authority

of the Standards Policy and

28 February 2010 Implementation of CEN amendment A1:2009

Amendments/corrigenda issued since publication

28 February 2012 Implementation of CEN amendment A1:2009

31 July 2012 Implementation of CEN amendment A2:2012

This British Standard was

published under the authority

of the Standards Policy and

This British Standard is the UK implementation of EN 859:2007+A2:2012

It supersedes BS EN 859:2007+A1:2009, which is withdrawn

machines

Sécurité des machines pour le travail du bois - Machines à

dégauchir à avance manuelle Sicherheit von Holzbearbeitungsmaschinen - Abrichthobelmaschinen mit Handvorschub

This European Standard was approved by CEN on 10 May 2007 and includes Amendment 1 approved by CEN on 24 October 2009 and Amendment 2 approved by CEN on 13 May 2012

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-CENELEC 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-CENELEC Management Centre has the same status as the official versions

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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, Turkey and United Kingdom

EUROPEAN COMMITTEE FOR STANDARDIZATION

C O M IT É E U R O P É E N D E N O R M A LIS A T IO N EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2012 CEN All rights of exploitation in any form and by any means reserved

worldwide for CEN national Members Ref No EN 859:2007+A2:2012: E

Contents

Foreword 4



Introduction 5



1 Scope 6



2 Normative references 6



3 Terms and definitions 8



3.1 General 8



3.2 Definitions 8



3.3 Terms 10



4 List of significant hazards 12



5 Safety requirements and/or measures 14



5.1 General 14



5.2 Controls 14



5.2.1 Safety and reliability of control systems 14



5.2.2 Position of controls 15



5.2.3 Starting 15



5.2.4 Normal stopping 16



5.2.5 Emergency stop 17



5.2.6 Failure of the power supply 17



5.2.7 Failure of the control circuit 17



5.3 Protection against mechanical hazards 18



5.3.1 Stability 18



5.3.2 Hazard of break up during operation 18



5.3.3 Cutterblock holder and cutterblock design 18



5.3.4 Braking 18



5.3.5 Work piece supports and guides 19



5.3.6 Prevention of access to moving parts 23



5.3.7 Characteristics of guards 27



5.3.8 Safety appliances 27



5.4 Protection against non-mechanical hazards 28



5.4.1 Fire 28



5.4.2 Noise 28



5.4.3 Emission of chips and dust 29



5.4.4 Electricity 30



5.4.5 Ergonomics and handling 31



5.4.6 Pneumatics 32



5.4.7 Hydraulics 32



5.4.8 Electromagnetic compatibility 32



5.4.9 Supply disconnection (isolation) 32



5.4.10 Static electricity 33



5.4.11 Maintenance 33



6 Information for use 33



6.1 General 33



6.2 Marking 33



6.3 Instruction handbook 34



Annex A (normative) Tests for bridge type guards for surface planing machines 38



A.1 General 38



A.2 Compression test 38



A.4 Strength test 38



Annex B (normative) Table lip resistance test 40



B.1 General 40



B.2 Work piece 40



B.3 Measurements 43



B.4 Test 43



B.5 Result 44



Annex C (normative) Stability test for displaceable machines 45



Annex D (normative) Impact test method for guards 46



D.1 General 46



D.2 Test method 46



D.2.1 Preliminary remarks 46



D.2.2 Testing equipment 46



D.2.3 Projectile for guards 46



D.2.4 Sampling 46



D.2.5 Test procedure 47



D.3 Results 47



D.4 Assessment 47



D.5 Test report 47



D.6 Test equipment for impact test 47



Annex E (normative) Braking tests 51



E.1 Conditions for all tests 51



E.2 #Un-braked$$ run-down time 51



E.3 Braked run-down time 51



Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC"" 53



Bibliography 56



Foreword

This document (EN 859:2007+A2:2012) 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 December 2012, and conflicting national standards shall be withdrawn

at the latest by December 2012

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 includes Amendment 1, approved by CEN on 2009-10-24 and Amendment 2, approved by CEN on 2012-05-13

The start and finish of text introduced or altered by amendment is indicated in the text by tags! " and

# $

This document supersedes #EN 859:2007+A1:2009$

This document 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 EU Directive$

#For relationship with Machinery EU Directive, see informative Annex ZA, which is an integral part of this document.$

Organisation contributing to the preparation of this document include the European Association of Manufacturer of Woodworking Machines "EUMABOIS"

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 introduction of

#EN ISO 12100:2010$ 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, Croatia, 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, Turkey and the United Kingdom

Introduction

This document has been prepared to be a harmonised standard to provide one means of conforming to the essential safety requirements of the Machinery Directive, and associated EFTA regulations

This document is a type C standard as stated in #EN ISO 12100:2010$

The machinery concerned and the extent to which hazards, hazardous situations and events are 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 type C 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 hand fed surface planing machines They are also useful for designers and importers

This document also includes examples of provisions and examples of information to be provided by the manufacturer to the user

Common requirements for tooling are given in #EN 847-1:2005+A1:2007$

1 Scope

This document !specifies all significant" hazards, hazardous situation and events as listed in Clause 4 relevant to stationary and displaceable hand fed surface planing machines fitted or not with demountable power feed unit hereinafter referred to as "machines" designed to cut solid wood, chipboard, fibreboard and plywood when they are used as intended and under the conditions foreseen by the manufacturer #including reasonably foreseeable misuse$

#Machines which are designed to work wood based materials may also be used for working hardened plastic materials with similar physical characteristics as wood.$

This document does not apply to:

a) machines set up on a bench or a table similar to a bench, which is intended to carry out work in a stationary position, capable of being lifted by one person by hand;

NOTE 1 Transportable motor-operated electric tools are dealt with by #EN 61029-1:2009$ together with

#EN 61029-2-3:2009$

b) hand held planers or any adaptation permitting their use in a different mode, i.e bench mounting

NOTE 2 Hand-held motor-operated electric tools are dealt with by #EN 60745-1:2009$ together with

#EN 1005-4:2005+A1:2008$, Safety of machinery — Human physical performance — Part 4: Evaluation

of working postures and movements in relation to machinery

#EN 1037:1995+A1:2008$, Safety of machinery — Prevention of unexpected start-up

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 60439-1:19991), Low-voltage switchgear and controlgear assemblies — Part 1: Type-tested and partially type-tested assemblies (IEC 60439-1:1999)

EN 60529:19912), Degrees of protection provided by enclosures (IP code) (IEC 60529:1989)

!EN 61310-1:2008, Safety of machinery — Indication, marking and actuation — Part 1: Requirements for visual, auditory and tactile signals (IEC 61310-1:2007)"

EN 61496-1:2004, Safety of machinery — Electro-sensitive protective equipment — Part 1: General requirements and tests (IEC 61496-1:2004, modified)

— Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010)$

#EN ISO 3743-2:2009$, Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering methods for small, movable sources in reverberant fields — Part 2: Methods for special reverberation test rooms (ISO 3743-2:1994)

#EN ISO 3744:2010$, #Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)$

#EN ISO 3745:2009$, Acoustics — Determination of sound power levels of noise sources using sound pressure — Precision methods for anechoic and semi-anechoic rooms (ISO 3745:2003)

#EN ISO 3746:2010$, #Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010)$

#EN ISO 4413:2010, Hydraulic fluid power — General rules and safety requirements for systems and their components (ISO 4413:2010)

EN ISO 4414:2010, Pneumatic fluid power — General rules and safety requirements for systems and their components (ISO 4414:2010)$

#EN ISO 4871:2009$, Acoustics — Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996)

#EN ISO 9614-1:2009$, Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discreet points (ISO 9614-1:1993)

1) #EN 60439-1:1999 is impacted by EN 60439-1:1999/A1:2004.$

2) #EN 60529:1991 is impacted by EN 60529:1991/A1:2000.$

#EN ISO 11202:2010$, #Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections (ISO 11202:2010)$

#EN ISO 11204:2010$, #Acoustics — Noise emitted by machinery and equipment — Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections (ISO 11204:2010)$

#EN ISO 11688-1:2009$, Acoustics — Recommended practice for the design of low-noise machinery and equipment — Part 1: Planning (ISO/TR 11688-1:1995)

#EN ISO 12100:2010, Safety of machinery — General principles for design — Risk assessment and risk reduction (ISO 12100:2010)$

!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)

ISO 7571:1986, Woodworking machines — Surface planing machines with cutterblock for one-side dressing

— Nomenclature and acceptance conditions

ISO 7960:1995, Airborne noise emitted by machine tools — Operating conditions for woodworking machines

3 Terms and definitions

handfed surface planing machine

machine designed for cutting off layers of the lower surface of a work piece 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 work piece

NOTE The cutterblock is a cylindrical shaped complex tool equipped with blades with horizontal straight cutting line that cuts while rotating (see also for a description of the complex tool #EN 847-1:2005+A1:2007$) The work piece is fed into the machine against the direction of the cut

machine designed to be located on or fixed to the floor or other parts of the structure of the premises and to

be stationary during use

demountable power feed unit

feed mechanism which is mounted on the machine so that it can be moved from its working position without the use of a spanner or similar additional device

safety programmable logic controller (PLC)

programmable logic controller dedicated to safety related application designed in the required

#PL$ according to !EN ISO 13849-1:2008"

#deleted text$

#3.2.12

embedded software (SRESW)

software that is part of the system supplied by the control manufacturer and which is not accessible for modification by the user of the machinery$

NOTE 1 Firmware or system software are examples of embedded software #( EN ISO 13849-1:2008, 3.1.37)$ NOTE 2 Manufacturer means manufacturer of the system

NOTE 3 For example, the operating system of a speed monitoring device

#3.2.13

application software (SRASW)

software specific to the application, implemented by the machine manufacturer, and generally containing logic sequences, limits and expressions that control the appropriate inputs, outputs, calculations and decisions necessary to meet the SRP/CS requirements

[EN ISO 13849-1:2008, 31.136]$

#3.2.14$$

safety related part of a control system (SRP(CS))

part or subpart(s) of a control system that responds to #safety related$ input signals and generates safety-related output signals

#NOTE 1$ The combined safety-related parts of a control system start at the point where the safety-related signals are initiated (including e.g the actuating cam and the roller of the position switch) and end at the output of the power control

elements (including e.g the main contacts of the contactor) #deleted text$

#NOTE 2 If monitoring systems are used for diagnostics, they are also considered as SRP/CS

[EN ISO 13849-1:2008, 3.1.1]$$$

#3.2.15$$

information from the supplier

statement, sales literature, leaflets or other documents, where a manufacturer (or supplier) declares either the characteristics or the compliance of the material or product to a relevant standard

6 bridge guard adjustment

7 guard rear the fence

8 cutterblock

9 controls

10 fence tilting adjustment

11 table height adjustment

12 dust extraction outlet

Figure 1 — Example of hand fed surface planing machine

Figure 2 — Planing (left) and edging (right)

4 List of significant hazards

This clause contains !all significant" hazards, hazardous situations and events (see

#EN ISO 12100:2010$), #deleted text$, identified by risk assessment as significant for the machines

as defined in the scope and which require action to eliminate or reduce the risk This document deals with these significant hazards by defining safety requirements and / or measures or by reference to relevant standards

#These hazards are listed in Table 1:$

#Table 1 — List of significant hazards

No Hazards, hazardous situations and hazardous events EN ISO

12100:2010

Relevant clause of this document

1 Mechanical hazards related to:

- machine parts or work pieces due to:

a) shape; 6.2.2.1, 6.2.2.2, 6.3 5.3.3, 5.3.5,

5.3.6

5.3.6 c) mass and stability (potential energy

of elements which may move under the effect of gravity);

5.3.1, 5.3.5

e) mechanical strength; 5.3.5, 5.3.6,

5.3.7

- accumulation of energy inside the machinery by:

f) elastic elements (springs); 6.2.10, 6.3.5.4 5.3.6 g) liquids and gases under pressure 5.4.6, 5.4.7

2 Electrical hazards due to:

2.1 Contact of persons with live parts

(direct contact) 6.2.9, 6.3.5.4 5.4.4 2.2 Contact of persons with parts which

have become live under faulty conditions (indirect contact)

to be continued

Table 1 — List of significant hazards (continued)

No Hazards, hazardous situations and hazardous events EN ISO

12100:2010

Relevant clause of this document

4 Hazards generated by noise, resulting in:

4.1 Hearing loss (deafness), other

physiological disorders (loss of

balance, loss of awareness)

6.2.2.2, 6.3 5.4.2

4.2 Interference with speech

communication, acoustic signals 5.4.2

7 Hazards generated by materials and substances (and their constituent

elements) processed or used by the machinery:

7.1 Hazards from contact with or

inhalation of harmful fluids and dusts

10 Unexpected start-up, unexpected overrun/overspeed (or any similar

malfunction) from:

10.1 Failure/disorder of the control system 6.2.11, 6.3.5.4 5.2.1, 5.2.6,

5.2.7 10.2 Restoration of energy supply after an

10.3 External influences on electrical

to be continued

Table 1 — List of significant hazards (concluded)

No Hazards, hazardous situations and hazardous events EN ISO

12100:2010

Relevant clause of this document

10.5 Errors in the software 6.2.11.7 5.2.1

11 Impossibility of stopping the

machine in the best possible conditions

6.2.11.1, 6.2.11.3, 6.3.5.2 5.2.4, 5.2.5, 5.3.4

13 Failure of the power supply 6.2.11.1, 6.2.11.4 5.2.6

14 Failure of the control circuit 6.2.11, 6.3.5.4 5.2.1, 5.2.7

16 Break-up during operation 6.2.3 5.3.2

17 Falling or ejected objects or fluids 6.2.3, 6.2.10 5.3.2, 5.3.3,

The machine shall comply with the safety requirements and/or protective measures of Clause 5

#In addition, the machine should be designed according to the principles of EN ISO 12100:2010 for hazards relevant but not significant, which are not dealt with by this document (e.g sharp edges of the machine frame) For guidance in connection with risk reduction by design see 6.2 of EN ISO 12100:2010 and for safeguarding measures see 6.3 of EN ISO 12100:2010.$

in accordance with the requirements of EN ISO 13849-1:2008:$

 starting: #PL=c$ (see 5.2.3 and 5.3.4.2);

 normal stopping: #PL=c$ (see 5.2.4);

 emergency stop: #PL=c$ (see 5.2.5);

 interlocking: #PL=c$ (see 5.2.3, 5.2.6, 5.3.4.2 and 5.3.6.2);

#deleted text$

 braking: #PL=b or PL=c$ (see 5.3.4);

 preventing of unexpected start up in the event of power supply failure: #PL=c$ (see 5.2.6 and 5.2.7);

 brake release: #PL=c$ (see 5.3.4.1, 5.3.4.2);

#deleted text$

 for interlocking of the power supply to a socket for the #demountable$ power feed unit with cutterblock rotation: #PL=c$ (see 5.2.3);

 hold to run control: #PL=c$ (see 5.2.3);

 planing table(s) powered adjustment initiation (s): #PL=c$ (see 5.2.3);

b) at a fixed or moveable control panel fixed to the machine the controls of which are not more than

1 800 mm above the floor level and the distance between its front face and the front edge of the infeed table shall be not more than 650 mm The front face of the panel shall not protrude beyond the surface planing table at the operator position side

Verification: By checking the relevant drawings, measurement and inspection of the machine

5.2.3 Starting

Before starting or restarting the machine all the interlocked safeguards shall be in place and functional This is achieved by the interlocking arrangement described in 5.3.7 For non interlocked guards, guides adjustments' provisions before starting see 6.3 j)

Start or restart shall only be possible by actuation of the start control device provided for that purpose

For electrically operated machines the requirements of 9.2.5.2 of EN 60204-1:2006 shall apply and in addition:

 for the purpose of this document "operation" means rotation of the cutterblock and/or powered adjustment;

 start of a demountable power feed unit – if fitted – shall be possible only where the

#cutterblock$ motor is running #deleted text$

#When adjustment of the infeed table is powered, the control shall be via a hold to run control or a preset electronic control

For machines with infeed table adjustment via a preset electronic control:

 adjustment for the infeed table shall be initiated by a start control (e.g push button) the control sytem of which conforms at least to PL=c in accordance with the requirements of EN ISO 13849-1:2008; and

 at the end of programmed adjustment the power shall be cut to the adjustment actuator in at least PL=b

A new initiation shall be necessary to perform additional adjustment

The safety related part of the control systems (also see 5.2.1) for start and restart of the machine and for interlocking with the power supply for a demountable power feed unit (if fitted) shall be at least PL=c in accordance with the requirements of EN ISO 13849-1:2008

The safety related part of the control system (also see 5.2.1) for hold-to-run control shall be at least PL=c in accordance with the requirements of EN ISO 13849-1:2008.$

Verification: By checking the relevant drawings and/or circuit diagrams, inspection of the machine and relevant functional testing of the machine

5.2.4 Normal stopping

The machine shall be fitted with a stop control system, where by the machine and – if fitted – a demountable power feed unit can be brought safely to a complete stop The stopping action shall include disconnection from energy supply of all machine actuators and actuate the brake (if fitted see 5.3.4)

#For normal stopping of PDS(SR) (power drive system, safety related) see 4.2.2.2 "safe torque off (STO)” and 4.2.2.3 “safe stop 1 (SS1)” of EN 61800-5-2:2007.$

The normal stop control system shall be in accordance with the requirements in 9.2.2 of EN 60204-1:2006 shall be of:

a) category 1 where the machine is fitted with an electric brake, or

b) category 0 where the machine is fitted with a mechanical brake or the brake is not fitted

For a category 1 normal stop control system, the stopping sequence shall be:

1) cut at the same time power to a socket for connection of a demountable power feed unit and to the cutterblock motor and to the table adjustment if under preset electronic control, and apply the brake; 2) #cut power to the brake after the tool has come to rest e.g by a time delay of fail safe technique e.g of capacity type or conforming at least to PL=c in accordance with the requirements of

EN ISO 13849-1:2008.$

The design of the #control systems$ shall be such as to satisfy the normal stopping sequence requirements If a time delay device is used the time delay shall be at least equal to the braking time The time delay shall be fixed or the time delay adjustment device shall be sealed

#The safety related part of the control systems (also see 5.2.1) for normal stopping shall be at least PL=c in accordance with in accordance with the requirements of EN ISO 13849-1:2008.$

For machines designed to be used with de-mountable power feed unit or if a socket for a demountable power feed unit is fitted a separate category 1 stop control device in accordance with the requirements in 9.2.2 of

EN 60204-1:2006 shall be provided for the de-mountable power feed unit only

Verification: By checking the relevant drawings and/or circuit diagrams, inspection of the machine and relevant

functional testing of the machine

5.2.5 Emergency stop

Machines designed to be used with a demountable power feed unit or fitted with a socket for a demountable power feed unit or with preset electronic control for adjusting the height of the table(s) shall be fitted with an emergency stop control device which conforms to the requirements of 9.2.5.4.2 and 10.7 of EN 60204-1:2006 The emergency stop control device shall be at any time of self latching type

#For emergency stop of PDS(SR) see 4.2.2.2 "safe torque off (STO)” and 4.2.2.3 “safe stop 1 (SS1)” of

EN 61800-5-2:2007.$

In addition the following requirements shall be met:

If the machine is fitted with #a spring operated mechanical brake$ the emergency stop function shall conform to category 0 in accordance with the requirements in 4.1.4 of #EN ISO 13850:2008$ and the emergency stop control circuit shall conform to category 0 in accordance with the requirements in 9.2.2 of

EN 60204-1:2006 and shall fulfil the requirements of 9.2.5.4.2 of EN 60204-1:2006

If the machine #is fitted with any other type of brake e.g an electrical brake$ the emergency stop function shall conform to category 1 in accordance with the requirements in 4.1.4 of #EN ISO 13850:2008$ and the emergency stop control circuit shall conform to category 1 in accordance with the requirements in 9.2.2 of

EN 60204-1:2006 and shall fulfil the requirements of 9.2.5.4.2 of EN 60204-1:2006

When initiated the emergency stopping sequence shall be the same as for normal stopping (see 5.2.4)

The design of the #control systems$ shall be such as to satisfy the emergency stopping sequence requirements If a time delay device is used the time delay shall be at least the maximum run-down time Either the time delay shall be fixed or the time delay adjustment device shall be sealed

#The safety related part of the control sytems (also see 5.2.1) for emergency stop shall be at least PL=c in accordance with the requirements of EN ISO 13849-1:2008.$

Verification: By checking the relevant drawings and/or circuits diagrams, inspection of the machine and

functional testing of the machine

5.2.6 Failure of the power supply

The restoration of the energy supply after a supply interruption shall not result in a restart of any machine actuator in accordance with the requirements of #EN 1037:1995+A1:2008$ For electrically driven machines this is achieved e.g by providing an #under voltage$ protection at a predetermined #under voltage$ level in accordance with the requirements in 7.5, paragraphs 1 and 3 of EN 60204-1:2006

In the case of pneumatic and/or hydraulic supply interruption and where a dangerous movement is possible after the restoration of the supply pressure re-starting of any dangerous movement of the machine shall be prevented

Verification: By checking the relevant drawings and/or circuit diagrams, inspection of the machine and

functional testing of the machine

5.2.7 Failure of the control circuit

The requirements of Clause 6 of #EN 1037:1995+A1:2008$ shall apply and in addition:

The control circuits shall be designed so that a line rupture in any circuit (e.g broken wire, pipe or hose) will not result in the loss of a safety function e.g involuntary start in accordance with EN 60204-1:2006,

#EN ISO 4413:2010$ and #EN ISO 4414:2010$

For requirements for the #control systems$ see 5.2.1

Verification: By checking the relevant drawings and/or circuit diagrams, inspection of the machine and relevant

functional testing of the machine

5.3 Protection against mechanical hazards

5.3.1 Stability

It shall be possible to fix stationary machines and auxiliary equipment to a suitable stable structure e.g floor Facilities for fixing are e.g fixing holes in the machine frame or the necessary fixing devices (also see 6.3 f)) Displaceable machines shall have the facility to make them stable during machining (e.g by providing brakes for the wheels or a device to retract the wheels from the floor)

Verification: By checking the relevant drawings, inspection of the machine #and for displaceable machines

by performing$ the test in Annex C #deleted text$

5.3.2 Hazard of break up during operation

To reduce the probability of break up during operation the requirements of 5.3.3 and 5.3.5.1 apply To reduce the effect of break up during operation the requirements of 5.3.6 and 5.3.7 apply

Verification: By checking the relevant drawing

5.3.3 Cutterblock holder and cutterblock design

The cutterblock shall be of a round form complex cylindrical type and marked MAN in accordance with

The braked run-down time shall be less than 10 s

#A PLr of at least c for the braking function shall be achieved.$

#Where a mechanical brake is fitted the last paragraph of 9.3.4 of EN 60204-1:2006 does not apply.$ For electrical braking systems, reverse current injection braking shall not be used

#As an exception where an electrical braking system is used and contains electronic components the control system for braking shall fulfil at least the requirements of PL=b and be designed in category 2 of

EN ISO 13849-1:2008 with the exception that the test rate requirement in 4.5.4 of EN ISO 13849-1:2008 is not applicable The safety related part of the control system for braking shall be tested periodically, e.g by monitoring braked run down time The feed back shall come from either the encoder fitted to the cutterblock drive motor or from the measurement of the residual current in the wires powering the motor The test shall: a) be independent from the basic control system for braking or an internal watch dog function shall be

b) be independent from the intention of the operator;

c) be performed at each cutterblock stop.$

#deleted text$ Where the test result is negative more than three times in #succession,$ it shall not be

possible to operate the machine #A negative test shall be indicated.$

#The diagnostic coverage (DCavg) shall be ≥ 60 %

See EN ISO 13849-1:2008, Annex E for DC estimation.$

# As an exception, a simple electronic brake (using simple electronic parts like rectifiers, transistors, triacs, diodes, resistors, thyristors) may be PL=b and designed in category 1 in accordance with the requirements of

EN ISO 13849-1:2008 if the “mean time to a dangerous failure” (MTTFd) according to Table 5 of EN ISO 13849-1:2008 reaches a value of “high” (at least 30 years)

NOTE Complex electronic components like e.g microprocessors or PLCs cannot be considered as well tried under the scope of EN ISO 13849-1:2008 and do therefore not fulfil the requirements of category 1.$

#For calculating the probability of a dangerous failure for a simple electronic brake component with no fault detection (no DC) and no testing capability (category 1) the procedure described in Annex D of EN ISO 13849-1:2008 can be used.$

Verification: By testing the #un-braked$ run-down time and braked run down time, if relevant, according to the tests given in #Annex F$

5.3.4.2 Brake release

Where a control is provided to release the cutterblock brake in order to enable rotation by hand and adjustment of the cutterblock, release of the brake shall only be possible when the cutterblock has stopped turning (e.g by time delay between control actuation and brake release of fail safe technique #e.g of capacity type conforming to PL=c in accordance with the requirements of EN ISO 13849-1:2008)$ The actuator of the brake release shall be interlocked with the cutterblock drive motor so that it is not possible to start the motor if the brake is released The safety related part of the control system for brake release #shall conform at least to PL=c in accordance with the requirements of EN ISO 13849-1:2008$ (see also 5.2.1) Unexpected start-up shall be prevented by the following:

a) it shall only be possible to start the machine after the brake has been reset;

b) reset for the brake shall not initiate a start up of the machine

#The safety related part of the control systems (also see 5.2.1) for the interlocking function shall be at least PL=c in accordance with the requirements of EN ISO 13849-1:2008.$

Verification: By checking the relevant drawings, inspection of the machine and relevant functional testing of the machine

5.3.5 Work piece supports and guides

5.3.5.1 Table requirements

The machine design shall be such that rebating at the cutterblock end is not possible

The machine tables shall be in accordance with the following requirements:

a) vertical adjustment of the machine outfeed table shall be limited to 1,1 mm below the cutting circle diameter;

b) machines designed to have a depth of cut exceeding 1 mm shall be provided with vertical infeed table adjustment;

c) both infeed and outfeed tables shall be flat;

d) where the infeed table is provided with vertical adjustment, it shall remain parallel to the outfeed table throughout the full range of adjustment The range of adjustment shall be limited such that the depth of cut cannot exceed 8 mm;

e) tables shall be made of light alloy, cast iron or steel having a minimum ultimate tensile strength of

200 N mm-2;

f) table lips shall be resistant;

g) the table shall be such that:

1) distance d between the table lips and the cutting circle diameter shall be in a range from 1 mm to

5 mm whatever height the tables are set at (see Figure 3):

!deleted text"

!

Key

b distance between table lips and cutting circle diameter"

Figure 3 — Distance between table lips and cutting circle diameter

2) where the table or table lips are slotted (for the purpose of noise reduction), the slots shall not exceed 6 mm in width The minimum tooth thickness shall be 1,5 mm at the tip (see Figure 4);

3) where the table or table lips are drilled (for the purpose of noise reduction), the bores shall not allow for the passage of a 6 mm in diameter cylindrical pin;

Dimensions in millimetres

Figure 4 —Example of slots in table lips

h) table dimensions shall be such that the dimensions given in Table 2 are met

Table 2 — Table dimensions

Cutting width (W) (mm) Minimum distance (L) (mm) (infeed and

outfeed) between each table end and the vertical plane containing the cutterblock rotational axis

Verification: By checking the relevant drawings, measurement, inspection of the machine and the tests G.1 and G.2 of ISO 7571:1986 and the test in Annex B shall be performed

NOTE For the ultimate tensile strength a confirmation from the material manufacturer can be useful

5.3.5.2 Work piece guiding

The machine shall be equipped with a fence which complies with the following requirements:

a) fence shall not be able to come into contact in any position with the cutterblock;

b) it shall be attached to the machine and shall, on machines with a useful working width above 160 mm, be laterally adjustable without the aid of a tool over the whole cutterblock length with the possible exception

of the range of 160 mm from the front table edge;

c) if a tiltable fence is fitted, its normal position shall be at 90° to the face of the table and limited by an end stop Its movement shall be limited to 45° in a clockwise direction from its normal position when viewed

from the infeed end of the machine No movement in an anticlockwise direction from normal position when viewed from the infeed end of the machine shall be possible;

d) gap between the outfeed table and the lower surface of the fence shall not exceed 5 mm where the fence

is in vertical position and 10 mm in any other position of the fence;

e) it shall be capable of being locked in any position;

f) minimum fence height and length, related to the useful working width, shall be as given in Table 3;

Table 3 — Fence dimensions Useful working width

by fitting a locking device or by gravity The auxiliary fence shall not be able to come into contact in any

position with the cutterblock

If the machine is designed to be used with a demountable power feed unit it’s fixing shall not limit the fence adjustment over the whole fence adjustment range

Verification: By checking the relevant drawings, measurements, inspection of the machine and functional testing of the machine

5.3.6 Prevention of access to moving parts

5.3.6.1 Cutterblock guarding

5.3.6.1.1 General

The guards in front (see 5.3.6.1.2) and behind (see 5.3.6.1.3) the fence shall be designed so that they cannot

be removed from the machine without the aid of a tool

Verification: By checking the relevant drawings, inspection of the machine and functional testing of the machine

5.3.6.1.2 Safeguarding at the front section of the fence

Access to the cutterblock shall be prevented by an adjustable guard of the bridge type (see Figure 6) with or without self adjusting facility fixed to the machine, e.g to the machine frame on the outfeed table side

The bridge type guard shall satisfy the following requirements:

a) it shall be adjustable without the aid of a tool;

b) it shall be capable of being adjusted manually or automatically so as to reduce the gap between the fence and the guard to at most 6 mm and to cover the total exposed length of the cutterblock in front of the fence, regardless of the position of the fence and tables (see 5.4.5);

c) bridge of the bridge type guard shall be convex or flat in shape and so designed that contact of a part of the hand with the work piece is maintained during planing (e.g see Figure 6) Its upper surface shall be smooth and without projecting parts;

d) lower surface of the bridge of the bridge type guard shall be so designed that there is no contact with the cutterblock when the guard is pressed down on to the table;

e) its design shall allow for blade changing without dismounting the guard;

f) bridge of the bridge type guard or the bridge type guard shall be strong, shock and compression resistant; g) bridge of the bridge type guard shall be manufactured from a material such that in the event of contact with the cutterblock, neither the guard, nor the cutterblock will disintegrate (e.g plywood, light alloy); h) it shall be possible to lock horizontal adjustment of the bridge of the bridge type guard in any position without the aid of a tool and the bridge of the bridge type guard shall remain in its locked position when a horizontal force of 80 N is applied towards the fence;

i) it shall be adjustable in height from 0 mm to 75 mm maximum above the outfeed table and this adjustment shall be stepless and it shall return automatically to its pre-set position (for example by spring loading) after being pressed down;

j) in the lowest position and over the whole range of adjustment:

1) it shall totally cover the area between two vertical planes tangent to the table lips when they are set the maximum width apart taking account also the possible deflection;

2) in the lowest position the bridge of the bridge type guard shall cover the area between the table lips plus at least 5 mm at the infeed and outfeed side;

3) edge of the bridge at infeed table side shall be at a maximum of 2 mm from the work piece upper surface (see Figure 6);

4) edge of the bridge at outfeed table side shall be at a maximum of 4 mm from the work piece upper surface (see Figure 6);

Dimensions in millimetres

!

"

Figure 6 — Example of bridge type guard

k) guard adjustment devices shall be accessible from the operator position and within 1 m from the cutterblock axis;

l) its lower surface shall be so designed that there is no obstruction to the passage of the work piece through the machine;

m) its projection from the machine frame shall not exceed 550 mm;

n) maximum width of the bridge of the bridge type guard shall be:

1) 100 mm for a cutterblock length up to and including 350 mm;

2) 120 mm for a cutterblock length exceeding 350 mm;

o) automatic adjustable (self-adjusting) bridge-type guards shall be equipped at the infeed side with a leading-in device designed in a way that a horizontal force between 15 N and 30 N is applied to the work piece during self-adjusting

 be fixed to the guard;

 not protrude more than 30 mm from the fence or from the table as illustrated in Figure 7;

 either be equipped with a leading edge according to the dimension given in Figure 8 or to the dimensions given in Figure 9

Dimensions in millimetres

Figure 9 — Example 2 for bridge type leading edge design

Other requirements relevant for ergonomic aspects of the bridge type guard are given in 5.4.5

Verification: By checking the relevant drawings and inspection of the machine, measurement, functional

testing of the machine and performing the relevant tests A.2, A.3, and A.4 described in Annex A

5.3.6.1.3 Safeguarding at the rear of the fence

Access to the cutterblock at the rear of the fence shall be prevented by a #guard attached e.g hinged$ either to the fence or to the fence support

The #deleted text$ guard shall be designed:

a) to move with the fence;

b) to be capable of covering the full length and diameter of the cutterblock;

c) not to come into contact with the blades;

d) any gap at the rear between the fence and the fixed guard e.g created by the tilting of the fence shall be

in accordance with the requirements of Table 4 of !EN ISO 13857:2008"

Verification: By checking the relevant drawings, measurements, inspection of the machine and functional testing of the machine

5.3.6.2 Guarding of ##cutterblock$$ drive system

Access to the cutterblock drive mechanism shall be prevented by

#

 fixed guards, the fixing systems of which shall remain attached to the guards or to the machinery when the guards are removed, e.g with un-losable screws, if the fixed guards are to be demounted by the user e.g for maintenance (see 6.3 w)); or

 moveable guard interlocked with the cutterblock drive system in accordance with EN 1088:1995+A2:2008 where frequent access to the drives is needed for maintenance or adjustment purposes e.g more than once per shift.$

#The safety related part of control systems (also see 5.2.1) for the interlocking shall be at least PL=c in accordance with the requirements of EN ISO 13849-1:2008.$

Verification: By checking the relevant drawings, inspection of the machine and functional testing of the machine

5.3.6.3 Demountable #power feed unit$$

The fixing of the demountable power feed #unit$, when provided, shall be at the rear side of the machine See also 5.3.5.2

Verification: By checking the relevant drawings and inspection of the machine

b) light alloy with the characteristics shown in Table 4;

Table 4 — Light alloy cutterblock guard thickness and tensile strength

Ultimate tensile strength

in Annex E;$

d) cast iron with an ultimate tensile strength of at least 200 N mm-2 and a wall thickness of at least 5 mm

Verification: By checking the relevant drawings measurements #and for plastic materials other than

polycarbonate by performing the test in Annex E$

NOTE For the ultimate tensile strength a confirmation from the manufacturer of the material can be useful

Key

1 push block handle

Figure 10 — Example of push block

Verification: By checking the relevant drawings and/or circuits diagrams and inspection of the machine

5.4 Protection against non-mechanical hazards

5.4.1 Fire

To minimise the risk of fire the requirement in 5.4.3 and 5.4.4 shall be met (see also 6.3 h))

The requirements in 5.3.5.1 g) 1) apply for avoiding sparks as result of contact between cutting blades and the table lips

Verification: By checking the relevant drawings, inspection of the machine and relevant functional testing of

the machine

5.4.2 Noise

5.4.2.1 Noise reduction at the design stage

When designing machinery the information and technical measures to control noise at the source is given in

#EN ISO 11688-1:2009$ shall be taken into account Also the information given in EN ISO 11688-2:2000 may be taken into account The most relevant noise source is the rotating cutterblock

5.4.2.2 Noise emission measurement

Operating conditions for noise measurement shall comply with Annex B of ISO 7960:1995

Mounting and operating conditions of the machine shall be identical for the determination of emission sound pressure levels at the work station and sound power levels

For machines where Annex B of ISO 7960:1995 is not applicable e.g for fence position, cutting width or cutting depth the detailed operating and mounting conditions used shall be given in the test report

Emission sound power levels shall be measured in accordance with to the enveloping surface measuring method shown in #EN ISO 3746:2010$ with the following modifications:

a) environmental indicator K2A shall be equal to or less than 4 dB;