SIST EN ISO 20430:2020

SLOVENSKI STANDARD
oSIST prEN ISO 20430:2017
01-marec-2017
Stroji za predelavo gume in plastike - Stroji za brizgalno vlivanje - Varnostne
zahteve (ISO/DIS 20430:2017)
Plastics and rubber machines - Injection moulding machines - Safety requirements
(ISO/DIS 20430:2017)
Kunststoff- und Gummimaschinen - Spritzgießmaschinen - Sicherheitsanforderungen
(ISO/DIS 20430:2017)
Machines pour les matières plastiques et le caoutchouc - Machines de moulage par
injection - Prescription de sécurité (ISO/DIS 20430:2017)
Ta slovenski standard je istoveten z: prEN ISO 20430
ICS:
83.200 Oprema za gumarsko Equipment for the rubber and
industrijo in industrijo plastics industries
polimernih materialov
oSIST prEN ISO 20430:2017 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Machines pour les matières plastiques et le caoutchouc — Machines de moulage par injection —

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

Foreword ............................................................................................................................................................................... viii

Introduction ......................................................................................................................................................................... viii

1 Scope............................................................................................................................................................................. x

2 Normative references ........................................................................................................................................... x

3 Terms and definitions ........................................................................................................................................xii

4 Safety requirements and/or protective/risk reduction measures............................................. xvii

4.1 General ................................................................................................................................................................... xvii

4.1.1 Emergency stop ................................................................................................................................................. xviii

4.1.2 Guards .................................................................................................................................................................... xviii

4.1.3 Electro-sensitive protective equipment (ESPE) in the form of light curtains ........................... xx

4.1.4 Two-hand control devices ...............................................................................................................................xxi

4.1.5 Pressure sensitive mats, floors and edges................................................................................................xxi

4.1.6 Requirements for automatic monitoring..................................................................................................xxi

4.1.7 Movements caused by gravity during production .............................................................................. xxii

4.2 Mould area ............................................................................................................................................................ xxii

4.2.1 Hazards due to the closing movement of the platen during production .................................. xxii

4.2.2 Hazards due to the closing movement of the platen on sides of the machine where a

cycle cannot be initiated..................................................................................................................................xxv

4.2.3 Hazards due to movements other than the closing movement of the platen during

production .............................................................................................................................................................xxv

4.2.4 Use of control guards ..................................................................................................................................... xxvii

4.2.5 Thermal hazards ............................................................................................................................................... xxix

4.2.6 Additional safety requirements for machines with a downstroking platen.......................... xxix

4.2.7 Additional requirements for machines where whole body access is possible between

the interlocking guard or light curtain for the mould area and the mould area itself...... xxxi

4.2.8 Additional requirements for machines where whole body access to the mould area is

possible ................................................................................................................................................................ xxxii

4.3 Clamping mechanism area or area behind the mobile platen ................................................... xxxiv

4.3.1 Basic safety requirements .......................................................................................................................... xxxiv

4.3.2 Additional safety requirements for machines with an upstroking platen ........................... xxxiv

4.4 Area of movement of cores and ejectors and their drive mechanisms outside the

mould and/or clamping mechanism areas .......................................................................................... xxxv

4.5 Nozzle area.......................................................................................................................................................... xxxv

4.5.1 Mechanical hazards ........................................................................................................................................ xxxv

4.5.2 Thermal hazards ............................................................................................................................................. xxxvi

4.6 Injection unit area .......................................................................................................................................... xxxvi

4.6.1 Mechanical hazards ....................................................................................................................................... xxxvi

4.6.2 Thermal hazards ............................................................................................................................................xxxvii

4.6.3 Mechanical and/or thermal hazards ....................................................................................................xxxvii

4.7 Discharge area .............................................................................................................................................. xxxviii

4.8 Safety requirements and/or protective measures against hazards not associated

with a particular area of the machine ................................................................................................ xxxviii

4.8.1 Whiplash of flexible hoses ....................................................................................................................... xxxviii

4.8.2 Release of fluids under pressure ............................................................................................................. xxxix

4.8.3 Hazards during adjustment and servicing .......................................................................................... xxxix

4.8.4 Electrical hazards and hazards due to electromagnetic interference .................................... xxxix

4.8.5 Thermal hazards ............................................................................................................................................. xxxix

4.8.6 Hazards generated by noise.............................................................................................................................. xl

4.8.7 Hazards generated by gases, fumes and dusts..........................................................................................xl

4.8.8 Slip, trip and fall hazards....................................................................................................................................xl

4.8.9 Hydraulic and pneumatic systems .................................................................................................................xl

4.8.10 Power operated guards ..................................................................................................................................... xli

4.9 Additional safety requirements and/or protective measures associated with specific

machine design ..................................................................................................................................................... xli

4.9.1 Carousel machines............................................................................................................................................... xli

4.9.2 Shuttle-table machines / machines with sliding platen and turn-table machines ................ xli

4.9.3 Multi-station machines with mobile injection unit ............................................................................. xlii

4.9.4 Cellular foam injection moulding machines ........................................................................................... xlii

4.9.5 Additional requirements for machines where the injection unit discharges towards

the operating position ...................................................................................................................................... xlii

4.10 Additional safety requirements and/or protective measures when using ancillary

equipment .............................................................................................................................................................. xlv

4.10.1 Power operated mould clamping devices................................................................................................ xlv

4.10.2 Fluid-assisted injection moulding ............................................................................................................... xlv

4.10.3 Other ancillary equipment............................................................................................................................. xlvi

5 Verification of safety requirements and/or protective/risk reduction measures .............xlvii

6 Information for use ........................................................................................................................................... xlix

6.1 Instruction handbook ...................................................................................................................................... xlix

6.1.1 General.................................................................................................................................................................... xlix

6.1.2 Emergency stop................................................................................................................................................... xlix

6.1.3 Overall system stopping performance ..................................................................................................... xlix

6.1.4 Stopping time ....................................................................................................................................................... xlix

6.1.5 Light curtains ....................................................................................................................................................... xlix

6.1.6 Moulds and extensions .................................................................................................................................... xlix

6.1.7 Movements of cores and ejectors................................................................................................................ xlix

6.1.8 Machines with a downstroking or upstroking platen ............................................................................. l

6.1.9 Thermal hazards in the mould area ................................................................................................................ l

6.1.10 Maintenance operations on vertical machines .......................................................................................... l

6.1.11 Machines where whole body access is possible ......................................................................................... l

6.1.12 Presence detecting devices in the mould area............................................................................................ l

6.1.13 Injection unit .............................................................................................................................................................. l

6.1.14 Machines where the injection unit discharges towards the operating position ......................... l

6.1.15 Flexible hose assemblies .....................................................................................................................................li

6.1.16 Adjustment and servicing....................................................................................................................................li

6.1.17 Exhaust system.........................................................................................................................................................li

6.1.18 Designated access and working positions ...................................................................................................li

6.1.19 Non-permanent safe means of access ............................................................................................................li

6.1.20 Automatic feeding of material......................................................................................................................... lii

6.1.21 Manual feeding of material............................................................................................................................... lii

6.1.22 Ancillary equipment ............................................................................................................................................ lii

6.1.23 Applying ergonomic principles when using ancillary equipment .................................................. lii

6.1.24 Fluid injectors......................................................................................................................................................... lii

6.1.25 Cellular foam injection moulding .................................................................................................................. lii

6.1.26 Cleaning of hydraulic system .......................................................................................................................... liii

6.1.27 Noise emission....................................................................................................................................................... liii

6.1.28 Splashing hazards where two-hand control devices are used ........................................................ liii

6.2 Marking..................................................................................................................................................................... liii

6.3 Safety signs.............................................................................................................................................................. liii

Annex A (informative) List of significant hazards .............................................................................................. liv

A.1 General ......................................................................................................................................................................liv

A.2 Mould area ...............................................................................................................................................................lvi

A.3 Clamping mechanism area or area behind the mobile platen ....................................................... lvii

A.4 Area of movement of core and ejector and their drive mechanisms outside both the

mould area and the clamping mechanism area .................................................................................... lvii

A.5 Nozzle area............................................................................................................................................................. lvii

A.6 Injection unit area ............................................................................................................................................. lviii

A.7 Discharge area .................................................................................................................................................... lviii

A.8 Hazards not associated with a particular area of the machine........................................................lix

A.8.1 Whiplash of flexible hoses ................................................................................................................................lix

A.8.2 Release of fluids under pressure ...................................................................................................................lix

A.8.3 Hazards during adjustment and servicing ................................................................................................lix

A.8.4 Electrical hazards and hazards due to electromagnetic interference ..........................................lix

A.8.5 Thermal hazards ...................................................................................................................................................lix

A.8.6 Hazards generated by noise.............................................................................................................................lix

A.8.7 Hazards generated by gases, fumes and dusts ........................................................................................lix

A.8.8 Slip, trip and fall hazards ................................................................................................................................... lx

A.8.9 Hydraulic and pneumatic systems................................................................................................................. lx

A.8.10 Power operated guards....................................................................................................................................... lx

A.9 Additional hazards associated with specific machine design ........................................................... lx

A.9.1 Carousel machines ................................................................................................................................................ lx

A.9.2 Shuttle-table machines/machines with sliding platen and/or turn-table machines ............. lx

A.9.3 Multi-station machines with mobile injection unit ................................................................................ lx

A.9.4 Cellular foam injection moulding machines.............................................................................................. lx

A.9.5 Machines where the injection units discharges towards the operating position ..................... lx

A.10 Additional hazards when using ancillary equipment ..........................................................................lxi

A.10.1 Power operated mould clamping devices .................................................................................................lxi

A.10.2 Fluid injectors ........................................................................................................................................................lxi

A.10.3 Other ancillary equipment ...............................................................................................................................lxi

Annex B (normative) Safety Type I ........................................................................................................................... lxii

B.1 Movable guards for hydraulic axis.............................................................................................................. lxii

B.1.1 General .................................................................................................................................................................... lxii

B.1.2 Interlocking using one position detector and one main shut-off device ................................... lxii

B.2 Movable guards for electrical axis ............................................................................................................. lxiii

B.2.1 General ................................................................................................................................................................... lxiii

B.2.2 Interlocking using one position detector and one electromechanical component as

shut-off device ..................................................................................................................................................... lxiv

B.2.3 Interlocking using a motor control unit with the safety related function as shut-off

device ...................................................................................................................................................................... lxvi

B.3 Light curtain for hydraulic axis .................................................................................................................lxviii

B.3.1 General .................................................................................................................................................................lxviii

B.3.2 Interlocking using a light curtain and one main shut-off device ...............................................lxviii

B.4 Light curtain for electrical axis.................................................................................................................... lxix

B.4.1 General ................................................................................................................................................................... lxix

B.4.2 Interlocking using a light curtain and one electromechanical component as shut-off

device ...................................................................................................................................................................... lxix

B.4.3 Interlocking using a light curtain and motor control unit with the safety related

function as shut-off device............................................................................................................................. lxxi

Annex C (normative) Safety Type II.......................................................................................................................lxxiii

C.1 Movable guards for hydraulic axis...........................................................................................................lxxiii

C.1.1 General .................................................................................................................................................................lxxiii

C.1.2 Interlocking using two position detectors and one main shut-off device ............................. lxxiii

C.2 Movable guards for electrical axis............................................................................................................. lxxv

C.2.1 General................................................................................................................................................................... lxxv

C.2.2 Interlocking using two position detectors and one electromechanical component as

shut-off device ...................................................................................................................................................lxxvi

C.2.3 Interlocking using two position detectors and a motor control unit with the safety

related function as shut-off device........................................................................................................ lxxviii

C.3 Light curtain for hydraulic axis .................................................................................................................lxxxi

C.3.1 General..................................................................................................................................................................lxxxi

C.3.2 Interlocking using a light curtain and one main shut-off device................................................lxxxi

C.4 Light curtain for electrical axis ............................................................................................................... lxxxiii

C.4.1 General............................................................................................................................................................... lxxxiii

C.4.2 Interlocking using a light curtain and one electromechanical component as shut-off

device.................................................................................................................................................................. lxxxiii

C.4.3 Interlocking using a light curtain and a motor control unit with the safety related

function as shut-off device ........................................................................................................................ lxxxiv

Annex D (normative) Safety Type III ................................................................................................................. lxxxvii

D.1 Movable guards for hydraulic axis ....................................................................................................... lxxxvii

D.1.1 General.............................................................................................................................................................. lxxxvii

D.1.2 Interlocking, using three position detectors and two independent shut-off devices ... lxxxvii

D.1.3 Interlocking, using two position detectors with safety device and two independent

shut-off devices .................................................................................................................................................... xci

D.1.4 Interlocking, using a contactless position detector and two independent shut-off

devices.................................................................................................................................................................... xciv

D.2 Interlocking of movable guards for electrical axis ...........................................................................xcvii

D.2.1 General..................................................................................................................................................................xcvii

D.2.2 Interlocking, using three position detectors and two electromechanical components

shut-off devices ......................................................................................................................