ISO INTERNATIONAL STANDARD 12643-1 Third edition 2023-11 Graphic technology Safety requirements for graphic technology equipment and systems Part 1: General requirements Technologie graphique - Exigences de securite pour les systemes et I'équipement de technologie graphique Partie 1: Exigences générales Reference number IS0 12643-1:2023(E) Tso @ ISO 2023 IS0 12643-1:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 or IsoO's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023 - All rights reserved IS0 12643-1:2023(E) Contents @Page Foreword. vi Introduction. .vili 1 Scope. .1 2 Normative references .2 3 Terms and definitions .5 4 Significant hazards .14 5 Safety requirements and/or protective measures 15 5.1 General. 15 5.2 Risk assessment. 15 5.3 Safeguarding of significant hazards 15 5.3.1 General principles 15 5.3.2 Guards 15 5.3.3 In-running(in-going)nips 18 5.3.4 Guarding in-running nips. 19 5.3.5 Interlocks 22 5.3.6 Hold-to-run mode 23 5.3.7 Protective measures for accessible hazard zones 24 5.3.8 Guarding reel unwinding, rewinding and transport devices. 25 5.3.9 Threading of web material.. 40 5.3.10 General requirements for feeding units and delivery units 40 5.4 Requirements for protection against other hazards 45 5.4.1 General 45 5.4.2 Fire and explosion protection 45 5.4.3 Electrical equipment. 50 5.4.4 Working platforms, access stairs, passageways, fixed ladders and raised workplaces. 51 5.4.5 Stability. 55 5.4.6 High contact temperatures 56 5.4.7 Noise 56 5.4.8 Radiation hazards. 57 5.4.9 Stationary knives. 58 5.4.10 Doctor blades. 58 5.4.11 Rotarytools 58 5.4.12 Transport and storage of hazardous tools 58 5.4.13 Protruding machine parts 58 5.4.14 Handwheels and cranks. 59 5.4.15 Oxidizers, incinerators or thermal cleaning plants. 59 5.4.16 Protection against crushing and shearing hazards 59 5.4.17 Contact with hazardous substances. 60 5.5 Release from hazardous situation 60 5.6 Control zones. 60 5.6.1 General 60 5.6.2 Purpose of zone configuration. 60 5.6.3 Control stations in control zones 60 5.7 Controls. 61 5.7.1 General 61 5.7.2 Manual control devices. 61 5.7.3 Initiating machine motion 67 5.7.4 Hold-to-run controls. 67 5.7.5 Two-hand controls. 67 5.7.6 Electro-sensitive protective devices 68 5.7.7 Pressure-sensitive mats, pressure-sensitive bumpers, trip devices .68 @ IS0 2023 - All rights reserved iii IS0 12643-1:2023(E) 5.7.8 Braking devices and clutches 69 5.8 Control stations 70 5.8.1 General 70 5.8.2 Control station location. 70 5.8.3 Portable control stations 70 5.9 Remote access. 71 5.10 Safety-related control systems 71 5.10.1 Hydraulic, pneumatic, electric and electronic control systems 71 5.10.2 Electronic adjustable speed drives. 73 5.10.3 Cut-off of main energy source. .74 5.10.4 Residual-pile monitoring systems .74 5.10.5 Unobserved unguarded hazard zones 74 5.10.6 Increased control system requirements for hand-fed machines .74 5.11 Ergonomics and labelling of indicators and actuators. .75 6 Verification of the safety requirements and/or protective/risk reduction measures .75 7 Signals and warning devices .79 7.1 General. .79 7.2 Audible warning system 80 7.2.1 Audible alarm. .80 7.2.2 Warning period. 80 7.2.3 Permissive period 80 7.2.4 Optional personnel warning lights with audible alarm 81 7.2.5 Optional personnel warning lights for automatic set-up operations 82 7.2.6 Optional personnel warning lights for auxiliary equipment having armed status. .82 7.3 Area-light warning system. 82 8 Information for use. .83 8.1 Safety signs... .83 8.2 Specific requirements for machi