ISO INTERNATIONAL STANDARD 12643-4 Second edition 2023-11 Graphic technology Safety requirements for graphic technology equipment and systems - Part 4: Converting equipment and systems Technologie graphique - Exigences de seécurite pour les systemes et I'equipement de technologie graphique Partie 4: Systemes et équipement de faconnage Reference number IS0 12643-4:2023(E) rso @IS02023 IS0 12643-4:2023(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 ISo'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 i @ IS0 2023 - All rights reserved IS0 12643-4:2023(E) Contents Foreword .viii Introduction. . 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Significant hazards ..8 5 Equipment and interrelation between this document and Is0 12643-1:2023 5.1 General ..8 5.2 Machines used primarily in a converting operation. .8 5.3 Machines used in both printing and converting processes. ..8 6 Machinery for the production of corrugated board .9 6.1 All machines. ..9 6.1.1 Emergency stop .9 6.1.2 Control zones with stop/safe pushbuttons. 6.1.3 Steam pipes 10 6.2 Unwinding stations 10 6.2.1 General .10 6.2.2 Chucking cones and lifting arms. 10 6.2.3 Braking systems. .10 6.3 Splicers 10 6.3.1 Guarding hazard points .10 6.3.2 Dancerroller. 11 6.3.3 Splicers. 6.3.4 Knife ..12 6.3.5 Pneumatic and hydraulic control systems .12 6.3.6 Frameedges. .12 6.3.7 Splicers in elevated positions. .12 6.3.8 Warning lights ..12 6.4 Preheater .12 6.4.1 In-runningnips .12 6.4.2 In-running nips between preheating cylinder and cross beams. .13 6.4.3 Wrap roller and rotating arms. .13 6.4.4 Hot surfaces. 14 6.4.5 Walkways.. .14 6.5 Single facer 14 6.5.1 In-runningnips 14 6.5.2 Corrugating rollers .15 6.5.3 Hazard points during roller change .15 6.5.4 In-running nip between pressure roller or pressing belt and corrugating roller .15 6.5.5 Pressing belt breakage. 6.5.6 Walkway 16 6.5.7 In-running nips between glue rollers ..16 6.5.8 Hazard points between movable gluing unit and fixed machine parts. .17 6.5.9 Moveable glue units..... 6.5.10 Inclinedbeltconveyor .18 6.5.11 In-running nips between pulleys and fixed machine parts .19 6.5.12 Steam pipes. .19 6.5.13 Warning signs .19 6.5.14 Noise enclosures. 19 6.6 Bridge. .19 6.6.1 Slots. 19 IS0 2023 - All rights reserved iii IS0 12643-4:2023(E) 6.6.2 Fall-off protection. 19 6.6.3 Access stairs 19 6.6.4 Passage height underneath the bridge 20 6.7 Braking and web aligning systems. 20 6.8 Gluing machine. 20 6.8.1 Steps and handles 20 6.8.2 Hazard points.. 20 6.8.3 Pressing device. 20 6.9 Heating and pulling section 20 6.9.1 In-running nips. 20 6.9.2 Hazard points. 21 6.9.3 Heating plates. 21 6.9.4 Preventing the weighting device from falling 21 6.9.5 Web threading in the heating section 21 6.10 Transition point from gluing machine to heating and pulling section 23 6.11 Rotary shear unit. 23 6.11.1 Rotary shear. 23 6.11.2 Knife driving shaft 23 6.11.3 Guarding a non-powered movement of the rotary shear 23 6.11.4Wasteremoval 23 6.12 Pulling unit.. 23 6.13 Slitter-scorer units .24 6.13.1 Automatic positioning. 24 6.13.2 Movement of slitting and scoring units under hold-to-run control 24 6.14 Web diverter. 24 6.15 Cut-off 25 6.16 Stacker devices. 25 6.16.1 Whole-body access. 25 6.16.2 Guarding of downstackers 26 6.16.3 Maintenance and inspection 28 6.16.4 Guarding of upstackers. 29 6.16.5 Roller conveyors 30 7 Folder gluer machines .30 7.1 Entire machine. 30 7.1.1 Emergency stop. 30 7.1.2 Power-driven shafts 30 7.1.3 Power-driven format setting. 30 7.1.4 Reaching of hazard points between format-limitin