ISO INTERNATIONAL STANDARD 15236-3 Second edition 2017-03 Steel cord conveyor belts Part 3: Special safety requirements for belts for use in underground installations Courroies transporteuses a cables d'acier - Partie 3: Exigences de sécurite particulieres aux courroies utilisées dans des installations souterraines Reference number ISO 15236-3:2017(E) International Organization for Standardization @ IS0 2017 ZHEJIANG INSTOFSTANDARDIZATION C15956617 vided by IHS under ted without license from IHS IS0 15236-3:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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 the requester. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Intenationaibr PrganizationforStandardization icensee-ZHEJIANG INST OF STANDARDIZRoISQ s1.7 - All rights reserved etworking permitted without license from IHS IS0 15236-3:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Symbols and units 5 Belt design. .3 5.1 Standard type .3 5.2 Conveyor belting having transversereinforcements .3 5.3 Belt core.. .3 6 Design and construction. .4 6.1 Belt strengths 6.2 Belt width. .5 6.3 Belt edge and supporting belt width .5 6.3.1 Edge width .5 6.3.2 Supporting belt width .5 6.4 Number of cords .5 6.5 Cord pitch .5 6.6 Thickness of covers. .6 6.7 Belt thickness .6 6.8 Belt length. 7 Mechanical requirements .6 7.1 Breaking strength of the steel cord .6 7.2 Position of the steel cord in the conveyor belt 7.2.1 General .7 7.2.2 Horizontal position 7.2.3 Vertical position. 7 7.3 Number and spacing of cord joints .7 7.4 Cordpull-outforce. .7 7.5 Covers Quality classification .8 7.6 Adhesion. .8 7.7 Transverse reinforcements 8 7.7.1 Breaker. ..8 7.7.2 Weft .9 7.8 Troughability 7.9 Tracking .10 7.10 Safety requirements 10 8 Sampling. .10 9 Designation ..10 10 Ordering data ..11 11 Marking ..11 Annex A (informative) Helpful information to be supplied by the purchaser ..12 Bibliography ..14 iii See=ZHEJIANG INSTOFSTANDARDIZATIONC15956617 d without license from IHS Not for Resale, 2017/5/11 01:36:19