FINAL INTERNATIONAL ISO/FDIS DRAFT STANDARD 9980 ISO/TC41/SC1 Belt drives-Grooved pulleys for V-belts Secretariat:AFNOR (system based on effective width) - Voting begins on: Geometrical inspection of grooves 2012-08-07 Voting terminates on: Transmissions par courroies -Poulies a gorges pour courroies 2012-10-07 trapézoidales (systeme basé sur la largeur effective)-Controle géometrique des gorges SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH TING DOCUMENTATION Reference number BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO- LOGICAL, COMMERCIAL AND USER PURPOSES ISO/FDIS 9980:2012(E) DRAFT INTERNATIONAL STANDARDS MAY ON ISO OCCASION HAVE TO BE CONSIDERED IN THE DARDS TO WHICH REFERENCE MAY BE MADE IN @ ISO 2012 py IHS under cense from IHS Not for Resale ISO/FDIS9980:2012(E) Copyright notice under the applicable laws of the user's country, neither this IsO draft nor any extract from it may be reproduced, or otherwise, without prior written permission being secured. Requests for permission to reproduce should be addressed to either IsO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Reproduction may be subject to royalty payments or a licensing agreement. Violators may be prosecuted. ISO 2012-All rights reserved rmitted without license from IHS Not for Resale ISO/FDIS 9980:2012(E) Contents Page Foreword ..iv Introduction 1 Scope. 2 Principle 3 Groove profile. 3.1 Specifications. 3.2 Inspection 2 4 Groove spacing .5 4.1 Specifications. 5 4.2 Inspection 6 5 Effective diameter 5.1 Specifications. 5.2 Inspection 6 Run-out tolerances .8 6.1 Specifications. 8 6.2 Inspection 8 Bibliography 9 ili se with IS ut license from IHS Not for Resale