ISO INTERNATIONAL STANDARD 8370-2 First edition 1993-10-15 Belt drives Dynamic test to determine pitch zone location --- Part 2: V-ribbed belts Transmissions par courroies - Méthode d'essai dynamique de détermination de I'emplacement de la zone primitive d'une courroie Partie 2:Courroies striées ISO Reference number ISO 8370-2:1993(E) ernational Organization for Standardization ewithIso Not for Resale ISO 8370-2:1993(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations. governmental collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. ISO/TC 41, Pulleys and belts (including veebelts), Sub-Committee SC 1, Veebelts and grooved pulleys. This first edition of ISO 8370-2, together with ISO 8370-1. cancels and replaces ISO 8370:1987, which has been technically revised. Iso 8370 consists of the following parts, under the general title Belt drives Dynamic test to determine pitch zone location: — Part 1: V-belts - Part 2: V-ribbed belts ISO 1993 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means. electronic or mechanical, including photocopying and microfilm, without per- mission in writing from the publisher. International OrganizationforStandardization Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland ii No reproduction or networking permitted without license from IHS Not for Resale ISO 8370-2:1993(E) Introduction grooves. When a specific belt is placed in the pulley, it will operate with a pitch zone forpowertransmissiondesigncalculations. ili e with ISC No reproduction or networking pemited without license from IHs Not or Resale