ISO INTERNATIONAL 8688-2 STANDARD First edition 1989-05-01 Tool life testing in milling Part 2 : End milling Essai de duree de vie des outils de fraisage - Partie 2 : Fraisage combine Reference number ISO 8688-2 : 1989 (E) Copyright International Organization for Standardization Not for Resale ISO 8688-2 : 1989 (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, govern- mental and non-governmental, in liaison with ISo, also take part in the work. iSO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IsO Council. They are approved in accordance with ISO procedures requiring at International Standard ISO 8668-2 was prepared by Technical Committee ISO/TC 29, Small too/s. Users should note that all International Standards undergo revision from time to time and that any reference made herein to any other International Standard implies its latest edition, unless otherwise stated. ISO 1989 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanicai, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 . CH-1211 Geneve 20 · Switzerland Printed in Switzerland CopyrightlInternational Oorganization for Standardization Nreroductionrnetworkng pemitedwithutliceefomH Not for Resale ISO 8688-2 : 1989 (E) Contents Page oIntroduction Scope and field of application 1 References 3 2 3Workpiece 3 3.1 Work material, 3 3.2 Dimensions. Tool : Cutter 4.1 Dimensions and tolerances . 4.2 Tool geometry 4.3 Tool conditions 5 4.4 Tool material 5 Mounting of the tool 4.5 5 5 Cutting fluid 6 Cutting conditions Recommended cutting conditions 6.1 6.2 Other cutting conditions Cutting speed 6.3 Tool deterioration and tool-ife criteria . 7.1 Introduction 7.2 Definitions 8 7.3 Tool deterioration phenomena 9 7.4 Tool deterioration phenomena used as tool-life criteria 14 7.5 Assessment of tool deterioration 4 ili No reproduction or networking permitted without license from IHS Not for Resale