ISO INTERNATIONAL STANDARD 666 Fourth edition 2012-05-15 Machine tools Mounting of grinding wheels by means of hub flanges Machines-outils-Montagedesmeulesparmoyeux-flasques Reference number ISO666:2012(E) LSO @ISO2012 HS unde No reproduction or networking permitted without license from IHS Not for Resale ISO666:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, 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 permission in writing from either IsO at the address below or IsO's memberbody in the country of therequester. ISO copyright office Case postale 56·CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved No reproduction or networking permited without license from IHS Not for Resale ISO666:2012(E) Contents Page Foreword ..iv 1 Scope 2 Normativereferences : Terms and definitions. 2 4 Requirements 2 4.1 General 4.2 Dimensions 2 4.3 Flangesocket 5 4.4 Material. 4.5 Marking.. 5 Designation. 9 6 Scope of delivery.. 9 Annex A (informative) Calculation of clamping force and tightening torque for the mounting of abrasive ili ut license from IHS Not for Resale