ISO INTERNATIONAL STANDARD 8526-1 First edition 1990-08-15 Modular units for machine tools - Workhoiding pallets Part 1: Workholding pallets up to 800 mm nominal size Elements standards pour machines-outils - Palettes - Partie 1: Palettes porte-piece de dimension nominale jusqu'a 800 mm Reference number ISO 8526-1 : 1990 (E) Copyright Intermational Organization for Standardization rovided by IHS cense with Is rmitted without license from IHS Not for Resale ISO 8526-1 : 1990 (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 Electrotechnicai Commission (IEC) on all mattersofelectrotechnicalstandardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internationat Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 8526-1 was prepared by Technical Committee ISO/TC 39, Machinetools. machine tools - Workholding pallets: Part 1: Workholding pallets up to 800 mm nominal size Part 2: Workholding pallets of nominal size greater than 800 mm Annex A forms an integral part of this part of ISO 8526. Annex B is for information only. ISO 1990 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 permission in writing from the publisher. InternationalOrganizationforStandardization Casepostale56·CH-1211Geneve20·Switzerland Printed in Switzerland n for Standardizatior Not for Resale ISO 8526-1 : 1990 (E) Introduction This part of Iso 8526 has been drawn up to facilitate interchangeability of workholding pallets, including those from different manufacturers. It deals with square pallets and rectangular pallets of length-to-width ratio of 1,25 and of nominal size up to 800 mm. If pallets with tighter tolerances than specified in this part of Iso 8526 are required, they shall be subject to agreement between the manufacturer and user. This part of Iso 8526 does not specify the positioning accuracy of the pallets. CopyrightintenationalOrganizationfor Standardization i NreroductionneworkingemitedwithouliceefrmH Not for Resale