ISO INTERNATIONAL STANDARD 17450-4 First edition 2017-12 Geometrical product specifications (GPS) Basic concepts - Part 4: Geometrical characteristics for quantifying GPS deviations Specification géometrique des produits (GPS)-Concepts generaux Partie 4: Caracteristiques geometriques pour la quantification des écarts GPS Reference number ISO 17450-4:2017(E) ISO @ ISO 2017 IS017450-4:2017(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISo's member body in the country of the requester. ISO copyright office Ch.de Blandonnet 8.CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org ii IS02017-Allrights reserved IS017450-4:2017(E) Contents Page Foreword iv Introduction. .V 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions .1 4 Geometrical characteristic. .3 4.1 General. 3 4.2 Types of geometrical characteristic 5 .14 Annex A (informative) Relationship to the GPS matrix model Bibliography .15 @ IS0 2017 - All rights reserved iii