ISO INTERNATIONAL STANDARD 14638 Firstedition 2015-01-15 Geometrical product specifications (GPS) 一 Matrix model Spécification géométrique des produits (GPS) - Modele de matrice Reference number ISO 14638:2015(E) SO International Organization for Standardization Zhejiang Institute of Sta andardization 5956617 IS02015 vided by IHS under itted without license from IHS IS0 14638:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2015 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. ISOcopyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Prganizationfor Standardization Not for Resale, 2015/3/11 01:30:26 networking permitted without license from IHS IS0 14638:2015(E) Contents Page Foreword ..iv Introduction. ...vi 1 Scope.... 2 Concept. 3 Structure .2 3.1 General 2 3.2 Types of ISO GPS standards 2 3.2.1 Fundamental ISO GPS standards 22 3.2.2 General ISO GPS standards. 3.2.3 Complementary ISO GPS standards 2 3.3 The ISO GPS matrix 2 3.3.1 Geometrical characteristic categories 2 3.3.2 Complementary categories. 3 3.3.3 Chain of standards. 3 3.3.4 Chain links 3 3.4 Geometrical property categories .3 4 Datums .3 5 Chain links .3 5.1 General .3 5.2 Chain Link A: Symbols and indications. 3 5.3 Chain Link B: Feature requirements 4 5.4 Chain Link C: Feature properties. ..4 5.5 Chain Link D: Conformance and non-conformance 4 5.6 Chain Link E: Measurement. .4 5.7 Chain Link F: Measurement equipment 4 5.8 Chain Link G: Calibration .4 6 Preparation of ISO GPS standards .5 6.1 Guidance. .5 6.2 Additional text. .5 6.2.1 General .5 6.2.2 Fundamental standard .5 6.2.3 General standard .5 6.2.4 Complementary standard ..5 Annex A (informative) Example of an informative annex for ISo GPS standards .7 Annex B (informative) Examples of different ways in which the GPS matrix can be used to identify specific standards or groups of standards relating to a specific geometrical characteristic,oraspecificchainlink. 8 Annex C (informative) Representation of the ISO GPS standard for datums in the ISO GPS matrix12 Annex D (informative) The former ISo GPS Matrix model .13 Annex E (informative) Relationship to the ISO GPS matrix model ..14 Bibliography. ..15 iii ee=Zhejiang Institute of Standardization 5956617 vided by IHS underI ed without license from IHS Not for Resale, 2015/3/11 01:30:26