ISO INTERNATIONAL STANDARD 17450-3 First edition 2016-06-01 Geometrical product specifications (GPS) General concepts - Part 3: Toleranced features Spécification géométrique des produits (GPS) - Concepts généraux - Partie 3: Eléments tolérancés Reference number IS0 17450-3:2016(E) ISO International Organization for Standardization e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 No reproduction or networking permitted without license from IHS IS0 17450-3:2016(E) COPYRIGHT PROTECTED DOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 +4122 749 0111 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinir DrganizationforStandardization Licensee-ZHEJIANG INST.OF STANDARDIZoISQ6 -All rights reserved Not for Resale, 2016/7/20 07:48:47 No reproduction or networking permited without license from IHS IS0 17450-3:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. 2 Normative references 3 Terms and definitions 4 General. ..2 5 Default rules for establishing geometrical features .5 5.1 General. .5 5.2 Integral feature .6 5.2.1 General .6 5.2.2 Extracted integral line .6 5.2.3 Extracted integral point .6 5.2.4 Opposing point pair.. .6 5.3 Median feature 9 5.3.1 General. ..9 5.3.2 Median point ..12 5.3.3 Median line .. 15 5.3.4 Median surface .16 Annex A (informative) Relation in the GPS matrix model ..18 Bibliography ..19 ii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under I se with ISt d without license from IHS Not for Resale, 2016/7/20 07:48:47