TECHNICAL ISO/TS SPECIFICATION 8000-311 First edition 2012-04-15 Data quality - Part 311: Guidance for the application of product data quality for shape (PDQ-S) Qualité des données - Partie 311: Directives pour I'application de la qualité des données de produitpourles formes (PDQ-S) Reference number ISO/TS 8000-311:2012(E) @ ISO 2012 py IHS under lic ted without license from IHS Not for Resale ISO/TS 8000-311:2012(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 the requester. ISO copyright office 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 @ ISO 2012 - All rights reserved py IHS unde itted without license from IHS Not for Resale ISO/TS 8000-311:2012(E) Contents page 1. Scope ... 2. Normative references ... 3. Terms, definitions and abbreviated terms ... 3.1 Terms and definitions 3.1.1 application ... 3.1.2 application protocol... 3.1.3 application reference model .. 3.1.4 data exchange.. 3.1.5 product. 3.1.6 product data.. 3.7 accuracy.... 3.1.8 inspection result.. 3.1.9 measurement requirement .. 3.1.10 product data quality .. 3.1.11 product shape data... 3.1.12 quality criterion .. 3.1.13 threshold. 3.1.14 inspection 3.1.15 quality. 3.1.16 quality requirement . 3.2 Abbreviated terms. 4. Overview of PDQ-S .. 4.1 Purpose, approach and expected usage scenarios . .6 4.2 Structure of ISO 10303-59. 4.3 PDQ-S schema structure 4.4 Target shape model... 4.5 Relationship between ISO 10303-59 and other International Standards dealing with nominal representation of product data ... ....8 4.6 Major characteristics of PDQ-S .... 4.6.1 Quality criteria of three dimensional shape data .... 4.6.2 Enabler of better association between PDQ checking systems and healing systems ... 10 4.6.3 Standardization of the external specifications of quality checking algorithms. 11 4.6.4 Optimization of data quality check environment by the user 11 4.6.5 Extensibility to non-shape product data quality problems . 12 5. Considerations for facilitating the use of PDQ-S .. 5.1 General... 5.2 Relationship between product data quality problems and quality criteria... 13 5.2.1 Types of product data quality problem.. 13 5.2.2 B-rep is not appropriate (erroneous_data).. 13 5.2.3 Accuracy of B-rep is not satisfactory.. 13 5.2.4 Shape manipulation process by CAX systems fails . 5.3 Examples of selecting data quality criteria for practical engineering purposes... 5.3.1 Overview of the example scenarios... .17 5.3.2 A scenario of product data exchange during digital assembly 17 5.3.3 A scenario of product data exchange during collaborative product development by an @ ISO 2012 - All rights reserved ii Copyright International Organization for Standardization Not for Resale