ISO 16792:2021

INTERNATIONAL ISO
STANDARD 16792
Third edition
2021-04
Technical product documentation —
Digital product definition data
practices
Documentation technique de produits — Pratiques pour les données
numériques de la définition d’un produit
Reference number
©
ISO 2021
© ISO 2021
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ii © ISO 2021 – All rights reserved

Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
3.1 General terms and definitions . 2
3.2 Classification codes for drawings and data sets (see Annex B) . 2
4 Data set identification and control . 3
4.1 General . 3
4.2 Related data . 4
4.3 Data management . 4
5 Data set requirements . 5
5.1 General . 5
5.1.1 Introduction . 5
5.1.2 Fundamental requirements . 5
5.1.3 Design model requirement (classification codes 3, 4 and 5). 7
5.2 General model requirements . 8
5.2.1 Associativity . 8
5.2.2 Model coordinate systems . 8
5.2.3 Applications of supplemental geometry . 9
5.2.4 Part features not fully modelled . 9
5.3 General method requirements . 9
5.3.1 Data set methods . 9
5.3.2 Model-only method . 9
5.3.3 Model and drawing method .10
5.4 Management data .10
5.4.1 General.10
5.4.2 Management data in the data set .10
5.4.3 Management data on a model .11
5.5 Protection marking .11
5.5.1 General.11
5.5.2 Location on models.11
5.6 Saved views on models .11
5.6.1 General.11
5.6.2 Sections .12
6 Design model requirements .14
6.1 General .14
6.2 Geometric scale, units and precision .14
6.3 Model completeness .15
6.4 Assembly model completeness .15
6.5 Part reference numbers .16
6.6 Identification method .16
6.6.1 General.16
6.6.2 Colour .17
6.6.3 Greyscale .17
6.6.4 Mapping .17
6.6.5 Transparency .17
6.7 Installation model completeness .17
7 Common requirements for product definition data .18
7.1 General .18
7.2 Common requirements .18
7.3 Model requirements .21
7.3.1 General.21
7.3.2 Associativity .22
7.3.3 Attributes .24
7.3.4 Annotation planes .25
7.3.5 Leader lines .26
7.3.6 Direction-dependent specifications .27
7.3.7 Indicating of restricted area .27
7.3.8 Query types.28
7.4 Drawing requirements .33
7.4.1 General.33
7.4.2 Orthographic views .36
7.4.3 Axonometric views .36
8 Notes and special notations .38
8.1 Common requirements .38
8.2 Model requirements .38
8.3 Drawing requirements .39
9 Model values and dimensions .39
9.1 General .39
9.2 Common requirements .39
9.2.1 Model value queries .39
9.2.2 Resolved dimensions . .39
9.3 Model requireme
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