ISO 129-1:2018
Current
The latest, up-to-date edition.
Technical product documentation (TPD) — Presentation of dimensions and tolerances — Part 1: General principles
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23-02-2018
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ISO 129-1:2018 establishes the general principles for presentation of dimensions and associated tolerances that apply to 2D technical drawings in all disciplines and trades but which can also be applied to 3D applications.
ISO 129-1:2018 does not cover the application of dimensional tolerances and their meaning. See ISO 14405‑1 for tolerancing principles. This document can only be used to describe the nominal model of a drawing, not the non-ideal surface model (skin model) used for tolerancing purposes (for more information on tolerancing specifications, see the list of GPS standards listed as normative reference or as bibliography)
Considering the ISO 14405 series, the presentation of tolerance indication is unambiguous when it is applied to a dimension which is a size and ambiguous when the dimension is not a size.
All rules presented in this document are available for any type of drawing (see ISO 29845).
In addition, this document introduces the concept of property indicators, developed length, between, surface indicators, flag notes and textual instructions.
NOTE 1 All figures are shown in 2D views only.
NOTE 2 Additional information and details for construction engineering are given in ISO 6284.
| Committee |
ISO/TC 10
|
| DevelopmentNote |
Supersedes ISO 129 (11/2004) Supersedes ISO 406. (04/2010) Supersedes ISO/DIS 129-1. (02/2018) NEW CHILD AMD 1 2020 IS ADDED
|
| DocumentType |
Standard
|
| Pages |
68
|
| ProductNote |
NEW CHILD AMD 1 2020 IS ADDED
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| IS 18257 : Part 1 : 2023 | Identical |
| SS-EN ISO 129-1:2019 | Identical |
| DIN EN ISO 129-1:2020-02 | Identical |
| BS ISO 129-1:2018 | Identical |
| NEN ISO 129-1 : 2018 | Identical |
| I.S. EN ISO 129-1:2019 | Identical |
| UNI EN ISO 129-1:2019 | Identical |
| EN ISO 129-1:2019 | Identical |
| SS ISO 129-1 : 2018 | Identical |
| NF ISO 129-1 : 2018 | Identical |
| BS EN ISO 129-1:2019 | Identical |
| UNI ISO 129-1:2019 | Identical |
| DIN ISO 129-1:2018-08 (Draft) | Identical |
| NS-EN ISO 129-1:2019 | Identical |
| ÖNORM EN ISO 129-1: 2020 02 15 | Identical |
| PN-EN ISO 129-1:2020-03 | Identical |
| UNE-EN ISO 129-1:2019 | Identical |
| UNI EN ISO 129-1:2021 | Identical |
| ISO 128-24:2014 | Technical drawings General principles of presentation Part 24: Lines on mechanical engineering drawings |
| ISO 6284:1996 | Construction drawings — Indication of limit deviations |
| ISO 128-34:2001 | Technical drawings General principles of presentation Part 34: Views on mechanical engineering drawings |
| ISO 128-50:2001 | Technical drawings General principles of presentation Part 50: Basic conventions for representing areas on cuts and sections |
| ISO 6428:1982 | Technical drawings — Requirements for microcopying |
| ISO 1101:2017 | Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out |
| ISO/TS 8062-2:2013 | Geometrical product specifications (GPS) — Dimensional and geometrical tolerances for moulded parts — Part 2: Rules |
| ISO 3040:2016 | Geometrical product specifications (GPS) Dimensioning and tolerancing Cones |
| ISO 81714-1:2010 | Design of graphical symbols for use in the technical documentation of products Part 1: Basic rules |
| ISO 2538-1:2014 | Geometrical product specifications (GPS) — Wedges — Part 1: Series of angles and slopes |
| ISO 29845:2011 | Technical product documentation Document types |
| ISO 128-30:2001 | Technical drawings General principles of presentation Part 30: Basic conventions for views |
| ISO 286-1:2010 | Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of tolerances, deviations and fits |
| ISO 128-22:1999 | Technical drawings General principles of presentation Part 22: Basic conventions and applications for leader lines and reference lines |
| ISO 2538-2:2014 | Geometrical product specifications (GPS) — Wedges — Part 2: Dimensioning and tolerancing |
| ISO 10209:2012 | Technical product documentation — Vocabulary — Terms relating to technical drawings, product definition and related documentation |
| ISO 128-20:1996 | Technical drawings General principles of presentation Part 20: Basic conventions for lines |
| ISO 15786:2008 | Technical drawings — Simplified representation and dimensioning of holes |
| ISO 13715:2017 | Technical product documentation — Edges of undefined shape — Indication and dimensioning |
| ISO 16792:2015 | Technical product documentation Digital product definition data practices |
| ISO 6410-1:1993 | Technical drawings — Screw threads and threaded parts — Part 1: General conventions |
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