prEN ISO 5459

Geometrical product specifications (GPS) - Geometrical tolerancing - Datums and datum systems (ISO/DIS 5459:2024) prEN ISO 5459

General information

Current stage: 40.20 DIS ballot initiated: 12 weeks Apr 4, 2024

Originator: CEN

Owner: CEN/TC 290 Dimensional and geometrical product specification and verification

Type: European Norm

Scope

ISO 5459:2011 specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. It also provides explanations to assist the user in understanding the concepts involved.
ISO 5459:2011 defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of ISO 5459:2011.
The detailed rules for maximum and least material requirements for datums are given in ISO 2692.

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 5459:2011

NOW

IN_DEVELOPMENT
prEN ISO 5459
40.20 DIS ballot initiated: 12 weeks
Apr 4, 2024