Each update to existing rules is made rationally, after collecting feedback from industry members and evaluating the exact pathways to further refinement. Rather than being marked by radical changes, GD&T has experienced stable growth. A primitive concept in the 1940s, GD&T is now an internationally acclaimed system that has become the industry standard for mechanical part production.
The rise of Geometric Dimensioning & Tolerancing has been incredibly phenomenal.
ASME recently released the much-awaited Y14.5 2018 GD&T Standard! Find out what has changed from the 2009 edition and what’s you need to know…