Geometric Dimensioning and Tolerancing
- Engineering & Applied Technologies -
Aerospace & Automotive Dictionary
Definition
An aerospace and automotive concept defining a technical component, process, or performance measure used in vehicle design, production, or operation. It applies when relevant engineering prerequisites are satisfied and produces defined effects on safety, efficiency, reliability, or manufacturability.
Geometric Dimensioning and Tolerancing
Engineering & Applied Technologies Dictionary
Definition
A standardized symbolic language and rule set (standards such as ASME Y14.5 / ISO equivalents) for specifying allowable geometric variation of part features — including form, orientation, location, and runout — using feature control frames, datums, tolerances and modifiers so that functional relationships between mating parts and manufacturing/inspection requirements are unambiguously communicated