GD&T

Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering tolerances. It uses a symbolic language on engineering drawings and computer-generated three-dimensional solid models that explicitly describes nominal geometry and its allowable variation.

Tolerancing specifications define the allowable variation for the form and possibly the size of individual features, and the allowable variation in orientation and location between features.

SYLLABUS

 Introduction to GD&T

 Dimensioning &Tolerancing

 Datums, GD&T Symbols

 GD&T Concepts and rules

 Dimensioning standards

 Design indent of GD&T

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