Geometric dimensioning & tolerancing
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This four course series builds the ability to read and interpret GD&T symbols. Understanding the international engineering language of Geometric Dimensioning & Tolerancing is essential for communicating in the global marketplace.

Program 1: Basic Principles
Definition and benefits of GD&T
Basic Terminologies
Maximum and Least material condition
Clearance, interference and transition fits

Program 2: Interpreting GD&T Symbols
Diameter symbol
Coordinate vs. position system tolerance zones
Effect of material condition on size of geometric tolerance

Program 3: Form and Orientation Tolerances
Flatness, straightness, circulatory, and cylindricity
Orientation tolerances; perpendicularity, angularity, and parallelism
Application of maximum material condition principle and inspection procedures

Program 4: Profile, Runout & Location Tolerances
Profile tolerances
Runout tolerances; position concentricity, and symmetry