OverviewOverviewDefinition and BackgroundDefinition and BackgroundFeatures and DatumsFeatures and DatumsDatum Reference FrameDatum Reference FrameHow the GD&T System WorksHow the GD&T System WorksMaterial Conditions ModifiersMaterial Conditions ModifiersBonus ToleranceBonus ToleranceFeature Control FrameFeature Control FrameMajor Categories of TolerancesMajor Categories of Tolerances14 Tolerance Measurements14 Tolerance MeasurementsGeneral Rules of GD&TGeneral Rules of GD&T+ /- Tolerancing vs. Geometric Tolerancing+ /- Tolerancing vs. Geometric Tolerancing

The GD&T ProcessThe GD&T Process

What is GD&T ?What is GD&T ?– Geometric Dimensioning and TolerancingGeometric Dimensioning and Tolerancing

- - Uses standard, international symbols to describe parts in Uses standard, international symbols to describe parts in a language that is clearly understood by anya language that is clearly understood by any manufacturer. manufacturer.

This simple drawing shows many of the symbols that define the characteristics of a workpiece and eliminates the need for traditional handwritten notes.