CAD151

General tolerancingtolerance, limits, specified dimension, maximum material condition, least material condition, extreme form variation, clearance fit, allowance, interference fit.

Symbols and termsgeometric characteristic symbols, material condition symbols, datum feature symbol, feature control frame, basic dimension symbol, dimensioning symbols.

Geometric characteristicsstraightness, flatness, circularity, cylindricity, profile, parallelism, perpendicularity, angularity, runout, combination of geometric characteristics.

Positional tolerancingconventional tolerancing vs. positional tolerancing, floating fasteners, fixed fasteners, location of multiple features, positional tolerance at MMC, zero positional tolerance, virtual condition, projected tolerance zone, composite positional tolerance, two single-segment feature control frame, concentricity, symmetry.