Interpretation of fits, limits and tolerances. Introduction to modern tolerancing. Interpretation of drawings and dimensions. Co-ordinate tolerancing. Inch fits. Metric fits. Simple form and orientation tolerances. Geometric tolerancing. Straightness of a feature of size. Flatness. Datums and the three plane concept. Datum targets. Orientation tolerancing of flat surfaces. Datum features subject to size variations. Orientation tolerancing for features of size. Basic gauging principles. Tolerancing for location of features. Location of single holes. Positional tolerancing. Selection of datum features for positional tolerancing. Bidirectional positional tolerancing. Positional tolerancing for noncylindrical features. Positional tolerancing for symmetrical features. Positional tolerancing for multiple pattern features. Composite positional tolerancing. Formulas for positional tolerancing. Projected tolerance zone. Circularity, cylindricity, profile and runout tolerances. Circularity, (roundness) tolerance. Cylindricity tolerances. Profile of a line tolerance. Profile of a surface tolerance. Coplanarity, concentricity, and coaxiality tolerancing. Runout tolerances. Summary of rules for geometric tolerancing.
