MT 267 - Dimensioning and Tolerancing

• Know the fundamentals of GD&T symbols
• Understand the use of GD&T symbols to convey fit form and function requirements
• Demonstrate understanding on the use of GD&T in engineering drawings
• Understand methods used to check for part compliance to GD&T symbols

• Algebra
• Trigonometry

• Orientation Tolerances, Perpendicularity, Angularity, Parallelism, Profile, Runout, Maximum material condition principle, Inspection procedures
• Form Tolerances, Flatness, Straightness, Circularity, Cylindricity
• Runout Tolerances, Circular runout, Total runout, Methods to check runout tolerances
• Profile Tolerances, Profile of a line, Profile of a surface, Methods to check profile tolerances
• Location Tolerances, Position, Concentricity, Symmetry, Maximum material condition, Methods to check location tolerances
• Datum Reference Frames, Implied Three plane concept, Datums based on feature size, Datum targets
• Introduction to Functional Gage Design
• Introduction to the use of an Optical Comparator and Coordinate Measuring Machine (CMM)

• Introduction to the types and uses of the equipment and instrumentation.
• Measuring various diameters and lengths of samples using gage block sets, vernier height gages, vernier calipers, dial calipers, English and Metric outside vernier micrometers, depth micrometers.
• Students measure the straightness, flatness, parallelism, angularity, and perpendicularity of rectangle shapes.
• Students measure the straightness, circularity, circular and total runout of round shapes.
• Instructor demonstrates the operation of a optical comparator and a coordinate measuring machine.