GD&T True Position

GD&T True Position

Position can be useful geometric tolerance in designing sports equipment. For example, properly locating the bolt clearance holes for a new snowboard binding base plate can assure correct assembly on the device and the interchangeability of different brands. Students will

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GD&T Runout

GD&T Runout

Controlling runout is crucial to assure the function of rotating parts. For example, unless a proper runout is specified for a brake rotor, the rotating part may interfere with the other brake components (discs, pads, etc.), causing dangerous vibration during

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GD&T DVD Flatness

GD&T DVD Flatness

Designing toys like Lego blocks require using very tight tolerances. Concepts such as the maximum material condition (MMC) and perpendicularity are crucial in assuring that the many types of Lego blocks will fit together. Sample Parts: Download 2-perpendicularity.zip

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Build, Draw, Build

Build, Draw, Build

In this lesson wood, foam board, or cardboard is used to improve high school student’s visualization skills, understanding of the manufacturing processes, measurement, and safety. The student builds an abstract object from their drafting book. The builder then takes the

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