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Geometric Dimensioning &Tolerancing Review

Geometric Dimensioning &Tolerancing Review. March 10, 2008. Trial Test (page 1). Explain “bonus tolerance” and give an example to show how to determine bonus tolerance. Define: Datum, Datum feature, Simulated datum

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Geometric Dimensioning &Tolerancing Review

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  1. Geometric Dimensioning &TolerancingReview March 10, 2008

  2. Trial Test (page 1) • Explain “bonus tolerance” and give an example to show how to determine bonus tolerance. • Define: Datum, Datum feature, Simulated datum • Resultant condition (give and explain an example using maximum material condition for a pin) • Define each of the following, give a working definition, and give an example of a proper feature control frame for each: Flatness, Cylindricity, Total Runout, Angularity, Perpendicularity

  3. Trial test (page 2) • What is the significance of the primary datum • to the designer? • to manufacturing? • to inspection? • to assembly? • What is the floating fastener tolerance equation? Explain and make a drawing that proves your equation. • What is the fixed fastener tolerance equation? Explain and make a drawing that proves your equation.

  4. Interpret the following prints. Explain any errors or suggest improvements if necessary.

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