CAD 130 - Geometric Dimensioning and Tolerance

Credits: 3
Lecture Contact Hours: 2
Lab Contact Hours: 1
Description: The student will learn to interpret blueprints with emphasis placed on Geometric Dimensioning and Tolerance. This course will introduce national and international geometric standards of form, profile, orientation, runout and location tolerances used in the manufacturing processes. Curriculum includes emphasis on print reading and measurements. This course can be used to prepare for the ASME GD&T Certification exam.

Prerequisites: CAD 120. MATH 102 or MATH 113.
Corequisites: None.
Recommended: None.

Course Category: Occupational
This Course is Typically Offered: Winter, Spring, Fall
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Students who already have this knowledge may qualify for prior learning credit. https://www.schoolcraft.edu/student-records/prior-learning-credits

Course Competencies

Interpret blueprints, including common drafting symbols.
Explore the scope of Geometric Dimensioning and Tolerancing (GD&T).
Perform mathematical operations with the use of a calculator.
Explain placement of Datums for manufacture and inspection.
Characterize Form Tolerances (Straightness, Flatness, Circularity, Cylindricity).
Characterize Orientation Tolerances (Parallelism, Perpendicularity, Angularity).
Investigate Positional Tolerances.
Characterize Profile Tolerance (Profile of a Line, Profile of a Surface).
Characterize Runout Tolerance (Circular Runout, Total Runout).
Mark-up drawings to include requested GD&T.
Calculate when a hole/shaft is out of positional tolerance.
Calculate the effects of Max Material Condition, Least Material Condition, Max Material Boundary and Least Material Boundary.
Identify placement of Feature Control Frame.
Explain Location Tolerance understanding (Alternate Practices).
Characterize Concentricity and Symmetry Tolerances according to ASME Y14.5-2009.