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Course Outline no. 135-5
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Geometric Dimensioning
and Tolerancing (GD&T)

Practical Interpretation and Measurement

Course No. 135

( Course Outline shown below.)

For Whom Intended  Individuals performing inspection, design, manufacturing and assembly. Understanding geometric dimensioning and tolerancing is essential for anyone reading blue prints

Brief Course Description  Course 135 has two parts, which are also available as two separate courses: Course 135A: Beginning GD&T, and Course 135B: Intermediate GD&T. Part One commences by introducing GD&T, the concepts of size control and material tolerances. After defining the terminology to be used, geometric characteristics and symbols, the course proceeds to demonstrate how the geometric system works. Practical applications are included, also blue-print reading and interpretation.

The course next covers application of position tolerance measurement and limits of size methods. Part One concludes with a section on form tolerances for configurations such as flatness, straightness and roundness.

In Part Two, datum reference methods are covered in detail. Orientation tolerances are also covered, for perpendicular, parallel and profile views of various items.

The topic of profile and position tolerances is covered in some depth as are co-axial, symmetrical and concentric applications.

Students will participate in practical exercises to demonstrate their understanding of the material covered.

Participants successfully completing this course will be able to understand, evaluate and use geometric dimensioning techniques. They will be able to read and fully understand blueprint drawings of mechanical devices.

Certificate Programs  This course may be used as an elective for TTi's Metrology Specialist Certificate (MSC) Program, or for any other TTi specialist certificate program.

Prerequisites  There are no definite prerequisites for this course. However, this course is aimed toward individuals involved in a related technical field.

Text  Each student will receive a copy of Geometric Dimensioning and Tolerancing Workbook by Al Neumann, which is considered the definitive reference work in the GD&T industry.

Course Hours, Certificate and CEUs  Open courses meet seven hours per day. Upcoming presentation dates can be found on our current open course schedule. Class hours/days for on-site courses can vary from 14-35 hours over 2-5 days as requested by our clients. Upon successful course completion, each participant receives a certificate of completion and one Continuing Education Unit (CEU) for every ten class hours.


Course Outline No. 135

Part I  (Course 135A, Beginning GD&T)

Part II  (Course 135B, Intermediate GD&T)

Printable (.pdf) version of course outline no. 135-5 ( Adobe Acrobat Reader required).

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