### Geometric Dimensioning & Tolerancing GD&T Two Day Training Syllabus

INTERPRETATION - APPLICATION

(2 Day Program)

Day 1

8:30 Introduction:

• Course objective, outline, course material distribution and questions

9:00 Why Geometric dimensioning tolerancing?

• How the geometric system works.

10:00

• Terms and definitions,
• Common symbols & Terminology
• Fundamental Rules (Drawing)

10:30 - 10:45 Break

10:45

• Feature definition
• With Size and Without Size,
• Material Condition (Maximum, Least,
• Regard of Material Condition),
• Limit Tolerancing, Dimension Origin

12:00 Break For Lunch

1:00

• Limits of Size,
• Rule 1 or Envelope Principle,
• Go- No Go Gauges

1:45 In-class group exercises and questions

2:30 - 2:45 Break

2:45 Datum Reference Frame - Theory & Interpretation, Datum Elements, View Oriented Datum's

4:15 Review and Questions, Suggested reading assignment

4:30 Break for Day

4:45 - 5:30 Instructor available for questions and open discussion

Day 2

8:30 Day 1 review and questions

9:15 Form Tolerances

• Flatness, Verification, Surface Roughness
• Straightness, Line Elements Applied to a Flat Surface
• Circularity, Average Diameter
• Cylindricity,

10:30 - 10:45 Break

• 10:45 Orientation Tolerances
• Perpendicularly, Surface, One Datum Feature
• Parallelism, Surface, One Datum Feature
• Angularity, Surface, One, Datum Feature

11:20 Group Exercises and review

12:00 Lunch

1:00 Profile Tolerances

• Bilateral
• Bilateral - Unequal
• Unilateral

1:30 Position Tolerances Overview

• Cylindrical Tolerance Zone
• Rectangular Tolerance Zone
• Composite - One Datum Feature

2:30 - 2:45 Break

2:45 Runout Tolerance
Circular Runout
Total Runout

3:15 Review & Group Exercises

4:15 Completion Certificates Distribution

4:30 Break Class

4:45 - 5:30 Instructor available for questions and open discussion

White Papers and GD&T Resources