Course structure
Session 1
- Why Use GD&T?
- Review of traditional dimensioning
- Benefits of GD&T
- Technical standards
- Definitions
- Basic dimensions
- How to read the feature control frame
- Rule #1: Size controls form
Session 2
- Rules and the Form Symbols
- Rule #2: Assume RFS
- Flatness
- Surface straightness
- Circularity
- Cylindricity
- GD&T applied to a feature of size
- MMC modifier and “bonus tolerance”
- Virtual condition
Session 3
- Datums
- Datum vs. datum feature
- Proper ways to label the datum feature
- The datum reference frame
- Primary, secondary, and tertiary datums
- Datums modified with “M” (MMB)
- Datum targets
Session 4
- Position Tolerance
- Definition of “true position”
- Simple example of position on hole/pin
- Using the MMC or LMC modifiers
- The “boundary” concept
- Position on screw threads; pitch diameter rule
- Projected tolerance zone
- Composite position tolerancing on a pattern
Session 5
- Profile and Orientation
- General definition of profile
- Profile of a line
- Profile of a surface
- Use of datums with profile
- Perpendicularity
- Angularity
- Parallelism
Session 6
- Symmetry and Coaxial Controls
- Concentricity (and why it\’s been deleted in Y14.5)
- Symmetry (and why it\’s been deleted in Y14.5)
- Circular runout
- Total runout
- Application of GD&T to a real-world part
- Inspection and gaging of GD&T callouts
- Wrap-up
- 90 days of online single-user access (from date of purchase)
- 16 hours of instructor-delivered content
- Course workbook (downloadable, .pdf\’s)
- Online learning assessment
- Instructor follow up to your content questions
- 1.6 CEUs* (upon completion of all course modules and satisfactory assessment score)
*SAE International is authorized by IACET to offer CEUs for this course.
