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Fundamentals
of GD&T Web-Based Training
Based
on ASME Y14.5M-1994
Goals and Objectives
Lesson
6: Flatness
Goal: Interpret the flatness control.
- Describe what
flatness is.
- Describe the
tolerance zone for a flatness control.
- Describe which
modifiers can be used in a flatness control.
- Identify the
three requirements in a flatness application.
- Describe how
Rule #1 provides an indirect flatness control.
- Describe two
common applications for a flatness control.
- Describe how a flatness control can be inspected.
Lesson
7: Straightness
Goal: Interpret the straightness control.
- Describe the
difference between derived median line and axis.
- Describe the
difference between derived median plane and centerplane.
- Describe what
straightness is.
- Describe the
tolerance zone for straightness applied to a surface.
- Describe which
modifiers can be used with a straightness control applied to a surface.
- Determine if
a straightness control is applied to a surface or feature of size.
- Describe the
tolerance zone for a straightness control applied to a feature of
size.
- Describe how
Rule #1 provides an indirect straightness control.
- Recognize when
a straightness control overrides Rule #1.
- Describe which
modifiers can be used with a straightness control applied to a feature
of size.
- Calculate the
amount of bonus in a straightness MMC application.
- Describe two
common applications of a straightness control.
- Describe how a straightness control can be inspected.
Lesson
8: Circularity
Goal: Interpret the circularity control.
- Describe what
circularity is.
- Describe the
tolerance zone for a circularity control.
- Describe which
modifiers can be used in a circularity control.
- Describe how
Rule #1 provides an indirect circularity control.
- List three conditions
of a circularity application.
- Describe two
common applications of a circularity control.
- Describe how a circularity control can be inspected.
Lesson
9: Cylindricity
Goal: Interpret the cylindricity control.
- Describe what
cylindricity is.
- Describe three
requirements of a cylindricity control.
- Describe the
tolerance zone for a cylindricity control.
- Describe which
modifiers can be used in a cylindricity control.
- Describe how
Rule #1 provides an indirect cylindricity control.
- List three conditions
of a cylindricity application.
- Describe a common
application of a cylindricity control.
- Describe how
a cylindricity control can be inspected.