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Fundamentals
of GD&T Web-Based Training
Based
on ASME Y14.5M-1994
Goals and Objectives
Lesson
26: Introduction to Profile
Goal: Understand profile tolerancing.
- Describe how
profile can be a related feature control or a form control.
- Describe the term "profile."
- Describe the term "true profile."
- Describe the term "profile control."
- Describe the
four characteristics that profile can control.
- Describe the
difference in tolerance zones for a profile of a surface and a profile
of a line control.
- Recognize the
four types of profile tolerance zone specifications.
- Describe a bilateral
tolerance zone for a profile control.
- Describe a unilateral
tolerance zone for a profile control.
- Recognize the symbol for "between."
- Recognize the symbol for "all around."
- Describe the
extent to which a profile control tolerance zone applies on a part.
- List three advantages of using profile controls.
Lesson
27: Profile of a Surface
Goal: Interpret the profile of a surface control.
- List four part
characteristics profile of a surface can be used to control.
- List two requirements
of profile of a surface applied to a surface.
- Describe the
part characteristics being controlled when a profile of a surface
is used to control a surface location.
- List two requirements
of a profile of a surface control applied to a polygon.
- Describe the
part characteristics being controlled when profile of a surface is
applied to a polygon.
- List two requirements
of a profile of a surface control applied to a cone.
- Describe the
part characteristics being controlled when profile of a surface is
applied to a conical feature.
- List two requirements
of profile of a surface applied to coplanar surfaces.
- Describe the
part characteristics being controlled when profile of a surface is
applied to coplanar surfaces.
- Describe two
common applications for a profile of a surface control.
- Describe how a profile of a surface control can be inspected.
Lesson
28: Profile of a Line
Goal: Interpret the profile of a line control.
- List two requirements
of a profile of a line control.
- Describe the
tolerance zone for a profile of a line control.
- Describe how
profile of a line is view dependent.
- Interpret a multiple
single-segment profile application.
- Interpret an
application with a profile of a line control used with coordinate
tolerances.
- Describe two
common applications for a profile of a line control.
- Describe how profile of a line can be inspected.
