Functional Gaging (Virtual Classroom)


2-Day Remote Virtual Classroom

(8 hours per day, 10 a.m. – 6:30 p.m. Eastern daily)

1.6 CEU’s

This is a live, remote course using Zoom software. Internet access and computer (recommended) or tablet required.

Learn About:

  • Gage design principles/tolerances and allowances
  • Ways to avoid commonly used but improper gaging and inspection techniques
  • Inspection machines
  • Substitute systems
  • Surface plate inspection and much more

Detailed Course Description (PDF Format)

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Course Objective

By learning the proper application of functional gaging and inspection techniques you will increase your production of quality parts. When you understand how to design and build your functional gaging and inspection processes along with the part design, you will be developing inspection criteria directly related to the part’s specific application. This means that when your parts are inspected, you can be sure that they will work.


Eliminate arbitrary inspection practices. Inspection processes are often developed after the fact, and the parts are then judged by criteria loosely related to the part’s specific function. Thus, parts are passed that shouldn’t be, and others are rejected that would work.

Who should attend

Managers of engineering, quality control and inspection departments, design engineers, product engineers, mechanical engineers: If you are responsible for any aspect of the manufacturing process from design to inspection, you will benefit by attending. Discussions at the workshop will cover all inspection techniques currently available and show you when to use them.

Program Outline

  • Gage Design Principles
    • Next assembly analysis
    • Datum reference frames
  • Surface Plate Gaging Principles
    • How to replicate fixtures
    • How to replicate functional gaging
    • Inspection & gaging policy
    • Combining attributes & variables gaging
  • Tooling Hole Fixturing and Inspection
    • Maximum material condition fixtures
    • Regardless of feature size fixtures
  • SPC Gaging Principles
  • Functional Gaging with Coordinate Measuring Machines
    • Software setups
    • Fixture setups
    • Process capability studies
  • Gaging according to ASME Y14.5 and Y14.43
    • How to inspect/gage each of the geometric characteristics
  • Layout Gaging
    • Datum Rotation
    • Datum Translation
  • Low-Cost Gaging Principles Optical Gaging Thread Gaging
    • Principles of chart design
    • Attributes and variables
    • Variables data from optical charts gaging & inspection
  • The Six-Step Gage Design Review Methodology
    • A team analysis based on images of parts provided by the instructor and attendees

Additional information

No Classes Scheduled Contact Leslie Foster at, Interested in this class? Contact Leslie Foster at


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