Functional Gauge Design
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Functional Gauge Design

Functional Gauging

2-Day Seminar

Learn About:

  1. Gage design principles/tolerances and allowances
  2. Ways to avoid commonly used but improper gauging and inspection techniques
  3. Inspection machines
  4. Substitute systems
  5. Surface plate inspection and much more

Product Information (PDF Format)

Price: $600 (public 2-day course)

Course Objective

By learning the proper application of functional gauging and inspection techniques you will increase your production of quality parts. When you understand how to design and build your functional gauging 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.

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

  • Gauge Design Principles
  • Next assembly analysis
  • Datum reference frames
  • Surface Plate Gauging Principles
  • How to replicate fixtures
  • How to replicate functional gauging
  • Inspection & gauging policy
  • Combining attributes & variables gauging
  • Tooling Hole Fixturing and Inspection
  • Maximum material condition fixtures
  • Regardless of feature size fixtures
  • SPC Gauging Principles
  • Functional Gauging with Coordinate Measuring Machines
  • Software setups
  • Fixture setups
  • Process capability studies
  • Gauging according to ASME Y14.5-2009
  • How to inspect/gauge each of the 14 geometric characteristics
  • Layout Gauging
  • Datum Rotation
  • Datum Translation
  • Low-Cost Gauging Principles, Optical Gauging, and Thread Gauging
  • Principles of chart design
  • Attributes and variables
  • Variables data from optical charts gauging & inspection
  • The Six-Step Gauge Design Review Methodology

The course teaches how to apply the principles of GD&T to develop functional gauges using the principles found in the ASME Y14.5 standard. It addresses functional gauges used for the measurement of geometric tolerances, specifically for the verification of virtual condition boundaries (MMC and MMB concepts).


It also covers the principles and choices available to design, dimension and tolerance gauges and fixtures in compliance with the principles of ASME Y14.5. The understanding of gauges and fixtures is the key to understanding dimension and tolerancing of products per the Y14.5 standard.


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Mobile: + 65 9641 8859

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Fundamentals of GD&T

The subject matter covered is (as a minimum):

  • Introduction – Objectives, review of the “old” system versus GD&T.
  • General rules of dimensioning and drafting per the standard.
  • Tolerance Zones – definition, concepts, comparison to existing systems.
  • GD&T symbology and definitions of controls – particular emphasis on position tolerancing.
  • “Bonus” Tolerance – definition and how to take advantage of them.
  • Datum Reference Frames – definition and proper construction and selection.

GD&T for Manufacturing

1. Understand the difference between a Product (finished part) drawing and a Process drawing.
2. Explore the 3 Perspectives of Users of Drawings (Design, Manufacturing and Inspection).
3. Learn how to effectively read a drawing.
4. Learn how to read GD&T call-outs.
5. Learn how to make and measure parts specified with GD&T call-outs.

Advanced GD&T

Course Objectives are:

  1. Review the basic concepts and introduce the more complex concepts of the Y14.5 standard.
  2. Provide Participants with the knowledge of proper Datum Feature selection and specification.
  3. Enable participants to properly interpret and apply each of the Y14.5 controls and rules.
  4. Enable participants to calculate functional tolerances for position and other tolerances.
  5. Continue preparing the participants for the ASME GDTP certification exams.

GD&T for Inspectors/CMM Programmers

This program is designed for anyone who is responsible for operating, programming, or interpreting the results from a measurement device. It is not specific to any particular CMM software package or device manufacturer. You’ll receive colour course materials, to which you will refer often!

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