GD&T Training Worldwide

Providing GD&T training in English, Spanish, Portuguese and Mandarin.

Home of The GD&T Hierarchy

GD&T courses that are designed to keep the participant interested and engaged, while having fun.

On-Site and Computer Based Training
Public Seminars and Webinars

Cost: $795* per person and includes course materials.

Course Description: This advanced training teaches you how to study the cumulative effect of part tolerances in order to reduce product costs. You'll learn how to establish part tolerances, perform 2-D analyses of designs, use geometric tolerances in stack ups, and much more. Numerous assemblies will be studied. A workshop to apply tolerance stack-up analysis techniques to student supplied problems may be included.

Who should attend: Designers and Design Engineers and those trouble shooting production problems who have already taken a fundamentals course in geometric dimensioning and tolerancing in accordance with the ASME Y14.5 standard. Additionally, a GD&T Applications course is recommended.

The Need: Designers and Design Engineers must be able to determine how robust a design is at the sketch phase. Fit of parts is relatively easy to predict. Shift of parts within an assembly requires an understanding of advanced tolerancing concepts. This knowledge is required to perform manual 2-D and computer assisted 3-D analysis.

Couse Outline:

Tolerance Allocation and Analysis

  • Why Do We Need to Do More Tolerance Analysis?
  • When should we do Tolerance Allocation/Analysis?
  • Responsibilities of those performing a tolerance analysis: There are always design alternatives!

Within a Part

  • Exercises
  • Reality Check
  • Tolerance Stack-Up Analysis
  • Procedure Exercises

The Stack-Up Sizes of Internal and External Features

  • Datum Shift
  • Profile Tolerances
  • Exercises

Analysis with Multiple Parts

  • Exercises

Self Aligning Features

  • Runout
  • Tilt and Shift
  • Exercises

Statistical Probability Theory

  • Defects vs Variation
  • RSS and Modified RSS
  • Cp and Cpk
  • Applications to tolerance stack-up analysis
  • Exercises

Dealing with Datum Variation

  • Flatness
  • Perpendicularity
  • Exercises

Fixed and Floating Feature Assemblies

  • Exercises


  • Bring your specific design problems. We will investigate as many as time will allow.s


Available Discounts:

*Receive a $100 off a 24 hour course, $75 off a 16 hour course and $50 off the Update course with early registration (at least 2 weeks prior to start of class)

*Receive a 10% discount when registering 3 or more people from the same organization for any 1 seminar

*Receive $50.00 discount for each additional seminar when you register for 2 or more seminars in the same calendar year

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