Tolerance Stack-Ups

Tec-Ease, Inc.
Training overview
Professional Course
16 hours
Start dates
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Course description

Tolerance Stack-Ups (TSU)

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.

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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 Y14.5M-1994 standard. Additionally, a GD&T Applications course is recommended.

Training content

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


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

Analysis with Multiple Parts

  • Exercises

Dealing with Datum Variation

  • Flatness
  • Perpendicularity
  • Exercises

Fixed and Floating Feature Assemblies

  • Exercises

Statistical Probability Theory

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

Self Aligning Features

  • Runout
  • Tilt and Shift
  • Exercises


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About Tec-Ease, Inc.

Tec-Ease, Inc.

Tec-Ease, Inc.

As companies consider having employees work from home, Tec-Ease wants to remind you that we offer webinar and online training. In both cases, participants can take our classes from anywhere. Take advantage of this potential 'downtime' to 'sharpen your sword'...

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Average rating 4.7

Based on 6 reviews

Good course, very relevant.  Instructor kept the class moving but gave enough time and helped individuals with exercises.
The instructor knew the material well and we able to troubleshoot any issue when I didn't have the right answer.
Very enthusiastic! Ed offered examples that were helpful.  He is very good at communication TSU
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