Tolerancing Strategies with GD&T


Tolerancing strategies are rarely taught in engineering programs. Designers and engineers are left to fend for themselves, frequently pulling past design practices forward, whether there is a rational basis to do so or not.

This advanced three-day course combines tolerancing concepts with statistical methods. We examine part tolerances, fixture tolerances, gage tolerances, assembly tolerances and the interactions between them. Tolerance stacks are evaluated via worst case analysis and a variety of statistical techniques. Strategies for robust design capitalize on operational definitions of GD&T to minimize loss to society.

Course Outline:

  • Selective Review of GD&T
  • Introduction to Stack-Up Analysis
  • Understanding Dimensional Variation
  • Datum Schemes and Strategies
  • Common Tolerancing Applications
  • Tolerance Stack Analysis Methods
  • Tolerance Design Methods
  • Dimensional Management
  • Process Capability for Positional Tolerances
  • Components and Assemblies

Key Course Objectives:

  • Review recent changes to ASME Y14.5 - 2018
  • Perform stack up analysis for simple linear stacks
  • Perfom stack up analysis with GD&T and bonus tolerances
  • Select appropriate solutions from six stack analysis methods
  • Determine process capability requirements for components

Instructor/Facilitator: Mark A. Morris was elected an American Society for Quality Fellow in 2013. Mark has taught in seven countries and in 24 of the United States. He has work experience in tooling and manufacturing as a machinist, toolmaker, gage builder, college instructor, technical writer, and quality professional in roles from Quality Engineer to Manager of Quality Planning to Director of Continuous Improvement. His expertise lies in quality engineering, dimensional management, reliability, maintainability, and quality systems. Credentials include undergraduate degrees in manufacturing engineering technology, industrial education, and metalworking; Master of Education degree from the College of Technology at Bowling Green State University; Certified Quality Engineer (CQE), Certified Reliability Engineer (CRE), and Certified Quality Auditor (CQA) certifications from the American Society for Quality; and Senior Level Geometric Dimensioning and Tolerancing Professional (GDTP) certification from the American Society of Mechanical Engineers. Mr Morris is an ASQ Validated Instructor with the ASQ Learning Institute. He presently serves as member of ASQ and Chair of the Ann Arbor chapter fo Society of Manufacturing Engineers (SME).

Participants taking this course with a manufacturing focus, have the opportunity to have 60% of the course cost paid for by the One Workforce Grant. For more information please contact Arika Davis at or 616-234-3609.
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Course: CEQU 110-00
Term: 1473
Section Number: 1
Schedule Number: 22320
Instructor(s): Mark Morris
Location: GRCC Lakeshore Campus, 12355 James St Holland, MI 49424
Dates: June 4 - 6, 2024 (Tue. - Thu., 8 a.m. - 4:30 p.m.)
Units: Non-Credit
Contact Hours: 24.0 Contact Hours
Seats Remaining: 20
Required Fees: Price