Geometric Dimensioning & Tolerancing (GD&T) Introduction Tutorial

Article by Rod Mackay updated July 26, 2021

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In this on-demand webinar, certified instructor Shawn Bontaine discusses the importance of Geometric Dimensioning & Tolerancing (GD&T) and delivers an introduction tutorial on how to apply the standards.

Watch the video to experience one of Javelin’s most popular training courses, and get an introduction to the reasons why GD&T is applied and some of the Characteristic Symbols utilized. Plus, the makeup of feature control frames and datums:

Meet the GD&T Training expert: Shawn Bontaine

  • Training expert for 20+ years
  • CSWP – Certified Professional, Ontario Teaching Certificate & Geometric Dimensioning & Tolerancing – ASME
  • Mechanical Engineering Technologist – Conestoga College

Geometric Dimensioning & Tolerancing (GD&T) Training at Javelin

Our GD&T courses help designers, engineers, managers, and production/manufacturing personnel to understand, create, and interpret GD&T symbols and drawings.

GD&T Training: Fundamentals

Learn best practices for stating and interpreting dimensions/tolerances. GD&T is essential to ensure functional information and design intent from the assembly to its individual parts.  This insures accurate fitting assemblies and spare parts regardless of where they are manufactured.

Designerstoolmakersinspectors and project managers will greatly benefit from GD&T knowledge.

Our Geometric Dimensioning and Tolerancing (GD&T) training course covers the fundamentals and principles of the ASME Y14.5-2018 GD&T standard.  The course focuses on the geometric characteristic symbols explaining in detail each symbol, feature control frames, different modifiers and how they affect tolerancing when placed in the feature control frame.

The course also goes into depth on datums and datum reference frames, partial datums and datum target points.  You will be exposed to methods of inspection for the characteristics symbols, composite feature control frames and design exercises.

GD&T Training: Advanced

An in-depth study of the principles of GD&T. The GD&T Advanced training course is designed as a further in-depth course to help understand, interpret and apply the principles of GD&T. It is based on the ASME Y14.5-2018 standard.

Our Geometric Dimensioning and Tolerancing (GD&T) advanced training course covers the fundamentals and principles of the ASME Y14.5-2018 GD&T standard.  The course focuses on the geometric characteristic symbols explaining in detail each symbol, feature control frames, different modifiers and how they affect tolerancing when placed in the feature control frame.

PLUS, this course reviews the types of tolerances and the individual geometric characteristic symbols and their tolerance zone. Further explanation on profile tolerances (all round, between points, unequally disposed). Comparison of different characteristics for application purposes.

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Rod Mackay

Rod has been using 3D CAD software for over 25 years and has trained thousands of designers to use their CAD systems more effectively. Rod is the Javelin Webmaster and is based in Ottawa, ON., Canada.