ASQ – Geometric Dimensioning and Tolerancing (GD&T)

March 12, 2020 @ 9:00 am – 10:00 am

Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering dimensions and tolerances in an unambiguous way. It uses a symbolic language on engineering drawings and computer-generated three-dimensional solid models that explicitly describe nominal geometry and its allowable variation that can only be interpreted in one way. By removing any possible misinterpretation or alternate interpretation of a drawing, GD&T eliminates the often encountered “return to supplier, does not meet requirements” only to have the supplier send it back noting “all requirements met”.

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