Geometric Dimensioning and Tolerancing (GD&T)

Learn to interpret drawings consistent with the rules, definitions, principles and symbols in the American National Standard regarding dimensioning and tolerancing: ASME Y14.5M: 2009

Seminar Content
Introduction
Needs of industry
Fundamental rules
Basic dimensions
Feature control frames
ASME Y14.5M: 2009

Form and orientation controls
Foundations of mechanical accuracy
Flat, straight, circular, cylindrical
Angular, perpendicular, parallel

Datums and datum schemes
Immobilizing the part
Datum reference frame
Rules for datum features
Specification of datum features

Position tolerance controls
Rule No. 1 and 2
Position of features of size

Material condition modifiers
Maximum material condition
Least material condition
Regardless of feature size
Zero tolerance applications

More on datum schemes
Focus on functional parts
Features of size in datum schemes
Material condition modifiers for datums

Common tolerancing strategies
Worst-case stack-up tolerances
Some statistical tolerancing methods

Profile tolerance controls
2-D and 3-D applications
Specificaiton of tolerance zones
Comparison of options for round features
Note: participants are encouraged to bring in parts and drawings form real-life applications.

To request a quote, contact:
Elena O'Connor, On-site Programs
Phone: (734) 487-4926