Fundamentals of GD&T ASME Y14.5M 1994 - Advanced Level ET2001

This 3-day advanced-level Fundamentals of GD&T course is an in-depth study of the terms, rules, symbols, and concepts of geometric dimensioning and tolerancing as prescribed in the ASME Y14.5M-1994 Standard. The course can be conducted in three 8-hour sessions or with flexible scheduling including five mornings or five afternoons. 

This class includes all the content from the Fundamentals of GD&T 2-day foundational course: an explanation of geometric symbols, including each symbol’s requirements, tolerance zones, and limitations. It compares GD&T to coordinate tolerancing, and explains tolerance zones; Rules #1 and #2; form and orientation controls; tolerance of position; runout and profile controls. Newly acquired learning is reinforced throughout the class with more than 100 practice problems using industrial drawings.

This in-depth, advance-level course also covers

• More detailed discussion of terms, concepts, and symbols used in GD&T
• Using tolerances on CAD models
• Discussions of verification principles for each geometric tolerance
• Related and unrelated actual mating envelope
• Functional and cartoon gages
• Examples of inspection methods for each geometric tolerance
• Critical thinking discussion
• 50 additional practice problems using industrial drawings

Newly acquired learning is reinforced throughout the class with more than 150 practice exercises. 

Each participant receives:

• The Fundamentals of GD&T (ASME Y14.5M-1994) textbook by Alex Krulikowski
• GD&T Ultimate Pocket Guide (1994)
• A GD&T Workbook with Engineering Drawings (1994)

This course provides a complete look at GD&T Fundamentals. For more complex GD&T topics, like the expanded use of composite position and profile tolerances, customized datum reference frames, the translation modifier, and applying GD&T to non-rigid parts, see our Advanced Concepts of GD&T course.

Learning Objectives

By attending this course, you will be able to: 

• Describe engineering drawings: importance, drawing conventions, dimensions and tolerances, standards*
• Describe what dimensioning and tolerancing is
• Explain why geometric tolerancing is superior to coordinate tolerancing*
• Describe the key terms used in geometric tolerancing
• Recognize the modifiers and symbols used in GD&T
• Explain the rules used in GD&T
• Describe the concepts of basic dimensions, worst-case boundary, virtual condition, inner and outer boundary, and bonus tolerance
• Interpret the various types of tolerances (flatness, straightness, circularity, cylindricity*, perpendicularity, angularity*, parallelism, position, concentricity*, symmetry*, runout, and profile)
• Describe the datum system
• Interpret applications of datum targets, feature of size datum specifications (RFS & MMC)
• Describe the fundamental concepts of tolerance of position
• Interpret tolerance of position special applications*
• Calculate tolerance of position tolerance values using the fixed and floating fastener formulas*

*Not covered in 2-day foundational-level course

This course teaches GD&T fundamentals. For more advanced GD&T concepts (composite tolerancing, tolerance analysis, datum selection, non-rigid part dimensioning) see our Advanced Concepts of GD&T course offering. 

Who Should Attend

This course is valuable for individuals who create or interpret engineering drawings, product and gage designers; process, product, and manufacturing engineers; supplier quality engineers/professionals; CMM operators; buyers/purchasers; checkers; inspectors; technicians; and sales engineers/professionals.

Prerequisites

Participants should have basic knowledge and command of the  GD&T ASME Y14.5 standard, which provides guidelines for engineering drawing sheet layout.

You must complete all course contact hours and successfully pass the learning assessment to obtain CEUs.