GD&T ASME Y14.5-2018 Update

Course Summary

This course highlights the most significant changes to ASME Y14.5-2018 update, and provides answers to your questions on the added, changed, and deleted content as compared to the previous revision ASME Y14.5-2009.

Event Details

8:00am – 4:00pm (EST) each day ON-SITE
9:00am – 12:30pm (EST) each day VIRTUAL
Customer site: times vary

8 hours: 1 in-person session or 2 virtual sessions
Instructor-led classroom training, in-person and in-groups, with lots of discussion and working sessions to practice learned skills.
Available at QSG’s training facilities, virtually, or on-site at your organization

WorkbookGD&T Update per ASME Y14.5-2018 Workbook, by Charles Gillis 

Description

Though released in 2019, the most current standard defining Geometric Dimensioning & Tolerancing (GD&T) practices and their interpretation carries the ASME Y14.5-2018 designation. A revision of ASME Y14.5-2009, it contains many clarifications and improvements on the standard it replaces. Important changes include: concept of feature of size; datum references and degrees of freedom; composite position tolerances; surface boundaries and axis methods of interpretation; profile tolerances; and symbology and modifier tools. This course highlights the most significant of these changes and provides answers to your questions on the added, changed, and deleted content as compared to the previous revision. Don’t be left behind following outdated standards, get current with the GD&T ASME Y14.5-2018 update.

Who Should Attend

This course is designed for mechanical design engineers and engineering technicians supporting them in the design of mechanical components and definition of engineering requirements.

Learning Objectives

Through training, participants will learn the following:

  • Apply and properly interpret profile tolerances in various forms, across a wide variety of applications
  • Properly interpret specifications such as radius and controlled radius, confidently in accordance with the standard, instead of via assumption
  • Properly interpret datum feature identifiers applied to surfaces, and specify planar datum features
  • Apply alternatives to concentricity and symmetry with deep understanding of the geometric controls available to locate features
  • Recognize where ambiguity exists on drawing specifications and learn strategies for dealing with it

Course Outline

Changes to language and terminology
Angularity
Least material boundary
Datum target
Feature
Free state
Irregular feature of size
Runout

Added Definitions
Common datum
Continuous feature
Continuous feature of size
Interruption
Represented line element
Restrained
True geometric counterpart

Deleted terms
Concentricity
Free state variation
Restraint
Symmetry
Theoretical datum feature simulator

Additions to the standard
Non-uniform profile using the from-to symbol
Relaxation of size requirements using the dynamic profile symbol

Expansion and clarifications of the standard
Restrained condition and free state modifier
Continuous feature
Radius
Controlled radius
Profile in a note
Runout

Changes to interpretation
Default stabilization for datums
Surface interpretation vs. Axis interpretation for position at MMC

Deletions from the standard
Concentricity and symmetry
Graphical representation of unequally disposed profile

Emphasis shift
Ambiguity of plus/minus tolerancing applied to surfaces
Expanded use of model-based dimensioning and tolerancing

Prerequisites

At least one Basic GD&T workshop/course is required as a prerequisite. It’s essential that individuals understand the underlying principles that the Basic course is focused on teaching. In addition, students should have at least 1 year of on-the-job experience applying and / or interpreting GD&T.

Instructors

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