The purpose of this session is to show participants the most significant changes that were implemented in the most recent standard for GD&T (geometric dimensioning and tolerancing). This standard, ASME Y14.5-2009, did not introduce any major characteristic symbols; however, there were numerous other additions that can significantly impact the interpretation of these tolerances.  In effect, there are now more tools in the designer'S toolbox - this session will present these both in how they appear on a drawing, and what their proper interpretation and application should be. The session is intended for designers, product engineers, manufacturing engineers, manufacturing personnel, and quality/gaging inspectors,  but participants should have a good general knowledge of GD&T as a prerequisite.

At the end of this session, participants will be able to:
  • Explain the recent history of the ASME standard
  • Identify the name and meaning of each of the new modifiers
  • Explain new terms such as irregular feature of size, related/unrelated AME
  • Describe other new annotations for profile such as "all over" and "non-uniform"
  • Identify MMB vs. MMC, and properly calculate shift tolerance

Session Outline:
  • Description of the ASME standard and a quick list of new items
  • Review of older modifiers, with emphasis on MMB vs. MMC
  • Features of size: now divided into "regular" and "irregular"
  • Actual mating envelope: now divided into "related" and "unrelated'
  • The impact on Rule #1: the modifiers "CF," "I," and ISO's "E"
  • Applying flatness to a feature of size
  • New tools for profile: "unequal," "non-uniform," and "all over"
  • New tools for datums: the translation modifier, customized degrees of freedom, and "M" applied to a surface
  • Summary and questions

Speaker:


John-Paul Belanger is certified by the ASME as a Senior GD&T Professional. He has conducted numerous GD&T and Tolerance Stacks classes for a variety of manufacturing clients throughout North America and Europe. For four years Mr. Belanger was the primary GD&T instructor for a major automotive OEM. He has also done extensive consulting with clients in the proper application of geometric tolerancing. He holds a degree in aerospace engineering from the University of Michigan specializing in aircraft design and safety.






Who Should Attend:
  • Manufacturing engineers
  • Product engineers
  • Designers
  • Quality personnel

Training Session Information
Date Presented:
May 08, 2013 2:00 PM Eastern
Length:
1 hour, 30 minutes
GD&T Standard Update
Speaker Information
John-Paul Belanger   [ view bio ]
Individual topic purchase: Selected
Society of Manufacturing Engineers
Recertification Credit : 1.00
This session is available as recertification credit for individuals who have earned a SME certification.
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