DeSimone Quality International


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ASME Measurement Training (24 Hours)

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Course Description – 24 hours

The Y14.5 standard is considered the authoritative guideline for the design language of geometric dimensioning and tolerancing (GD&T.)  It establishes uniform practices for stating and interpreting GD&T and related requirements for use on engineering drawings and in related documents.

GD&T is an essential tool for communicating design intent — that parts from technical drawings have the desired form, fit, function and interchangeability.  By providing uniformity in drawing specifications and interpretation, GD&T reduces guesswork throughout the manufacturing process — improving quality, lowering costs, and shortening deliveries.

Now, a consensus committee of experts has revised Y14.5 for 21st-century applications.  Important changes address:  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 modifiers tools.  Additionally, the subject matter has been restructured for better readability, with profile, orientation, and form now in separate sections, and material within sections reorganized.

Meet your Certified trainer
Joe DeSimone is the President of DeSimone Quality International, a Quality, productivity, engineering, training and consulting company. Joe has provided GD&T Implementation Training and consulting for many years.  His clients include Allied-Signal, Prime Wheel, Casablanca Fan, Kwikset, Pacific Fab, Fairchild, and many others.  Joe has taught GD&T, Quality Courses, and SPC at Los Angeles Trade Technical College.

Who Should Participate?
Answer: Designers, Manufacturers, Inspectors, and all who are involved with designing, making, inspecting, and procuring Quality products.

Course Outline

I.    Introduction and Overview of ASME Y14.5 – 2009 Changes

II.    Scope, Definitions, and Geometric Tolerancing

III.    General Tolerancing and Related Principles

IV.    Symbology

V.    Datum Reference Frames

VI.    Tolerances of Form

VII.    Tolerances of Orientation

VIII.    Tolerances of Location

IX.    Tolerances of Profile

X.    Tolerances of Runnout

XI.    Appendices

Learning Objectives:
  •     - Understand  GD&T methodologies and applications per ASME Y14.5M - 2009
  •     - Decrease part rejects by reducing part drawing interpretation errors.
  •     - Increase productivity by eliminating extra written instructions.
  •     - Increase effectiveness at communicating design requirements.
  •     - Apply different methods of inspecting GD&T.
  •     - Transition GD&T with ISO-9000, SPC, and Tolerance Stack Up efforts.
  •     - Refresh and update those with prior GD&T knowledge and experience
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