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Geometric Dimensioning and Tolerancing (GD&T)

October 7, 8:00 am - October 9, 4:00 pm

$1,200

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GD&T is a practical method for product definition that effectively communicates the design intent for manufacturing and quality verification. It is governed by the technical standard ASME Y14.5M-2018 and some other Y14 engineering product definition and related documentation practices. The course introduces participants to the GD&T method, provides a working knowledge of the correct interpretation and application of each symbol, general rules, the datum system, and ‘bonus’ tolerance and highlighting some of the changes in the updated Y14.5 standard. The material is reinforced with some practical exercises.

Learning Objectives

  • Explain the benefits of geometric tolerancing
  • Identify datum features and determine their order of precedence
  • Identify and interpret each of the characteristic symbols
  • Describe the material condition modifiers and how “bonus” tolerance occurs
  • Correctly interpret GD&T feature control frames, and explain the impact on manufacturing

Course Content:

Introduction to GD&T
Drawing History
GD&T Definition and the Future
Scope
References – Precedence of Standards
ASME Y14.5-2018 Structure

Lesson 1 – Dimensioning & Tolerancing

  •  Definitions
  •  Fundamental Rules, Tolerancing Defaults, and Dimensioning Practices
  •  ASME Y14.8 – Castings, Forgings and Molded Parts

Lesson 2 – Tolerancing Interpretation & Material Condition

  •  Tolerancing Interpretation of Limits of Size and Material Condition Modifiers
  •  Rule #1 The Envelope Principle (Variations of Form)
  •  Rule #2 RFS and RMB Default

Lesson 3 – Symbology

Lesson 4 – Datums

  • Datum Reference Frames

Lesson 5 – Tolerances of Form

  • Straightness, Flatness, Circularity (Roundness) and Cylindricity

Lesson 6 – Orientation

  • Angularity, Parallelism, Perpendicularity

Lesson 7 – Tolerances of  Position

  • Positional Tolerances
  • Bonus (MMC, LMC)
  • Composite Positional, Multiple Single-Segment Positional

Lesson 8 – Tolerance of Profile

  •  Profile of a Line, Profile of a Surface

Lesson 9 – Tolerance of Runout

  • Circular Runout, Total Runout
  • Appendices
  • Principal Changes and Improvements from revision 2009
  • MSA (Measurement System Analysis) connection with GD&T

Details

Start:
October 7, 8:00 am
End:
October 9, 4:00 pm
Cost:
$1,200
Event Category:
Event Tags:
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Venue

Lowcountry Graduate Center
3800 Paramount Drive
North Charleston,SC29405United States
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