Geometric Dimensioning and Tolerancing Training: Level One

Course Description

This one day training course is intended to provide sales and management staff with an overview of Geometrical Dimensioning & Tolerancing (GD&T). The most common tolerance types are shown. The class will consist of a power point presentation with class discussion. Practical examples will be featured. Question and answer sessions will take place during the course to ensure knowledge and understanding has taken place.

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Availability & Pricing

Price (Register to see pricing)
Date 5/22/19 - 5/22/19
Time 9:00 AM - 5:00 PM

Aims & Objectives

  • Show that GD&T helps insure parts or assemblies will fit together
  • Demonstrate how datums simulate conditions of use
  • Provide an overview of GD&T tolerance types or symbols
  • Work through a few practical examples
  • Encourage further study outside of class

Benefits to the Learner

  • Understand that datums determine alignment
  • Understand that tolerance zone values are diameters, widths, or thicknesses
  • Recognize the most common GD&T characteristics
  • Identify the difference between the GD&T categories
  • Be able to discuss GD&T with a basic understanding

Course Outline

Introduction: GD&T and Drawing Practice

GD&T Related Principles

  • Standards and governing organizations
  • Feature Control Frames
  • Datums (3-2-1)
  • Basic dimensions
  • Tolerance Zones and Classifications
  • Tolerances per unit length

Straightness and Flatness

Tolerances of Orientation

  • Parallelism
  • Perpendicularity
  • Angularity

Tolerances of Location

  • Position
  • Position with Feature MMC
  • Symmetry

Tolerances of Round Parts

  • Circular Runout
  • Total Runout
  • Circularity and Cylindricity
  • Concentricity

Tolerances of Oddly Shaped Parts

  • Profile of a line
  • Profile of a surface

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