GD&T Training

Features:

  • Learn directly from Professionals
  • Learn by working on Real Projects
  • Learn Concepts, Rules and Language of GD&T
  • 100% Placement Assistance
  • Industry Recognized Certificate

Course Details:

  • Identify the benefits of Geometric Dimensioning and Tolerancing.
  • Identify the geometric characteristic symbols used in GD&T and understand their meaning.
  • Interpret feature control frames and apply them on drawings.
  • Interpret and apply modifiers in feature control frames and how they affect the geometric tolerance specified.
  • Interpret Datum Reference Frames illustrating primary, secondary, and tertiary datums.
  • Understand the function of datum targets and partial datums.
  • Discuss methods of inspection for the different geometric characteristic symbols.
  • Recognize composite feature control frames and illustrate how to interpret them on drawings.
  • Interpret different examples of GD&T applications from various drawing examples.

Lesson 1: Introduction

  • Introduction
  • Benefits of Geometric Dimensioning & Tolerancing
  • Co-ordinate Tolerancing Vs Diametrical Tolerancing
  • Types of Dimensions

Lesson 2: Characteristic Symbols

  • Characteristics Symbols
  • ASME Y14.5-2018
  • Geometric Characteristics and their tolerance zones
  • Form Tolerances
  • Straightness (of a flat surface)
  • Straightness (of an axis)
  • Flatness
  • Circularity or Roundness
  • Cylindricity
  • Profile tolerances
  • Profile of a line
  • Profile of a surface
  • Orientation tolerances
  • Angularity
  • Perpendicularity
  • Parallelism
  • Location tolerances
  • Position
  • Concentricity
  • Symmetry
  • Runout tolerances
  • Circular runout
  • Total runout

Lesson 3: Feature Control Frames

  • Feature Control Frame Breakdown
  • Placement of Feature Control Frames on Drawings
  • Feature Control Frame Exercise
  • Placement of Datums
  • Placement of Datums ASME Y14.5-2018
  • Qualifying Datums vs Designated Datums
  • Feature Control Frame Exercise #2
  • Placing Feature Control Frames on drawings Exercise

Lesson 4: Modifiers

  • Maximum Material Condition MMC
  • Virtual Condition
  • Positional Callout illustrating the effects of MMC
  • Straightness Callout illustrating the effects of MMC
  • Positional tolerance of a slot in MMC
  • Bi-directional Positional Tolerance in MMC
  • Simultaneous Requirement
  • Interpreting Positional Diametrical Tolerance Zone in MMC
  • Least Material Condition (LMC)
  • Virtual Condition
  • Least Material Condition Exercise
  • Regardless of Feature Size (RFS)
  • Complete list of modifying symbols
  • Projected Tolerance Zone
  • Established Rules
  • Review Exercise

Lesson 5: Inspection Methods

  • Flatness
  • Straightness of a Flat Surface
  • Straightness of an Axis (Relatively Round)
  • Straightness of an Axis MMC
  • Circularity or Roundness of a Cylinder
  • Cylindricity of a Cylinder
  • Inspection Methods Exercise (Form Tolerances)
  • Perpendicularity of a Surface
  • Perpendicularity of a Cylindrical Feature in MMC
  • Angularity of a Surface
  • Parallelism of a Surface
  • Parallelism of a Cylindrical Feature at RFS
  • Inspection Methods Exercise (Orientation Tolerances)
  • Profile of a Line
  • Profile of a Surface
  • Profile of a Surface vs Parallelism
  • Additional Considerations with Profile Tolerance
  • Circular Runout
  • Total Runout
  • Runout – Circular for Squareness
  • Concentricity
  • Symmetry (non round features)
  • Inspection Methods Exercise – Summary

Lesson 6: Datums

  • Datum Referencing
  • Partial Datums
  • Datum Targets
  • Datum Reference in a MMB or LMB Condition
  • Datum Exercise

Lesson 7: Positional Charts

  • Diametrical tolerance VS plus / minus tolerance
  • Radial Positional Chart Exercise 1
  • Radial Positional Chart Exercise 2