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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

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.