GD&T Core Concepts – 30 day access

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This course is our most popular and refined GD&T fundamentals course. This course has everything you want to know about the latest ASME Y14.5-2018 standard. GD&T Core Concepts covers the first 6 core units and unit 14 for you to review concepts learned in your instructor-led course. This course makes sure everyone is speaking the same GD&T language!

Course Content

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Unit 1 Overview

GD&T Introduction and a Brief History

Common Drawing Symbols

Inch vs MM and the Tolerancing Lingo

Geometric Characteristic Symbols Overview

Feature Control Frame

Exercise 1.1 Introduction

Exercise 1.1 Solutions

GD&T Practical Example Part 1

GD&T Practical Example Part 2

GD&T Practical Example Part 3

GD&T Practical Example Part 4

GD&T Practical Example Part 5

Size Tolerance Expression and MMC/LMC

Exercise 1.2 Introduction

Exercise 1.2 Solutions

Exercise 1.3 Introduction

Exercise 1.3 Solutions

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Unit 2 Overview

Rule #1, Size Controls Form

Part 1- Two Requirements for Size Tolerance – Shaft

Part 2- Two Requirements for Size Tolerance – Hole

Rule #1 Exceptions and ISO Size Definitions

Size Does not Control Relationships

Size vs Relationship

Exercise 2.1 Introduction

Exercise 2.1 Solutions

Limits and Fits Part 1

Limits and Fits Part 2

Exercise 2.2 Introduction

Exercise 2.2 Solutions

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Unit 3 Overview

Problems with Plus/Minus Tolerancing

Introduction to Position Tolerancing

The Need for a Datum Reference Frame

RFS Default Condition

More Details of Position Tolerance

More on Material Condition Modifiers

Exercise 3.1 Introduction

Exercise 3.1 Solutions

Qualifying the Datum Features

Hole Bar Fully Toleranced

Profile Tolerance and CMM Inspection

Hole Bar Application Summary

Exercise 3.2 Introduction Part 1

Exercise 3.2 Part 1

Exercise 3.2 Solutions Part 1

Exercise 3.2 Part 2

Exercise 3.2 Solutions Part 2

Full Geometric Tolerancing

Exercise 3.3 Introduction

Exercise 3.3 Solutions

Exercise 3.4 Introduction

Exercise 3.4 Solutions

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Unit 4 Overview

Planar Datum Features

Tangent Plane Algorithm

Exercise 4.1 Introduction

Exercise 4.1 Solutions

Datum vs Datum Feature

Datum Features of Size

Datum Plane vs Center Plane

Exercise 4.2 Introduction

Exercise 4.2 Solutions

Six Degrees of Freedom

Exercise 4.3 Introduction

Exercise 4.3 Solutions

Datum Feature Precedence

Establishing a DRF Examples

Constraining Degrees of Freedom

Exercise 4.4 Introduction

Exercise 4.4 Solutions

Qualifying the Datum Features

Exercise 4.5 Introduction

Exercise 4.5 Solutions

Exercise 4.6 Introduction

Exercise 4.6 Solutions

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Unit 5 Overview

The Hub Design Drawing

The Hub Manufacturing Drawing

The Hub Quality Plan

Position Inspection Intro – Hole 1

Position Inspection Intro – Hole 2

Position Inspection Report Metric

Exercise 5.1 Introduction

Exercise 5.1 Solutions

Exercise 5.2 Introduction

Exercise 5.2 Solutions

Exercise 5.3 Introduction

Exercise 5.3 Solutions

Exercise 5.4 Introduction

Exercise 5.4 Solutions

Exercise 5.5 Introduction

Exercise 5.5 Solutions

Position Inspection Report Inch

Exercise 5.6 Introduction

Exercise 5.6 Solutions

Exercise 5.7 Introduction

Exercise 5.7 Solutions

Exercise 5.8 Introduction

Exercise 5.8 Solutions

Exercise 5.9 Introduction

Exercise 5.9 Solutions

Paper Gage Metric

Paper Gage Inch

Other Position Reporting Methods

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Unit 6 Overview

Parallelism with Plus/Minus

Parallelism with Profile

Perpendicularity and Angularity

Perpendicularity Line Elements

Exercise 6.1 Introduction

Exercie 6.1 Solutions

Exercise 6.2 Introduction

Exercise 6.2 Solutions

Exercise 6.3 Introduction

Exercise 6.3 Solutions

Orientation of a Hole

Exercise 6.4 Introduction

Exercise 6.4 Solutions

Geotol Practical Example

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Appendix A Overview

Paragraph Restructuring and New/Revised Figures

Concept Removal

Restrained Condition Updates

Continuous Feature

Unstable “Rocker” Datum

New Symbols: “From-To” & Dynamic Profile

Dynamic Profile Application

Dynamic Profile & Controlled Radius

Appendix A Recap

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Appendix B Overview

Standard Structuring

Term Differences

Envelope vs Independency Default

The Similarities First

Definition of a Feature

ISO Profile Modifiers CZ & UF

Profile Unequal Circle U vs UZ

Simultaneous Requirement vs Independency

ASME vs ISO Defaults Summary

Combined Zone & Common Datum Part 1

Combined Zone & Common Datum Part 2

Examples of ASME Converted to ISO

Other Notable Differences

Appendix B Recap

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