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Inspection Department

Department Overview

Department Description

Department Name:	Inspection Department
Number of Classes:	15

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Inspection is the measurement of parts to ensure that they conform to specifications. Often, measurements smaller than the width of a human hair determine if a part is “good” or “bad.” Inspection activities ensure that the part is a quality part that meets the needs of the customer.
These classes address the methods and instruments used to effectively inspect parts in the shop. The content is for individuals seeking to learn the fundamental approaches for inspection and the most common instruments. The content of these classes starts with instruments such as the caliper, micrometer, and CMM and eventually addresses calibration and more advanced inspection methods.

Department Classes

Class Name	Prerequisites	Lessons	Difficulty
Basic Measurement 110 This class introduces the basic measuring devices used in the shop. Includes an Interactive Lab.	none	18	Beginner
Linear Instrument Characteristics 115 This class describes the various characteristics of linear measuring instruments and explains how variation affects the inspection process. Includes an Interactive Lab.	none	15	Beginner
Basics of the CMM 120 This class identifies the major types and components of the coordinate measuring machine and describes the coordinate system.	none	16	Beginner
Basics of the Optical Comparator 130 This class explains the principles of optical inspection and describes the optical comparator.	none	16	Beginner
Surface Measurement 140 This class identifies the different types of surface texture and describes how the surface texture of a part affects its use.	none	18	Beginner
Overview of Threads 150 This class describes the various parts of a screw thread and how threads are manufactured. It also covers thread standards and tolerances, how threads are inspected, and the various tools used to inspect them.	none	18	Beginner
Intro to GD&T 200 This class introduces the fundamental concepts of geometric dimensioning and tolerancing (GD&T) and describes the main types of tolerances included in the standard. Includes an Interactive Lab.	350110 800130	20	Intermediate
Calibration Fundamentals 210 This class describes the calibration process and explains how measuring instruments are traced back to national and international standards. Includes an Interactive Lab.	350110 350115	20	Intermediate
Inspecting with CMMs 220 This class compares the advantages and common uses of various CMM components and software applications.	350110 350115 350120	17	Intermediate
Inspecting with Optical Comparators 230 This class compares different types of optical comparators and explains how they work best under different conditions.	350115 350130	19	Intermediate
Hole Inspection 240 This class explains different hole characteristics and describes how specific gages are used for different hole inspection applications. Includes an Interactive Lab.	350110 350115	20	Intermediate
Thread Inspection 250 This class describes common screw threads, their standards, and the common methods and devices used to inspect them. Includes an Interactive Lab.	350110 350150	19	Intermediate
Hardness Testing 260 This class provides an overview of the most common hardness testing methods and describes how to read hardness ratings.	500120	18	Intermediate
Measuring System Analysis 300 This class explains the purpose and methods of measuring systems analysis, including measurement variation and gage repeatability and reproducibility studies.	350210, 900210	20	Advanced
Interpreting GD&T 310 This class explains important rules of GD&T and also describes how common features are specified in GD&T prints. Includes an Interactive Lab.	350200	20	Advanced