This section will explore precision measuring devices and their use, advantages, and disadvantages. Accurate measurements are the cornerstone of successful machining procedures. Precision measuring devices enable machinists to obtain precise measurements of components, ensuring strict tolerances and specifications are met. In addition, this section will discuss widely adopted measurement systems utilized within the machining trade.

Learning Objectives:

• Apply the imperial measurement system to machining work to ensure accuracy
• Describe the functionality and purpose of imperial calipers and micrometers.
• Demonstrate how to read measurements obtained using imperial calipers and micrometers.