Introduction to Gear Drives
Interactive

Introduction to Gear Drives

Martech
Updated Jan 21, 2021

This lesson describes and explains the function of a gear and defines common terms used when working with gears and gear drives.

• Explain the design and function of a gear

• Define the following:

– Tooth

– Pitch

– Pitch circle

– Pitch diameter

– Circular pitch

– Diametral pitch

– Outside diameter

– Root circle

– Addendum

– Dedendum

– Clearance

– Whole depth