Introduction to Gear Drives

Learning objectives

  • Describe and explain the 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
    • Working depth
    • Flank of the tooth
    • Face of the tooth
    • Fillet
    • Face width
    • Backlash
    • Pressure angle
    • Top land
    • Bottom land
    • Crown
    • Gear-tooth ratio
    • Gear Hardness

Course overview

A gear is a main component of a gear drive system. The Introduction to Gear Drives training course explains a gear and the common terms associated with different gear designs.

This online course describes the function of a gear and defines common terms used. It also covers gear hardiness. This course is part of the Gear Maintenance training series.

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