Lesson 8: Gear Trains

Lesson contents:

• Introduction and Prerequisite Concepts
  • When should a gear train be used?
  • A fundamental distinction: Axle vs. Shaft
  • Design Criteria
  • Classification of Gear Trains
  • Ordinary Gear Trains
  • Synthesis of Gear Trains
• Epicyclic (Planetary) Gear Trains
  • Willis’ Formula and the Apparent Ratio (\(\mu_a\))
  • Classification and Behavior Depending on the Fixed Element
  • Differential Gear Trains
  • The Automotive Differential