Gear 5
BASIC TECHNOLOGY JSS2 Third term
Sub-Theme: Tools, machines and processes
WEEK 10
Gear 5
Performance objectives
Students should be able to:
- Construct a gear system
Content
Gear
Gears are mechanisms that mesh together via teeth and are used to transmit rotary motion from one shaft to another. Gears are defined by two important items: radius and number of teeth. They are typically mounted, or connected to other parts, via a shaft or base.
Radius: The gear radius is defined differently depending on the particular section of the gear being discussed. The two most relevant measurements, however, are the root radius and the addendum radius. The root radius is the distance from the center of the gear to the base of the teeth while the addendum radius (also called the "pitch" radius) is the distance from the center of the gear to the outside.... View More
Subscribe now to gain full access to this lesson note
Take Me ThereClick here to gain access to the full notes.