Gear

From Simple English Wikipedia, the free encyclopedia

Intermeshing gears in motion
Intermeshing gears in motion

Gears are mechanical parts with cut teeth designed to fit with teeth on another part so as to transmit or receive force and motion. Gears are also sometimes call toothed wheels or cogged wheels or cogs. The cut teeth are also sometimes called cogs.

[edit] Gear materials

Numerous nonferrous alloys, cast irons, powder-metallurgy and even plastics are used in the manufacture of gears. However steels are most commonly used because of their high strength to weight ratio and low cost.

[edit] External links

Spur gears found on a piece of farm equipment
Spur gears found on a piece of farm equipment