Wind Turbines are machines that generate electricity from the kinetic power of the wind, they are highly complex and many components. The most common and important components of wind turbines are gears and gearboxes.

Gears are integrated inside wind turbines in such a way that it establishes the relationship between low-speed shaft and high-speed shaft and increases the rotational speed of the rotor blades. At the same time, the gearbox maintains a uniform speed increase ratio.