Spur gears certainly are a type of cylindrical gear, with shafts that are parallel and coplanar, and tooth that are straight and oriented parallel to the shafts. They’re arguably the simplest and most common kind of gear – easy to manufacture and ideal for an array of applications.

One’s teeth of a spur gear possess an involute profile and mesh one tooth at a time. The involute type means that spur gears just planetary gearbox generate radial forces (no axial forces), however the method of tooth meshing causes high pressure on the gear tooth and high noise creation. Because of this, spur gears are usually used for lower swiftness applications, although they can be utilized at almost any speed.