What is Spline Shaft? Splines are ridges or teeth on a drive shaft that mesh with grooves in a mating piece and transfer torque to it, maintaining the angular correspondence between them.

What is the difference between shaft and spline?

A splined shaft is designed to transmit torque. ... One key difference is that the splined shaft transfers torque by way of its externally splined shaft mating with an internal shaft that has slots for the external shaft's teeth.

What is the purpose of a spline shaft?

By definition, a spline shaft is a mechanical component can perform two functions, as an anti-rotational device or transmit torque to another device. These functions can be undertaken because the splines, or teeth or grooves of the gear, are machined into the length of the shaft.