What Is The Main Function Of The Shaft?

The main functions of the gearbox shaft include supporting rotating parts, transmitting motion and power. Axes play a crucial role in mechanical systems, manifested in the following aspects:
Supporting rotating parts: The shaft is positioned through a bearing seat to provide radial support for rotating parts such as gears and pulleys, maintaining the correct working position of the parts and ensuring smooth rotational motion .
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Transmission of motion and power: The shaft transmits the power from the driving end to the working end through its rotational motion, achieving the transmission of motion and power in the mechanical system .

.In addition, the types of shafts include spindle, drive shaft, and pivot shaft:
Spindle: mainly bears bending moment, does not transmit torque, used to support rotating parts, such as bicycle axles .
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Transmission shaft: mainly bearing torque, not bearing or only bearing small bending moments, used for transmitting power, such as the drive shaft of a car