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What is the function of the drive shaft?

1 Answers

CarmenMarie

07/30/25 5:35am

The function of the drive shaft is to transmit the engine's power to the wheels together with the transmission and drive axle, enabling the car to generate driving force. The following is an introduction to the drive shaft and its component structure: Introduction to the drive shaft: The drive shaft is a high-speed, minimally supported rotating body, so its dynamic balance is crucial. Generally, drive shafts undergo dynamic balance testing before leaving the factory and are adjusted on a balancing machine. For front-engine, rear-wheel-drive vehicles, the drive shaft transmits the rotation from the transmission to the main reducer shaft. It can consist of several sections, connected by universal joints. Component structure of the drive shaft: The drive shaft is composed of an axle tube, a telescopic sleeve, and universal joints. The telescopic sleeve can automatically adjust changes in the distance between the transmission and the drive axle. The universal joint ensures the variation in the angle between the transmission output shaft and the drive axle input shaft, achieving equal angular velocity transmission between the two shafts.

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