A drive shaft, also known as drive-shaft, shafts, drive shafts, driving shaft, propeller shaft or cardan shaft is an automotive device part for transmitting rotary force and torque, usually utilized to link the various moving parts of a vehicle. A shaft not only provides torque, it also generates power through a gear ration between the spur and the throw. Shafts can be made of different materials like metal, steel, bronze, brass, iron, fiberglass and more. The materials used in manufacturing a shaft vary because some materials are more suitable for certain uses while others are more suitable for some other purposes. However, they are alloys in nature and therefore it is possible to manufacture shafts out of any desired alloy.
The main function of a shaft is to transfer power from the engine to the axle shafts. The axle shafts are used for connecting the engine to the wheels and chassis. On the other hand, the drive shaft interfaces the engine with the axle shafts directly by a series of gears, links and axles that are arranged in a particular pattern to form the transmission system. All of these gears and links, in turn, work together by applying proper force and pressure on the fly.
Drive shafts are designed and manufactured using conventional technologies. In the automotive industry, however, the drive shaft is typically manufactured using lightweight and high strength materials such as forged or billet steel, aluminum and magnesium, which offer superior strength and rigidity, making them ideal for high-torque applications. These shafts are also highly resistant to adverse environmental conditions. They also provide high-quality performance, making them suitable for use in a wide variety of applications. For example, automotive shafts can be used for high- speed transmissions, such as those used in heavy equipment and automotive engine components. They are also used in high-power applications, such as for applications requiring high levels of torque, such as for heavy-duty industrial trucks and other vehicles.
Drive shafts, when used in a diesel-powered vehicle, enable the engine to achieve greater torque for smoother out-the-box operation. This translates to improved fuel efficiency, better performance and greater mileage. Drive shafts also allow for greater gear selection and greater steering control for more precise steering control.
One of the most common uses for a transmission is to transfer power between the transmission and the engine. The torque-shaft, which comes as a complete unit in a dual-link (two gearsets) or four-link (four gearsets) design, transfers the power from the transmission to the axle. When used in a diesel vehicle, this allows for greater power transfer between the engine and the axle. This is because a shaft that is able to transfer torque at more than one point also enables the transmission to operate more efficiently.
Another common use of a transmission is to transfer power between the transmission and the rear axle assembly. The axle is often designed with a larger area than the transmission itself to facilitate ground clearance and reduce the risk of drivetrain components becoming damaged by a damaged yoke or fan. A drive shaft also allows for greater axle clearance for a greater amount of axle transfer.