The car axle shaft is a load-bearing and heavy-duty component used in a motorised vehicle. Also referred to as half-shafts or CV axles, axle shafts transfer the rotational force from the transmission system of your vehicle to the wheels that are attached to the axles.
The axle shafts are designed to support heavy loads including the own mass of the vehicle itself, the cargo, and the riders. Although these are built to endure heavy weights, the component might end up overloaded, forcing it to break or warp from the strain. Damage may also be incurred because of physical impact from rough roads, potholes, and collisions.
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The Function and Purpose of Axle Shafts
Drive axles are critical drivetrain components connecting the transmission to the wheels of the vehicle. Axle shafts are mainly in charge of transferring the rotation power and force of the transmission so that the vehicle will move and run.
Once the axle shaft rotates because of the force coming from the transmission, the wheels that are connected to it will turn as well. All individual axle shafts have a differential between two universal or UV joints and two half axles.
Axle shafts ultimately let the vehicle roll and facilitate controlled wheel movement. The wheels of your car will never move properly or will never move at all if there are no reliable drive shafts.
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Different Types of Car Axle Shaft
The specific type of car axle shaft varies according to the requirements of the specific type of vehicle. Every axle shaft also deals with different kinds of stress. It is one factor dependent on the axle shaft’s length relative to the position of the bearings and hubs of the vehicle and how the cars are designed for attaching to the axle shafts.
The following are the most common types of axle shafts:
Fully Floating Car Axle Shafts
This particular type of axle shaft features hubs in the middle of two components rather than having flange faces directly connecting the wheels and the axle shaft. Each wheel is connected to a hub and this hub will rotate on the roller bearings attached to the spindle at the axle shaft’s ends.
These rolling bearings face the opposite directions and are tapered, with the bearings and hubs handling the weight of the vehicle to take off the strain from the axle bearing. The axle bearing simply floats rather than enduring the torque of the transmission system because it doesn’t need to support the vehicle’s weight as well as its cargo.
Semi-Floating Car Axle Shafts
This particular design of the car axle shaft has flange faces on the axle shaft’s two outer ends. The faces are directly attached to the connected wheels.
Three-Quarter Floating Car Axle Shafts
This type of axle shaft has the elements from the designs of fully floating and semi-floating axle shafts. Their bearings are positioned between the hub axle shaft and the axle casing. But the bearings stay protected from bending or shearing forces.
