Axle function is passed between frame or frameless body and wheels and the direction of forces generated by the bending moment and torque.
According to different suspension structure, the axle can be divided into integral and breaking two kinds.
One-piece axle for rigid solid or hollow beam in the middle of, used together with the independent suspension)
And breaking axle to the activities of joint type structure, used with independent suspension.
Axle can be integrated, like a huge weight, both ends by suspension system to support the body, so integral axle usually cooperate with the independent suspension;
Axle can also be broken open, like two umbrella in on both sides of the car body, and their respective through suspension system to support the body, so breaking axle used in conjunction with independent suspension.
Relevant tags: semi-trailer axle