What is the purpose of a car chassis?

The role of the automobile chassis is to support and install the automobile engine and its component assembly, form the overall shape of the automobile, and accept the power of the engine, make the automobile movement, ensure the normal running. The vehicle chassis is composed of four parts: transmission system, driving system, steering system and braking system. The function of the transmission system is to ensure the necessary traction and speed of the vehicle under various driving conditions. The driving system is through the adhesion between the wheel and the road surface, so that the torque from the transmission system into the driving torque of the car; The steering system can control the driving direction of the vehicle according to the wishes of the driver, which is very important to the driving of the vehicle. The braking system allows the moving car to slow down, stop, and maintain a steady speed when going downhill.