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What is the function of a car chassis?

2 Answers

LeAndres

07/24/25 11:43pm

The function of a car chassis is to support and install the car engine and its various components and assemblies, forming the overall shape of the car. It receives the power from the engine, enabling the car to move and ensuring normal operation. The car chassis is another important component besides the engine. The chassis consists of the transmission system, running gear, steering system, and braking system. The transmission system is generally composed of the clutch, gearbox, universal transmission device, main reducer, differential, and half-shaft. The function of the transmission system is to transfer the power generated by the car engine to the driving wheels. The transmission system has functions such as deceleration, speed change, reversing, power interruption, inter-wheel differential, and inter-axle differential. Working in coordination with the engine, it ensures the normal operation of the car under various working conditions, providing good power performance and fuel economy. The running gear consists of the car frame, axle, wheels, and suspension. The function of the running gear is to receive the power from the transmission system and generate traction through the interaction between the driving wheels and the road surface, enabling the car to operate normally. It bears the total weight of the car and the reaction force from the ground, mitigates the impact of uneven road surfaces on the car body, dampens vibrations during driving, and maintains smooth operation.

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Calvin

08/10/25 3:29pm

I think the role of the car chassis is particularly crucial. As a driver who commutes daily, I feel that the chassis serves as the foundational skeleton of the entire vehicle. It not only supports the weight of the body, engine, and passengers but also absorbs shocks on bumpy roads, making the ride more comfortable. The chassis connects the wheels through the suspension system, and when I take turns, it distributes centrifugal force to prevent rollover accidents. During emergency braking, the stability of the chassis helps me reduce skidding distance. I remember once on a slippery mountain road, the chassis design allowed me to maintain steady control of the vehicle and avoid slipping. It also integrates steering and braking components, ensuring responsive handling. In short, the safety and support functions of the chassis make every journey smooth and worry-free.

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