What is Automobile Chassis ?
What is An Automobile Chassis?
The word Chassis lies in the French language. Chassis is the main support structure of the vehicle, which is also known as ‘Frame’. It bears all the stresses on the vehicle in both static and dynamic conditions.
The purpose of chassis is to connect all the four wheels with a structure which is rigid in bending and torsion. Every vehicle whether it is a two-wheeler or a car or a truck has a chassis frame.
However, its form obviously varies with the vehicle type. Chassis consists of internal framework that supports the man-made object. It is the under part of the vehicle which consists of frame & running gear like engine, transmission system, suspension system etc.
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The automotive chassis is tasked with keeping all components together while driving and transferring vertical and lateral loads, caused by acceleration, on the chassis through suspension and the wheels. The key to good chassis design is that further mass is away from the neutral axis the more rigid it is.
In most passenger cars through the middle of the 20th century, a pressed steel frame- the vehicle’s chassis – formed the skeleton on which the engine, wheels, axle assemblies, transmission, steering mechanism, brakes and suspension members were mounted.
The body was flexibly bolted to the chassis during a manufacturing process typically referred to as body-on-frame construction. This process is used today for heavy-duty vehicles, such as trucks, which benefit from having a strong central frame, subjected to the forces involved in such activities as carrying freight, including the absorption of the movements of the engine and axle that is allowed by the combination of body and frame.
In modern passenger-car designs, the chassis frame and the body are combined into a single structural element. In this arrangement, called unit-body (or unibody) construction, the steel body shell is reinforced with braces that make it rigid enough to resist the forces that are applied to it.
Separate frames or partial “stub” frames have been used for some cars to achieve better noise-isolation characteristics. The heavier gauge steel present in modern components designs also tends to absorb energy during impacts and limit intrusion in accidents.
Components of Automobile Chassis:
· Frame
· Suspension Mechanism
· Steering Mechanism
· Radiator
· Engine/Clutch/Gearbox
· Propeller Shaft
· Differential
· Braking System
· Battery
· Silencer
Fuel Tank
Functions of Automobile Chassis:
- Supports and bears the load of the vehicle body.
- Provide the space and mounting location for various aggregates of vehicle.
- Supports the weight of various systems of the vehicle such as engine, transmission etc.
- Supports a load of passengers as well as the luggage.
- Withstands the stresses arising due to bad road conditions.
- Withstands stresses during braking and acceleration of the vehicle.
Manufacturers of Automobile Chassis:
Here are some automotbile chassis manufacturers listed below:
Here are some automotbile chassis manufacturers listed below:
- Ford commercial vehicles
- Isuzu commercial trucks
- Ashok Leylands
- TATA commercial vehicles
- Bosch Chassis systems
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What is Automobile Chassis ?
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