Chassis And It’s Components In Automobile System

Chassis And It’s Components In Automobile System

A chassis is a physical frame or structure of an automobile, an airplane, a personal computer, or any other multi-component device.

Components of the chassis

The various components and their location in a vehicle are:

Engine yields power needed to move the vehicle at the desired speed, overcoming the external resistances. This could be a SI engine or CI engine or gas engine.

Radiator is a device that is used to re-cool the hot engine cooling water for recirculation purpose. The radiator is connected by rubber hoses to the engine, to permit the cooling system water to circulate between them.

Clutch isolates the engine from the transmission system as when needed. It also allows the vehicle to be started from rest, smoothly and with jerks.

Gearbox helps the torque of the needed amount at the driving road wheels. Whenever the resistance to be overcome by the vehicle changes, the gear ratio is to be changed. The gear box serves precisely the purpose. The gearbox also helps to reverse the vehicle.

Universal joints cum propeller shaft transmit the torque from the gearbox shaft to the final drive. The gearbox is generally attached to the vehicle frame. The final drive, differential and rear axle are connected to the frame by means of springs. As the tyres of the vehicle hit bumpers on road, the rear axle moves up and down. The universal joints help the propeller shaft to attain different inclination.

Final drive transmits the torque from the longitudinal universal joints cum propeller shaft to the transverse driving half axle shafts and the wheels. The final drive also multiplies the driving torque.

Differential allows the driving wheels on the two sides of the vehicle to rotate at the same speed when moving over a straight road and at different speeds whenever the vehicle makes a turn.

Half-axle drive shafts transmit the driving torque from the final drive and differential unit to the driving road wheels.

Frame-supports the engine, vehicle body, wheels and other components.

Spring and wheels transmit the vehicle load from the frame to the road.

Special dampers slow the resultant oscillations of the springs when the wheel hits bumpers.

Electrical system consists of a battery, starting motor, generator, and controls, and in case of a spark ignition power plant the engine ignition system and lighting arrangement.

Controls in a vehicle are steering system, brake system, engine control and power train control.

Steering system changes the direction of motion of the vehicle by turning the front wheels.

Brake system ensures safe driving. With this, the vehicle can be stopped quickly, or slowed down while going down a slope. The brakes are connected to the brake pedal or lever by ways of mechanical, hydraulic or air operated devices.

Engine control is the mechanism that permits a variation in the revolutions of the engine crankshaft as the demands.

Power train control boils to engage and disengage the clutch and the gearbox. These controls, hence, make the speed and torque variation possible.

We conclude now.

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