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Chapter: Mechanical - Automobile Engineering - Steering, Brakesa and Suspension Systems

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Steering Gear Boxes

There are various types of steering gear boxes are available in automobile.

Steering Gear Boxes;

 

The steering gears converts the rotary motion of the steering wheel into the to-and-fro motion of the link rod of the steering linkages. Moreover it also provides necessary leverage so that the driver is able to steer the vehicle without fatigue.

 

There are various types of steering gear boxes are available in automobile.

 

·        Worm and Wheel steering gear box,

·        Cam and double roller steering gear box,

·        Worm and nut steering gear box,

 

·        Recalculating ball type steering gear box,

·        Rack and pinion steering gear box,

 

Power steering

 

 

In automobiles, power steering (also known as power assisted steering (PAS) or steering assist system) helps drivers steer by augmenting steering effort of the steering wheel.

 

Hydraulic or electric actuators add controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions. Power steering helps considerably when a vehicle is stopped or moving slowly. Also, power steering provides some feedback of forces

 

acting on the front wheels to give an ongoing sense of how the wheels are interacting with the road; this is typically called "rοad feel".

 

Representative power steering systems for cars augment steering effort via an actuator, a hydraulic cylinder, which is part of a servo system. These systems have a direct mechanical connection between the steering wheel and the linkage that steers the wheels.


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