The Main Parts Of The Steering System On The Car
The function of the steering system is to adjust the direction of the vehicle by turning the front wheel. When the steering wheel is rotated the steering column will continue its turning power to the steering gear. The steering gear enlarges this power so that larger moments are generated to drive the front wheels through the steering linkage.
The type of steering system used depends on the car model * (power transfer system and suspension, whether passenger car, commercial and so on) *. The most widely used types now are Recirculating Ball as well as Rack and Pinion.
The steering column consists of a main shaft that forwards steering wheel steering to the steering gear, and a column tube that binds the main shaft to the body. The top end of the main shaft is tapered and jagged, and the steering wheel is tied in place with a nut.
Steering column is also an energy absorbing mechanism that absorbs the thrust of the driver at the time of the collision. Steering column mounted on the body through the bracket column type breakaway so that steering column can shift down at the time of the collision.
In addition to the energy absorbing mechanism, in certain steering column vehicles there is a steering control system. For example, the steering lock mechanism to lock the main shaft, tilt steering mechanism to allow the driver to adjust the vertical position of the steering wheel, telescopic steering to adjust the length of the main shaft to obtain the appropriate position and so on.
The bottom of the main shaft is connected to the steering gear through a flexible joint or universal joint that serves to minimize the shock delivery caused by the state of the road from the steering gear to the steering wheel.
Steering gear not only serves to direct the front wheel, but at the same time also serves as a reduction tooth to increase the moment for steering to be light. For that we need a comparison of the so-called steering gear ratio. Usually the steering gear ratio is between 18-20: 1. The larger the ratio will cause the steering to become lighter but the number of turns will increase, for the same turn angle.
Steering linkage consists of a rod and arm that forwards the power of motion from the steering gear to the front wheels. Although the car is moving up and down, the steering wheel movement should be forwarded to the front wheel racing very precisely (accurately) at all times.
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