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Steering Shaft
Steering Shaft
Detailed introduction:

The function of steering shaft is to transfer steering torque (applied on steering wheel by driver) to steering gear. It upper part is fixed to steering wheel and the lower part is connected to steering gear. Steering shaft goes through steering column and is supported on bearings & sleeves in column tube. Some steering shafts not only have certain rigidity, but also energy-absorption function to prevent injuries.

Steering shaft assembly is a core part of automotive steering system. Its performance is directly relative to personal safety, so here are several requirements for its design.

  1. Steering shaft should have certain rigidity to transfer steering torque and steering angle from steering wheel to steering gear.

  2. Steering shaft should have energy-absorption function to prevent injuries, due to improved road conditions, increased car speed and stricter road safety rules & regulations.

  3. Steering shaft should have good fatigue resistance to guarantee its service life.

  4. Besides flexible cardan, some steering shafts in modern cars are also equipped with mechanism that can change working angle (transmission direction) and height (axial length) of steering wheel for easier manipulation for different size drivers.

 
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