So that you do not feel jerks in the steering while driving and steering the machine, the joints of the drive shafts must transmit the flow of force in exactly the same way in all positions of the shock absorbers and steering. This requirement is fulfilled by the so-called homokinetic hinges (constant velocity joints). Their function is based on the reciprocating movement of six balls along specially ground guides when the hinge is bent. Thus, at any possible angle of inclination of the drive shaft, a uniform transmission of force is ensured. On the differential is the so-called movable hinge. It provides the necessary linear compensation, but only tolerates a slight angle of inclination. A rigid hinge is placed on the wheel. Here there is a need not for linear compensation, but for the presence of a large angle of inclination when turning the steering wheel.
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