Balanced wheels are installed on the car. During the operation of the car under the influence of various reasons, the balancing of the wheels can be disturbed, which is manifested in the appearance of vibration of the steering wheel.
Wheel imbalance leads to increased wear of the steering parts, tires and suspension of the car, therefore, if an imbalance occurs, the wheels should be re-balanced. Steering wheel vibration due to wheel imbalance occurs in a certain speed range and disappears when the speed decreases or increases. In addition, wheel balancing is necessary after fitting a new tire and after each tire repair.
Static imbalance of wheel A (pic. 10.7) It manifests itself in the fact that the weight of individual parts of the wheel relative to the axle has a different mass. In this case, if the wheel is mounted on a freely rotating axle, the wheel will turn in such a way that the heavier part of the wheel will always be at the bottom. A wheel with a static imbalance may bounce when the vehicle is moving, which will lead to rapid wear of the shock absorber.
Dynamic imbalance of wheel B (pic. 10.7) only happens when the wheel is spinning fast. If present, a heavier section of the wheel is located on the side relative to the average section of the wheel and, when the wheel rotates, leads to its rocking, which leads to accelerated failure of the hub bearing and suspension elements.
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