Suspension swing arm and lower swing arm difference.
Upper swing arm and lower swing arm are two important components in automobile suspension system. Their main differences are as follows:
1. Different positions: the position of the upper swing arm and the lower swing arm are different. The upper swing arm is located in the upper part of the suspension system and connects the frame and wheel bearings; The hem arm is located at the lower part of the suspension system and connects the wheel bearings to the main body of the suspension system.
2, bear different forces: due to different positions, the upper swing arm and the lower swing arm bear different forces. The upper swing arm mainly bears the upward force of the vehicle and the backward force during braking; The lower swing arm mainly bears the downward force and forward force of the vehicle.
3. Different shapes: Due to different positions and forces, the shapes of the upper and lower swing arms are also different. Under normal circumstances, the upper swing arm is relatively strong, in the shape of a cross arm, connected to the frame and wheel bearings; The lower swing arm is slender and longitudinal, connecting the main body of the wheel bearing and suspension system.
4, the impact on the suspension system is different: due to the position and the bearing force is different, the impact of the upper swing arm and the lower swing arm on the suspension system is also different. The upper swing arm mainly affects the damping effect of suspension system and the maneuverability of vehicle. The lower swing arm mainly affects the position and Angle of the wheel, which has an important impact on the stability and comfort of the vehicle.
The function of the suspension swing arm is: 1, as the guide and support of the suspension, the suspension deformation will affect the wheel positioning and reduce the stability of the driving. 2, maintain the stability of the direction when driving, avoid steering wheel shaking.
The role of the car swing arm is:
1, the main role is to support the body and shock absorber, and play a role in the shock absorber drive to buffer vibration, shock absorber can play a good auxiliary role on the lower suspension;
2, the lower swing arm is responsible for supporting weight and steering, the lower swing arm has a rubber sleeve, plays a fixed role, and connects the shock absorber;
3, if the rubber sleeve is broken, it will make an abnormal noise, the damping effect becomes worse, the weight becomes heavier, and the pendulum arm will be broken seriously, and the vehicle will be out of control resulting in accidents, such as damage is best replaced in time.
The specific role of the swing arm is to guide and support the suspension, and its deformation affects the wheel positioning and reduces the driving stability. If there is a problem with the front swing arm, the feeling is that the steering wheel will shake, and it is easy to run off after loosening the steering wheel, and it is difficult to master the direction at high speed. If the above phenomena are not obvious, it is not necessary to replace and just re-do the 4 rounds of positioning stable direction.
Front swing arm: it is the guide and support of the suspension, and its deformation affects the wheel positioning and reduces the driving stability. Hem arm: Its main role is to support the body, shock absorber. And buffer the vibration during driving. The shock absorber can play a very good auxiliary role in the lower suspension. The combination of shock absorbers and springs makes for an excellent suspension system.
Car swing arm, also known as the lower suspension, its important function is to support the body, while effectively filtering out bumps brought by the road, so as to provide a more comfortable driving experience for passengers in the car. Under normal circumstances, as long as the vehicle is used properly, the swing arm is not easy to damage. However, as the vehicle gets older, especially after it has travelled about 80,000 kilometres, we recommend that it be replaced to prevent the ageing of the vehicle from affecting its normal use.
It is worth noting that if the vehicle deviate, body shaking and other abnormal phenomena occur during the driving process, this is likely to be a signal of damage to the car swing arm. At this time, the vehicle should be sent to the repair shop or 4S shop as soon as possible, inspected and repaired by professionals to ensure driving safety.
In the daily use of the car, we also need to pay attention to the following points: First of all, we should regularly check the status of the car swing arm, once the swing arm is found to have rust, we should go to the repair shop in time for rust removal treatment, so as not to affect its performance. Secondly, when passing complex sections, it is necessary to slow down to avoid the swing arm being damaged by strong turbulence on the chassis. Finally, after replacing the swing arm, in order to ensure the stability of the vehicle, it is also necessary to adjust the four-wheel positioning of the vehicle.
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