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GUOMAT air spring manufacturers decrypt the preferred air spring for damping
GUOMAT air spring manufacturers decrypt the preferred air spring for damping
Speaking of the word "shock absorption", I believe that everyone is no stranger, especially in the automotive industry. Shock absorbers or airbags are an indispensable part of auto parts. In order to make the car smoother and more comfortable during driving, some industrial equipments need to be shock-absorbing. Some people may ask why it is necessary to use air springs for shock absorption instead of using leaf springs for shock absorption? This is undoubtedly because the air spring is better than the leaf spring. It is well known that more and more countries use air springs or air bags instead of the original leaf springs. Where is the air spring better than the leaf spring?
In order to let everyone better understand the gap between them, we analyze the gap between them in terms of comfort, economy, safety and reliability.
First, comfort
Due to the change in the sprung mass of the leaf spring suspension, the natural frequency of the vehicle system changes greatly, resulting in overall comfort deviation. Air springs have obvious effects on vibration, shock, etc. because of their typical nonlinear stiffness. Experimental data shows that in the same state, vehicles using air spring suspension systems are reduced by one-third to one-half compared to vehicles using leaf spring suspension. Under the action of the height valve, the air spring suspension system can ensure that the height of the vehicle body is basically constant even if the vehicle changes under load, and the variation of the offset frequency is relatively small, thereby ensuring the comfort under full load. Air springs can meet different loading and unloading requirements and improve vehicle passability. It can be seen that the comfort of the air spring suspension is about 30% higher than that of the leaf spring suspension.
Second, economic
As far as the life of the tire is concerned, the truck truck with leaf springs is usually replaced once when the tires are driven for 50,000 kilometers. If the air springs are replaced, the tires are usually replaced after 100,000 kilometers, which improves the life of the tires. above 50. Canadian research institutes have conducted many years of follow-up studies on a number of logistics companies, showing that vehicles using air springs consume 3% to 5% less fuel than vehicles using leaf springs. The use of an air spring suspension system can improve the reliability of the vehicle, reduce the failure rate of the vehicle electrical system, reduce the maintenance cost of the vehicle, prolong the service life of the vehicle, reduce the impact on the road surface, and reduce the maintenance cost of the road. It can be seen that the economics of the air spring suspension is 20% higher than that of the leaf spring suspension.
Third, security
For multi-axle vehicles, the air suspension ensures that the load between the shafts is uniform, which avoids the full load of the single bearing in the leaf spring suspension. For a single axis, the air suspension basically ensures that the forces on the wheels on both sides of the vehicle are evenly distributed. The air spring suspension allows the tire to be kept in pure rolling contact with the ground, which basically achieves the best braking effect. It can be seen that the air spring suspension is safer than the leaf spring suspension.
Fourth, reliability
The components of the air spring suspension have been subjected to harsh fatigue tests in foreign laboratories and reliability tests in harsh environments, and have been verified by many customers for many years of actual vehicle operation. The use of air springs improves the reliability of systems such as chassis and body appliances, overcomes rigid contact and friction, and not only mitigates the impact between components but also greatly increases system reliability. It can be seen that the air spring suspension is more reliable than the leaf spring suspension.
In summary, we can use the air spring to absorb the shock instead of using the leaf spring to absorb the shock.
