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What factors will affect the actual use of fluorine rubber O-rings?

Oct 16, 2020

What factors will affect the actual use of fluorine rubber O-rings?

1. Insufficient precision: Insufficient precision affects the actual use of fluorine rubber O-rings. There are two situations. One is the lack of precision of mechanical equipment, resulting in poor sealing performance, such as poor precision of pump shafts, couplings and other components. As a result, the sealing ring cannot be closely matched, and the quality of the fluorine rubber O-ring itself is not qualified when it is processed, resulting in a decrease in sealing performance.

2. Vibration is too large: If the vibration of the fluorine rubber O-ring is too large, it will cause the sealing performance to fail. In many cases, the reason for the excessive vibration is caused by the unreasonable design of machinery and equipment or the friction of the equipment during long-term operation.

3. The radial displacement of the pump shaft is large: if the fluorine rubber O-ring is required to be sealed, its sealing surface needs to have a specific pressure. If the pump shaft has a large displacement, it will affect the specific pressure. size. As a result, the actual use effect of the seal decreases.

In addition, the axial force of the pump shaft has a relatively large impact on the seals. In many cases, the axial force balance organization of the pump is poorly rigorous during the design, and the process is not in place during production, which leads to the axial force of the pump. The force is not balanced, causing the fluorine rubber O-ring to deform in Gao Wenhua, which greatly reduces the use effect.

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