Analysis of the extrusion sealing principle of rubber seals: the key to ensuring smooth operation of equipment

Rubber seals play a key role in the industrial and mechanical fields. They ensure the sealing performance of the equipment during operation through the squeeze sealing principle. This article will provide an in-depth introduction to the extrusion sealing principle of rubber seals to reveal its indispensable role in maintaining the normal operation of equipment.

1. Overview of rubber seals

Rubber seals are usually made of rubber materials, which are elastic and wear-resistant, so they are widely used to prevent liquid or gas leakage while providing effective sealing performance. Squeeze sealing is one of the common sealing principles, which is based on the elastic deformation of rubber materials to achieve effective sealing.

2. Squeeze sealing principle

2.1 Material selection

The extrusion sealing principle of rubber seals first relies on the selection of appropriate rubber materials. These materials usually have a high elastic modulus, allowing them to elastically deform under the action of extrusion force and quickly return to their original shape. Common rubber materials include nitrile rubber, propylene rubber and silicone rubber.

2.2 Design structure

The design structure of the seal is critical, taking into account the direction and extent of the extrusion force. Generally speaking, the shape and cross-section of the seal should be able to adapt to changes in extrusion force to ensure effective sealing under different working conditions.

2.3 Installation and extrusion

In actual use, rubber seals are installed at the sealing interface of the equipment. When the device is assembled or tightened, extrusion forces act on the seal. This squeezing force causes the rubber seal to elastically deform, forming a tight and reliable seal between it and the interface.

2.4 Sealing effect

The extrusion sealing principle achieves the sealing effect through elastic deformation. After the rubber seal is squeezed, it fills the gap between the interfaces to prevent leakage of liquid or gas. This not only ensures the sealing performance of the device, but also helps prevent external contaminants from entering the system.

3. Advantages of extrusion seal

The extrusion sealing principle has many advantages. First, it is suitable for a variety of sealing interfaces, providing flexibility and versatility. Secondly, due to the good elasticity of the rubber material, the sealing effect is long-lasting and reliable. In addition, the extrusion sealing principle can also adapt to a certain temperature and pressure range, allowing it to function under different working conditions.

4. Conclusion

The extrusion sealing principle of rubber seals is one of the keys to ensuring the normal operation of industrial equipment. By choosing the right rubber material, designing an effective structure, and following a reasonable installation process, extrusion seals can not only provide excellent sealing performance, but also extend the service life of the equipment and reduce maintenance costs. In practical applications, engineers who fully understand the principles of extrusion sealing will be able to better select, design and maintain rubber seals to ensure continued efficient operation of equipment.

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