How to deal with the problem that the fluorine rubber sealing ring is not connected?

How to deal with the problem that the fluorine rubber sealing ring is not connected?

Fluorine rubber sealing ring is a kind of rubber ring with silica gel as raw material and circular cross section. Because its cross section is O-shaped, it is called fluorine rubber sealing ring. It has been widely used in machine tools, ships, automobiles, Aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and various instruments and meters. In the production process of fluorine rubber seals, sometimes we will encounter some more difficult problems, such as fluorine rubber seals are not connected after forming, the following is to share the reasons and solutions for fluorine rubber seals not connecting after forming. method.

1. The mold temperature of the fluorine rubber seal ring is too low: too low mold temperature will cause the problem that the fluorine rubber seal ring is not connected after forming. The solution is to adjust the temperature of the upper and lower molds of the vulcanizer appropriately.

2. Excessive pressure of the fluorine rubber seal ring: If the pressure is too high, the fluorine rubber seal ring will not be connected after forming, so the solution during the operation is to increase the appropriate amount of rubber, and then reduce the point. pressure.

3. Too little rubber material for fluorine rubber sealing ring: Too little rubber material, generally adding rubber material can be solved, but there will be the wrong feeling that the product size will become larger if the material is added. In fact, the size reduction is not completely solved by reducing the material. You can also reduce the size of the product by reducing the pressure and increasing the mold temperature.

4. The self-demolition of the mold is too sharp and sharp: the mold can be sandblasted, which is equivalent to a sanding of the self-demolition. But it’s best not to do this, because this is a set of silicone sealing ring molds, which require very high mold self-disassembly. The silicone molding mold will wear out during continuous use. If you deliberately sandblast and polish, wait for it later. It is very difficult to remove the edges.

To sum up, fluorine rubber seal ring is a kind of silicone product that is extremely widely used. The most common cause of fluorine rubber seal ring not connecting after forming is caused by too thin burrs, and secondly, the mold temperature during the production process. , Pressure, too little rubber and other factors. Therefore, it is recommended to solve the problem that the fluorine rubber rod seal is not connected after forming in the fluorine rubber sealing ring manufacturing process. It should be solved according to the actual situation. Do not blindly deal with it. The loss of money also affects production efficiency.

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