Basic design concepts for rubber seals to avoid leakage_Rubber Seal_Rubber Seal Manufacturer

In many rubber seal production processes, the probability of occurrence of defective products is very different, and the phenomenon of leakage in defective products occupies more than half of the probability. In fact, this is very similar to the design concept of pre-production molds. The relationship between the basic design concept of rubber seals to avoid leakage In many rubber seal production processes, the probability of occurrence of defective products is very different, and the phenomenon of leakage in defective products occupies more than half of the probability. In fact, this has a great relationship with the high quality of the design concept of the mold in the early stage of production. Today we will introduce the basic design concept of rubber seals to avoid leakage. The leakage and protection of rubber seals are preparatory work. We should comprehensively consider the working pressure, load, relative motion speed of the hydraulic cylinder, and the level of the ambient temperature and its changes, and choose a rubber seals seal with a suitable structure and material. Parts, properly improve the design and manufacturing quality of the surface of the rubber seal and the quality of the installation of the seal. Enhance the awareness of hydraulic oil pollution protection, and strengthen the supervision and detection of hydraulic oil pollution. After the hydraulic oil is polluted, it should be replaced in time and the storage and storage of the seals should be done well. Only in this way can the leakage of the rubber seals be reduced and the economic benefits of the enterprise be improved. When designing and using rubber seals, in order to avoid leakage of rubber seals, attention should be paid to the specific use conditions and requirements of the hydraulic cylinder, such as load, working pressure, relative movement speed, and ambient temperature and its changes. The rubber seals seal with suitable structure and material can reduce the thickness of the oil film between the seal and the sealing surface to the limit, and reduce the leakage of the rubber seal. Due to processing and assembly reasons, a suitable sealing gap must be left between the relative motion coupling surfaces. At the same time, in order to reduce the assembly resistance of the seal, lithium soap-based grease or hydraulic working oil should be applied to the installation part to avoid plastic deformation and damage such as excessive stretching of the seal, and avoid leakage of the rubber seal. . Enhance the awareness of hydraulic oil pollution protection, strengthen the supervision and detection of hydraulic oil pollution, and replace the rubber seals in time after the hydraulic oil is polluted, thereby reducing the leakage of the seals. When storing rubber seals, the rubber seals should be put into a sealed moisture-proof bag such as Teflon, and the storage date should be recorded, and then stored in a dark place to avoid high temperature or direct sunlight. Poor storage and storage speed up the sealing Leakage due to aging of parts. In order to ensure the dimensional accuracy, surface roughness and shape and position accuracy of the hydraulic cylinder seals, sealing grooves and sealing surfaces, in order to avoid or reduce the damage of the seals, thereby reducing the leakage of the seals. The parts where the hydraulic cylinder seals are installed, such as cylinder barrels, guide sleeves, pistons and piston rods, should have a smooth lead-in angle of 15-30 degrees to facilitate the installation of seals. When installing seals, special sleeves should be placed on their respective parts through external threads or undercuts. In the design, the diameter of the outer thread and the undercut groove is smaller than the inner diameter of the seal, etc. If the seal needs to pass through the surface or hole of the inner thread, the inner diameter of the inner thread or the inner diameter of the hole can be made larger than the outer diameter of the seal or in the Chamfering, etc. at the hole. The above is the basic design concept of rubber seals to avoid leakage, so if the probability of defective products remains high during the production process, you must find the reason for the design of the mold, and I hope it will be helpful to everyone.
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