Properties and friction of hydraulic seals

In the hydraulic seal of the capacitive grid, it is divided into two types: self-sealing clamping type sealing and self-sealing self-tightening type sealing (ie lip sealing). Especially in the case of sluggish crawling motion problems caused by hydraulic seals, which can be influenced in a targeted manner by changing the composition of the raw material. In the whole process of changing the raw materials of rubber seals products, the design staff must firmly grasp the damage of hydraulic seals and the change of extrusion characteristics. Internal leakage will cause the capacity of the hydraulic transmission system to plummet with high efficiency, and the necessary pressure cannot be reached, so that the work cannot be carried out. The fine dust particles that invade the system software will cause or aggravate the damage to the friction pair of the hydraulic parts, deepening and causing leakage. Therefore, hydraulic seals and sealing equipment are a key component of hydraulic machinery. The reliability and service period of its work is a key indicator value for considering the pros and cons of the hydraulic transmission system. In addition to the airtightness, hydraulic seals are all used, so that the airspace between the adjacent two coupling surfaces is controlled below the minimum airspace that the liquid that must be airtight can meet. Today's clear mandate for manufacturers of hydraulic seals (see Figure 1) is to have very good environmental protection properties while increasing work efficiency and system availability. This requirement can be considered in a variety of ways, at least one way is to modify the organic chemical composition of fluororubber products to improve their friction characteristics and improve the overall efficiency of the system software. And the hydraulic seals that bear the dynamic load are also responsible for more onerous daily tasks——Maximize the life of the grease film, reduce friction and prevent leakage. If the friction of silicone rubber products is too large, uneven fitness movement will occur, resulting in more serious crawling movement and stick-slip problems. In addition, seal manufacturers are now more and more inclined to use elastomer materials and thermosetting plastic materials suitable for use in low-viscosity media. Therefore, when hydraulic seals bear high pressure and high temperature loads or are idle for a long time, they do not need to be restarted. It is very prone to crawling motion problems after startup. For example, when the cylinder is turned off and it is turned on again, everything will not work properly because of the lower thrust. In the hydraulic transmission system and system software, rubber equipment is used to avoid the leakage of the medium during work and the intrusion of external dust and dirt. The component that at least plays a role in sealing, namely the hydraulic seal. Exposure will lead to extravagance and waste of media at work, environmental pollution of equipment and natural environment, so as to cause actual operation of mechanical equipment and personal accidents of machinery and equipment. The fine dust particles that invade the system software will cause or aggravate the damage to the friction pair of the hydraulic parts, deepening and causing leakage. Therefore, hydraulic seals and sealing equipment are a key component of hydraulic machinery. The reliability and service period of its work is a key indicator value for considering the pros and cons of the hydraulic transmission system. In addition to the airtightness, hydraulic seals are all used, so that the airspace between the adjacent two coupling surfaces is controlled below the minimum airspace that the liquid that must be airtight can meet.
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