195-61-41230 SEAL
There are various seals in bulldozers used to prevent fluid leakage such as lubricating oil and hydraulic oil, as well as to prevent external pollutants such as dust and soil from entering the interior of the components, in order to ensure the normal operation of various components and systems and extend their service life. For example, floating oil seals are used in the support wheels, sprocket wheels, and other components of tracked bulldozers to prevent lubricant leakage and impurities from entering the bearing area. In addition, various seals such as O-rings, piston seals, and rod seals are installed in the hydraulic system's cylinders, steering cylinders, and other parts to maintain system pressure and ensure stable hydraulic operation. Bulldozer seals are important components used to prevent fluid leakage inside bulldozers and prevent external pollutants from entering. They are usually made of materials such as rubber, polytetrafluoroethylene (PTFE), and metal, and have high pressure resistance, wear resistance, temperature resistance, and chemical corrosion resistance.
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It belongs to a type of mechanical seal in dynamic sealing, generally composed of a floating ring made of iron alloy material and a matching nitrile rubber O-ring seal. It is mainly used for the dynamic sealing of the walking mechanism of bulldozers, such as the end face of planetary reducers, which can maintain super strong sealing performance in harsh working environments such as coal powder, sediment, and water vapor. The principle is to generate a compressive force on the floating ring sealing end face through the deformation of the O-ring seal under axial compression, and as the sealing end face wears, the elastic energy stored in the O-ring seal is gradually released, playing an axial compensation role.
It is a high-performance sealing component typically composed of a PTFE slip ring filled with polytetrafluoroethylene (PTFE) and a rubber O-ring. It can be divided into hole use and shaft use, and can maintain good sealing effect under high, medium, low pressure, heavy load, and high frequency working conditions. In bulldozers, it is mainly used in hydraulic cylinders, pumps, motors and other parts of the hydraulic system to prevent hydraulic oil leakage, ensure stable pressure and normal operation of the hydraulic system.
Mainly made of rubber, used for low-speed rotating applications in bulldozers, such as gearboxes and pumps. It forms an oil film around the shaft to prevent oil leakage inside the machine and protect it from external pollution. Its material and cross-sectional geometry are carefully designed according to different application scenarios to ensure durability and sealing performance.
O-ring seal
It is a sealing component with a circular cross-section, made of rubber, and has the advantages of simple structure, easy installation, and low cost. Widely used in bulldozers, it can be used for static and dynamic sealing of various components such as engines and hydraulic systems, such as pipeline connection parts, hydraulic cylinder end cover sealing, etc., to prevent fluid leakage.
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