58-103-11 Main reduction gear oil seal（103-11/19）
A rubber oil seal is a device that prevents the leakage of lubricating oil and the intrusion of dust and water in a mechanical system. It is usually made of synthetic rubber and metal components, and has a circular shape with a lip that contacts the rotating shaft.
One of the applications of rubber oil seals is in the main reduction gear of small wheel-side reduction axle for loaders and articulated four-wheel forklifts. A wheel-side reduction axle is a type of axle that has a planetary gear mechanism at each wheel hub, which reduces the speed and increases the torque of the drive shaft. A main reduction gear is located at the center of the axle, which further reduces the speed and increases the torque of the input shaft from the transmission. A rubber oil seal is installed at the end of the main reduction gear housing, where it seals the gap between the housing and the output shaft.
The function of the rubber oil seal in this application is to prevent the leakage of lubricating oil from the main reduction gear housing, and to prevent the intrusion of dust and water from the outside environment. The leakage of lubricating oil can cause insufficient lubrication, friction, wear, and overheating of the gears and bearings, which can reduce the performance and service life of the axle. The intrusion of dust and water can contaminate the lubricating oil, cause corrosion, rust, and abrasion of the metal parts, and damage the rubber material of the seal.
The rubber oil seal for this application needs to have good sealing performance, high temperature resistance, wear resistance, chemical resistance, and durability. It also needs to have proper dimensions, shape, hardness, elasticity, and installation method to fit the specific design of the main reduction gear housing and output shaft. The selection of rubber material, metal components, and manufacturing process are important factors that affect the quality and performance of the rubber oil seal.
A rubber oil seal is a simple but essential component in a mechanical system. It plays an important role in protecting the main reduction gear of small wheel-side reduction axle for loaders and articulated four-wheel forklifts from oil leakage and external contamination. By choosing a suitable rubber oil seal for this application, one can ensure the smooth operation and long service life of the axle.
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