Germany neuhaus elektronik seals neuhaus elektronik models neuhaus elektronik prices

neuhaus elektronik seals are materials or components that prevent fluid or solid particles from leaking between adjacent mating surfaces and prevent external contaminants such as dust and moisture from entering machinery. The recommended storage temperature for seals is below 30 °C to avoid high-temperature aging. Seals are classified into static seals and dynamic seals. Their main function is to prevent fluid or solid particles from leaking between adjacent mating surfaces and to prevent external contaminants such as dust and moisture from entering machinery. Static sealing refers to the tight closure of sealed chambers and containers, or seals used for letters and wills.

neuhaus elektronik seal principles

An oil film controlled by the lip of the oil seal exists between the oil seal and the shaft. This oil film has fluid lubrication characteristics. Under the action of liquid surface tension, the stiffness of the oil film causes a meniscus to form at the interface with air, preventing leakage of the working medium and thus achieving sealing of the rotating shaft. The sealing capability of an oil seal depends on the thickness of the oil film on the sealing surface. If the thickness is too great, the oil seal will leak; if it is too small, dry friction may occur, causing wear on the oil seal and shaft. If there is no oil film between the sealing lip and the shaft, overheating and wear are likely. Therefore, during installation, some oil must be applied to the sealing ring, and the skeleton oil seal must be kept perpendicular to the shaft axis. If not perpendicular, the sealing lip will wipe the lubricating oil off the shaft, leading to excessive wear of the sealing lip. During operation, it is ideal for a slight amount of lubricant to seep out from the housing to maintain an oil film at the sealing surface.

neuhaus elektronik seal functions

The general function of a skeleton oil seal is to isolate lubricated components in transmission parts from output components, preventing lubricating oil leakage. It is typically used on rotating shafts and is a type of rotating shaft lip seal. The skeleton acts like rebar in concrete components, providing reinforcement and allowing the oil seal to maintain its shape and tension. Based on the skeleton type, they can be classified as inner skeleton oil seals, outer skeleton oil seals, and exposed inner/outer skeleton oil seals. Skeleton oil seals are made from high-quality nitrile rubber and steel plates, offering stable quality and long service life. They are widely used in automobiles and motorcycles on crankshafts, camshafts, differentials, shock absorbers, engines, axles, front and rear wheels, etc. 1) Prevent sand, dust, water vapor, etc., from entering bearings from the outside; 2) Restrict lubricating oil leakage from bearings. Requirements for oil seals include dimensions (inner diameter, outer diameter, and thickness) that comply with specifications; appropriate elasticity to properly grip the shaft for sealing; heat resistance, wear resistance, high strength, media resistance (to oil, water, etc.), and long service life.

neuhaus elektronik seal functions and applications

Engine: Crankshaft – front and rear crankshaft oil seals; Valve – valve oil seals (engine repair kit o O-rings) (distributor oil seal, water pump oil seal, balance shaft oil seal, oil pump oil seal...); Camshaft – camshaft oil seal; Transmission: Transmission – front and rear transmission oil seals; Shift lever oil seal (transmission repair kit o O-rings) (Transfer case – front and rear transfer case oil seals); Rear Axle: Half-shaft – rear half-shaft oil seal; Differential – (front/rear) pinion oil seal; Rear wheel oil seal; Front wheel oil seal; Steering gear oil seal (steering gear repair kit o O-rings); Power steering booster oil seal (front half-shaft oil seal). Oil seals are required wherever a rotating housing contains liquid lubricating oil and connects to the exterior. Some are made of rubber, some of metal, but most are steel-reinforced rubber, such as rear crankshaft oil seals, front and rear transmission oil seals, left and right half-shaft oil seals, front final drive oil seals, and compressor crankshaft oil seals.

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