Segmented Shaft Seal Ring

产品详情

Segmented shaft seal ring prevents leakage of fluids (oil, grease) and contaminants between rotating shafts and stationary housings in engines, gearboxes, or differentials, maintaining lubrication and protecting internal components. Its segmented construction is composed of multiple interlocking segments, enabling installation without full disassembly of the shaft. The material is typically metal (e.g., steel) or composite with elastomers for flexibility and may include a spring for radial tension. The surface coating is often made of low-friction materials (e.g., PTFE) to reduce wear. Key features include thermal expansion accommodation, allowing segments to expand and contract under temperature fluctuations, pressure resistance to maintain seal integrity under high-pressure conditions, and wear compensation, where segments adjust to minor shaft misalignment or wear over time. Applications include automotive alternators, starter motors, and electric power steering, as well as motorcycles, particularly in starter systems and regenerative braking in electric models. Maintenance involves periodic replacement due to wear, with symptoms including power loss or erratic motor function. High-quality brushes reduce sparking and noise. Summary of benefits: the segmented seal provides ease of installation and durability in dynamic conditions, while the carbon brush ensures reliable current transfer with minimal maintenance. Both components are critical for vehicle efficiency and longevity.

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