õlitihendid

õlitihendid are devices used to prevent the leakage of oil or other lubricants from a mechanical system. They are commonly found in engines, transmissions, pumps, and hydraulic systems. The primary function of an õlitihend is to create a seal between a rotating or reciprocating shaft and a stationary housing. This seal is crucial for maintaining the proper lubrication of moving parts, preventing contamination from external elements like dirt and moisture, and thus ensuring the longevity and efficiency of the machinery.

õlitihendid are typically made from materials that are resistant to oil, heat, and wear, such as rubber, polyurethane, or PTFE (polytetrafluoroethylene). The design of an õlitihend varies depending on the application. Common types include lip seals, which use a flexible lip that presses against the shaft, and mechanical seals, which employ precision-machined faces that slide against each other. The selection of the correct õlitihend is vital and depends on factors like operating speed, temperature, pressure, and the type of fluid being sealed. A failed õlitihend can lead to significant operational problems, including equipment damage and increased maintenance costs. Regular inspection and replacement of õlitihendid are therefore important aspects of preventive maintenance.