Time:2023-04-28 11:29:05 Browse: 120
In general, the hazards of oil pollution to the hydraulic system mainly include the following aspects:
1. Contamination and wear of components
Various pollutants in the oil cause various forms of wear of the components, and solid particles enter the gap of the kinematic pair, causing cutting wear or fatigue wear on the surface of the parts. The impact of solid particles in the high-speed liquid flow on the surface of the component causes erosion and wear. The water in the oil and the products of oxidation and deterioration of the oil will corrode the components. Additionally, air in the system's fluids causes cavitation, leading to erosion and destruction of component surfaces.
2. Component blockage and clamping failure
Solid particles block the gaps and orifices of the hydraulic valve, causing the valve core to be blocked and clamped, affecting the working performance, and even causing serious accidents.
3. Accelerate the deterioration of oil performance
The heat energy of water and air in the oil is the main condition for the oxidation of the oil, and the metal particles in the oil play an important catalytic role in the oxidation of the oil. In addition, the water and suspended air bubbles in the oil significantly reduce the motion side effects. The strength of the oil film between them reduces the lubricating performance.
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