Company news about What are the causes of lubricant foam? What effects does it cause?

What are the causes of lubricant foam? What effects does it cause?

2023-04-11

A certain amount of air can be dissolved in a lubricant. In general, mineral lubricants generally have a small amount of air dissolved in them, and the air will naturally dissolve into the oil when the lubricant comes into contact with the air in the environment. The amount of air that can be dissolved in a lubricant depends on temperature, pressure, and the solubility of the lubricant itself to air. In general, no adverse effects are caused. When there is a large change in temperature and pressure, the dissolved air will escape, creating bubbles in the oil that would otherwise be free of bubbles. What floats on the surface of the lubricant is foam, and some stays inside the lubricant and becomes air bubbles.

Bubbles and air bubbles can cause lubrication problems, as well as equipment problems. Accelerate the oxidation and deterioration of lubricating oil; destroy the integrity of the oil film, resulting in poor lubrication; increase the compressibility of the oil, such as the hydraulic oil which plays the role of transmission, the compressibility of the hydraulic oil increases to cause equipment operation problems; bubbles are compressed in the high pressure area, generating high temperature, making the oil deteriorate because of high temperature; cause the lubricating oil to overflow; cause equipment cavitation; reduce the cooling of the lubricating oil; affect the stability of equipment operation, etc.

Lubricant oil foam characteristic tester helps us to find out the problem in time and solve it in time to reduce the loss and improve the safety.

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