Why Can't Hydraulic Oil Be Used As Lubricating Oil?
Hydraulic oil is the hydraulic medium used in the hydraulic system which uses the hydraulic pressure energy. It plays the role of energy transfer, anti-wear, system lubrication, anti-corrosion, rust prevention, cooling, sealing and so on. Hydraulic oil is a kind of special oil for transmitting pressure It can be divided into commonhydraulic oil, anti-wear hydraulic oil and low pour point hydraulic oil.
The hydraulic oil of construction machinery is a special oil for hydraulic system developed according to the actual working environment requirements of construction machinery and die-casting machine. Compared with other hydraulic oil, the hydraulic oil of construction machinery has better anti-wear, anti rust, anti emulsification, anti-oxidation safety, hydrolysis stability and thermal stability.
The same and different points of mechanical hydraulic oil and lubricating oil:
Same points:
Lubricating oil and hydraulic oil also have the functions of anti-wear, cooling, rust prevention, cleaning and
sealing. This is also the main reason that we often hear about the use of hydraulic oil as lubricating oil.
different affect:
In the main role, lubricating oil and construction machinery hydraulic oil are different. The main function of lubricating oil is to reduce the damage to machinery caused by object friction; the main function of hydraulic oil of construction machinery is to transfer pressure (power).
Different emphasis:
Because of their different main functions, lubricating oil pays more attention to the function of reducing friction, slowing down wear and preventing metal sintering; while hydraulic oil pays more attention to viscosity index, which requires hydraulic oil to have good performance at high temperature to ensure easy flow and reduce energy consumption at low temperature.
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