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How to choose hydraulic oil for a three-beam four-column hydraulic press
The three-beam four-column hydraulic press is a hydraulic device that transmits kinetic energy through hydraulic oil. Whether the selection of hydraulic oil is correct is directly related to the performance of the four-column hydraulic press. According to the additive components added to the base oil, there are general hydraulic oil, wear-resistant hydraulic oil, rail hydraulic oil, low temperature hydraulic oil, etc.
When selecting the hydraulic oil of the three-beam four-column hydraulic press, different types of hydraulic oil should be selected according to the system pressure of the press, the working environment and temperature of the hydraulic press; even the same type of hydraulic oil should be selected under different ambient temperatures with different viscosities. of hydraulic oil.
Determine certain properties of the oil used, such as viscosity, density, vapor pressure, air solubility, bulk modulus, flame resistance, temperature boundary, pressure boundary, lubricity, compatibility, and filter or equip hydraulic fluids as needed After the liquid is removed, there will be no problems with the hydraulic system of the four-column hydraulic press.
However, the properties of the oil will change when it is not used in practice. For example, the viscosity of the oil at a certain temperature and pressure is a certain value, which has nothing to do with the active conditions.
Regarding the oxidation and thermal stability of the hydraulic oil used for a long time, the oxidation and thermal stability of the hydraulic oil are the factors that determine the temperature boundary. Therefore, during the storage, transfer and oil supply of the hydraulic oil below the oxidation temperature, oil pollution should be avoided. Check the regular sampling of the oil, and the oil storage in the oil tank is sufficient, which is conducive to the heat dissipation of the oil system.
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