How to prevent hydraulic oil in the hydraulic machine from being contaminated

The causes of the hydraulic oil pollution of the hydraulic press are numerous and complex, and the hydraulic oil itself is continuously generating the waste. Therefore, it is very difficult to solve the problem of the pollution of the hydraulic oil. In order to prolong the life of hydraulic components and ensure reliable operation of the hydraulic system, it is more practical to control the degree of contamination of hydraulic oil within a certain limit.

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In order to prevent oil pollution, the following measures should be taken in practical work.

1. Keep the hydraulic oil clean before use. Hydraulic oil is subject to external contamination during transportation and storage. The newly purchased hydraulic oil looks very clean, and it is actually very dirty. It must be put into the hydraulic system after filtration for a few days.

2. Keep the hydraulic system clean after assembly and before operation. Hydraulic components must be cleaned during processing and assembly. The hydraulic system should be cleaned after assembly and operation to be cleaned with the oil used in the system work. The tank must be completely sealed except for the vent hole when cleaning. The seals must not have flash or burrs.

3. Keep the hydraulic oil clean during operation. The hydraulic oil will be contaminated by the environment during operation. Therefore, air and moisture should be prevented from immersing. In order to completely eliminate the infiltration of water, gas, and pollutants, seal the oil tank and add air vents. air filter.

4. Take the appropriate oil filter. This is an important means of controlling the contamination of hydraulic oil. According to the requirements of the equipment, different filtering methods, different accuracy and different structure of the oil filter should be selected in the hydraulic system, and the oil filter and fuel tank should be regularly checked and cleaned.

5. Change the hydraulic oil regularly. Before replacing the new oil, the tank must be cleaned once. When the system is dirty, it can be cleaned with kerosene, such as new oil after exhaustion.

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