Price List: Hydraulic Oil
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Replacing the old hydraulic oil in Plastic Injection Molding Machines
In principle, the hydraulic oil should be changed every 5,000 machine operating hours or at most one year. No matter how good the hydraulic oil is, after being used for a certain period of time, the worn metal and rubber particles of pumps and other moving parts will enter the oil, which will cause the formation of sludge and dirt. During the normal maintenance, some pollutants will stick to the parts and be brought into the hydraulic oil.
Even if the hydraulic oil is used correctly, it is generally considered that its service life is one year, up to two to three years. Once it deteriorates, it is required to be replaced with new oil without hesitation. Good oil quality is the cornerstone to maintaining the stability of the hydraulic system..
Hydraulic oil is filled with a special oil filter truck instead of a pumping unit refitted with a pump. The author has seen many simple oil pump trucks refitted with pumps, which pump wastewater and waste oil, and also add new oil..
The pump that has pumped wastewater and oil has no filter screen, and the dirtiest impurities lurk in the pump and pipeline, which are mixed with the new oil and added into the oil tank. The author has used boxes many times to observe that the new oil that has just started pumping contains a lot of pollutants. These pollutants will only pollute the new oil and damage the pump and valves..
The precision of the filter screen of a professional oil filter truck is usually 125um (micron), and there are generally two filter screens, double protection filtering, to protect the cleanliness of oil products..
