WAYS TO IMPROVE THE ANTIOXIDANT PROPERTIES OF HYDRAULIC OILS FOR GROUND EQUIPMENT
Keywords:
hydraulic systems, hydraulic oils, physical and chemical properties, additives, zinc dithiophosphate, research, flash point, alkaline number, flash point.Abstract
This article suggests ways to improve the antioxidant properties of hydraulic oils by using additives. Physico-chemical and operational properties of modern hydraulic fluids are significantly improved by the introduction of functional additives into them - antioxidant, anticorrosive, anti-wear. An increase in the antioxidant properties of hydraulic oils is achieved by introducing antioxidant additives.
We conducted a study of samples of MG-32 industrial oils with the addition of zinc dithiophosphate DPZn-11 additives. To do this, the main indicators of MG-32 base oil were determined in accordance with GOST 305-2013 in laboratory conditions. Then preliminary experiments were carried out to determine the effectiveness of the additives. From the results of the analysis, we selected the content of DPZn-11 additives of 1.5%, which shows the optimal value of viscosity and flash point.
The results of laboratory studies of oils with an additive based on zinc dithiophosphate DPZn-11 and recommendations for their use are given.
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