The increase in oil temperature will accelerate the oxidation and deterioration of hydraulic oil, and the acidic substances generated by oxidation will cause corrosion of metal components..

After selecting a suitable hydraulic oil, management and maintenance are very important during use, and the following points should be noted.(1) Environmental conditions: mainly based on ambient temperature; (2) Working conditions: oil pump type, working pressure, temperature, speed, oil and metal, adaptability of seals and coatings, system operation cycle and working characteristics, etc.; (3) ) The nature of high speed bearing hydraulic oil: the physical and chemical indicators, performance and characteristics of the oil; (4) Economy: the price and service life of the oil. ①

Prevent hydraulic oil from being contaminated: The biggest hazard of pollutants is to cause corrosion of equipment, block filters and orifices, accelerate oil aging and corrosion of components; ② Prevent air mixing: mixing air will cause cavitation, Noise and premature deterioration of the hydraulic oil, affecting the use; 　③ Prevent water mixing: the mixing of cooling water and steam will corrode the metal in the hydraulic system, accelerate the deterioration of the oil, and reduce the lubricity of the hydraulic oil; 　 ④ control Operating temperature of hydraulic oil: For mineral oil hydraulic oil, it can work continuously at 50-65℃, and the highest operating temperature is 120-140℃

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