When the hydraulic system is mixed with air, it is easy to reduce the volumetric efficiency of the hydraulic pump and the energy loss is large, which makes it difficult for the hydraulic system to play its due efficiency. It is easy to produce noise, vibration and creeping phenomenon, which reduces the stability of the system. Cavitation, cavitation, damage of parts and sealing materials. Will make the hydraulic oil thermal conductivity worse, oil temperature rise, cause chemical changes.
When the oil seal and sealing ring are damaged or the joint is loose, it is very easy to inhale air. It is necessary to ensure that the hydraulic system and the oil tank are well sealed, and tighten the joints in time to prevent the outside air from mixing in. In order to prevent the pipeline connecting the system and the oil suction pipeline from being worn or corroded and mixed with air, and reduce external corrosion, the structure of the hydraulic system should be reasonably designed and optimized, so as to rationalize the pipeline layout and keep the pipeline clean. When refueling, it is necessary to be careful that bubbles are brought into the oil tank and mixed into the system. In use, it is necessary to check whether the oil level of the oil tank is normal to avoid the phenomenon of suction. At the same time, it is necessary to check the oil condition to avoid the deterioration of the oil.
