The hydraulic system transmission technology of the hydraulic cutting machine has developed rapidly since the birth of the eighteenth century. Today, hydraulic transmission equipment is widely used in various industries, especially in modern large-scale production lines and engineering machinery. Hydraulic transmission technology has its incomparable advantages. This is the main factor for its rapid development. At the same time, hydraulic transmission equipment has its fragile side, among which the low anti-pollution ability is a prominent weakness. To maintain the normal and reliable operation of the hydraulic system, the entire hydraulic system must be kept clean.
Contaminants mixed into the hydraulic system of the hydraulic automatic cutting machine will accelerate the wear, burn, and appreciation of the hydraulic components, or cause the valve to malfunction or cause noise; the pollutants will block the orifices or throttle gaps of the hydraulic components, changing The working performance of the hydraulic system causes misalignment or even complete failure, resulting in accidents and accidents; dust particles in the hydraulic cylinder will accelerate the damage of seals, strain on the inner surface of the cylinder, increase leakage, insufficient thrust or action Instability, crawling, and speed decrease. It produces abnormal sound and vibration, and can also cause the filter screen to be blocked. It is difficult for the hydraulic pump to suck oil. Poor oil return can cause cavitation vibration and noise. When the blockage is severe, the filter screen will be penetrated due to excessive resistance and the filtering effect will be completely lost. , Causing a vicious cycle of the hydraulic system.
There are many reasons for the pollution of the hydraulic system. From the perspective of the mechanism of pollution, it is divided into two types: the latent pollutants during the production and installation process are mostly solid particles such as swarf, burrs, molding sand coatings, abrasives, welding slag, embroidery pieces and dust They are more harmful to the hydraulic system of the cutting machine, and they must strengthen the management of this and the stage to ensure that the installed hydraulic system can operate safely and reliably.