In our daily use of machine tools in the maintenance of hydraulic system due to improper give users the harm caused by or under the quite big, we discuss how to maintain machine hydraulic system in order to prolong the service life.

Pneumatic press hydraulic system is an extremely easily with the system, the pollution of hydraulic system will accelerate the hydraulic components, and even wear burns or causes of action, or valve caused by noise, Pollutants will block the hydraulic components or throttle orifice aperture, change the performance of hydraulic system, movement disorders, even completely failure caused by accidents misoperation, Dust particles in the hydraulic cylinder seals will accelerate the damage, the inner surface of cylinder, leakage, strained thrust insufficient or not stable, creep, speed, produce abnormal sound and vibration, May also cause filter clogging pump, oil absorption, oil and gas unsmooth, vibration and noise, jams because of excessive resistance when serious breakdown, completely lost will filter filter, create a vicious circle of hydraulic system.

From the above we can see the normal operation of the hydraulic system is a good technical condition machine. When the machine, after using period of time of hydraulic oil viscosity indexes can be affected, oil will decline, the cleanness of comparative for some of the hydraulic valves precision will produce significant negative effect, wear should be in accordance with the provisions in about one month precipitation of the hydraulic oil filter, once three months time change once, so can improve the service life of hydraulic components, solenoid valve, pressure on the throttle valve, and pressure relief valve and check the work, specially to relay on gauge dithering over ± 0.5 * 105Pa circumstances must stop using, with a clean gasoline purge valve core, make its normal work.
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