Guangdong Jicheng Hydraulic Machinery Co., Ltd.

What should be paid attention to for the long-term operation of the hydraulic system of the hydraulic press?

What should be paid attention to for the long-term operation of the hydraulic system of the hydraulic press?

1. Prevent air from mixing into the system and exhaust the air mixed into the system in time. Air into the hydraulic system, will cause noise and oil oxidation deterioration and other adverse consequences, must take measures to prevent air mixing, and often mixed into the system of air discharge.

2, always keep the oil clean. Impurities mixed in the oil will cause the slide valve to jam, block the throttle hole or gap, and cause the hydraulic components to fail to work properly, and increase the wear of the relative moving parts. In addition to the installation of oil filter and various devices to prevent external impurities from mixing into the system, the oil filter should be cleaned regularly and the old oil should be replaced. In the hydraulic system assembly, to clean the various hydraulic components and pipes. After the test run, it is best to remove the components and pipes, carefully clean them and then install them.

3, to prevent leakage. External leakage is not allowed, internal leakage is inevitable, but the leakage can not exceed the allowable value, if the leakage is too much, the pressure will not rise, the hydraulic motor can not reach the expected force (or torque). And the size of the oil leakage is related to the pressure, which will make the movement of the working parts unstable. In addition, due to excessive leakage, the volume loss increases and the oil temperature rises. In order not to cause excessive leakage, there should be an appropriate gap between the relative moving parts and an appropriate sealing device should be installed.

4, to prevent the oil temperature is too high. The oil temperature of the general hydraulic system is suitable to maintain 15~50 ℃. High oil temperature will bring a series of adverse consequences. The rise of oil temperature will make the oil thinner, the leakage will increase, and the system efficiency will decrease. Oil works at higher temperatures and is prone to deterioration. To avoid the oil temperature is too high, in addition to the design to take measures to avoid oil heating (such as oil pump unloading and the use of volume speed control methods for high-power systems, etc.), but also consider whether the tank has sufficient heat dissipation capacity. If necessary, additional cooling device.

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