How to prevent overheating during hydraulic press use

Compared with the traditional stamping process, the hydraulic forming process of the hydraulic press is one of the development trends of manufacturing technology in the fields of automobile industry and aerospace. It reduces weight, reduces the number of parts and molds, and increases stiffness and strength. In short, the accuracy of the hydraulic press used for each precision machined part determines the accuracy of the part.

But measuring the accuracy of hydraulic presses only with dynamic accuracy is not very accurate. This is because the strength of the press itself has a great influence on the stamping accuracy, and it has a wide range of uses and consumption functions. This press can be widely used in cutting, punching, blanking, sawing, riveting and forming processes. If the strength of the hydraulic press itself is low, the press will deform the moment it reaches the stamping pressure, and decide to apply a large pressure to the metal blank to plastically deform and break the metal to form the part.

How to prevent the hydraulic press from overheating?

1. When the pump, cylinder and other hydraulic components are worn, the hose should be firmly clamped and positioned and replaced. Due to increased leakage from worn parts, the pump will deliver full flow for long periods of time and the oil will cause a large pressure drop through the narrow leakage gap. The increase in slow flow output time also increases fluid friction. Therefore, the time during which the force is generated will increase the temperature of the oil.

2. Keep the external and internal parts of the oil system clean. Contaminants outside the system are used to isolate and prevent normal oil cooling. Contaminants inside the system can cause wear, oil leaks, and heat generation.

3. Be sure to check the hydraulic oil level of the wire drawing groove of the hydraulic press. If the oil level is too low, the system will not have enough oil to dissipate the heat.

4. Regularly replace the filter element of the steel hydraulic press to avoid clogging the filter.

5. If the oil return pressure is too high, it is also one of the reasons why the oil temperature is too high. The cause of the increase in standby pressure should be checked and ruled out.

6. Regularly check the water cooler of the hydraulic press drawing machine, and regularly descale the water cooler.

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