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How to prevent the temperature from rising too fast when the single-column hydraulic press is running

by:WORLD     2022-08-27
The phenomenon that the temperature rises too fast during the operation of the single-column hydraulic press will affect the life and work efficiency of the single-column hydraulic press. How to prevent it in daily production? Make the single-column hydraulic press run more stably and have a longer service life? WORLD Press Machine Machinery tells you What measures can effectively reduce the temperature of the hydraulic press during the operation of the single-column hydraulic press:












The fundamental reason for the heating of the hydraulic system of the single-column hydraulic press is that the power loss of the hydraulic system is large, and the design error of the hydraulic system is the main reason. There is heat generated by the mechanical friction of the moving components in the hydraulic system, and most of it is brought back to the tank by the hydraulic oil because the oil temperature rises. another reason.












1. According to different load requirements, always check and adjust the pressure of the relief valve of the single-column hydraulic press to make it suitable.

The oil return pipe and the suction pipe of the single-column hydraulic oil tank are too close, the return oil is not cooled, and is immediately sucked into the pump, the oil volume of the oil tank is insufficient, the design capacity of the oil tank is too small, the cooling water volume of the cooler is insufficient, and the oil temperature is abnormal.



2. Reasonably choose the hydraulic oil of the single-column hydraulic press, especially the viscosity of the oil. If possible, use the lowest possible viscosity to reduce viscosity friction losses.

When the hydraulic oil flows in the pipeline, it shows viscosity. When the viscosity is too high, a large internal friction force is generated. When the oil heats up, the resistance of the oil flow increases. When the viscosity is too low, it is easy to leak and the volumetric efficiency of the system is reduced. Therefore, an oil with appropriate viscosity and good viscosity characteristics is generally selected.

The deterioration of the hydraulic oil, the friction of the components themselves in the operation of the equipment, the friction between the components and the hydraulic oil, and the internal friction of the hydraulic oil will cause the failure of the oil to deteriorate and cause the oil temperature to rise.



3. Improve the lubrication conditions of the structural parts of the single-column hydraulic press, reduce friction loss, reduce workload, and reduce heat



4. Improve the assembly quality and precision of the hydraulic equipment and hydraulic system of the single-arm hydraulic press, strictly control the matching clearance of each other, and improve the lubrication conditions.












The design and setting of the pipeline of the single-column hydraulic press system are unreasonable; for example, the pipeline is too thin, excessively bent, and the curvature is too small, which will increase the pressure loss and cause heat.



The design and installation of the hydraulic press system pipeline should not be ignored. The diameter of each pipeline should be designed strictly according to its working pressure and flow rate. If the diameter of the pipe is too small, the flow rate will be too high, and the pressure loss along the way will be too large, which will cause heat generation.



5. Use the sealing material with small friction coefficient to improve the sealing structure of the single-column hydraulic press, reduce the starting power of the hydraulic cylinder of the single-column hydraulic press as much as possible, and reduce the heat caused by mechanical friction loss.



Once it is found that the temperature of the hydraulic system of the single-column hydraulic press is too high, attention should be paid to it and maintenance should be carried out immediately. failures such as falling.

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