What Are The Reasons For The Temperature Rise Of The Hydraulic Press?

The status and role of hydraulic presses in the national economy and national defense construction are very important. Its development determines the improvement of the performance of electromechanical products. What are the reasons for the temperature rise of the hydraulic press?
1. The volume of the oil tank is too small, and the heat dissipation area is not enough; there is no oil temperature cooling device installed, or although there is a cooling device, the capacity of the cooling device is too small.
2. When the quantitative pump oil supply system with oil pump capacity selected according to the fast forward speed is working, most of the flow will be under high pressure, and the heat will be caused by the overflow of the overflow valve;
3. The unloading circuit in the system is faulty, or the unloading circuit is not set. When it stops working, the oil pump cannot unload normally, and the entire flow of the pump overflows under high pressure, resulting in overflow loss and heat generation, resulting in excessive temperature rise of the equipment.
4. The system pipeline is too thin, too long, and has too many bends, and the local pressure loss and the pressure loss along the way are too large.
5. The accuracy of the components is not enough, and the quality of the equipment is very poor. During relative movement, the mechanical friction loss is relatively large.
6. The fit gap of the fittings is too small, or the gap is too large after wear and tear, and the internal and external leakage is large, resulting in volume loss. For example, the volumetric efficiency of the pump is reduced and the temperature rises too fast.
7. The working pressure adjustment of the hydraulic system is much higher than the actual need. Sometimes it is because the seal is too tight, or the seal is broken, and the leakage increases, so the pressure has to be increased to work.