ESVP (Electro-hydrostatic Pump Unit) series servo pump control bending machine control unit, after a long period of continuous exploration and practice, for the cnc bending machine industry to develop servo motor and two-way internal gear pump combination of control of the bending machine servo pump control system, the use of servo motors and two-way internal gear pumps are connected to the servo motor through the numerical control system to control the servo motor’s speed to accurately control the output of the pump flow of hydraulic fluid, the control of bending machine synchronisation of the two cylinders, to achieve the slider position of the precise control of the speed of downward movement faster, more efficient, simple installation, energy saving and environmental protection.

Features:

• The use of servo motors, so that the system in the work gap low energy consumption, the distribution of oil is basically on-demand distribution, no throttling loss of energy-saving effect is excellent, compared with the traditional three-room asynchronous motor models, energy saving rate of 70%, can achieve the true meaning of energy saving.
• low temperature rise, in the ambient temperature of 38 ° C, the continuous working oil temperature does not exceed 50 ° C, reduce the risk of oil leakage, higher stability, improve the service life of the hydraulic system components and cylinders.
• the use of bidirectional gear pumps, so that the whole machine noise is more reduced, in the machine tool at the highest speed operation, the noise value does not exceed 60 dB
• The positional accuracy of the slider or the precision of the workpiece is not lower than that of the proportional valve control system, or even higher. After the actual test, the repeated positioning accuracy of the slider ± 0.01mm, the highest accuracy of 0.005mm.
• The amount of oil is reduced by 70% compared with the model.
• Equipment manufacturers to install more simple, eliminating the motor, oil pump, tank cleaning, piping and other complex installation procedures, reduce labour costs, significantly improve the installation efficiency.
• Higher efficiency, compared with the efficiency of the model up to 30%, 125T, for example, the return height of 50, the slider a cycle time of about 2.8 seconds, the return height of 100 in the case of a cycle time of about 3.4 seconds.
• Equipment to use the user economy is better, more cost-effective: the same equipment capacity to enhance the use of the process of substantial savings in power consumption and hydraulic oil costs.

  

  

  

  

  

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