Circuit Design and Development Trend of CNC Hydraulic Press

The numerical control hydraulic machine controls the main pressure control circuit or the output pressure of the pump. The pump also includes a pressure regulating circuit, where the supply pressure is the state of the main control circuit and the no-load circuit. In addition, for the secondary pressure control circuit, the numerical control hydraulic machine also generates one pressure and another pressure, most of which include pressure decompression, or through a booster circuit.

For the third time, through the third circuit of the CNC Hydraulic Press, most of the executed components are pressure controlled, or can maintain the pressure, or control the pressure according to the torque. Most of the content mentioned above is used in the actual hydraulic control circuit.

For the pressure control circuit of a numerically controlled hydraulic press, the above three types can be used. The single-stage pressure regulating circuit of the relief valve of the CNC hydraulic machine, which is the basic pressure regulating circuit of the safety valve, in which the opening pressure of the relief valve can be passed through the pressure regulating spring valve.

Secondly, if the pre-pressure of the spring valve of the CNC hydraulic machine is adjusted according to the pressure of the safety valve, The highest value of oil supply pressure can be set. To

  • (1) High speed, high efficiency, and low energy consumption. Improve the working efficiency of hydraulic presses and reduce production costs.
  • (2) Integration and standardization of hydraulic components. The integrated hydraulic system of the hydraulic machine reduces pipeline connections and effectively prevents leakage and pollution. Standardized components bring convenience to the maintenance of hydraulic presses. To
  • (3) Automation and intelligence. The rapid development of microelectronics technology provides sufficient conditions for the automation and intelligence of hydraulic presses. Automation is not only embodied in processing, it should be able to realize automatic diagnosis and adjustment of the hydraulic press system, and have the function of fault pretreatment.
  • (4) Mechatronics and hydraulics integration. Make full and reasonable use of advanced mechanical and electronic technologies to promote the perfection of the entire hydraulic system of the hydraulic press.

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