Hydraulic closed-loop system of CNC bending machine

Hydraulic closed loop system of CNC bending machine

A fully closed-loop electro-hydraulic servo sheet metal bending machine includes a frame, main oil cylinders located on both sides above the frame, a vertical plate located at the lower part of the frame, a mechanical deflection compensation workbench located on the upper side of the vertical plate, and a mechanical deflection compensation workbench located on the upper side of the vertical plate. The slider above the plate and the CNC system located on the frame are characterized in that they also include a hydraulic system and a servo motor connected to the CNC system, and an oil pump connected to the servo motor; the hydraulic system and the oil pump, The oil cylinders are connected; the oil cylinder piston rod of the oil cylinder is connected to the slider; the pressure value is fed back to the servo driver in a closed loop through the machine tool, and the servo driver controls the system pressure by adjusting the speed of the oil pump motor to achieve full closed loop control.

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