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[CN 201610209091.9] Hydraulic servo control system of liquid-filled forming hydraulic press
[CN 201610209091.9] Title of Hydraulic Servo Control System for Liquid-filled Forming Hydraulic Press: Application Number of Hydraulic Servo Control System for Liquid-filled Forming Hydraulic Press: CN 201610209091.9 Applicant: Tianjin Tianforging Press Co., Ltd. Application Date: 2016-4-5 Patent Type: Application for Invention The present invention discloses a hydraulic servo control system for liquid-filled forming hydraulic press, including a booster cylinder and a slider, the booster cylinder is divided into a rod-less cavity, a rod cavity and a high-pressure cavity by the piston, and also includes a man-machine interface, PLC, a first servo valve, a second servo valve, a first pressure sensor, a first position sensor and a second position Sensor, the first pressure sensor detects the pressure of the high-pressure cavity; the first servo valve controls the pressure of the high-pressure cavity, and the second servo valve controls the displacement, the man-machine interface is provided with a parameter setting interface; the PLC receives the set parameter signal from the man-machine interface, and receives the feedback signal from the first pressure sensor, the first position sensor and the second position sensor, and outputs the signal to the first Servo valve and the second servo valve. The invention can achieve high control precision, high yield of the product, while saving materials and working hours, high production efficiency.
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