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[CN 202111342277.9] Control system and control method of stretching pad of hydraulic press
[CN 202111342277.9] A Control System and Control Method of Hydraulic Press Stretching Pad Title: A Control System and Control Method of Hydraulic Press Stretching Pad Application Number: CN 202111342277.9 Applicant: Chongqing Jiangdong Machinery Co., Ltd. Application Date: 2021-11-12 Patent Type: Application of the Invention The present invention belongs to the technical field of hydraulic press stretching, and specifically discloses a control system and control method of hydraulic press stretching pad, including man-machine interface touch screen, motion controller, analog output module, displacement sensor, pressure sensor, servo valve, servo pump, servo driver and servo motor; The man-machine interface touch screen is used to set and display the control parameters of the motion controller in real time. The analog output module is used to control the rotation speed of the servo driver and the opening of the servo valve. The servo driver is used to drive the servo motor. The displacement sensor is used to collect the displacement of the upper cylinder and transmit it to the motion controller; the pressure sensor is used to collect the pressure value of the servo valve control port and the stretching cylinder and transmit it to the motion controller; the servo motor is used to drive the servo pump; the servo pump and the servo valve ensure the oil inlet of the stretching cylinder under the control of the motion controller Pressure. The above system can meet the requirements of fast response, stable pressure and small pressure overshoot of the compressor stretching pad.
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