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[CN 201721699778.1] control device of press machine
[CN 201721699778.1] Title of a press control device: Application number of a press control device: CN 201721699778.1 Applicant: Wuhan Feishi Motion Control System Co., Ltd. Application Date: 2017-12-8 Patent Type: Utility Model The utility model relates to a press control device, including at least one servo motor for driving the press, as well as motion controllers and servo drivers with the same number of servo motors, the servo driver is electrically connected with the servo motor in one-to-one correspondence, and drives the corresponding servo motor to rotate. All servo drivers are electrically connected with the motion controller, and the driving current signal of the corresponding servo motor is fed back to the motion controller. The servo motor is installed with an encoder, which is electrically connected with the motion controller through the corresponding servo driver, and feeds back the position signal of the corresponding servo motor to the motion controller. The press control device provided by the utility model realizes the torque closed-loop control and position closed-loop control of the press without adding pressure sensors and position sensors, and the torque feedback delay and position feedback delay are low, and the control accuracy is high.
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