Digital hydraulic extruder speed control system and method
A technology of speed control and extruder, applied in the control equipment of metal extrusion, metal extrusion, manufacturing tools, etc., can solve the problems of being susceptible to interference signals in harsh environments, low precision, and easy to be interfered by the outside world. Achieve the effect of improving anti-interference ability and reliability, improving control accuracy, and simple and clear structure
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[0036] Example 1
[0037] A digital speed control system for a large hydraulic extruder includes: a speed setting device, a speed measuring device, a control unit, and a speed adjusting mechanism. The control unit compares the actual speed measured by the speed measuring device with the speed given by the speed setting device, and obtains the speed control execution signal and outputs it to the speed adjustment mechanism. The speed adjustment mechanism adjusts the water throttle valve through the "oil control water" method The opening degree of the valve core realizes the closed-loop control of the extrusion speed of the hydraulic extruder.
[0038] figure 1 Describes the present invention-the overall structure of a large-scale hydraulic extruder speed control system: the system includes: speed setting device, speed measurement device, control unit, speed adjustment mechanism, etc. The functions of each part are briefly described as follows:
[0039] Speed setting device: It is c...
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