In some applications that require high position or speed accuracy, we can also form a closed-loop control system by detecting the displacement or speed of the actuator. Electrohydraulic synchronous bending machine is such a working principle. <br><br>The proportional valve is composed of a DC proportional electromagnet and a hydraulic valve. The core of the proportional valve to achieve continuous control is the use of proportional electromagnets. There are many types of proportional electromagnets, but the working principle is basically the same. They are all developed according to the needs of proportional valve control.
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