Factors that affect the speed of the hydraulic system of hollow brick machine

Today, we simply look hollow brick hydraulic system run faster, this time we need to understand what the hydraulic system operating speed of key components, that is, the electromagnetic proportional throttle. Feature is the system pressure exceeds a set value to open the relief, the overflow; proportional valve can be adjusted in proportion to the flow of the overflow, more sophisticated control of the system.

Hollow brick machine plc programming in program by setting the P, I and D values ​​of these three parameters can use the proportional valve regulating the degree of valve opening, the control system of each phase flow demand.

As a result of proportional control, precision fluid through the addition of a suitable filter control. Proportional throttle valve opening degree by its control signal to achieve control. Proportional throttle valve characteristic decision: it is not in the control signal is a digital signal, but an analog signal. Each analog signal value corresponding to a valve opening degree, brick machine that is the area flow orifice differential proportional valve export certain circumstances, cement brick opening of the valve port holes directly determines the cross-sectional area, such desired flow corresponding decision by the control signal.

Thus, the proportional throttle valve in its adjustment range can be achieved by controlling the signal that we need to adjust any traffic, to meet the various stages of the work requirements of the actuator. Also, because we can control the input signal to the hollow brick machine valve opening, so the valve commutation process, we can reasonably control the signal to reduce the cement brick machine hydraulic system commutation shocks.

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