Abstract
Pressure regulators in the field of pneumatic mechanisms can be used as valves for saving compressed air. For example it can be used to reduce the pressure when the piston rod is retracting unloaded and thus it is possible to save some energy. However the problem is that saving valve can significantly affect the dynamics of the pneumatic system. The lower pressure in the piston rod chamber causes extension of time for retraction of the piston rod. This article compare the air consumption experimentally determined and calculated, measured curves of pressure in cylinder chambers and piston speed when saving valve is set up differently.
Highlights
Pressure regulators, known as pressure reducing valves, are used to reduce the pressure in pneumatic circuits
Typical example is that the valve reduces higher pressure of compressed air in tank to lower working pressure of pneumatic circuit
In this case pressure regulator is installed in a combined assembly of filter, regulator and sometimes lubricator
Summary
Known as pressure reducing valves, are used to reduce the pressure in pneumatic circuits. Typical example is that the valve reduces higher pressure of compressed air in tank to lower working pressure of pneumatic circuit. In this case pressure regulator is installed in a combined assembly of filter, regulator and sometimes lubricator. This combined valve ASR allows speed control by throttling valve during the extension stroke and reducing the pressure in the piston rod chamber during piston rod retracting. ASR valve may be supplemented by ASQ valve, which is used to control the speed at the beginning of the extension stroke and vice versa when retracting the ends. Function of both valves is described in [2]
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