Features of pneumatic system (advantages and disadvantages)

1、 Advantages of pneumatic system

(1) Applicability most factories and workshops have compressed air sources in the working area, and mobile compressors can be used in further occasions.

(2) Store compressed air of large capacity easily as required.

(3) The design and control of simple use of pneumatic components is a simple design, so it is easy to adapt to the control of simple automatic systems. Compared with the hydraulic transmission, the pneumatic transmission has the advantages of quick response and quick action. Generally, only the required pressure and speed can be established; therefore, it is particularly suitable for the automatic control of the system. It is convenient to adjust and control. It can not only form a full pneumatic control circuit, but also combine with electric and hydraulic pressure to realize hybrid control.

(4) The selection of motion pneumatic components is easy to realize the linear and rotary motion of stepless speed regulation.

(5) Economic because the price of pneumatic components is appropriate, the cost of the whole set of devices is low, and the service life of pneumatic components is long, so the maintenance cost is low.

(6) Reliability pneumatic components have a long working life, so the system has a high reliability.

(7) To a large extent, the poor environmental adaptability of compressed air is not affected by high temperature, dust and corrosion, which is beyond the reach of other systems.

(8) Clean environment pneumatic components are clean and have special exhaust air treatment methods, which can be installed in the standard clean workshop.

(9) Safety will not cause fire in dangerous places. If the system is overloaded, the actuator will only stop or slip. The pneumatic actuator will not heat up.

2、 Disadvantages of pneumatic system

(1) Due to the compressibility of air, the movement stability is slightly worse when the load changes.

(2) Because of the low working pressure, it is not easy to obtain large output force or torque; therefore, pneumatic transmission is not suitable for heavy-duty system.

(3) There is a large exhaust noise.

(4) Because the air has no lubrication performance, it is sometimes necessary to set oil supply lubrication device in the air circuit.

(5) The signal transmission speed of pneumatic device is only within the range of sound speed, which is slower than optical and electrical signals, so it is not suitable for the occasion with high requirements of signal transmission speed. At the same time, it is difficult to realize the remote control of the production process.

(6) There is a leak in the pneumatic system, which is a loss of energy. A certain amount of leakage is also allowed. However, leakage should be minimized.