Advantages and disadvantages of pneumatic components
Release time:
2022-10-28
Source:
Yuanmagnesium
Advantages:
1. The pneumatic device has a simple and lightweight structure, and is easy to install and maintain. The medium is air, which is less flammable than hydraulic medium, so it is safe to use.
2. The working medium is inexhaustible air, and the air itself does not cost money. The exhaust treatment is simple, does not pollute the environment, and has low cost.
3. The adjustment of output force and working speed is very easy. The action speed of the cylinder is generally less than 1M/S, which is faster than the action speed of hydraulic and electrical methods.
4. High reliability and long service life. The effective action frequency of electrical components is about one million times, while the lifespan of general solenoid valves is more than 30 million times, and some high-quality valves exceed 200 million times.
5. Utilize the Compressibility of air to store energy and realize centralized gas supply. It can release energy in a short period of time to achieve high-speed response during intermittent movements. Can achieve buffering. Strong adaptability to shock loads and overloads. Under certain conditions, pneumatic devices can have the ability to maintain themselves.
6. Fully pneumatic control has the ability to prevent fire, explosion, and moisture. Compared to hydraulic methods, pneumatic methods can be used in high-temperature situations.
7. Compressed air can be supplied centrally and transported over long distances.
Disadvantages:
1. Due to the Compressibility of air, the operating speed of the cylinder is liable to change with the change of load. The use of gas-liquid linkage can overcome this defect.
2. When the cylinder moves at low speeds, due to the large proportion of friction in thrust, the low speed stability of the cylinder is not as good as that of the hydraulic cylinder.
3. Although in many applications, the output force of a cylinder can meet the working requirements, its output force is smaller than that of a hydraulic cylinder.
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