Pneumatic technology uses compressed air as the working medium to transmit energy and signals, and is a technology to realize the mechanization and automation of various production processes.
First, the working principle of the pneumatic system
The working process of pneumatic transmission is to use the air compressor to convert the mechanical energy output by the motor or other prime mover into the pressure energy of the air, and then under the action of the control element, the pressure energy is converted into the mechanical energy in the form of linear motion or rotary motion by the executive element, so as to complete various actions and do external work.
Two, the composition of the pneumatic system
According to the different functions of the pneumatic components and devices, the pneumatic transmission system can be divided into four components
2.1 Air source device
That is, an energy device for obtaining compressed air, the main part of which is an air compressor, and an air source purification device
2.2 Control Components
A component used to control the pressure, flow rate and flow direction of the compressed air flow so that the actuator can complete the predetermined motion law. Including a variety of pressure valves, direction valves, flow valves, stroke valves, sensors and so on.
2.3 Executive Components
An energy conversion device that uses compressed air as the working medium and converts the pressure energy of compressed air into mechanical energy. It includes a cylinder for linear reciprocating motion, a pneumatic motor for continuous rotary motion and a swinging motor for discontinuous rotary motion.
2.4 Auxiliary Components
Devices necessary for purifying, lubricating, silencing compressed air and connecting components. Including water filter, oil mist, muffler and various pipeline accessories
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