The Technique of Air Pressure Control of Air Compressor in Plasma Cutting
Currently plasma cutting opportunities in the market select different working gases based on cutting material and thickness, and air plasma cutting is the most widely used. Selecting an air compressor to provide auxiliary gas to complete the cutting process is a common choice. There are two reasons for choosing an air compressor: On the one hand, the use of air plasma cutting is low in cost; on the other hand, the quality of air plasma cutting is relatively stable and reliable.
When the air plasma is used as the working gas in CNC plasma cutting machines, due to various factors, other high or low levels may occur. How do these phenomena occur? How should we deal with it? The following Wuhan Yiba Numerical Control Technology Co., Ltd. will answer for you:
One, high pressure
Causes: improper input air conditioning, excessive air filter pressure regulator or air filter pressure regulator failure;
Solution: Check if the air compressor pressure is properly adjusted and if the pressure of the air compressor and the air filter regulator is out of adjustment. After starting up, if the rotary air filter pressure reducing valve adjusts the switch, there is no change in the gauge pressure, indicating that the air filter pressure reducing valve is out of order and needs to be replaced.
Second, the air pressure is too low
Cause: The input air is not enough, and the piston may be too low in the air pressure regulator of the cutting machine, there is oil in the solenoid valve, and the air path is not smooth;
Solution: observe the output pressure of the air compressor before use, if not meet the requirements, you can adjust the pressure or overhaul the air compressor; if the input air pressure has reached the requirements, you should check the air filter pressure regulator adjustment is correct, gauge pressure display Whether it can meet the cutting requirements, otherwise the daily maintenance of air filter pressure reducing valve should be done to ensure that the input air is dry and free of oil; if the input air quality is poor, it will cause oil pollution in the solenoid valve, the valve core will be difficult to open, and the valve port cannot be fully opened. In addition, torch nozzle gas pressure is too low, you need to replace the solenoid valve; air passage cross-section smaller will cause the air pressure is too low, according to the instructions to replace the trachea.
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