Air Compressor For Laser Cutting

When choosing compressor you need to consider if it will be able to constantly provide desired pressure and volume of air. Small airbrush compressors small compressors boast impressive pressure figures but actually poor flow rates enough only for airbrush pistols. Even if small compressor would be able to push enough air it’ll likely overheat in short while.

Our laser cutter came with small membrane pump (Smallest on the picture), I do not know very well what specifications it has but blast of air was very weak. It is sufficient if all you have to to do is engrave, although also then we got substantial smoke traces around engraved picture.

it had been rated for level of ~2.4cfm and had a 1 gallon container which can be filled to 58 PSI. It were able to give us continuous 1 bar (14 PSI) of pressure, nonetheless it had to operate all the time and overheat badly within five minutes.

Third and current compressor we got was 6cfm rated belt driven unit with 13 gallon container which is filled to ~100psi. With this unit we are able to run at constant ~2bar (31psi) Air Compressor For Laser Cutting without fear of overheating since compressor engine isn’t on at all times. Using reserve air in tank we are able to also push up to 3.5bar (50psi) for short jobs.

The best setup in my opinion would be compressor rated to >6cfm, huge 70+ gallons tank rated to 10bar (140psi) and software air control via solenoid valve.

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