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When choosing compressor you have to consider if it can constantly provide desired Air Compressor For Laser Cutting pressure and volume of air. Small airbrush compressors small compressors boast amazing pressure figures but really poor flow rates enough limited to airbrush pistols. Actually if small compressor can push enough air it’ll likely overheat in short while.

Our laser cutter was included with small membrane pump (Smallest on the picture), I really do not know what specifications it has but stream of air was extremely weak. It is sufficient if all you have to to do is engrave, although actually then we got significant smoke traces around engraved picture.

it had been rated for level of ~2.4cfm and had a 1 gallon tank which may be filled to 58 PSI. It were able to give us constant 1 bar (14 PSI) of pressure, nonetheless it had to run all the time and overheat badly within 5 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) without fear of overheating since compressor engine is not on on a regular basis. Using reserve air flow in tank we are able to also drive up to 3.5bar (50psi) for brief 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.