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When choosing compressor you should consider if it will be able to constantly provide Air Compressor For Laser Cutting desired pressure and volume of air. Small airbrush compressors little compressors boast amazing pressure figures but actually poor flow rates adequate limited to airbrush pistols. Actually if small compressor would be able to push enough air it will likely overheat in short while.

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

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

Third and current compressor we got was 6cfm rated belt driven unit with 13 gallon tank which is filled to ~100psi. With this unit we are able to run at constant ~2bar (31psi) without concern with overheating since compressor engine is not on at all times. Using reserve surroundings in tank we are able to also press up to 3.5bar (50psi) for short jobs.

The best setup for me will be compressor rated to >6cfm, large 70+ gallons tank rated to 10bar (140psi) and software air control via solenoid valve.