Air Compressor For Laser Cutting

When choosing compressor you have to consider if it can 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. Also if small compressor would be able to push enough air it’ll Air Compressor For Laser Cutting likely overheat in couple of minutes.

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

it was 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 constant 1 bar (14 PSI) of pressure, nonetheless it had to run on a regular basis and overheat badly within 5 minutes.

Third and current compressor we got was 6cfm rated belt driven device with 13 gallon container which is filled to ~100psi. With this unit we can run at constant ~2bar (31psi) without fear of overheating since compressor engine isn’t on on a regular basis. Using reserve atmosphere in tank we are able to also force up to 3.5bar (50psi) for short jobs.

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

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