Air Compressor For Laser Cutting

When choosing compressor you need to consider if it will be able to constantly provide desired pressure and level of air. Small airbrush compressors little compressors boast amazing pressure figures but really poor flow rates adequate limited to airbrush pistols. Even if small compressor would be able to push enough air it’ll likely overheat in couple of minutes.

Our laser cutter came with little membrane pump (Smallest on the picture), I 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 actually then we got Air Compressor For Laser Cutting considerable 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 constant 1 bar (14 PSI) of pressure, nonetheless it had to operate all the time and overheat badly within 5 minutes.

Third and current compressor we got was 6cfm rated belt driven device 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 all the time. 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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