Air Compressor For Laser Cutting

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

Our laser cutter was included with little membrane pump (Smallest on the picture), I do not know what specifications it has but stream of air was Air Compressor For Laser Cutting extremely weak. It is enough if all you want to do is engrave, although even then we got substantial smoke traces around engraved picture.

it had been rated for volume of ~2.4cfm and had a 1 gallon container which may be filled to 58 PSI. It managed to give us constant 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 can run at continuous ~2bar (31psi) without concern with overheating since compressor engine is not on all the time. Using reserve surroundings in tank we can also push up to 3.5bar (50psi) for brief 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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