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. Little airbrush compressors little compressors boast impressive 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 couple of minutes.

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

it had been rated for volume of ~2.4cfm and had a 1 gallon tank 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 at all times 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 can run at continuous ~2bar (31psi) without concern with overheating since compressor engine is not on constantly. Using reserve air in tank we can also press up to 3.5bar (50psi) for brief jobs.

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

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