Air Compressor For Laser Cutting

When choosing compressor you need to consider if it will be able to constantly provide desired pressure and Air Compressor For Laser Cutting china volume of air. Small airbrush compressors small compressors boast impressive pressure figures but really poor flow rates adequate only for airbrush pistols. Actually if small compressor can push enough air it will likely overheat in couple of minutes.

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

it was 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, but it had to operate all the time and overheat badly within 5 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 can run at constant ~2bar (31psi) without concern with overheating since compressor engine is not on on a regular basis. Using reserve atmosphere in tank we can also push 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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