For laser cutting with compressed air on the sp500 there are additional copper nozzles with a hole diameter of 1 7mm for the short nozzles.
Laser cutter air assist nozzle.
The palletized system also provides 90 psi air for the purge and nozzle cooling requirement.
The first and most obvious way to install an air assist into your k40 laser engraver would be to purchase a premade nozzle for your laser lens with a built air assist port from a manufacturer.
Installation is simple slide this nozzle over your existing lens assembly tighten the included set screw and hookup.
Self contained palletized source for providing enough air assist gas for cutting parameters that require up to 275psi at a nozzle of up to 0 100 diameter.
With these nozzles you can simply get a small air compressor and the correct sized flexible hose that will attach directly to the air intake port on the.
Same with the laser too much smoke or other obstacles the power will go down and the quality with it.
Due to the extremely small diameter the airflow is directed into the kerf in an even more targeted manner.
The laser beam works similar to your headlights on the car too much fog and the visibility goes down.