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.
Laser cutter air assist nozzle.
Installation is simple slide this nozzle over your existing lens assembly tighten the included set screw and hookup.
Air assist is the help of a air stream keeping the cut or engraving clean from debris and smoke.
This auction is for a brand new 3d printed air assist head for your k40 and similar style laser cutters.
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.
The palletized system also provides 90 psi air for the purge and nozzle cooling requirement.
Due to the extremely small diameter the airflow is directed into the kerf in an even more targeted manner.
Same with the laser too much smoke or other obstacles the power will go down and the quality with it.
The laser beam works similar to your headlights on the car too much fog and the visibility goes down.