![K40 Laser Cutter Focus Gauges for 41.3mm air nozzle](https://3dcrawler.ams3.digitaloceanspaces.com/thingiverse/5600669-K40-Laser-Cutter-Focus-Gauges-for-41-3mm-air-nozzle-2284073431.png)
K40 Laser Cutter Focus Gauges for 41.3mm air nozzle
Description
This is designed for an air assit nozzle on a K40 laser cutter of 41.3 depth leaving a 9.5mm gap between the outlet of the nozzle and the 50.8mm Focal length of the lens. ENGR is for surface raster engraving 1C to 10C refers to material thickness for cutting (in mm). These gauges should put the focal point of the beam halfway through the material being cut and not focused on the surface.
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