I have been trying to engrave both leather and leatherette patches on my Creality Falcon2 40W diode laser. Changing the speed and/or power has not changed the cutting at all. It is cutting all the way through the patches no matter what settings I have. Did I miss some other setting? I did change the laser to the precise setting at 22W which is what they recommend for simple engraving. Still goes all the way through.
It’s not the overall wattage that is interesting. What speeds and power level did you use?
I started with the suggested 3810 and 75 which is what lightburn defaulted to. I have changed it from 3810 down to 200 and up to 15000 in speed and from 0 to 100 power. All setting changes result in exactly the same outcome of cutting through the patch. I have done about 25 tries, all the same.
IMO, 22 W is still too much. With my 10 W laser, I would try 6000 mm/min at 50 % max. (I haven’t tried leather yet, but this already marks visibly plywood, for example.)
So with your 40 W laser, I wouldn’t exceed 10-12 % of power, around this speed.
Have you tried to make a material test? High speed, very low power ranges.
LightBurn does not suggest anything, it’s just arbitrary values filled into the fields when not used before.
Show a picture how it looks like. If you changed to below 10% power and still cut the patches, the laser is not regulating power, I guess.
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