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Hi everyone:
recently I got a laser cutter from https://www.cncworld.nl/co2-laser-plotter-40w-max-40-x-40cm-air-assist-red-point-p-122.html
I use always 30% power and cutting speed is 10mm/s. I...

I am curious is it working now? there is black burn mark on my 40w laser tube's lowervoltage connector...the machine still able to cut, but the connection got more and more burnned. so i stopped...