Hi everybody,
I recently received an order for some plexiglass keychains I designed, (100) and I was so happy since it's one of my first jobs, so I setup my file, and prepare to cut the first 30 of them from the first sheet.
I set the recommended speed and power, and since I have an Epilog Zing with just 30W of power, prepare for a LONG wait (raster+vector cut=more then 20 minutes).
In the raster part everything goes smooth, then it starts to cut, and after some time (30% of the cutting) I can hear the integrated fans in the laser that start to go faster. And even faster around 60%.
The job finishes, I extract the plexiglass and see that only the first 30% was clean cut all the way through, the other 30% had to be pushed to separate and the remaining 30% had almost 1mm of uncut depth so I had to throw them away..
After some minutes the fans return to the normal frequency and the machine has always operated perfectly since then. I have a fume extractor and an air assist pump.
Since then I started to give my machine a break in long vector cut jobs, thinking that's not what it was built for (just 30W), and maybe the overheating affects the laser power or maybe the machine lower the power for NOT overheating.
Is that normal?