> I'll put a microcontroller on the board together with the sensors. We mostly use 0805 and that works OK, I've picked 0603's, if I were going to run a lot of 0603's I would check belt tension and check the centering jaws, mine has a lot of miles on it, if yours has less wear you may be fine You can see why we're so excited about OpenPnP ! We bought a couple of these PM460 machines for spare parts, ends up the spare parts machines are probably better than the one we've been using, so it's still running the original hardware/software until we have OpenPnP fully running on the spare machine. I have always guessed the machine warmed up, belts stretched, etc. Go back and set all the feeders again, recheck pcb fudicial, and probably good for another 20 to 25 panels, so probably 6000+ parts. This will run OK for a few runs, depending on the job size, we run about 4 panels with about ~300 parts, so ~1200 parts then it starts missing pickups. If you are using the original electronics, it kind of struggles with everything ! we usually go through and set each feeder before starting a job, check the pcb fudicial and set the pcb X and Y offsets.
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