On holes with a lead out this happens before the plasma power supply is able to perform an orderly shutdown of the arc.
Change torch read on plasma gutter.
Use one hand to hold the torch and support the machine using the other hand.
Setting the voltage too high results in more material being removed from the top of the kerf than the bottom.
For you to get a clear and even edges the torch nozzle must keep continuous contact with the work surface until you finish cutting.
Torch height has the greatest affect on bevel angle of the plasma cut piece.
Plasma cutter torch head assembly for your portable plasma cutter easy plasma cutter torch upgrade for cut 40 or cut 50 plasma cutters or any plasma cutter.
My thought is 100 or whatever for a different torch that improves the cut now or 750 for a different machine.
Once the torch has completed cutting the perimeter of a hole the leftover center slug will drop out.
Simply put it can expose the torch nozzle to a lot of slags and damage it quickly.