Torch stays fired until full retract of 1"

Lately i’ve noticed my torch has been staying on after completing a loop until the torch retracts to the 1" height above material. Thus creating a large hole at the end of the loop. has anyone had this issue and know how to correct the torch not shutting off at the end of the loop before it retracts to the travel height.

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What software are you using for CAM software? Do you have over-cut turned on in it?

What plasma cutter are you using?

Generally this is because the cutter is set to 4t mode instead of the 2t mode required for CNC cutting.

There have been some issues reported with Titanium 45 plasma cutters having a delayed shutoff.