Actually up to about 1/8" cuts nicely with a 40A tip and set at 40A. Kerfs are smaller, less dross and speeds can be cranked down some which makes for less stress on the machine and the operator!
Low speed Dross is usually easy to remove and looks worse than it is. High speed dross is tighter and harder to remove. One of the purposes of the anti-dive setting in MACH under THC is to keep the head from diving into the work as the machine (naturally) slows down motion at the sharp turns or a direction change.
I am cutting 11ga at 90 to 100IPM with a 40A tip and setting. I get consistant 1/16" gaps at a target volt setting of 138VDC and good cuts. The dross is all loose and easy to scape off with a swipe of a low-angle (wood cutting type) chisel. |