I want to follow up on this post. I have since return to cutting .500 material and it has improved 100% especially my edges. Here is my settings:Feed 35, Pwr. 4000, Freq. 700, Duty 75, Press .08, Kind 1, Nozzle gap .0600, offset .0085, Edge 0, Approach 0, Focal Point -0.031 and I am using 1.4mm...