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Alright, I changed all of the consumables except the ohmic cap (don't have another one right now). By the way, what would I look for as indication that I need to change the cap? My computer is the same as wickedinhere's computer so it shouldn't be the problem. I don't have another port plug cable so I will go get one. I ran the file again with the new consumables and the lines are pretty much unchanged. One thing I noticed during the cut was the sound of the torch air flow. When it was cutting the sections where it leaves the jagged edges, it makes a sound similar to what it would sound like if I were cutting expanded metal really fast. I videoed the cut and will email it to you. Please ignore the sparks, I forgot to turn the speed back down. (It makes the same sound when I had it set at 120ipm too).
Any more info on this Charlene? I recently cut some 12 guage and noticed the same problem. I have yet to look in to and test all the variables, but would like to know if you found anything.
here is a pic of what I was cutting....though it doesnt show the serration problem.
If you go to settings and if your THC rate is at 30 you will have serrations from the Z axis oscillation. Change the value to 18 and try the cut again. THC rate the the frequency in time the Z axis will make adjustments.
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