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« on: February 21, 2013, 02:26:24 PM »
Hey Ned
It may be something with your post processor that isn't letting you run it. I run mach3 plasma with floating touchoff and have not tried to run my thc with the regular plasma post. I'll be running mine tonight and try to run a file off of the regular mach3 plasma processor to see if it affects mine. Also, is your thc controller reading voltage when you come down and strike an arc? If so...can you send me what your thc is reading at that time? And if it does read voltage... Here are the steps that I used to set up my height controller when I first started. Make you a dxf file of a straight line about 12 to 14 inches long. Run it in sheetcam and create the tap file and load in up in mach3. Run your cutter (z) down till you reach the height your cutter will cut the smoothest and zero your Z here. Start your cycle with THC OFF and read the height controllers screen and see what your average voltage for your height that you wish to cut. Use this number as your thc voltage. This is how Al instructed me to set up the height. I do know if you set your voltage in a range in which your cutter is not performing at...it won't sense the arc and thus not send a signal to mach3. I completely understand how frustrating it is....I've only had my table for 6 months and only have had the thc working for a week now. I will let you know how my thc runs in that post processor tonight.