Proma THC settings

For general topics and questions that do not fit into any of the other categories or forums.
Post Reply
Alabass
1.5 Star Member
1.5 Star Member
Posts: 27
Joined: Wed May 17, 2017 5:04 pm

Proma THC settings

Post by Alabass »

Finally got my Proma THC working and looking for some help dialing in the settings. I have a Thermal Dynamics Cutmaster 38 plasma cutter, cutting 12 ga hot rolled steel. It seems to cut best right around 90v on the THC display but it seems to be constantly adjusting up and down so that the cuts are kind of wavy. Do I need to adjust the voltage range of the THC, the voltage output of the cutter or what? Using Mach3 software with the THC plugin and cut height of 0.060.

Thanks!
fnqplasma
1 Star Elite Contributing Member
1 Star Elite Contributing Member
Posts: 10
Joined: Sun Nov 26, 2017 2:47 am

Re: Proma THC settings

Post by fnqplasma »

Try adjusting the THC speed on the Mach3 screen, slow it right down so height adjustments are barely noticeable and then play with the `up & down` voltage buttons on the Proma on the fly, while cutting, for best height. Proma works well for general cutting but would struggle over corrugated sheets, too jerky at speed but great for entry level THC, works great for me on 3 different plasma cutters connected over time, with very little adjustment to suit each.
Hope this helps
User avatar
acourtjester
6 Star Elite Contributing Member
6 Star Elite Contributing Member
Posts: 7770
Joined: Sat Jun 02, 2012 6:04 pm
Location: Pensacola, Fla

Re: Proma THC settings

Post by acourtjester »

I would check the setting shown here ;)
volts.jpg

You currently do not have access to download this file.
To gain download access for DXF, SVG & other files Click Here

DIY 4X4 Plasma/Router Table
Hypertherm PM65 Machine Torch
Drag Knife and Scribe
Miller Mig welder
13" metal lathe
Small Mill
Everlast PowerTig 255 EXT
Alabass
1.5 Star Member
1.5 Star Member
Posts: 27
Joined: Wed May 17, 2017 5:04 pm

Re: Proma THC settings

Post by Alabass »

I have the HYS set at 2. I can't change the THC settings in MACH3, it keeps reverting back to the default.
User avatar
acourtjester
6 Star Elite Contributing Member
6 Star Elite Contributing Member
Posts: 7770
Joined: Sat Jun 02, 2012 6:04 pm
Location: Pensacola, Fla

Re: Proma THC settings

Post by acourtjester »

The above example states it should be higher, do some test cuts and increase the setting to what happens.
DIY 4X4 Plasma/Router Table
Hypertherm PM65 Machine Torch
Drag Knife and Scribe
Miller Mig welder
13" metal lathe
Small Mill
Everlast PowerTig 255 EXT
Post Reply

Return to “CNC Plasma Cutters General Forum”