Cant get rid of heavy dross on 1/2 plate

And then like this to the electronics enclosure. And at least that part is confirmed hooked up correctly.

Seems like you’re having a heck of a time with that thing hunting. Can you do a screen record while you’re cutting?

Yes, problem is only happening with shielded consumables.

The torch head has never bobbed up and down with unshielded tips.

Are all the air holes in your shielded consumable free?

And it’s a " genuine" product. ? Just wondering if it might be some knock-off made out of some weird alloy material.

These are new and genuine, a quality set up.

Ipt60 hand torch?

Which consumable set is failing you?

It does seem like they spec out a different nozzle for their shielded consumables.

Did they make a shield for CNC cutting?

This is @mechanic416 territory now.

The consumables for the CNC torch are the same as the hand torch, but you have a CNC shield rather then a drag shield. The cutting tip is different for shield then unshielded. And there is no reason I can think of that would make the unshielded work and the shielded not work unless you got the tips mixed up.

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But it does require a different (nozzle) tip when you’re using the shielded consumables?

Edit. I see from above the answer is clearly yes

@mechanic416 is correct, that’s the set up im running, tips have not been mixed up.

THC would use the same reading with shielded and unshielded if they were set at the same TH from tip to metal. But I have seen smart voltage cause trouble.

So it cuts just great with the torch height control ON , smart voltage ,using unshielded consumables?

But when you use shielded consumables , smart voltage and torch height it hunts up and down.

That is a very bizarre scenario

If its in your settings I really can’t help @TinWhisperer or @langmuir-daniel can help you with that.

I think at this point doing a screen capture during of both scenarios ( shielded and non-shielded consumable pack) running the same simple program and then review the video and see what the difference in the voltages are.