T.I.G. machine add-ons.

Perhaps, I need to prime the pump on this one.

Is pulsed t.i.g. highly desired? "Stitch", hatever that is? Post flow? You get the idea. What are really desirable features to t.i.g. for various metals and procedures?

Thank you.

buffalo

postflow is a must, you will burn your tungsten (and could oxidize the welding area too) if you stop gas flow right after the arc ends.

--FWIW the only reason I'm not satisfied with my good old Econotig anymore is because it doesn't have a pulser. That's the one upgrade I'd love to have in some sort of stand-alone add-on. Ernie came over to my shop and showed me one in action and I'm sold!

Pre and post flow can be done by having the gas valve ont he torch you can pre and post as long as you need and shut it off when required

sometimes the simple soluti>Perhaps, I need to prime the pump on this one.

Again, thanks to all for their input.

I bet this Lincoln has post flow. I will make it adjustable.

I will also make it pulsed if I can switch the transformer - I will have to think about rise and fall and back emf.

When you do pulsed tig, the current is never shut off completely, it just gets higher and lower several times per second.

I'd say no. I can do it with mine, but it uses up sources. You do it when cutting screen material that the torch doesn't see metal from time to time.

One issue is the amount of energy needed each time and the re-charge /generation of that energy at what rate.

It might be useful in cutting heavy rusted material but that is only a guess.

Martin

Mart> Perhaps, I need to prime the pump on this one.