VIDEO: How to Stop the Push Back Weld

This video is all about a problem that I call the push weld and it's kind of the

the opposite of the pulsed weld or at least the cause is the opposite and I come over here and take a look I've

dialed in some extreme settings here to make a point and the pushed weld happens when the voltage is too low in

relation to the wire speed which is too high and the dynamic there

comes down to this If the wire feed if the wire is feeding

faster than it's vaporizing then it's going to get closer and closer to the parent metal and

it's actually even going to push up against the parent metal and

You're gonna feel the the whole gun push back That's why I call it the push weld and it's gonna do it in a pulsed way

So it's in a sense. It's kind of a pulsed weld except it's pushing back

And you can feel that and the weld is terrible. I mean the weld is what's not even really a weld necessarily

You're not going to have to deal with imbalances this extreme, but if you can feel the gun pushing back

Periodically, especially in a pulsed way then, you know, you've got this situation

You need to throttle back on the wire feed speed Increase the voltage and then maybe depending on the thickness of metal you're using raise and lower those two things

Simultaneously to home in on what you need, but right now I'm gonna flip down the helmet and I'm going to show you

What up what a push weld looks like So this is probably the worst weld in the whole series of demos here

Kind of looks like a bird poop sitting there, doesn't it with all that that soot and things but it's not really a weld at all

There's almost no penetration You know It's just not enough heat and too much wire going in and and did you notice how I was being pushed back

Because the tip of the wire would go right into the weld pool It would hit the parent metal and drive me back a little bit before it

Vaporized again and then moved forward back and forth like that. So the solution more power and less wire