Mig like Tig

[Drains]

Your eyes are better than mine there Drains, I can see a little U/C on the top of the weld in the fore ground not what I would call "shed loads"

I stand to be corrected of coarse

I tend towards hyperbole...

 

[snowcat]

When you guys talk about double pulse machines, I take it you mean machines that can do both tacks and continuous on/off cycles. My Bester Magster160 had this continuous on/off function. It was perfect for welding thin material. I used it often where penetration and control of burn through were an issue. Ideal for flaming through the rust layer on thin rusted sheets, but not blowing holes in the metal. The machine was 600 euro's new.

No a completely different kettle there, pulse MIGs basically run different welding currents simutansly..... for this they use programs although parameters can be set individualy......

personally I'm no fan of American look welding either.....

 

[Shox Dr]

I tend towards hyperbole...

I had to google that

 

[craigthewelder]

When you guys talk about double pulse machines, I take it you mean machines that can do both tacks and continuous on/off cycles. My Bester Magster160 had this continuous on/off function. It was perfect for welding thin material. I used it often where penetration and control of burn through were an issue. Ideal for flaming through the rust layer on thin rusted sheets, but not blowing holes in the metal. The machine was 600 euro's new.

Here is a double pulse machine in action, tho the finished weld doesn't look to stellar. http://www.youtube.com/watch?v=dfU_fzv9WRc

 

[themininut]

the picture i posted IS a ZTFab weld, I've asked Paul to post a small video tutorial on technique, see if he does!

M.

 

[Shox Dr]

He's been meaning to do one for sometime as I understand it. He's a busy boy and judging by his other work I can see why.

 

[wyn]

See when you're having to fill the gap, what happens if you just move in a straight line but slow - enough weave to just pick up the edges, but going slow, for the fill?

It's all a bit of a nightmare really, the gap is 5mm + and i sort of run down the side to build up a bit of weld and to allow the previous "sweep across" to cooldown a bit so it doesn't all fall through.

Really i need them to provide better sized laser cuttings.

 

[matt1978]

so is a pulsed mig the only way of achieving this effect? other than of course just stacking tack welds !!

M.

ps, the guy that did that is using Lincoln SP135 Plus and a Lincoln PowerMIG 200

You could acheive something simerla, with a lot of skill and practice just by doing a back step weave.

If its a structual weld though, I wouldn't reccomend that approach as Tech Al said, the depth of penetration isn't consistant when you back weave.