primeweld tig225x banner 2

Tig Welding 1/8" Aluminum

by Dan

Hi Jody, Love your site and videos!

Just looking for a few suggestions on tigging aluminum.

I am not a welder by trade but enjoy fabricating.

I own a synchrowave 350 LX though and I use a foot pedal.
It also has pulse up to 10 only I think as it was the one just before the Dynasty.

I am welding diamond plate 1/8" and I am having a little trouble getting my welds perfect.

They have however come a long way.

On starting a corner weld some times I get a very slight burn through on the backside.

I am using 125 amps and I am trying to work the rod in there
quickly to help temper the heat.

I have tried to cut the foot pedal back a bit after a second or two and that seems to help.

Clamping and minimizing gaps where possible.

Just wondering if there is something else I could be doing.
Maybe its just more practice!

I love the finger shield idea and will be ordering some soon!


You are on the right track.

make sure to be easy on the amperage while you are joining the 2 pieces together. Once you get both pieces joined , then you can step in and get moving.
A little burn thru on the back side is not usually a problem, in fact, sometimes its a very good thing to let you know you are getting good enough penetration.


Return to tig forum.

Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

  1. Click on the HTML link code below.
  2. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.