Search found 3 matches

by namijo
Tue Nov 05, 2019 8:44 pm
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: Student - Stainless 2G w/o Gap kicking my back side - HELP
Replies: 8
Views: 1063

Re: Student - Stainless 2G w/o Gap kicking my back side - HE

Thanks for the encouragement and advice. I used your tips to try different things to see what worked for me. First, I decided to pass over the 2G for right now and jumped to a 2F Lap Joint. I played with the current, pulse settings, travel speed, etc. I ran 90A, 60% on time, 40% background, spot che...
by namijo
Mon Nov 04, 2019 7:46 am
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: Student - Stainless 2G w/o Gap kicking my back side - HELP
Replies: 8
Views: 1063

Re: Student - Stainless 2G w/o Gap kicking my back side - HE

Personally, I like to use pulse whenever possible on stainless. A quick hot blast gets your puddle, and the background reduction chills the puddle rather quickly. You could probably stick with 1/16 under pulse, no gap. Aluminum flat stock clamped to the back helps chill and prevent and fusion to th...
by namijo
Sun Nov 03, 2019 10:12 am
Forum: Tig Welding - Tig Welding Aluminum - Tig Welding Techniques - Aluminum Tig Welding
Topic: Student - Stainless 2G w/o Gap kicking my back side - HELP
Replies: 8
Views: 1063

Student - Stainless 2G w/o Gap kicking my back side - HELP

I am new to welding, no prior experience. I am taking a TIG class at the local college. I have been doing well so far, but need some help with this next joint. I just started welding stainless and I am just not getting it. One of my required welds is a horizontal butt (groove, no gap) weld with 1/8&...