1/4" (6mm) Aluminum Weld
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- Опубликовано: 18 апр 2024
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Back to the the welding...
The challenge with a 1/4” aluminum single pass lap joint is getting penetration into the root of the joint...while at the same time, not chopping up the edge.
It can be difficult to hit the root while not chewing up the corner.
So I tested a single pass weld along side a 2 pass weld to check for depth of penetration.
I set the Primeweld TIG325 to 250 amps so that I would have extra power at first when the aluminum was cold.
AC frequency was set to 150HZ to focus the arc.
I used 3/32" 2% lanthanated tungsten and a #5 clear cup for the first welds.
I noticed some oxides floating around in the puddle with the #5 cup so I switched to a #6 gas lens cup for the 2 pass weld.
I use clear cups a lot for filming but I think a pink ceramic #6 gas lens cup is a good cup for a whole lot of aluminum jobs.
Penetration to the root was not that great on the single pass welds.
So I decided to try welding 2 passes....one focussing on penetration...and a second pass to get the adequate weld size.
A cut and etch test revealed much better penetration in the root of the 2 pass weld.
But because I didn't clean the aluminum at all before welding, there was a large pore.
That in itself is a lesson.
I should have taken a few minutes to wipe the aluminum with acetone and wire brush with a clean stainless brush.
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Cut and etch removes all the guesswork and speculation. And you anticipated the question I was forming: at what point would you turn it into a 2-pass operation. Superb video, with superb close-up shots to illustrate the narrative.: I learn far more watching problems being overcome than seeing the perfect weld being deposited- that only gets me disillusioned and not knowing where to start to overcome problems. One video like this is worth more than a thousand videos of problem-free weld joints. Thanks again, Jody.
The best arc shots and instructor on earth and a store that is as great too ... Thanks Jody . :)
Getting back into welding/fabrication after years out of the field (as a CTE teacher this time) and so appreciative of the quality and content of your videos, as a refresher, and for picking up finer points I never knew.
Your videos are the best welding stuff on the internet! Thanks for your work!
Jody, through you i learned welding! I discovered your channel relatively early and didn't miss a single TIG video. Without the great videos I wouldn't be where I am today. Thank you very much Dominik
Always good stuff, don't stop.
Thank you so much for sharing your knowledge with us. Your tips have helped me make better repairs on excavator buckets at my job
Thanks for sharing with us Jody, great job. Fred.
Thanks Jody
Excellent, thank you
Good video as always.👍
As always, great instructional video. Thank you!
Thanks man great video. I see primeweld makes some good products, thanks to you and the guys at AM Fab im in. Starting with the mig 180.
Thanks for the learning and teaching sir. I enjoy your videos!
Great, informative video. Many thanks.
Another Fantastic Instructional Video !! 💯
Great job!
Sabia que sou seu fã a muitos anos ? E pra mim você é uma referencia , te considero o melhor soldador do mundo . Toda solda que faço penso em um dia superar o melhor soldador do mundo , que é você . 🇧🇷🇧🇷🇧🇷 Soy de brazil
You da man jody! 💪
Приветствую Тебя мой Сен сей из России! Я благодарю Тебя за твои обучающие видео, благодаря им , я стал Сварщиком. Я как и Ты занимаюсь Сваркой , и в частности сплавы на основе алюминия , и да как я понял при горячем проходе второй раз получается более глубокое проплавление хотя ,я пришел к выводу "чем выше частота ,тем меньше проплавление " Огромное Тебе спасибо за твои видео . Надеюсь ты мне ответишь и мы может даже проведем дискуссию на тему сварки . Желаю удачи!!!
Man this video helped me before i welded some quarter inch boat ladder attaching parts
Merci pour cette vidéo
I just found your channel and really like the way you explain everything. I have a question for you, I have a small shop and do tig and mig, I am looking at a welder that can do both. What would you recommend for this? Thank you and keep the videos coming.
Thanks for this video. 1/4" Aluminum lap join is what I'm struggling with. Takes me forever to get the puddle established and feel like I'm just not getting enough heat to allow filler to sink into the root. I'm running a Lincoln 200 inverter squarewave on 220 at 200 amps, which is probably max thickness for that machine. Someone was saying AC balance can help that. Less positive for thicker, more for thinner or something like that? If you can confirm that thick and thin aluminum balance tip, I sure would appreciate it.
Thanks again for sharing your knowledge with us.🙏
Jody, can you do a video on hard facing lawn mower blades? Just wanted to pass an idea. Thanks.
If you have already, can you forward me to a videos to learn to pass a 6g pipe test ?? I’m practicing on a 8th inch pipe. What are some important tips that could help me ?
Has anyone ever seen 1/2 inch thick Aluminium plate and steel plate impregnated / squashed together under Exstream compression ? My friend was working in this welding work shop and got this off cut of metal he was showing me very proudly ,said it cost a crap load of money for some project they were working on ,made in Germany they start by mill the faces very course cut and then sandwich the plates together under Exstream compression using explosives charge , i never seen anything like it , was 1 inch thick over all both sides even thickness alloy plate one side steel plate the other mashed together , seems crazy but this is used to join to different metals together that can not be fuse / welded ,
Steel hulled ships with aluminum superstructures - they use this method
Hey Jody, I figured with 1/4" aluminium plate that you would have been around 50-60Hz for single pass? Cheers.
If I was using a 200 amp machine, I probably would have used lower ac freq setting. Maybe a part2 version of this video will show that. Thanks
7:05, if I'm seeing that right, there's so much oxidation on the surface that it's just about not cleaned off before the puddle runs into it?
его отодвигает переменная дуга ,так что это не критично
At 4:36, could that LoF just be from a shear cut rather than welding technique?
Might be
нет на практике низкая частота не дает подрезов.
Would you do tip TIG video Jody...?
I hope to do tip Tig. I filmed some clips at a FABTECH event
@@weldingtipsandtricks Awesome Jody, and maybe one on metal core too..?
“Nice work. $18/hr.”
Seems like the frequency should be turned down for thicker material? I would set it around 80 when welding 1/4" - 1/2" aluminum. Thats just me though
Thanks for the suggestion I intended on trying lower frequencies but ran short on time. I might do a part 2 and try that along with a few other changes
I like to turn it down for thick materials. Any high frequency seems to me to only penetrate shallow into it.
Same here, high feq for thinner aluminum and low for thick. Thats running off a miller dynasty for me @Sicktrickintuner
🔥👌👊
Low frequency has better penetration
hello boss i am form Pakistan Islamabad am tig mig welder experience 4years and i am return Malaysia please i need job please i am very humble guy and best worker 🙏😌