🔥 Aluminum DC TIG Welding (with Everlast PowerMTS 251si)
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- Опубліковано 5 жов 2024
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Anonymous Viewer: I have a DC only multi process machine, but need to weld Aluminum for a one time project. What machine should I get?
Weld.com: Who said you can't weld Aluminum with a DC only machine?
Anonymous Viewer: My friend who is a welder of 10 years.
Weld.com: Your friend is misinformed. We'll hook you up with a video showing you how to use your DC-only multi process unit to weld Aluminum.
Anonymous Viewer: You da man!
In this video we are going to show our friend "Anonymous Viewer" and everyone else how to TIG weld Aluminum without an AC machine.
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Hey Bob,
Thanks man for taking the time out of your schedule to personally call me and walk & talk me thru my TIG dilemma this week.
There is definitely a huge difference between you and unnamed welding channels...
You wanting to teach and help folk learn welding, and those others who just dont even bother answering a question on the comments.
Your a Man of integrity! And I truly appreciate you taking the time with me.
Thank you!
BTW- the banter and kidding around thing "The Camera guy" is great!
God I miss Bob!!! He is hilarious and has the best dry humor of any industrial arts teacher!!!
I do not have any of those expensive modern welding machines, I run a Miller Shopmaster 300a and a Miller 351 Syncrowave machine, I tig weld everything that comes in my shop door from Aluminum stainless Mild steel and alot of the specialties. If you know how to weld you do not need one of these expensive machines. I run Argon but mix my own Helium and Argon for aluminum, run DC with straight helium on thick aluminum and a pre heat. It all comes down to experience and how you were taught. Bob you were taught like me on the job and from the old timers that pays off in the real world. Always learning never always knowing is my motto, your videos are great, the keyboard jockeys might have other things to say but those who do this for a living think differently.
Thanks for the support.
Gallagher Metal Works Right on man! Thanks for the support.
We used to use the soot from an oxy torch to indicate when Aluminium was close to melting for oxy welding .
ian bertenshaw....wow I'm not a welder..yet! But I remember back in the 70's being shown the carburization method for finding the bending point of Ali. Good memory thanks.
Weld.com you can use a Sharpe to preheat the same way.
In the mid sixties I welded on the Saturn V first stage. It was all DC, but we (being on time and material) actually scraped all the to be welded surfaces with a three edged scraper, then wiped all surfaces with MEK.
Worked at Stennis?
WOW is this true
Lol good old mek
Was it tig with helium??
Thanks for making the video! I had no idea welding aluminum on DC was possible!
If you can get your hands on some helium give it a go.
@@Welddotcom what about the tungsten what type of it
Thanks for showing that you can indeed DC TIG weld aluminum. I'm in the processes of getting a multiprocessor welder; your video has helped my decision making.
From what I've seen on UA-cam the DC- with helium gives good penetration. There isn't the cleaning action of AC, but the oxide floats. DC+ with argon good for thin aluminum and gives the cleaning action but you need thicker tungsten.
I was looking for a proper video of aluminum on DC! My teachers were asking me to try to aluminum on dc because I always like too try challenging myself and they notice it. Anyway, thank you Bob!
It matters because not all AL alloys can be welded with DC TIG and Helium is extremely expensive and hard to come by in many areas (twice as much as Argon in my area). Helium is also a non-renewable resource and will probably be highly regulated in the not too distant future.
Bob and his whole cameraman thing lol "probably snoozing " 😂
Good information for the hobby welder with a dc only machine who on occasion needs to weld moderately thick aluminum pieces. I always appreciate Bob Moffitt's excellent instructional videos!
THANK YOU. I'm fairly new to welding and have repeatedly seen post after post of people saying you cannot weld aluminum with DC. Once I saw a few (very few) saying you can (with argon or helium) I started looking for the real pros...like this! Obviously AC is better for thin stuff but for 1/8" and larger it seems that DC can do really well with the right tools and technique.
Very few! NONE for a long time. I think AC makes aluminum easier, and somehow over time that became "the only way"!
I got the PowerMTS251si for Christmas. I only mig with it right now (auto body tech). Knowing I can start to learn Tig on aluminum with it is awesome. Thanks for sharing.
thanks for another really informative video bob. i have been welding for over 40 yrs (doesn't mean i'm a welder) and i have never seen anyone weld aluminum with dc and helium. i have been running a 300dx for the last five years so i have never had to explore other options to weld aluminum, but that sure is a trick worth knowing.
Thank you so much!! I have this exact machine and was debating on trying to weld aluminum as I am new to welding aluminum and so many people online say "you can't use a DC machine". I'm going to go get smaller bottle of helium and practice now! You guys rock! Thanks for your always informative and detailed videos that get right to the answers with clear explanation and demonstrations!! It's invaluable knowledge and deeply appreciated!!👍👍👍
Hay Bob; i worked for MacDonald Douglas during the B1-B bomber Fairing Fuel tank Program we did for Rockwell International. We used a combination of half & half argon-Helium on a vary high strength aluminum called 2219 and welded it with 2319 for Hand welding but the automatic that i used was 100% Laboratory grad Straight Helium.
Welding is a hobby that I enjoy and I use it to make and fix things around the house. Can't justify the super equipment that the professionals say is required...REALLY APPRECIATE how you're demonstrating the practical application of "real world" equipment that we of limited funds and time can afford. I'd ruled out DC only TIG because I have a few small projects that must be built of aluminum. THIS demonstration has made we reconsider trying TIG since I can afford a DC only rig.
Thanks for all the work and practicality that you are bringing to the hobby welder community.
Bob! You sir are a man's man in my book. I hope you teach more boys to be men like you! Carry on!
As a child of the 60's Heliarc is what I remember the racers using on everything aluminum. This is the first time I've seen the process. Very cool.
Point well taken Bob for general fabrication DC tig with helium why not.............absolutely
Great. I've been DC welding aluminum for 3-4 years, process is kinda grungy but nice welds and I'm doing it with a Thermal Arc 160. Thanks for the great viedos, been watching all of yours.
Thank you!!!! About time we had a discussion on dc machines running aluminum 👌🏼👍🏼👍🏼👍🏼👍🏼👍🏼 I love running it! Have some work coming up that'll smooth my craving lol good work guys!
Cheers Niall🍻🍻 You going to be posting that on IG? Tag us when you do.
Weld.com I have a lot of stuff that I will tag you in. Great job
never thought it was possible until i searched this,,, thank you! you saved me from buying an a/c tig machine!
Didn't know you could do that. cool tip thanks for sharing
That's why we're here. 🍻
This is a great video. I will have to give it a go with my everlast DC welder.
I really appreciate this video I was under the impression aluminum could only be welded on AC period end of discussion so I am super stoked about this knowing I can do some aluminum practice with me DC TIG machine
Saw another vid of a guy using argon and stick rods and it looked ok.
So glad i came across this. Lol I was one of them ppl that would say well you can't do aluminum on these cheaper DC tig stick welders. Awesomeness
Another great Friday: A corn dog, a beer and a video from Mr. Bob that I learned from. I guess those Everlast machines are liked by quite a few welders. Thanks Bob!!!!!!!!!!!!!!
Ive been weldin for 18 years. Why did i not know you could run aluminum DC? Mind blown
I got turned onto this just about a year ago from a buddy. What he said makes sense.....this is how they welded aluminum 50+ years ago and its still how they weld aluminum for many processes like dies and such.
Thanks for showcasing this Bob!!! Also, were you running DCEN or DCEP? I have seen guys run both ways but will different tungsten sizes due to the heat concentration.
Brian Streufert Probably DCEN. From material to electrode for the "cleaning action"
Cleaning action (material to electrode) is DCEP, not DCEN. That is why I am asking for clarification. You can weld it both ways.
I had read a long time ago in school that in the old days they used DC reverse to weld beer kegs. Back when AC machines weren't very common.
Brian Streufert. It is DCEN. This will give a deeper penetration weld with Aluminum versus AC. This is also used extensively with welding vacuum chambers. DCEP won't weld thick materials, but cleans the oxide off.
No cleaning action here!
Dang ol' Bob, a wealth of information, no bullshit, and always gets a chuckle from me
Hell yes, that is the shit I'm talking about. Thank you Bob for putting it to rest for some of the people that you do not need ac for aluminum
Been doing this on trailer/field repairs for years. Lincoln 305G efi with just a scratch start rig. Not the best, not the neatest. But cheap and durable and only extra purchase was small tank of helium. An old fart a used to work for taught me this, was a hell of a welder. Not that it matters but i still to this day have never scene anyone able to weld pipe like we would with tig with an acetylene rig, ol harry probly forgot more than ill ever know
Thank sir for this video..i almost spent way to much with ac dc tig machine ....thx air bob..
Sir
Does helium require a special regulator or can you use the same one that you use for you're argon
It's the same tank fitting. CGA 580? The flowmeter won't read right. Some flow meters have different scales so they can be used on different gases, if you just remember to look at the right scale.
Awesome vid. Didn't know that. Our Miller Rep. Even said it can't be done. Thanks alot. You've just opened new doors. Thanks again. Love mig Mondays as well.
Best video yet! If you don't do a lot of TIG aluminum (like me) it's just what you wanted to hear! The thing I like to know is Everlast PowerMTS 211Si vs the ESAB Rebel EMP 215 ic in a head to head comparison. Bob has used both I believe and would be the perfect man to do the comparison.
Tony Baggett Hopefully the Everlast PowerMTS 221Sti will be released soon and he can review it. Would be nice to have a complete Multi function machine.
Coz F I agree the 221 is going to be sweet. But I heard Everlast has them at an introductory price of $2000 which is a good value they said they'd retail at $2700 which I doubt. The Rebel and the 211 are more similar with just a around a $500 price differences. I fell like the 211 has more features but the Rebel is more intuitive.
Tony Baggett Does the rebel have AC tig and HF start? Couldn't find one that does but may be looking at an models.
Coz F the Rebel doesn't but I wanted to compare models with similar price ranges and features. The 221 is going to be superior to both because of the features and AC/DC Tig but it's in the $2000 as far as price.
Tony Baggett great reply have you tried pure argon vs helium and whats your thoughts on the e3 tungsten thank you in adavance
Darn you're a funny feller Bob, but your a better teacher! I have a tailgate and 2 sidebars that I have to build for my welding truck. I'm not as muscley as I once was. My tailgates are too heavy. I needed to watch my Sinsai to remember how to do this process.
Thank you Bob and Camera Guy.
I didn't know this was possible, thanks for sharing! Helium is certainly more expensive than argon, but way cheaper than an AC machine if you already have a DC machine like I do. What grade of Helium were you running?
Back in the day thats all we had was DC helium. I had a hard time adjusting to AC with Argon.
Good to know this is a possible solution! Thank you 🙏
awesome stuff thanks for reminding me I can do just about anything with a little knowledge.
Mr Bob you have me interested! I heard you could do this so I tried not realizing argon is not correct! It was a mess! Now I know why... thank you very much. I guess I do t need a ac machine after all!
THANK YOU! getting some helium tomorrow!
That's getting harder
Wow someone who finaly proves aluminum can be done with dc and helium, thank you, what grade heluim would you recomend ????,it seems the dentists and hospitals get the good stuff and the welders get whats left so ived heard!
Bob Moffat rocks! Thanks Bob!
Great video, as always. The most prohibitive thing for us hobby welders in the uk is the cost of helium. A 20l bottle of argon including deposit for the bottle has just cost me 200 pounds. I simply cannot afford to have a helium bottle sitting around as well which costs far more. Its far more cost effective to spend the extra money on an ac capable machine and only use one bottle of pure argon.
"She 'aint hot,
She's heavy"
AC low frequency penetrates deeper too
About Preheat: This definitely seems like a situation for preheat, and also vigorous cleaning (according to literature). Everyone seems to agree that preheat is good, it seems easy, cheap and fun, but nobody ever does it! There might be a really convincing demo in here somewhere... say a thick piece of aluminum such that you can't get it to melt with full power... and then try again after preheat, or after changing to Helium, something like that. It should be easy enough to get a situation where there is or is not a puddle, something that's easy for the students to see.
Looked up the machine on the Everlast site. According to the picture and the location of the cables, if that is the MTS 251Si then Bob has it set for electrode negative. also the tip of the tungsten did not ball so it must be - Oh and thanks Bob, now I have to price out some helium for my cheap 140 machine. any more bottles that I need? LOL
Thank you Bob! This really helped me out. I think ill wait on that HTP AC tig and give the helium a try first.
The black is just the same as when I’m using my mig welder. It’s nothing lol. People are crazy when it comes to aluminum.
Looks great. You get soot even with mig ac alum if your not pushing the gas ahead forward.
Thank you Bob for your time and effort, I really enjoy watching your videos during my work lunch break 👌😅
Wait so this is only possible with helium? What about the top side layer? I was taught you had to do AC for aluminum to get past that oxide film with out blowing out the bottom material.
Absolutely Amazing. Again, thank you so very much Mr, Moffatt.
I'm surprised at how good the cut looks, it sure looked to me like it was just laying on top when you were welding it.
thanks i have a project in the future that this will be handy with this very machine.
Thanks Bob for the great video. I already have AC/DC Tig (Syncrowave 210) but am always interested in alternative ways to "skin the cat." A video discussing He/Ar mixes would also be helpful, for those times when a bit more is needed out of a machine for a one-off job. I've managed without helium thus far, but wouldn't hesitate to run to the nearest party store for one of the small 8.9cf balloon cylinders if needed. Great job & thanks again.
I have had a great time welding with Argon and about 10-20% Balloon-grade helium. I'm definitely a beginner! You notice the difference instantly! Bright shiny puddle, the whole business seems much more lively. I let a friend try it, I was mixing the gases by hand off to the side. I let him get started and weld for a few seconds. When I let out the Helium he yelled "Wow! Look at THAT!". It's a great demo. As it happened, I was completely following a weldingtipsandtricks video on this topic.
Do not use balloon gas. It is not as pure as industrial and scientific grade helium.
Been there done that. Silicon Valley is how we did it however we used A little argon.
Are you using E5356 for the filler rod? If so, that "black soot" is Magnesium oxide. Personally, I have been very satisfied with welding Aluminum as DCEP with MIG wire. The production rate is phenomenal compared to TIG and I have been getting complete penetration on 1/8" thick material.
Could you do a similar process with dc mig with helium?
Haven’t seen anyone do it but the movement and feed rate would be consistent
I'd like to see you run that same thing using lay wire to see how the puddle flows, but awesome info!
Also, I love you attitude and how you call out trolls and keyboard warriors at the start of a video. LOL!!!
Are you on DCEN or DCEP Thanks
Sir does this method offer the same advantages that AC TIG offers? I mean, if you had done the same welding process on two identical pieces, one using TIG AC with argon and the other TIG DC with helium, would they have the same resistance to stress, strain, etc?
I second this!
Interesting Bob thank you for all your knowledge you share with us much appreciated 💯💪🇺🇸👍
Just wanted to say thank you for posting your videos big help ty
Love this video... THANK YOU! I hear the same comments all the time....
"Well apparently they weren't... goin'." Lol, don't know why, that just struck me funny.
you're a king ... thank you for everything ... I'm looking forward to a new video ... greetings from Croatia!
That's really cool, thanks for the video. I've been getting a lot of conflicting info about dc tig welding aluminum. Glad to know it can be done!!
Awesome video as always Bob!
Great video bob.
I gained from it going to try it off of my 200d . Thanks a bunch take care
How to Weld aluminum with mig spool gun pure argon
I would really like to see this too. Tips and trick Jody did one video on the spool gun but would love to see Bob's take on the process!!
I do it all the time, pretty nice. Like really soft regular mig
I check my temp with IR Meter. Around 200 dog is good starting point on preheat.
Learn something new every day, excellent video and tips......cheers
That black soot get ahead of puddle look like !
What type of tungsten did you use?
PERFECT !!! PLEASE ELECTRODE IS + OR - ?
Wow!! ..didn't know that.
Thnx for sharing this awesome video Sir.
Thank you so much Sir! I really enjoy your videos.
Bob, try out that advanced ac pulse setting on that everlast. Thanks for all the great videos!
How would you feel about and how would you attack a 1/2 in aluminum I-beam with a Prime weld 225x tig machine? Just asking..for myself 😎😂😎🤙🐼
awesome :) does it have to be pure helium ? would a argon mix work? are you running straight or reverse polarity ? what about tungsten , which one are you using and is it balled or pointed ?
great job:) I used an airco 180 dc mig to build a 24' hauldek trailer on hellium. ive put 10k on the deck. hellium is the weapon for aluminum.3/8", and 1/2" in some places.
Same Helium cost so much ! But it looked good is that at 20 CFH ?
So, to be clear, you can do exactly what you did here with any DC only tig machine if you use helium gas as the shielding gas?
Why does this gas make so much difference?
Laslty, what's the flow rate of the helium?
Yes. The most simple way to put it is the top oxide layer of aluminum has a higher melting point than the base metal and helium transfers more heat faster than argon will. So with argon on DC you'll damage the aluminum trying to penetrate the oxide
Can you DC TIG with pure argon
learned something new! Thank you!
What would be the best machine to weld aluminum pipes thin material?
Can you do 5056 Aluminium on DC tig or does it have to be only a
Certain kind of aluminum and what kind of filler rod is needed for this process. Thank you very much for all the information.
Tabe
Gas isn’t so terribly bad it’s the tank cost. $85 to fill a 80cf tank I realize is more than argon but for home shop or occasional work shop use it’s fine. If welding everyday than perhaps consider a square wave.
Heilicarc ??? in the 30 S ad 40 to 60 s tungsten with helium welding and that machine can do it thats awesome
I wish I had you for a teacher..
I'm convinced!
I'd love to DC TIG aluminum except its hard af to get helium right now. praxair told me all they have is spoken for, several months in advance.
Oh well, looks like dc arc for me.
if it's thin enough you can use straight argon dc.
What tungsten are you using?
@@supergreasyhead when I made the comment, I wasn't using TIG, as I didn't have a machine that could do AC TIG, and couldn't source helium to pull off using DC instead on aluminum.
Since then, I bought a miller multiprocess machine that does AC TIG, as well as a water-cooled torch setup. Nowadays when I weld aluminum, I tend to lean towards a ⅛" tungsten ground to about 30° and blunted.
Alright now weld some .025 aluminum sheet with DC and I'll be impressed
I never thought to do this.. my welder is dc only.. would you sooner use dc tig, or aluminum stick? Those are my only options.. im just a hobby welder so nothing structural really
Anything would be better than aluminum stick! It's hateful, everything is wrong with it. Messy! The worst job you do with whatever setup you have now would be better and cheaper than a good day with aluminum stick welding!
How do feel about pre-heating using a quick arc only pass before a dabbing pass?