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-   -   Buying a welder (https://www.miataturbo.net/fabulous-fabrication-96/buying-welder-72401/)

elijah_mckay 09-16-2016 11:03 PM


Originally Posted by afm (Post 1361246)
Just upgraded to an Alpha TIG, largely based off this thread. Ordered on Amazon for $690, and it showed up the next day.

I'm really psyched to start using it for its inaugural master cylinder brace project.

Please update when you start using it! I'm planning on getting one of these soon (though I have 0 welding experience) and would like to see how it performs for someone who actually does have some experiences.

2manyhobyz 09-16-2016 11:38 PM

[QUOTE=Leafy;1347262]yup tig finger is awesome.

+1
Givem the finger - Tig Finger that is

Anything you can do to make yourself more steady is a plus.

williams805 09-17-2016 01:22 AM

Alpha tig is the shit. I love this thing. Buy and no regret. Do it.

Joseph Conley 10-24-2016 11:05 PM


Originally Posted by williams805 (Post 1361504)
Alpha tig is the shit. I love this thing. Buy and no regret. Do it.

Do you still feel this way?

Does anyone else who's owned this machine for awhile want to weigh in?

aidandj 10-24-2016 11:07 PM

Alpha tig is the shit. I love this thing. Buy and no regret. Do it.

Joseph Conley 10-24-2016 11:24 PM


Originally Posted by aidandj (Post 1369679)
Alpha tig is the shit. I love this thing. Buy and no regret. Do it.


Thank you. It also looks like the 2016 version has some improvements over the 2015 version. Anyone have the 2016 version yet?

My bad. Looks like both of you have the 2016 version.

shuiend 10-25-2016 02:26 PM

I ordered me a Hobart 140 Mig welder today. I love Amazon prime and 2 day delivery, it along with wire and nozzles should be here Thursday. I will pick up a tank of gas in before the weekend. It should be interesting learning to MIG after already knowing how to TIG. I am looking forward to how easy it should be to tack weld exhaust pieces together under the car though.

Joseph Conley 12-05-2016 01:58 PM

My Alpha tig finally showed up. I figured I would break it in by building a log manifold. Having never tig welded before or built a log manifold I am pretty happy with the results. I already know several things I will change when I do it again.
https://cimg0.ibsrv.net/gimg/www.mia...e3dc56b7ae.jpg
https://cimg1.ibsrv.net/gimg/www.mia...66144fbee9.jpg
https://cimg2.ibsrv.net/gimg/www.mia...47b5c41028.jpg
https://cimg3.ibsrv.net/gimg/www.mia...a35680acd3.jpg

Colipto 03-15-2017 03:37 PM

I am glad this thread exists. I have been planning on getting a welder for a long time now to do some fabbing of my own, looks like the Alpha TIG has my money very soon.

So many thing i want to do with this.. Honda Intake manifold, welding my intercooler pipes to get rid of couplers, endless possibility.

AlwaysBroken 05-25-2017 09:08 PM

I have been lurking this thread on and off for the past year.
I just bought The Procedure Handbook of Arc Welding 14th Edition and am now examining my options for tig welders.

I want to weld up a fresh set of intercooler pipes because the current set are 15 years old and although they work decently, I am not running the same turbo or intercooler I started with, so nothing quite lines up right.

I guess a cheapish welder pays for itself over the course of one or two medium sized projects. Is the Alpha 200 still the best bang for the buck?

portabull 05-26-2017 12:04 PM


AlwaysBroken: Is the Alpha 200 still the best bang for the buck?
yes

portabull 09-25-2017 02:04 PM

so if you have a tig welder with approximately 13' of line (alphatig 200sx), here's a leather cover for your torch line. it has a zipper, not that crappy velcro. i'm happy with mine and i recommend it.
AP-9006Z TIG Cowhide Leather Welding Torch Cable Cover 12' Long 4" Wide w/Zipper | eBay

Zsanz 12-03-2017 07:10 AM


Originally Posted by Joseph Conley (Post 1379126)
My Alpha tig finally showed up. I figured I would break it in by building a log manifold. Having never tig welded before or built a log manifold I am pretty happy with the results. I already know several things I will change when I do it again.

https://cimg1.ibsrv.net/gimg/www.mia...66144fbee9.jpg

https://cimg3.ibsrv.net/gimg/www.mia...a35680acd3.jpg

Nice a weld thread.
Pretty critical application for your first weld.
I would recommend checking the inside of the log for sugaring correct me if i am wrong but this does not look like it was back purged. Furthermore check your gas flow, torch setup, and cleanliness to avoid the brown dust. Lastly, definitely some craters present at your downslopes, if you lift off the pedal slow and continue to feed at the end of the weld you won't get these, they are stress risers.

On topic I use a Miller Dynasty 350 Water Cooled for my GTAW welding, kinda overkill for the home fab guy.
https://www.weldersupply.com/P/376/M...sty350ACDCTigS

However, if anybody needs critical TIG welds, and / or $0.02 on weld set up, material selecton, weldment geometry , what amperage, what angle to grind my tungsten, what gas cup blah blah blah.
I know a few things about a few things welding :)

aidandj 12-03-2017 11:18 AM

Looks like a mild steel manifold. Sugaring wouldn't be an issue.

I would check the inside for penetration.

Joseph Conley 12-03-2017 02:09 PM


Originally Posted by Zsanz (Post 1454823)
Nice a weld thread.
Pretty critical application for your first weld.
I would recommend checking the inside of the log for sugaring correct me if i am wrong but this does not look like it was back purged. Furthermore check your gas flow, torch setup, and cleanliness to avoid the brown dust. Lastly, definitely some craters present at your downslopes, if you lift off the pedal slow and continue to feed at the end of the weld you won't get these, they are stress risers.

It was, and a year later and 10k street miles its still holding up. If it cracked tomorrow I wouldn't be upset. No back purged but its mild steel so I didn't feel it was worth the effort. I believe the brown dust is simply rust. I was welding in a garage heated by a kerosene heater and in my experience, everything rusts fast in that environment. You're definitely right about the craters, total noobness apparent there. After everything was welded I made a second pass over areas with craters.

Like I said in my original post, it was a great learning experience and there is a lot I will do differently on the next one.

AlwaysBroken 01-01-2018 12:01 PM

2018 AHP Alpha is on preorder on Amazon for 680.... Is this a good price? What else do I need to actually start welding besides metal and filler rod?

Leafy 01-01-2018 12:07 PM

You'll need a tank of pure argon. Go to your local welding gas place and buy the biggest one they'll let you., probably 80CF.

You'll also need a welding helmet, get a nice one the first time, you'll hate the cheap ones and end up just buying a nice one in a couple months.

Welding gloves I like baby goat gloves mcmaster for normal use, and deer skin for delicate work. Supposedly the new HF tig gloves are actually pretty nice now, never tried them.

You should buy a welding jacket too so you can lean on your work without burning yourself, melting your cloths to you, or catching your cloths on fire. And you really should have all your skin covered when you weld anyways because of the uv light. Sun burn from welding is no fun.

Tungsten, just start with 3/32" thoriated for now it'll work for basically anything (even aluminum, disregard what everyone says).

AlwaysBroken 01-01-2018 12:57 PM

Anything else you need in terms of accessories for the welder itself?

Roda 01-01-2018 01:02 PM

Gas lenses are a nice upgrade.

Art 01-01-2018 01:44 PM

.


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