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Old 06-21-2011, 06:33 AM   #1
kay95
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Default tig weld choices

I am currently deployed and I am looking at a few tools and stuff I want for hobby/future shop use. Anyway one of the tools I want is a tig welder. My father has a full machine shop plus a stick welder, mig welder and a plasma cutter. I want a tig welder to do control arms and subframes. I also want to do aluminum up to 1/4" on occational use. We have 220v and 110v 1 phase. So power isnt a problem. From what I have looked at I want a inverter type machine but there are still a few to choose from. I wouldnt mind a rectifier type machine but I have to be swayed that way. I plan to spend 2k-3k on it which should get something half decent.

What are your ideas?
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Old 06-21-2011, 09:58 AM   #2
bigusnickus
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Do you want it to be mobile as well? Miller Dynasty and Lincoln Electric Invertec are good mobile (50lb) options that can deliver 200-250 AC amps and are both within your price range.

If you don't want mobility and want duty cycle Miller makes the Synchrowave and Lincoln makes the Precision TIG.

I prefer those two name brands simply for the fact that there are more of them out there and therefore more parts and services available for them.
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Old 06-21-2011, 06:39 PM   #3
kay95
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Mobility isnt a big concern however it helps take up less space.How much Duty cycle difference is it though? I was looking at the synchrowave but someone mentioned your cant control the frequency. That is supposed to help when you weld aluminum.

I also found alot of people liked the thermal arc stuff.

I like lincoln stuff but many have said parts and service can be hard to came by. Miller is alot better on the parts and service. Supposively thermal arc support is 24/7. That is just some stuff that is here say mind you I found on different forums.
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Old 06-21-2011, 06:45 PM   #4
exwrx
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i use miller tig welders everyday at work! only way to go! i use syncrowave 350 and 250. very great welders! my friend has a smaller one think in the dynasty family and i liked using it too! go miller go!
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Old 06-21-2011, 07:29 PM   #5
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If you want to do 1/4" aluminum your gonna need a big machine
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Old 06-21-2011, 08:38 PM   #6
syndromeofthedown
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I have a Miller Dynasty DX. Works EXTREMELY well for automotive stuff. Also, you DO NOT need a bigger machine to weld 1/4" aluminum. I welded my front bumper out of 2"x3"x1/4" aluminum rectangular tubing and it welds fine. You don't need a bigger machine. Search craiglist in your area under tools. I found mine brand new from a guy who used his ONCE. Enough tungsten to last me my lifetime, plus regulator, water cooler, 4 torches and every accesory imaginable for...$2300 bux. Came with a custom cart too. The deals ARE out there.
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Old 06-21-2011, 10:34 PM   #7
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the dynasty might be okay on the 1/4" but my precision tig doesnt do so well on 1/4" aluminum....i suppose it gets it done. But lame having to fool around having it heat up the material and then semi going on my way welding what i need to do. Im probably a little picky though. I want a dynasty but if i do get one it would be the dynasty 350, doesnt make sense in getting just a 200.
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Old 06-22-2011, 08:12 AM   #8
kay95
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Quote:
Originally Posted by TIGWERKS View Post
If you want to do 1/4" aluminum your gonna need a big machine
I want it to bdo 1/4" but not every day. If I have to preheat thats ok because I plan on doing more 1/8 or 3/16 work than I do 1/4". If I need 1/4 aluminum I will more than likely make it out of steel anyway.


I am keeping a eye on craigslist but most of the stuff in my area people want the price of new for a used unit. I mean it is used for three to five year and they want close or new price. I dont get it.

I was going to try calling dealers up and find a refurb or year old model on clearance. If I do that I can get a big bottle then. I dont know if its a PA thing or a fed thing but you cant get a big bottle if your not a business and not buying a new unit from a dealer. You have to settle for the skinny tall bottles not the fat tall bottles.

I appreciate the reponses. Keep em coming.
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Old 06-22-2011, 07:19 PM   #9
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ask your local dealer about some demo machines....mine here has offered to find one for me several times, but I want a 350 if im going dynasty and thats some serious coin for one. Discounted machine but still has the 3yr warraenty or whatever is standard on brand new machines
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Old 06-22-2011, 07:22 PM   #10
TIGWERKS
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also as far as used prices, welders keep their value, thats why its nice buying a used unit because you can have it for 2 years and really only lose a couple hundred bucks on it for tons of use.
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Old 06-23-2011, 09:45 AM   #11
bigusnickus
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As far as duty cycle is concerned the Dynasty 200DX has a 20%@ 200A and the Synchrowave 250 has a 40%@ 250A.

I think you will be safe with either one cause it's pretty hard to get even 20% with TIG at that high of amperage, especially on Al.

Cyberweld is a great site that sells stuff a lot cheaper than MSRP with free shipping, but I would still much rather purchase locally. My company goes through one local place and we can get machines at a pretty serious discount. ($11,800 MSRP for $9,000 - The Miller Axcess 450 = the balls for pulsed MIG)
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