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  #11  
Old 03-02-2013, 11:03 PM
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GregWeld GregWeld is offline
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Originally Posted by Rhino View Post
That's why I work IT and just "glue" stuff together at home

It is quite amazing the difference a little contamination makes. Growing up with a mig in hand it was a bit of a shock to pick up a tig the first time. They seem just a *bit* less tolerant.
I like that! Less tolerant!! Yep that just about sums it up.....

How about ZERO tolerance!

Of course you don't have to do all the prep.... as long as you're willing to have poopie looking welding.
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  #12  
Old 03-02-2013, 11:08 PM
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Ya I checked in too late I knew the answer, some local philanthropist type told me about the magnet deal when he stopped by the shop on his way to some far away destination
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  #13  
Old 03-02-2013, 11:13 PM
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Ya I checked in too late I knew the answer, some local philanthropist type told me about the magnet deal when he stopped by the shop on his way to some far away destination


HAHAHAHAHA! Okay -- we'll give you an honorary 2nd place for good memory retention!
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  #14  
Old 03-03-2013, 02:50 AM
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Thats strange, I use magnets to hold aluminum panels all the time and I never have problems.

Speaking of gas flow, I switched to a gas lense and my AL welds are much nicer and easier to weld now. I think it has to do with less gas flow and tungsten sticks farther out. Gas is turned way down= tanks last longer.
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  #15  
Old 03-03-2013, 03:46 AM
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For any of you beginners,

Jason's (from theGmr) ebook is an awesome guide for $4

http://www.amazon.com/gp/aw/d/B00BFX...dir_mdp_mobile

Certainly helped me!
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  #16  
Old 03-03-2013, 09:35 AM
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Originally Posted by Vince@MSperfab View Post
Thats strange, I use magnets to hold aluminum panels all the time and I never have problems.

Speaking of gas flow, I switched to a gas lense and my AL welds are much nicer and easier to weld now. I think it has to do with less gas flow and tungsten sticks farther out. Gas is turned way down= tanks last longer.


Silly wabbit! Everybody knows it's fine to use magnets when TIG welding aluminum, bronze, or brass.



I switched to a gas lens -- the difference is well worth the few bucks in cups etc.


In actual fact this photo is a GAS SAVER lens vs a standard cup -- but it still shows the difference in the gas flow.




Last edited by GregWeld; 03-03-2013 at 10:34 AM.
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  #17  
Old 03-03-2013, 09:43 AM
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Wow! I haven't switched my tig machine on in six months, but I'm gettin' me some of those lenses! That's pretty impressive.



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Old 03-03-2013, 10:06 AM
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Out of curiosity what is inducing the turbulence in flow when using the cup? Do lenses have an additional internal structure?
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Old 03-03-2013, 10:07 AM
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Nice thurredd GW, aka 'Good Welder'.
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  #20  
Old 03-03-2013, 10:12 AM
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Quote:
Originally Posted by Rhino View Post
Out of curiosity what is inducing the turbulence in flow when using the cup? Do lenses have an additional internal structure?
Gas lens uses a very fine screen etc to smooth out the flow.... and then - of course - none of your current cups will fit it. Typically also the SHAPE of the cups are different.

A couple advantages are smoother gas flow -- and less flow so less wasted gas. Not very important for a home shop - but a shop that welds all day every day will save some money on gas.... as well as they just flat work better.

BUT --- always a big BUTT in there -- it's like golf... if ya can't hit the ball - new clubs aren't suddenly going to have you shooting par.
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