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Jumbo Gas lens versus Medium gas lens dillema!

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Jumbo Gas lens versus Medium gas lens dillema!

Postby Breezer28 » Fri Feb 09, 2018 11:35 pm

Hello Everyone!

I have just bought a new German Welding 200amp inverter machine (which is in the mail somewhere across Europe).
https://www.stahlwerk-schweissgeraete.de/en/TIG-AC/DC-Welders-with-Pulse-Plasma-Cutting/AC/DC-TIG-200-Pulse-CUT-S/AC/DC-TIG-200-Pulse-with-Plasma-Cutter-S.html?listtype=search&searchparam=1001
I bought this same version but without the Plasma function but got upgraded to the Plasma included version for free because they ran out of stock.

It's not top of the line nor anything like it but it will work for me perfectly for now...I hope!

Right now I'm shopping around for gas lenses!
I've already bought 2% Lanthanated tungstens in 0.40", 1-1/16", 3/32" (10packs) + 4pack of 1/8" and a foot pedal for the machine.
I only bought the 1/8th tungsten for welding on aluminium with Argon and a dab of Helium so it holds a little more heat..

This machine comes with a WP-26 style torch.

I would like your input on deciding if I should get the Jumbo gas lenses or the medium gas lenses.
I haven't seen any comparison of one versus the other anywhere here nor searching on google so I decided to ask for your help.

I would like to keep it to a small hardware inventory for now and increase it as time goes by...
I Def need to sort this out in the next couple of days to make sure I get the hardware by the time I get the machine..or close enough (shipping time "socks" over here)..

So, What do you guys think? Pros and Cons?


Thanks in advance!
Vando S.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby cj737 » Fri Feb 09, 2018 11:40 pm

I like the stubby type lenses for most welding, but the jumbos for welding pipe. A #8 cup is my go-to
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby MarkL » Sat Feb 10, 2018 12:02 am

I like #8 cup and 3/32" tungsten for most everything. I'd start out with just a 3/32" lens, maybe try a few different brands to see what you like best before you buy all the different sizes. As an example, some lenses are 2 piece where the screen unscrews from the rest of the lens. I don't like those as well because the screen gets bent on the edges when I change it, and now I have 3 sizes of those lenses which I'll probably never use again. I've also found different brands seem to work better than others. You might also get a few long nose alumina cups, they're cheap and handy to get into tight places without having to increase the stickout.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby Breezer28 » Sat Feb 10, 2018 11:17 am

For example..

I could get the 995795 3/32'' Large Diameter Gas Lens Collet Body and match it with a 57N74 1/2" Large #8 Alumina cup...
Or could it be a 45V26 3/32" (medium diameter) Gas Lens Collet Body and match it with a 54N14 1/2" #8 alumina cup...

http://imgs.inkfrog.com/pix/digitide/tig67.jpg

Bottom row on the picture coming from the left has the Large diameter gas lens collet bodies followed by the medium diameter gas lens collet bodies and the normal collet bodies..

If you look at the alumina cups, they have the same sizes gas lenses but one type uses the large diameter collets and the other use the medium diameter collets..

What would you guys choose?
Would you stick with the medium gas lens collet body setups and maybe a couple of the large ones..Would that make more sense?
I buy my own Argon so, saving it up is kinda important...

I'll mostly work on Stainless, regular steel and on and off on aluminium..
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby tungstendipper » Sat Feb 10, 2018 12:25 pm

I have to agree with CJ; a #8 lens is the way to go. The clear glass lens, bought from Jody's website, will illuminate the weld and help you see better. At least for my old eyes. I use this for 90% of my welding.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby Graveyard » Sat Feb 10, 2018 2:39 pm

I like to have a little bit of everything for odd jobs so I have a range of cups for gas lenses I use my 8 most oft e time and go up from there depending. If I were you I’d do the same, no sense in putting all your eggs in one basket. I too use the Furick cups and I am very happy with them but you cannot weld aluminum with them so far that I use the standard pink ceramic cups.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby cj737 » Sat Feb 10, 2018 3:00 pm

You can weld aluminum with Pyrex cups. You cant walk a Pyrex cup on aluminum because they will crack.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby Graveyard » Sat Feb 10, 2018 3:09 pm

cj737 wrote:You can weld aluminum with Pyrex cups. You cant walk a Pyrex cup on aluminum because they will crack.


Let me rephrase, most Pyrex manufactuers recommend they not be used for aluminum. Can you yes, I have but I want mine to last so I use the standard ceramic for aluminum. To each their own.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby LtBadd » Sat Feb 10, 2018 3:10 pm

The FUPA 12 cups I bought states on the box, not to exceed 175 amps and not recommended for aluminum.
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Re: Jumbo Gas lens versus Medium gas lens dillema!

Postby cj737 » Sat Feb 10, 2018 3:13 pm

Graveyard wrote:
cj737 wrote:You can weld aluminum with Pyrex cups. You cant walk a Pyrex cup on aluminum because they will crack.


Let me rephrase, most Pyrex manufactuers recommend they not be used for aluminum. Can you yes, I have but I want mine to last so I use the standard ceramic for aluminum. To each their own.

Interesting that you use Furick cups but shy away from using them on AC. Especially since all he does is use them, particularly on AC.

https://furickcup.com/product/8-pro-cup/
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