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-   -   Tig 102 (https://www.lateral-g.net/forums/showthread.php?t=40485)

Vince@Meanstreets 03-16-2013 08:33 AM

If you do need a guide line a scrib is nice. Greg how does tig react to soap stone? I never used with TIG, just curious.

Care to explain the block tig master sieg?

GregWeld 03-16-2013 08:43 AM

Quote:

Originally Posted by Vince@MSperfab (Post 470704)
If you do need a guide line a scrib is nice. Greg how does tig react to soap stone? I never used with TIG, just curious.

Care to explain the block tig master sieg?



Good question Vince --- I only use soapstone when I'm plasma cutting... so haven't TIG'd around it. The Sharpie pulls the arc offline as does a pencil mark.... I would think that the burning soapstone might just contaminate the weld. Best to just not have ANYTHING around a TIG weld I think.

Sieg 03-16-2013 09:54 AM

Quote:

Originally Posted by Vince@MSperfab (Post 470704)
If you do need a guide line a scrib is nice. Greg how does tig react to soap stone? I never used with TIG, just curious.

Care to explain the block tig master sieg?

The block is for a heat-sync......2.5lbs .75" thick at $3.10 per lb. = cheap tool. :)

I saw Mr TIG using it on his workbench and figured it couldn't hurt.
https://www.youtube.com/user/Welddotcom/videos

Quote:

Originally Posted by GregWeld (Post 470692)
Nice....

And -- just because I see the Sharpie there... that reminds me! Don't try to mark something up with a Sharpie and TIG around it --- pencil either!

In other words -- if you've made a line on a part - clean it off before you weld.


Quote:

Originally Posted by GregWeld (Post 470706)
Good question Vince --- I only use soapstone when I'm plasma cutting... so haven't TIG'd around it. The Sharpie pulls the arc offline as does a pencil mark.... I would think that the burning soapstone might just contaminate the weld. Best to just not have ANYTHING around a TIG weld I think.

The Sharpie was for scale only. I'm so paranoid of contaminating TIG welds that I'm going to start holding my breath.

If I get a chance in between kids b-ball games and lodging in-laws I'll experiment with soapstone.

I just scored 15 pcs. of perfectly clean scrap 14 ga. cold-roll 3.75" x 38" for practice purposes so I soap a piece and test.

GregWeld 03-16-2013 02:48 PM

Quote:

Originally Posted by Sieg (Post 470716)
The Sharpie was for scale only.



Just seeing the Sharpie reminded me to "say something" regarding their use.

It's the old "devil in the details".... and there's SO MUCH more to welding than just sticking two pieces of metal together.... But having done something for years -- and learning the Do's and Don'ts doesn't mean that we can all remember to tell somebody everything they've learned!


It took me awhile to learn that it's okay to use a hammer and tap the gap tight as I tack... because the gap opens just a little every time you put another tack in... and if you remember to tap the gaps tight - it makes for a LOT easier piece to weld and have it look good too!

:welder: :D

Greg from Aus 03-16-2013 07:15 PM

3 Attachment(s)
OK I tried with back purge today, I'm pretty happy, I think I need a touch more penetration.
I made up a tool to hold the pipes in alignment ready for tacking and that really helped.

Greg

Attachment 38762

Attachment 38763

Attachment 38764

GregWeld 03-16-2013 07:46 PM

:thumbsup: :thumbsup: :thumbsup:



Looks good Greg --- nice color -- not much if any sugaring..... You suck as a photographer though! :mock:

Greg from Aus 03-16-2013 07:59 PM

Quote:

Originally Posted by GregWeld (Post 470776)
:thumbsup: :thumbsup: :thumbsup:



Looks good Greg --- nice color -- not much if any sugaring..... You suck as a photographer though! :mock:


Nice, thanks Greg, It's a reasonable camera, but I have no idea how to work it.

I am running 20 on the back purge, do you think thats enough? Mr :welder:

Greg

GregWeld 03-16-2013 08:07 PM

Nah --- way too much ---- chop it down to about 5 CFH....

If you want to -- you can juice it up just to push the air out but then cut it way back down. Doesn't take much. It's really more about removing or displacing the oxygen (air).

GregWeld 03-16-2013 08:09 PM

Quote:

Originally Posted by tonner (Post 470780)
Nice, thanks Greg, It's a reasonable camera, but I have no idea how to work it.



I just had to poke fun at your blurry photo.... Dude! I want to see those stacks of dimes you're laying down!

Greg from Aus 03-16-2013 08:17 PM

Quote:

Originally Posted by GregWeld (Post 470782)
Nah --- way too much ---- chop it down to about 5 CFH....

If you want to -- you can juice it up just to push the air out but then cut it way back down. Doesn't take much. It's really more about removing or displacing the oxygen (air).

Thanks Greg, I will give it a try.

Greg


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