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Unread 02-04-2011, 03:45 PM   #106
ldso
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This thread is awesome. Very humbling for us newbies.

Here I put my exhaust back together with a stick of 7014 and a 110v AC stick welder from Harbor Freight.


And one of the braces on my cargo rack.


Every piece that I weld I learn more. Sometimes I realize that I have to go back and re-do everything else I've welded...

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Unread 02-06-2011, 03:00 PM   #107
jose_p_adams
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Done with a MM211 1/8" to 1/8".
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Unread 02-07-2011, 01:26 PM   #108
skullver
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Quote:
Originally Posted by BESRK View Post
Dude.. you don't count... you have a whole sticky dedicated to your welding.. J/K Awesome work as usual!!
. These aren't part of that project. Thanks much!

High Pinion Dana 44 truss/link bridge for a 4-link project I am working on:

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my Jeepspeed build thread:
http://www.jeepforum.com/forum/f37/dez-racer-xj-build-367176/
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Unread 02-10-2011, 10:37 PM   #109
youngjeepr
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sorry for the crappy pic but i only have my phone camera
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Unread 02-11-2011, 09:27 AM   #110
86cj7pete622
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Too young to weld???

My 6 year old son has been watching me weld my CJ together and one day he wanted to try it. I have a short video on youtube showing him weld two small peices of 3/16" rod together.
Now he just wants to keep on welding! Any other proud dads out there? Anyone see any issues with a 6yo trying? I take all safety precautions (well vented, no skin showing, etc). A picture of his spot weld is at the end of the video.

I just switched over to gas (75/25) 3 months ago after using flux for 3-4 years. I somewhat had the stacked dime look going on with flux but now seem to be back at square one with gas (heck of a lot less spatter now)...it's all about practice. I have a Lincoln, 120v 3200HD Weld-pak that I bought at HomeDepot, I'm very happy with it. I'll get some pics on here one day.

Thanks,
Pete. 86 CJ7, 258, 4"BDS, 33", currently in a million pieces
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Unread 02-11-2011, 09:33 AM   #111
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i see no issues at all. you are taking the time to engrain the importance of safe welding. if he learns it this way he wont be tempted to do small welds without a helmet or try using sun glasses. i think its a great thing and nothing less. i first welded when i was 10 and loved it. i still weld as good as any 10 year old but im always willing to learn new tricks.
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Unread 02-11-2011, 11:30 AM   #112
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Unread 02-14-2011, 07:40 PM   #113
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They're not professional looking welds... but I thought it came out pretty well for using a cheap harbor freight flux core welder.



You can see the build thread here:
http://www.jeepforum.com/forum/f12/t...thread-1166833
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Unread 02-16-2011, 01:06 PM   #114
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Here are some of mine. Lincoln 140, using flux core on some 1/4 tubing. I hate flux core, slag everywhere. I bought my welder about 6 months ago.


What do you think about this next picture. My welders max is supposed to be 1/4 inch. How does the penetration look? Is there anyway to tell from a picture like this?
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Unread 02-16-2011, 01:23 PM   #115
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Quote:
Originally Posted by Cherokee-at-16 View Post
What do you think about this next picture. My welders max is supposed to be 1/4 inch. How does the penetration look? Is there anyway to tell from a picture like this?
A better way to check would be to take two pieces of 1/4" plate, bevel the edges down (around 32* bevel on each will work well). Weld them first in a single pass, cut the plates across so that you can see a cross section of the weld. Sand and polish that and it will let you see how good the penetration.

--Wintermute
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Unread 02-16-2011, 01:38 PM   #116
Cherokee-at-16
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Quote:
Originally Posted by Wintermute View Post
A better way to check would be to take two pieces of 1/4" plate, bevel the edges down (around 32* bevel on each will work well). Weld them first in a single pass, cut the plates across so that you can see a cross section of the weld. Sand and polish that and it will let you see how good the penetration.

--Wintermute
Cut, sand, and polish with what? Never sanded or polished metal before.
I usually cut with an angle grinder, will that distort anything?
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Unread 02-16-2011, 02:59 PM   #117
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Quote:
Originally Posted by Cherokee-at-16 View Post
Cut, sand, and polish with what? Never sanded or polished metal before.
I usually cut with an angle grinder, will that distort anything?
go ahead and cut it with an angle grinder, that won't be a problem, just make sure the cut is straight and clean. Then sand it down smooth and polish it down with sand paper until you get down to about 400grit. After that you may be able to see the difference in metal color which will show the penetration level into the substrate metal. If you still can't see the difference, you may need to polish more or even etch it with some Ferric Chloride (PCB etchant...available at Fry's, radio shack, etc...).

Since you'll be able to see the penetration, it will show you how well the weld worked on it's max thickness material. What I can tell you is that without bevelling, you aren't going to have penetrated all the way through the material at all. Even on my Millermatic 210, I probably wouldn't penetrate all the way through the two plates if they weren't bevelled and I was set on max heat.

--Wintermute
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Unread 02-16-2011, 03:15 PM   #118
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A couple reads on types of weld tests and some products to use for an acid etch test so we don;t get too far off subject in the thread..

http://www.welding-technology-machin.../etch-test.htm

http://www.angelfire.com/my/welding/test.html

Most don't understand that just because a welder advertises 1/4" max..does NOT mean it will burn a pass through 1/4" of steel in one pass with no beveling.
That is there to tell you that they only recommend welding 1/4" base metal because any thicker than that it is recomended to use a preheat because the machine just simply does not put out enough heat/amperage to prevent the Heat Sink Effect and penetration needed.
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Unread 02-17-2011, 09:30 AM   #119
35sUnlimited
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Lincoln 125 mig.

My best yet and wish they all looked this way:


Biggest learning experience was this sheet metal project:

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Unread 02-23-2011, 08:56 PM   #120
99TJSahara
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Here's one of my practice tig beads.



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