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Unread 01-28-2013, 08:51 AM   #556
jschulz1720
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Quote:
Originally Posted by MO2500 View Post
Penetration looks good Keep practicing moving at a consistent speed. You want the bead to remain uniform in width from start to stop. Also you can pause a little at the end of your weld to fill in the tail end. Are you moving in a pattern or just a straight pull? With flux core I normally just run a nice straight stinger to avoid trapping flux in the weld.
Most of them were using the small e pattern. I tried one with just a straight line.

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Unread 01-29-2013, 02:31 AM   #557
andrewmacc
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Also, are you pushing or pulling? With fluxed core wire, it's generally recommended to pull.
An old welder told me a catch phrase: "if it's got slag, drag."
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Unread 01-29-2013, 12:32 PM   #558
82JeepCJ7
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I usually pull with a little oscillation (front to back) when doing thicker plate with 1/16" wire, 28v, 350amps (plate is 5/8" thick welded to 2" plate)

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Unread 01-29-2013, 03:51 PM   #559
bgredjeep
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I'll play. Extending the legs and adding casters to my work table.

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Unread 01-29-2013, 08:57 PM   #560
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Originally Posted by 82JeepCJ7 View Post
I usually pull with a little oscillation (front to back) when doing thicker plate with 1/16" wire, 28v, 350amps (plate is 5/8" thick welded to 2" plate)

Interesting, not many use 1/16", is it 70s6? We burn about 100lbs a day of that size in 70s6 at 32v and 420 amps, a pure spray. It is all automatic with a variable oscillator that will dwell L&R, 1/2" to 2" wide and variable rpm. We use it to transfer Tungsten Carbide to parent metals for wear resistance.

Beautiful weld by the way!

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Unread 01-29-2013, 10:08 PM   #561
82JeepCJ7
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It is ER70S-6 hard wire. Comes on a 990lb pallet. You can run for days on one pallet of wire. We mix our own gas on site, 98% argon 2% oxygen.
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Unread 01-29-2013, 11:23 PM   #562
WSS
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We use a Thermco mixer to mix argon and oxy too (as little as 1% on dirty import steel and up to 3.5% for clean American steel), much cheaper using liquid argon. It is plumbed all over the shop. I had tossed around the idea of running a 900lb drum when I built them but our machines travel 9 and 12 foot on the X and 40" on the Z. We actually use 44 pounders now because you can climb up and one handed put it on, no tools other than snip the crook on the wire.

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Unread 01-30-2013, 12:36 AM   #563
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We use a Thermco mixer to mix argon and oxy too (as little as 1% on dirty import steel and up to 3.5% for clean American steel), much cheaper using liquid argon. It is plumbed all over the shop. I had tossed around the idea of running a 900lb drum when I built them but our machines travel 9 and 12 foot on the X and 40" on the Z. We actually use 44 pounders now because you can climb up and one handed put it on, no tools other than snip the crook on the wire.

WSS
Yeah we use the bench feeders with 44 pounders as well. Much easier changing spools, considering you could go from running 70s-6 to hard-facing wire in a day.
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Unread 01-30-2013, 01:09 AM   #564
82JeepCJ7
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All of our feeders are mounted on booms that swivel and cover the whole weld cell. You can see one of the pallets of wire to the right of the power unit in this pic.


You can see the feeders on the booms in this pic.




CNC plasma/oxy-fuel burn table 40'x60', Plate roller on the left, and 400 ton brake press.
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Unread 02-17-2013, 08:16 PM   #565
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Here is a 4140 form die I did over the weekend .

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Unread 02-17-2013, 10:02 PM   #566
sjones26573
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2nd time ever welding and the first time I've ever done more than a few passes on scrap. I did about half the welding on my Artec truss yesterday (not half of the welds overall, just what was welded yesterday). I did mostly straight on, only using a c pattern on small gaps. These were some of my better welds, when we weren't having gas or feed issues. The machine is a Millermatic 185.


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Unread 02-21-2013, 08:01 PM   #567
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img_3503.jpg

Wish i had something to spin it while i welded!
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Unread 02-21-2013, 09:02 PM   #568
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Wish i had something to spin it while i welded!
Is that a 2" bolt? or was your weld extremely microscopic lol

Sent from?
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Unread 02-27-2013, 07:32 PM   #569
GingerWrangler
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haha, yeah it is about that size. I made it huge to show it off! (I'm actually computer challenged....)
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Unread 03-06-2013, 05:36 PM   #570
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At work tonight
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