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Old 02-06-2007, 05:51 PM   #1
jorgensensc
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Show me your Mig Welds!!!

I finally got gas for the Lincoln Promig 135. I started playing around with it and the welds look 100% better. At first they didn't improve much, but then I realized I was using the wrong tip diffuser thing. I changed that out and now the welds look like smooth snakes, not really a roll of coins though.I did a butt weld on a couple of scrap pieces and I think it looks good, but I would like to see your welds to make sure mine looks close. So can y'all show me some good Mig welds with gas before grinding smooth? I appreciate it!!
Shawn
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Old 02-06-2007, 06:51 PM   #2
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Re: Show me your Mig Welds!!!

What tip diffuser thing? I can't weld worth crap no matter what I do, but I keep trying. If I knew what it was maybe I could change mine too. Probably wouldn't help my skills.
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Old 02-06-2007, 07:01 PM   #3
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Re: Show me your Mig Welds!!!

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Old 02-06-2007, 07:12 PM   #4
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Re: Show me your Mig Welds!!!

take a roll of dimes and fold them over and that is what my welds look like.
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Old 02-06-2007, 07:36 PM   #5
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Re: Show me your Mig Welds!!!

with mig it doesnt look like a roll of coins most of the time unles you weld with short bursts its like half a sec on the spot move a little and zap again half a second
a continuous weld looks just like that a continuous weld if its the same bead and it has penetration all the way through the metal youre doing a good job
the famous coins are more a tig weld thing where you can add filler rod and vary youre output
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Old 02-06-2007, 08:05 PM   #6
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Re: Show me your Mig Welds!!!

heres some goofy head stands i just made not a lot of welding

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Old 02-06-2007, 09:09 PM   #7
BACKYARD88
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Re: Show me your Mig Welds!!!

Here are a couple shots of the welds on my crossmember section. I didn't spend a lot of time cause no one is gonna see it anyhow. And, a pic of digger just for good measure. Bet there's some good welds on that sucker!
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Old 02-06-2007, 09:23 PM   #8
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Re: Show me your Mig Welds!!!

mine looks like bird poop! after eating berries!
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Old 02-06-2007, 09:26 PM   #9
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Re: Show me your Mig Welds!!!

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mine looks like bird poop! after eating berries!

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Old 02-06-2007, 09:27 PM   #10
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Re: Show me your Mig Welds!!!

the roll of coin weld isnt just for tig, but with the gas mig or flexcore mig my welds look like a roll of coins how much like it does vary and it also varies on the aplication its doesnt always HAVE to be a roll of coins as long as you have good penetration its good i personaly think the roll of coins looks cool so i do it alot but its not needed
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Old 02-06-2007, 09:28 PM   #11
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Re: Show me your Mig Welds!!!

I could never get a real good weld with my 135. Bought the new 175 and love it.
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Old 02-06-2007, 09:28 PM   #12
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Re: Show me your Mig Welds!!!

Quote:
Originally Posted by msgross View Post
mine looks like bird poop! after eating berries!
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Old 02-06-2007, 09:29 PM   #13
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Re: Show me your Mig Welds!!!

I'll have some soon when I get my gas
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Old 02-06-2007, 10:30 PM   #14
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Re: Show me your Mig Welds!!!

Here is the only few I got done before I left to pick up my little one from school:

The one on the left is one with gas, but the wrong diffuser thing. I changed it and got the weld on the right.


THis is an up close of the weld on the right:


Here is the backside of the one on the right side (the one I think is okay). THe weld doesn't look like it goes all the way through, but it almst does..


I know I need more practice, but am I on the right track with the one on the right? How do I get the weld to go a little deeper on that one? I am at the max voltage. Do I just slow the feed and stay on spot a little longer?
Thanks for the advice.
Also, what should my gas pressure be at? I've got it set at 15 psi right now, is that right?
Shawn
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Old 02-06-2007, 10:47 PM   #15
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Re: Show me your Mig Welds!!!

Quote:
Originally Posted by msgross View Post
mine looks like bird poop! after eating berries!
Or it looks like where a coon took a sh#t on a log and walked through it backwards. Thats what my shop teacher used to tell me.
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Old 02-07-2007, 01:45 AM   #16
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Re: Show me your Mig Welds!!!

jorgensensc slow down! your crown is too high and you have arrows instead of snake belly's. your on the right track. you might want to play with your wire speed a little.
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Old 02-07-2007, 03:28 AM   #17
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Re: Show me your Mig Welds!!!

You will search far and wide to find welds any better than PORTERBUILT lays down. Search some of his threads and you can set you goals high and strive for his level of performance. That is coming from a circle track guy that has seen alot of welds. I only wish to have welds as nice as his someday. I'm sure alot of guys on here will agree. Looks like your on the right track though practice makes better because no one is perfect.
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Old 02-07-2007, 03:59 AM   #18
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Re: Show me your Mig Welds!!!

yup porterbild and trepanier from rad rides have allmost the same welds its allmost spooky
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i got a job again and having fun at it too

idea's for the trucks and the order of things to do are taking shape and get closer to being realized , a few more months and i be able to start building for real

i complete 2 of the trucks intoo running fashion one custom and one basicly stock the thirth will be sacrificed for parts
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Old 02-07-2007, 07:23 AM   #19
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Re: Show me your Mig Welds!!!

No beads on this picture. But good penetration. This is my homemade Chevelle flatbottomed floor. Welder made a big difference. Started with an Italian MIG that was really inconsistent with the temperature. Got a cheap German welder and saw a big improvement.
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Old 02-07-2007, 08:09 AM   #20
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Re: Show me your Mig Welds!!!

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Originally Posted by watahyahknow View Post
yup porterbild and trepanier from rad rides have allmost the same welds its allmost spooky

The pics your seeing of portorbuilts welds are awesome, but not MIG. Your not going to get MIG beads looking that nice.
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Old 02-07-2007, 11:14 AM   #21
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Re: Show me your Mig Welds!!!

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The pics your seeing of portorbuilts welds are awesome, but not MIG. Your not going to get MIG beads looking that nice.
I thought Nathan's work was all (or mostly) Tig. You are right about his welds, though. A thing of beauty to behold.
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Old 02-07-2007, 11:26 AM   #22
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Re: Show me your Mig Welds!!!

Quote:
Originally Posted by jorgensensc View Post
Here is the only few I got done before I left to pick up my little one from school:

The one on the left is one with gas, but the wrong diffuser thing. I changed it and got the weld on the right.


THis is an up close of the weld on the right:


Here is the backside of the one on the right side (the one I think is okay). THe weld doesn't look like it goes all the way through, but it almst does..


I know I need more practice, but am I on the right track with the one on the right? How do I get the weld to go a little deeper on that one? I am at the max voltage. Do I just slow the feed and stay on spot a little longer?
Thanks for the advice.
Also, what should my gas pressure be at? I've got it set at 15 psi right now, is that right?
Shawn
Gas pressure should be at about 5-7 lbs too much gas pressure will pull oxygen into the puddle and cause porosity.
Looks to me that you are a little hot and not enough wire feed??? too much spatter. this can also be controlled by arc length (wire stickout from the contact tip) too much you'll get spatter. I've always set my welders by the sound. I'll set my heat to the material thickness then match my wire speed for the sound I'm looking for. It helps to have been welding for a living for 18 yrs.
If you're doing spray transfer it should hiss, if you're doing short arc it should buzz
The way I usually start setting my welder is say my welding heat setting is 5
I'll set my wire feed at 60

Also if you really want nice clean welds take a second w/ agrinder and clean the surface you're going to weld (take the scale off) just make it shiny no gouging just a quick swipe.

If you've any more questions feel free to post I'd be happy to help,that goes for anyone (I'm not an expert but I did sleep at a Holiday Inn Express) I've become a desk jockey and truly miss being in the shop. I've built everything from food processing equip, to cell towers,buildings and lots of custom aggregate processing equip (huge stuff) and lots of stuff in between.

Hope this helped

Brian
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Old 02-07-2007, 01:46 PM   #23
watahyahknow
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Re: Show me your Mig Welds!!!

the sound youre looking for when welding mig is the sound of eggs and bacon frying in a pan not realy spattering but more sizling
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i got a job again and having fun at it too

idea's for the trucks and the order of things to do are taking shape and get closer to being realized , a few more months and i be able to start building for real

i complete 2 of the trucks intoo running fashion one custom and one basicly stock the thirth will be sacrificed for parts
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Old 02-07-2007, 02:21 PM   #24
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Re: Show me your Mig Welds!!!


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Old 02-07-2007, 02:34 PM   #25
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Re: Show me your Mig Welds!!!

This is the pic I have handy of a recent weld. It was done with a miller 175.It is the plate on the side of my frame where I Zd it.
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