MIG welding uphill
- Thread starter MrJimi
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wedge40
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I believe he's done this before. 
Wedge
Wedge
GreenMtns
Gold Member
Tried this technique a few minutes ago and it makes a much better weld than the downhill method I was using.
Thanks for the tip.
Thanks for the tip.
bjcsc
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Is that you?
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MrJimi
Elite Member, Rest in Peace
No, just something I found on youtube that I thought would come in handy herebjcsc said:
JB4310
Super Member
I've got a small Hobart handler 135, 110 volt, in general when welding with gas you want a pushing motion so you keep your gas flowing out front, So that technique makes perfect sense.
I also have an A/C buzz box and a DC portable, I do OK when welding in position (horizontal) but once I get out of position I really struggle. When ever possible I try to flip things over to get the weld area horizontal.
I also have an A/C buzz box and a DC portable, I do OK when welding in position (horizontal) but once I get out of position I really struggle. When ever possible I try to flip things over to get the weld area horizontal.
alltoys
Silver Member
In that video the fellow did pretty good only did you see the undercut on the bottom half left side. To bad he couldn't show how it was done during the welding process with a dark lense over the camera. Doing a vertical weld with any process is difficult let alone a MIG.
westbrooklawn
Platinum Member
Interesting... I would love to see a similar video on how to stick weld vertical. Like JB 4310, I am always flipping my workpiece over so that I can be welding horizontally... kind of hard when you are working on a bucket or trailer, etc.!
Dargo
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I have welded for about 25 years, and that is how I was taught. It has always worked for me except with some really thin material. I think most people would even find vertical welding easier with 30 over 35 wire. I dunno why, but it seems easier. Still with the thin material (i.e. under 1/8") I often create a series of connected "tap" or spot welds that are stitched together. I'd love to see a video like that on overhead welding. Even though I've been welding for a long time, and was taught by my father who has been welding professionally for 45 years, I'm still open for better techniques. It seems that every time I weld overhead I set myself on fire somehow or manage to have hot slag drop inside my boot somehow! Oh, I can do it and get a good weld that looks decent, but I still hate having hot items drop into my pockets, pant cuffs, and somehow in my boots.
Oh, I can do it and get a good weld that looks decent, but I still hate having hot items drop into my pockets, pant cuffs, and somehow in my boots. 
SPIKER
Elite Member
DARGO:
for welding MIG uphill is done mainly for structural stuff and when using flux core wire. It is customary for me to usually weld downhill for most mig applications on any thing less than 1/4" material if over 1/4" and or using flux core then uphill is better... as far as overhead, yea I set my underwear on fire 2 times in the past, something ya don't want to happen
Mark M
for welding MIG uphill is done mainly for structural stuff and when using flux core wire. It is customary for me to usually weld downhill for most mig applications on any thing less than 1/4" material if over 1/4" and or using flux core then uphill is better... as far as overhead, yea I set my underwear on fire 2 times in the past, something ya don't want to happen
Mark M