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Some welds from today (7018 & Dual-Shield)

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发表于 2021-9-1 00:28:58 | 显示全部楼层 |阅读模式
Took a few pics today at work.Didn't get any of my pipe work, I didn't have time.  And all the bosses were gathered around them because a bunch of the veteran pipe welder's welds were leaking.     Luckily mine didn't leak...Here is a 4 footish long vertical up weld.  I thought it looked pretty nice, so "snap snap".  It was ALMOST continuous.  Almost...  But I blended it together well I think.  This picture is of a vertical-up 7018 weave DRAGGED up at about a 10 degree angle to the workpiece aimed almost directly downwards!     This picture doesn't do the weld justice, it was a real beauty not only because of the appearance but because of how I welded it.  This is a practice weld I did, I had to do a practice weld because of what I had to do to weld the real weld was TOUGH.  I had to bend my welding rod in 3 places, put electrical tape on the bends so it wouldn't arc to the steel around it and weasel it around a corner into a blind spot.  This weld below was done blind.  I setup some scrap steel in a way that mimicked the weld I had to do and practiced until I felt comfortable doing it on the real piece.Here is the practice weld.  The real one is hidden and I couldn't get a camera in there to snap a picture.  It was two passes.  One root pass stringer and the cover pass weave.Last edited by WelderBoy; 09-07-2007 at 08:46 PM.
Reply:Btw, the wire was Select-Arc 720 .052".  Around 220imp and 24.5v.  Spray transfer.The rod was Lincoln Fleetweld 3/32" E7108 H4R.  Around 70-75amps.  Dig was set about halfway.Last edited by WelderBoy; 09-07-2007 at 09:21 PM.
Reply:Man I would love to work on something like that. Pictures of your Dual-shield work make me feel all warm and fuzzy inside.
Reply:Alright, here is a better shot of that test piece.  I brought it home and took a pic with my fancy digi-cam.Yes, undercut, shutup.    Remember, I was dragging up at almost a vertical up and down angle _blind_ so it's not too bad.  The weld was only semi-structural so it doesn't matter.
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