120-Volt Mig welder.
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brin
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brin
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Bob, I am really hoping you were just kidding about that!
Yeah James...just trying to stir things back up....LOL
k0ua
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Well, hey, at least you got our attention!
Happy Gilmore
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Amtrak has also outfitted repair crews with HF AC 110 mig machines for track repairs, they seem to be working just fine and should be passing the savings on to passengers beginning this Thanksgiving. Sodo will be hosting a seminar in a rail yard near you this coming Labor Day.
muddstopper
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It might interest some that railroads do use wire welders for building up switch points and frogs. Little over 110v though. Most rail is either thermite welded or flash butt welded. If you ever saw anybody weld bandsaw blades together, thats pretty much how rail is flashbutt welded.
Sodo
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Boy I leave for a few days and the forum grinds to a halt. This is no good for the forum advertisers. I'll do what I can to stir things up.
Here's a 120volt weld on 3/8" steel, 60 degree bevel. It's two passes. That's a 1/4" bolt for scale.
I have a 20T press but don't have any fixtures to bend it. Probably can whip something up, but do you think a guy with a 120V welder can actually construct a bending fixture that won't injure forum members in 3 adjacent counties?
** edit ** ooops it was 3 passes ****
Also added pic of the weld backside. No animals were harmed during the making of this test plate.
Here's a 120volt weld on 3/8" steel, 60 degree bevel. It's two passes. That's a 1/4" bolt for scale.
I have a 20T press but don't have any fixtures to bend it. Probably can whip something up, but do you think a guy with a 120V welder can actually construct a bending fixture that won't injure forum members in 3 adjacent counties?
** edit ** ooops it was 3 passes ****
Also added pic of the weld backside. No animals were harmed during the making of this test plate.
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dragoneggs
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Give us some details on wire size, feed, speed, technique, etc... please. Looks pretty **** good to me but I know, pretty isn't what we are after.Boy I leave for a few days and the forum grinds to a halt. This is no good for the forum advertisers. I'll do what I can to stir things up.
Here's a 120volt weld on 3/8" steel, 60 degree bevel. It's two passes. That's a 1/4" bolt for scale.
I have a 20T press but don't have any fixtures to bend it. Probably can whip something up, but do you think a guy with a 120V welder can actually construct a bending fixture that won't injure forum members in 3 adjacent counties?
Sodo
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I welded it to bend it, my intent is to see if it's strong.
I chose the 1/4" thickness preset then upped the voltage, reduced the wire speed and just welded like a sumb**ch. My wire is .030. Sorry I didn't make a note of the numbers and don't know any buzzwords.
dragoneggs
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Thanks Sodo... that is pretty much what I was looking for. As I understand it, reducing wire speed makes the joint 'hotter' as well as increasing voltage.
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