lol, looks identical to the welds I used to make with my tombstone, before I got rid of it.
YES, you can run 7018 on an AC225, it just doesn't compare to running it on any DC capable welder, tho.
The higher the amperage, the easier it becomes, however. You're pushing more power, so its easier to get started and harder for a random arc outtage to occur. I ran 5/32" rods on the AC side of my stickmate before (it had a higher duty cycle on AC), and they ran great... well... greater than expected.
However with AC, its harder to strike an arc, you get tons more spatter, the arc isnt nearly as smooth, you need a jackhammer to remove the slag for some reason, and you get random arc outtages.
Yes, you CAN do it, (BTDT), but in my honest opinion you're better off with a DC capable machine. I know some people are happy as can be running it on their tombstones, and thats great, so was I... But I got a DC machine and never looked back.
Here's the video STAN was talking about.... Just keep in mind, the AC SMAW side of my Precision Tig is a *little* different than a buzzbox's AC side.... Audio/Video clip:video1
Re: Welding 7018 with a buzz box in reply to Lanse, 12-20-2012 06:23:43
Thanks for posting that video again. It's a good one. I had misremembered the results---somehow thought that all three types of rod you tested had turned out stronger when welded AC than DC.
I also watched one you made in 2009 comparing 6011, 6013, 7014, and 7018, all welded DC. At the end of it you announced that you were going to put the test plates on eBay---the proceeds to be directed to the shop and future videos. Did you do that, and, if so, how did it work out?
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