setlab Posted January 23, 2016 Share Posted January 23, 2016 I'm welding 3 legs to a 1.5" plate to make an anvil stand. What temperature should I preheat the plate before I weld on the legs? Quote Link to comment Share on other sites More sharing options...
Charlotte Posted January 23, 2016 Share Posted January 23, 2016 300 deg would be adequate according to Lincoln info I have. However, that kind of assumes you are using a stick and industrial capacity welder. Not really and expert opinion though as I'm a HOBBY class welder. Much heavier that is really needed for an anvil stand imho. When my stump rotted out I followed the basic design of Mark Aspery's "Skills of the Blacksmith" Quote Link to comment Share on other sites More sharing options...
setlab Posted January 23, 2016 Author Share Posted January 23, 2016 Ya, 1.5" is a little thick but I just happened to have a piece that fit perfectly under my anvil. Thanks for the help. Quote Link to comment Share on other sites More sharing options...
John McPherson Posted January 23, 2016 Share Posted January 23, 2016 You still have not answered the questions: What welder, what electrode/process, what material, what kind of prep, what position, how many passes? Preheat is only part of the equation. Quote Link to comment Share on other sites More sharing options...
setlab Posted January 23, 2016 Author Share Posted January 23, 2016 It's a decent sized mig machine for my shop, it will do the job. I assume both plate and legs are mild steel, and I'm not real sure how many passes it will take. Whatever looks right I suppose, I'm far from a professional but I can make a pretty looking weld most of the time. Quote Link to comment Share on other sites More sharing options...
Crazy Ivan Posted January 23, 2016 Share Posted January 23, 2016 What is the max thickness your machine is rated for and what size wire are you running? Assuming .035 solid wire with shielding gas at 26 volts you would be okay with one pass and a 1/4" weld. If not, preheat as mentioned and do 3 passes (a root and 2 cover passes) on a beveled and cleaned joint should be just fine. I don't know your experience as a weldor though so I'm not really sure what to suggest to YOU in particular. Quote Link to comment Share on other sites More sharing options...
arkie Posted January 23, 2016 Share Posted January 23, 2016 Ivan's recommendation is good. Be sure to put some cross bracing on the legs, maybe near the bottom to stabilize them. Something like 1/2" or larger rod/bar would be fine. That will reduce the stress on your legs-to-plate welds as well. Quote Link to comment Share on other sites More sharing options...
Jim Coke Posted January 23, 2016 Share Posted January 23, 2016 Greetings Setlab , Why weld that 1 1/2 at all.. I would just make an angle iron bed .. square .. For the plate to sit in and than complete your stand with your uprights .. A simple tack Weld on the bottom if you wish .. All the force is down . Just this old farm boys 2c Forge on and make beautiful things Jim Quote Link to comment Share on other sites More sharing options...
Frosty Posted January 24, 2016 Share Posted January 24, 2016 Lay that plate on the floor and use it for upsetting. Then make your anvil stand from 2" angle iron a flange up section fitted to the anvil's foot and 3 legs. There is absolutely no good reason to make such a heavy anvil stand it doesn't improve performance. Below is a pic of my anvil stand. The hammer and tong racks wedge between the stand and anvil to wedge it solidly in place, it works a treat. You could weld mine up single pass with your machine. Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
setlab Posted January 24, 2016 Author Share Posted January 24, 2016 It's a millermatic 200, right now there's .035 wire in it and I'll probably just use that. I've been told the 1/4" wall tube is on the upper limit of my machine. I'm playing around with the idea of making a shelf below my anvil to brace it too. So far I've already cut my legs at 15 degree angles so I'm pretty committed to this design. Basically I'm copying this stand: http://www.iforgeiron.com/topic/28153-another-anvil-stand-build/ It'll look neat and it's something to do so why not. Plus I have bigger "upsetting blocks "so no big loss there. Quote Link to comment Share on other sites More sharing options...
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