fo4imtippin
Senior Member
I appreciate the concern. The welds are okay. They popcorn a bit but upon close inspection they do penetrate the steel deeply
I only have a 110v Lincoln and doing flux core.
Flux core uses a reverse polarity setup which draws it out the weld a little more and makes a popcorn like look. Flux core, it's not clean but it's very strong. The flux in the wire allows it to bond with the steel it's being welded to more than traditional 220v welding, just not as clean looking. It's literally impossible to stack dimes on a 110 flux core setup due to the way it draws up the steel.
I've been pulling a mini-excavator on a trailer I built with the same welds and I check them periodically for cracking. I've not yet experienced any cracks. 12k lbs total weight of trailer + excavator, and it's been holding up great.
I also in addition to using flux core, I also cut a V groove into all of the weld spots with a grinder death wheel so I have a much wider crevice I welded into, so there's deeper welding you aren't seeing in the pictures. So for every weld line you see, I have 2 layers of weld. One in the Crevice, and then another layer on top.
It's not my first time welding stuff, just my first trailer hitch. I've yet to have anything I've welded come apart on me with this Lincoln and I've done a lot of weight testing over the years. That being said, I will pull some lighter loads first with it and inspect it after every pull carefully to be sure, but I'm not worried about it. I'm mostly using the hitch for light loads, not planning on pulling my cars or excavator on it.
I wanna use it for a 200 lb carry cart mostly.
I did push welding
slag=drag.. Try pulling your welds. Dont test that thing with a trailer on it. Your machine and wire is too small for that thickness of metal. attached is a flux core weld at the limit of .035 wire. This was from my hitch. Its got its issues, but it is possible to have nice flux core welds. The worst stuff is thin gauge metal, that will popcorn or burn through.