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I am new to welding and teaching myself. Right now I am trying to figure out why my welds are all pitted. The solution I find on the web is lack of shielding gas. I am using a LIncoln sp-100 with .035 flux core wire right now. The welder has a hook up for gas, and I have the tank but it isn't connected b/c of the flux core wire. THis is the way I bought this used machine. Should I use the gas? Change polarity, which is reversed right now for the flux core? Other Ideas? Thanks
Reply:Use the C25 and solid core wire, you will be much happier with the results. Good Luck!
Reply:While some flux-cored wires need gas-shielding, it is likely the wire you have is the type that does not. The polarity will need to be reversed however, so the ground clamp should be attached to the + terminal.Take a picture of the weld and post it here so we can see what is going on.Have we all gone mad? |
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发表于 2021-9-1 00:18:38