The “Flux-Core ONLY” ProblemWhat is “True MIG” welding? There’s a big problem with the entry-level welder market. Most sub-$300 machines are strictly “flux-core” welders. (Flux-Core means that the shielding atmosphere for your weld is produced by burning the flux in the core of the special wire) Some manufacturers even have the stones to call their […]
How to MIG Weld Sheet Metal Without Warping! – Eastwood Auto Restoration Blog
Oil Canning is the enemyTips and tricks later; first, some thermodynamics… Riveting…As you weld, you’re moving electrons in the substrate. The electrons don’t exactly like to do this. This electrical resistance is what causes panels to heat up. That heat causes metal to expand and contract. All welds cause a little bit of heat expansion […]