Best Sheet Metal Spot Welder

While sheet metal is primarily a tig welding job there are times when it s handy to have an available mig welder to fuse sheet metal.

Best sheet metal spot welder.

It s also easy to do with a spot welding machine which has 2 electrode tongs about 6 inches 15 cm long that pass an electrical current through the metal to fuse them together. Everyone is different but those settings will get you in the right ballpark to weld sheet metal. Free shipping on many items. 4 new refurbished from 175 00.

A good heat setting for 1 8 6011 rods on thin material is about 80 90 amps. Forget the larger 1 8 inch tungsten electrode and use a smaller one. Vehicle manufacturers use resistance spot welding in the factory. You will want to obtain a spot welder if you need to weld metal sheets to each other.

The welding electrodes are made of copper for its good conductive ability. To weld sheet metal with solid wires use electrode positive ep or reverse polarity. Spot welding uses the heat from an electrical current to join 2 pieces of metal quickly and is typically used for joining sheet metal. With portable design and wide applications the suncoo features a variable feed speed controls and a rotary knob to easily adjust the current flow and wire.

The elemental equipment needed for spot welding consists of the workstation that includes the welding power supply and the weld head to which the welding electrodes are attached. Portable electric spot welding machine sheet metal welder solder tool 120 volt. The hobart handler 140 mig is the best affordable mig welder for sheet metal. Sheet metal warps easily and also can burn through easily.

Just grab a piece of sheet metal to get the heat set correctly and go to town. It s one of the highest quality machines available and comes incredibly low priced. 14 pack spot weld cutter sets double sided 3 8 hss spot weld cutter remover drill bits hex sheet metal hole cutter remover for power drill spot welding 4 6 out of 5 stars 44 17 98 17. Tig welding sheet metal.

These joints created by resistance spot welding form a button or fused nugget resistance spot welds are found typically on flanges staggered in a single row of consecutive welds. For 3 32 7018 s it s about the same. Resistance spot welding is the joining of overlapping pieces of metal by applying pressure and electrical current. When welding a long bead on sheet metal you ll put excessive heat into the panel and run the risk of the puddle falling through the panel.