How To Torch Weld Sheet Metal

To weld sheet metal with solid wires use electrode positive ep or reverse polarity.

How to torch weld sheet metal.

Ensure that the torch fixture is securely attached to the propane tank. Step 6 continue moving the torch along the weld line and add material to create an even weld bead until the end of the weld is reached. Move the tank s fuel knob usually located near the collar of the torch attachment to the open or on position. To fill some of the rust holes grind away the paint and rust on both sides.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. I used to have a smith torch but i ended up buying an airco. You will probably have to use a dolly and metal slapper to level the welded area after grinding because the weld metal shrinks as it cools. Alternatively with an electric torch connect the power cord and press the starter button to light the torch.

Adjust your flame and begin to carefully move the torch over the area to be welded. How to weld with a propane torch. Put on your safety goggles and thick gloves. This produces a.

Apply the flame to your weld. The gas tanks must be turned on their flows regulated and a spark or flame held up to the torch. Use a welding rod to add additional material to the weld if additional metal is needed to fill the gap. Some of the spot welders used in repair and restoration do not squeeze the weld area between two electrodes but apply spot welding force and heat to one piece of metal that is grounded through the other piece to be joined to it.

Move at an even pace in order to see your results. But now i use henrob dhc 2000. Oxy fuel welding torches. If you hold the flame too closely to the material for too long a period you will create holes in the material.

Clamp a piece of copper sheet perhaps 1 32 to 1 8 thick behind the hole and weld in some metal grind to level it. Don t attempt to weld thin materials like sheet metal with flux cored wires which put more heat into the base metal. Commonly metal cutting torches use a combination of oxygen and acetylene gases. With these materials use a tri mix gas 90 helium 8 argon and 2 co2.