How to Use an Arc Welder

Arc welding uses an electrical current between an electrode and the welding material to melt the metal and create the weld. The area being welded is sometimes protected by semi-inert gas or filler material. Arc welding is commonly used because of the low cost and is normally the first type of welding apprentices learn.

Instructions

1. Prepare to weld. Your practice area should be outdoors without any flammable materials nearby. Secure the practice steel to a work platform, attach the ground to the steel and place the welding rod in the other clamp.

2. Put on your protective equipment, especially the helmet. Looking at the arc unprotected can instantly cause permanent eye damage.

3. Turn the welder on and set it to about 80 amps. Touch the electrode to the steel and pull it back slightly. Break it loose and try again if it sticks. Increase the amperage if it continues to stick.

4. Feed the electrode into the arc to maintain it. It will make a distinctive crackling noise when it is an appropriate distance from the metal, usually about ¼ inch. The device will emit more of a popping noise with flying sparks if it is too far away and will stick to the metal if it is too close.

5. Lay a bead down a single piece of practice metal first. Once you become proficient at this, you may advance to welding two pieces of metal together.