A plasma cutter isn’t as common, and while they’re certainly useful, [Rulof] wanted to forgo the expense of buying one off the shelf. Instead, he used parts of an old welder and a few other ...

Plasma welding machines melt areas with an arc and then use a high-velocity, high-temperature ionized gas to make welds. The process of plasma welding is used to bring better control to the arc ...

Plasma cutting machines cut materials and metals using a stream of high-velocity ionized gas, known as plasma, as a heat source. These devices require a supply of compressed air or gas with an ...

Forging, welding, milling, grinding ... Adding in fancy new tools like CNC plasma cutting and computer-aided drafting doesn’t change that much, although new methods often do call for a little ...