A plasma cutter looks similar to an arc welder, but instead of joining metals, the job here is to cut through them quickly and accurately. We’ve been looking at the technical aspects so we can help ...

Plasma cutters are ridiculously cheap these days, just cruise by the usual online sources or your local Harbor Freight if you’ve got any doubt about that. But “cheap” and “good” don’t always intersect ...

Affordable plasma cutters are becoming a popular step up from an angle grinder for cutting sheet metal in the home workshop, but cutting long straight lines can be laborious and less than accurate.

Designed to cut through thick and tough metals, plasma cutters are best suited for machine shops and heavy-duty construction applications. They rapidly heat up with compressed air or gas, and the arc ...