Plasma is superheated, compressed air that ionizes to form a conductive gas. This gas conducts electricity from the torch of the plasma cutter to the work piece, through a electrode and copper nozzle ...

The fourth state of matter HF Contact or Pilot Arc Plasma gouging, too Anyone working in a fabricating shop or machining operations comes face to face with a steady stream of science and technology ...

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 ...

THIS is the fourth in the series of articles on welding safety. The central theme of these articles has been to emphasize that welding, if mastered and performed safely, is a rewarding profession, and ...