| 2000 №12 (16) | 2000 №12 (02) |
The Paton Welding Journal, 2000, #12, 4-15 pages
Air-plasma cutting: state-of-the-art and prospects
E.M. Esibyan
E.O. Paton Electric Welding Institute of the NASU 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.Abstract
Analysis of the current status of air-plasma cutting, its technological capabilities and cost-effectiveness is given and the prospects for development of this method of processing metals and their alloys are shown. Thermal and electrophysical properties of air-plasma arc, various design solutions and schematics, used in development of plasmatrons and power sources are described. The technical characteristics of the currently available locally made and foreign air-plasma units are given.
Keywords: plasmatron, air-plasma cutting unit, thermochemical cathode, active insert, energy-heat balance of the arc, plasmatron power source, arc column concentration
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