FIELD: processes for controlling electric arc at treating materials, possibly in different branches of industry.
SUBSTANCE: process comprises steps of forming electric arc discharge in gap between cathode arranged in gas supply nozzle of tool for electrothermic treatment of materials and treated material; blowing electric arc discharge by gas flow with increased degree of turbulence; swirling gas flow before its ejection from gas supply nozzle of tool for electrothermic treatment. It provides increased surface area of cross section of arc discharge column in working zone.
EFFECT: possibility for treating sufficiently large-size parts.
1 cl, 2 dwg
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