FIELD: machine engineering, cutting electrically conducting materials in automobile and aircraft making industry branches. SUBSTANCE: method comprises steps of passing direct electric current through tool, cuttings and blank in cutting zone; determining emf. of cutting zone and correcting electric current intensity according to emf. until achieving emf. value corresponding to desired cutting temperature; in order to eliminate interruption of working process, periodically determining emf. after beginning cutting process at turning off electric current; then additionally correcting polarity of electric current turning on. EFFECT: enhanced reliability and accuracy of method.
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