Scientific journal
Scientific Review. Technical science
ISSN 2500-0799
ПИ №ФС77-57440

INVESTIGATION OF ELECTRODE BREAK REASONS DURING STACK WIRE LECTRICAL DISCHARGE MACHINING

Shlykov E.S. 1 Ablyaz T.R. 1 Vershinina T.A. 1 Morozov E.A. 1
1 Perm national research polytechnic university
This article is about investigation of electrode break reasons during stack wire electrical discharge machining. Some experiments for investigation of electrode break were carried out. The stack wire electrical discharge machining process was made with a different parameters of machining and different number of stack pieces. The range of parameters which affect to electrode break was found. One of the possible reasons of electrode break is short-circuit. The volume of the removed electrode tool was measured by the experimental data. There is sharp increase of current intensity in the process of electrode break. The current intensity value that occurs in the breakdown channel was determinate. The range of electrode break current intensity value changes was presented. According to the article it is possible to confirm the hypothesis of electric arc occurrence during the machining