FIELD: machining. SUBSTANCE: blade is vertically mounted between electric contacts. A spacer from a low-melting plastic material, for example, lead, is positioned between the blade end and the electric contact. The blade end is pressed into the spacer by moving one of the electric contacts. The blade is subjected to a pulse bipolar electric current with a frequency of 50 Hz. The duration of the effect is 0.04-0.1 s. EFFECT: improved quality. 2 dwg, 1 tbl
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Authors
Dates
1994-07-15—Published
1992-03-20—Filed