FIELD: electricity.
SUBSTANCE: invention relates to pulse and cyclic dimensional treatment of metals with discrete system of inter-electrode clearance monitoring. According to pre-programmed cycle, one of electrodes is communicated with asymmetrical oscillations, while the other electrode is communicated with symmetrical oscillations in the direction of the first electrode and with frequency synchronous to adjusting current pulses. Adjusting current parameters are programmed to switch on when pre-programmed inter-electrode clearance will be adjusted according pre-programmed time. Inter-electrode clearance value is calculated when contact availability signal at the moment of electrodes relieving disappears.
EFFECT: method improves stable operation of discrete pulse and cyclic systems and eliminates the problem of electrode short-circuiting.
19 dwg
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