Superimposed high striking voltage power supply circuit for electrical discharge machining
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United States of America Patent
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Apr 17, 1984
Grant Date -
N/A
app pub date -
Oct 26, 1981
filing date -
Oct 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A circuit for electrical discharge machining including two MOSFETS. The first MOSFET (28) has its power conducting terminals connected between the gap (20,22) and DC power supply (30). Its gate is connected to a source of variable amplitude signals (14). The second MOSFET has its power conducting terminals connected between the gap (20,22) and a voltage DC power supply (40). It has its gate connected to a source of spike signals (18). A multivibrator (10) conjointly operates both sources (14 and 18).
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