Wire electrical discharge machine and control method
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United States of America Patent
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Jun 6, 2023
Grant Date -
Mar 11, 2021
app pub date -
Sep 3, 2020
filing date -
Sep 9, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A wire electrical discharge machine includes: a voltage application unit for repeatedly applying a voltage to an electrode gap between the workpiece and the wire electrode at a predetermined cycle; a switching element connected in parallel with the electrode gap and configured to short-circuit the electrode gap; and a control section for controlling the switching element so as to short-circuit the electrode gap in a pause period during which the voltage is not applied. The control section adjusts a short-circuiting period in which the electrode gap is short-circuited according to the machining shape specified by a machining program.
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