Ram stabilizing circuit for electrical discharge machine
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United States of America Patent
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-
Mar 22, 1988
Grant Date -
N/A
app pub date -
Nov 22, 1985
filing date -
Nov 22, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A closed loop servo feed system for an EDM ram. A gap voltage signal is processed to control the servo feed operation with respect to ram velocity and also ram direction. A first network is provided with a voltage to frequency section for controlling ram velocity. A second network includes a raise/lower ram section with a comparator to determine the direction of ram movement.
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