Servo-press machine
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United States of America Patent
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Jan 1, 2013
Grant Date -
Jul 30, 2009
app pub date -
Jan 22, 2009
filing date -
Jan 25, 2008
priority date (Note) -
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Abstract
A servo-press machine determining whether or not a drive power supply voltage between a positive power supply path and a negative power supply path that connect a power supply device and a motor rotation control section is lower than an induced voltage of a servomotor, and correcting speed-related data based on slide motion information when the servo-press machine has determined that the drive power supply voltage is lower than the induced voltage.
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