Control method for servomotor in injection molding machine
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United States of America Patent
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-
Jun 8, 2004
Grant Date -
Oct 31, 2002
app pub date -
Apr 29, 2002
filing date -
Apr 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method for controlling a servomotor in an injection molding machine having a servo amplifier which outputs a driving current 16 according to a command signal 15 transmitted from a control device 1 and a servomotor 8 having an encoder 9 which is driven by the driving current 16, the encoder 9 transmits angular displacement data 13, 14 to the encoder 9 according to a request command supplied from the control device 1. The control device transmits a command signal 15 calculated based on the received angular displacement data 14 to the servo amplifier 6.
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