Method of controlling a compression injection molding machine
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United States of America Patent
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May 13, 2003
Issued Date -
N/A
app pub date -
Sep 7, 2000
filing date -
Jul 7, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of controlling a compression injection molding machine having a movable die mounted on a movable die plate including using a pressure sensor to detect a reaction force produced at the movable die by resin being injected into a die cavity. The pressure sensor is positioned between the movable die plate and a housing supporting a toggle driving mechanism that moves the movable die plate and movable die. The output of the sensor is applied to control the injection of the resin into the die cavity or the thickness of the resin. This output can also control gate cutting or resin injection speed.
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