Method for controlling measurement in injection molding machine, and injection molding machine
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United States of America Patent
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Issued Date -
Jun 22, 2006
app pub date -
Mar 22, 2005
filing date -
Dec 20, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for controlling measurement in a motor-driven in-line screw type injection molding machine using servo-motors as a measurement driving source and an injection driving source. Control is made so that all of a measured value of back pressure controlled by the measurement servo-motor, a measured value of an astern speed of a screw controlled by the injection servo-motor, and a measured rotational speed of the screw turn zero concurrently at timing when the screw reaches a measurement completion position. Thus, suck-back can be made dispensable.
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