Injection molding apparatus
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United States of America Patent
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-
Sep 22, 1987
Grant Date -
N/A
app pub date -
Jul 8, 1985
filing date -
Dec 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An injection molding apparatus for automatically presetting parameters of injection conditions by performing trial injection. A time (T0) and an injection quantity (C0) are obtained (step 124), wherein a drive current (I2) of a servo motor (M2) for performing trial injection reaches a drive current (i0, step 123) corresponding to a maximum injection pressure. Parameters (A, B, D) of the injection conditions stored in a memory, are read out in accordance with the detected time (T0) and the detected injection quantity (C0) to automatically set the injection conditions (step 131).
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