Device for operating an injection molding machine
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United States of America Patent
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-
Jun 15, 1999
Grant Date -
N/A
app pub date -
May 13, 1997
filing date -
May 13, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for operating an injection molding machine with a stationary die plate on a machine bed and a movable die plate, which die plates are lockable during an injection process by magnetic closing elements, the process including the steps of moving the movable die plate toward the stationary die plate to close a mold, simultaneously moving a structural component part enclosing one of the die plates toward one end to a distance of a few millimeters from the other of the die plates, locking a drive of the movable die plate, activating electromagnets arranged at the structural component part enclosing the one die plate by supplying current, adjusting generation of electromagnetic closing force relative to energy level and duration in dependence on an injection process, and at the end of an injection cycle, moving the movable die plate and the structural component part enclosing the one die plate into an end position in which a free space is formed, so that the free space above the machine bed between the die plates can be accessed freely in an open operating state of the injection molding machine.
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