Injection molding unit for injection molding machines
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United States of America Patent
Stats
-
May 23, 1995
Grant Date -
N/A
app pub date -
Jun 23, 1993
filing date -
Jun 23, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An injection molding unit for injection molding machines includes a first subassembly having a plasticizing unit including a screw cylinder and a screw, a second subassembly having a metering drive to rotate the screw of the plasticizing unit, a third subassembly having two drives with substantially parallel axes for providing motion of the screw cylinder relative to an injection mold, and a fourth subassembly having two drives with substantially parallel axes for producing actual displacement of the screw in the screw cylinder of the plasticizing unit, with the plasticizing unit being located substantially centrally between the two parallel axes of the third and fourth subassembly drives, and with the two drives of said fourth sub-assembly include two liquid-cooled electric servomotors, respectively, electrically connected to one another to operate synchronously.
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