4 Level stack molds quadruple the output previously
offered by single face molds. These molds are suitable
for very high production volumes of shallow parts.
The 4 level stack mold is possible due to the use of a
twin Valveless Melt Transfer System (VMTS), allowing the
transfer of melt to both hot runner manifolds using
StackTeck´s fully balance hot runner system.
Pictured here is a 4x24 level mold (96 cavities) that
runs a thin wall lid (3” diameter) producing over 75,000
parts per hour at cycles close to 5 seconds.
BENEFITS
100% production increase over 2 level molds
Significant reduction in production costs (minimal
part piece cost)
Ejector system built into the mold
No machine modifications required
No additional tonnage increase requirement vs. a
two level mold
Mold design can be enhanced by combining with QPC
technology (see QPC), offering the ability to change
product quickly without taking the mold out of the
machine
Cycle time affected only fractions of a second vs.
2 level mold due to increase in opening stroke
StackTeck’s cascade approach allows for
pre-engineered convertible molds with 1, 2 or 3
opening faces to be converted to a greater number of
opening faces, should future part volume increase.
