Index
A: PL120100.100
B: PL120100.100
E: 03.93 / T. Weiß
G: 06.93 / T. Weiß
Chapter: 10
Page: 1
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Chapter 10: Index
10.1 Description of technical terms
Closing force
The closing force can be established and maintained both
mechanically and hydraulically.
Closing plate
See nozzle plate.
Closing unit
The tasks of the closing unit are: lifting the mould, opening
and closing it as well as building up the mould closing force
and removing the injection piece from the mould.
Compression zone
The compression zone is the screw zone in which the screw
geometry increases steadily, i.e. the spiral depth decreases,
and the moulding material is injected.
Cooling time
The cooling time starts after the dwell pressure has been shut
off. While the injection piece cools off inside the mould, the
injection unit retreats into the metering position, and the
metering process for the next injection cycle is initiated.
Dwell pressure
See injection pressure.
Ejector
The ejector system in the movable closing plate actuates the
ejector pins installed inside the mould.
Heater band
Consists mostly of electric resistance heating systems which
heat the screw cylinder by means of thermostats.