High precision and repeatability in micro injection molding using the inverse screw

摘要

For an economical production of micro components made of thermoplastics by injection molding a reproducible and precise process control is essential. An alternative to two-step plasticizing units, which are commonly used in micro injection molding, is the so- called inverse screw. This newly developed plasticizing principle enables the integration of a conventional three- zone-screw's geometry in a miniaturized plasticizing unit drastically reducing the overall melt volume.