3. Laminating units: limitations and remedies
3.1 Introduction
Here, we describe how to adapt a screw-roller assembly, known as a plasticizing unit, to the requirements of microplasturgy.
The plasticizing unit, consisting of an Archimedean screw of evolving geometry in a sheath, has a triple role:
allow polymer to be fed and transported in the solid state;
melt the polymer in the melting or plasticizing zone;
force the polymer through the tooling into the pumping zone.
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Laminating units: limitations and remedies
Extrusion: line design
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