Geometric description
Counter-Rotating Twin-Screw Extrusion
Article REF: AM3652 V1
Geometric description
Counter-Rotating Twin-Screw Extrusion

Author : Bruno VERGNES

Publication date: January 10, 2020 | Lire en français

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1. Geometric description

1.1 System classification

The first criterion used to define counter-rotating twin-screw extrusion systems concerns the level of interpenetration of the two screws. A screw is said to be interpenetrated when the threads of one screw penetrate the channel of the neighboring screw, and non-interpenetrated when they do not. Figure 1 illustrates these two situations.

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