Cincinnati Milacron : Biggest Conical Twin-Screw for Wood Composites

What is said to be the world’s largest counter-rotating, conical twin-screw extruder for wood-plastic composites was shipped last year by Cincinnati Milacron. That model TC96 extruder, with screw diam. of 202 mm at the large end, tapering to 96 mm and 30:1 nominal L/D, is double-vented for high outputs with wood fiber. It runs wood-filled ABS, ASA, PP, HDPE, and PS at over 2000 lb/hr and wood-filled PVC at over 2600 lb/hr. Previously, the highest output of wood composite from a conical twin-screw was 1700 to 2000 lb/hr. With the new machine, Hughes increased its wood content from the prior 25% maximum to 30%. Milacron says the TC96 can process up to 70% wood.

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