PT ZONE: Multi-Screw Compounding

COMPOUNDING: Twin-Screw Extruder Now Has Servo-Motor/Drive
New motor said to be much quieter, more accurate. More (+)
PT Article Are You A Film or Sheet Processor? There’s Plenty to Learn at the Extrusion 2015 Conference
  Have you checked out Plastics Technology’s upcoming Extrusion 2015 Conference? More (+)


MOST RECENT CONTENT: Multi-Screw Compounding

Involved in Extrusion? We've Got You Covered With New Conference

It’s all here at The Extrusion 2015 Conference in Charlotte, N.C., Nov. 2-3.

The Extrusion 2015 Conference: Open for Business

Registration is now open for a new conference that hits on all extrusion technologies. Go online and sign up: Nov. 2-3, Charlotte, N.C.

O’Neil Color & Compounding Expands New Jersey Facilities

An expansion in Tennessee is next.

From Extruder to Pelletizer: What Happens in Between Influences Quality

There’s a lot more to strand pelletizing than dunking material in water and hoping for the best. Here’s some advice on taking out some of the guesswork.

ICMA Sets Up Lab Line In Michigan

Italian twin-screw compounder available for trials.

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OVERVIEW:
Multi-Screw Compounding

multiscrewCOMP.jpg

Most materials today are compounded on multi- (usually twin-) screw compounding extruders. Most of these machines feature co-rotating, intermeshing screws, though there are applications in which counter-rotating, intermeshing or non-intermeshing machines are used. Extruders with more than two screws have been developed for applications requiring more intense devolatilization and reactive processing.


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