PT ZONE: Compounding

Barrel Repair: When Does It Make Sense?
Repairing a barrel can save you time and money vs. buying a brand-new one. But it’s not an easy fix and not even always possible. More (+)
What Processors Are Doing To Bridge the Skills Gap
Seasoned technicians are leaving, and replacing them with youngsters is a challenge. But some processors have taken dramatic initiatives to change how young people think about manufacturing and are bringing the next generation into the fold. More (+)

MOST RECENT CONTENT: Compounding

INJECTION MOLDING, EXTRUSION: Barrel Inlay Provides Enhanced Wear, Corrosion Resistance

Higher chromium content is the key.

COMPOUNDING: Water-Filtration System Cuts Pelletizer Energy Use

Savings of up to 17% are reportedly possible by the elimination of a separate fines-removal sieve and pump.

EXTRUSION/COMPOUNDING: Multi-Process Twin-Screw Lab Line In a Small Package

Can be transformed from a compounding system to one for extruding blown or cast film by exchanging the dies and docking module for the new processes

Solving Common Problems in Underwater Pelletizing

Pellet quality and consistency are critical to any compounding operation. But in underwater pelletizing, a variety of issues can stand in the way. Here’s how to fix them.

Krauss Maffei’s open house reaffirms importance of North American market

A full parking lot outside and packed warehouse inside during a recent open house reflect the record year KraussMaffei's North American operations are enjoying.

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OVERVIEW:
Compounding

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In compounding, various materials are mixed and melted—generally in an extruder of some type—then pelletized. This pelletized material is subsequently processed into a finished or semi-finished part by either molding or extrusion. Most compounding is done on twin-screw extruders of either co-rotating or counter-rotating design. Other types of equipment, such as ingle-screw extruders, kneaders and mixers, can also used to compound materials. From this zone you will be able to navigate to more specific information on single- and multiple-screw compounding.


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Is dosing good enough? Do I need a Blender? Let Maguire walk you through the basics, process integration and more.

 

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Watch video, download datasheets and more in the Plastics Conveying Knowledge Center.

» Plastics Drying

Novatec shares their knowledge of dryers and drying techniques.

» Purging Compound

Sooner or later you will need to purge your machine. Which material should you use to purge your screw and barrel?

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