Multiscrew

best practices

How to Configure Your Twin-Screw Barrel Layout

In twin-screw compounding, most engineers recognize the benefits of being able to configure screw elements. Here’s what you need to know about sequencing barrel sections.  

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Multiscrew

Standardized Extruder Can Be Used Anywhere

Machine can be manufactured anywhere the customer is with the same specifications, design, support and goal to advance their materials.  

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Know-How

How to Configure Your Twin-Screw Extruder for Mixing: Part 5

Understand the differences between distributive and dispersive mixing, and how you can promote one or the other in your screw design.

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Multiscrew

Strategically Manage Pressure to Help Ensure Quality in Co-Rotating Twin-Screw Extrusion

Pressure measurement provides an invaluable window into any extrusion process, but it must also be strategically managed at every stage of the process to ensure a quality part is being extruded.

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Multiscrew

New Machines, Spare Parts and Auxiliaries for Compounding

NPE2024: ENTEK displaying a range of products at the May show.

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Multiscrew

Equipment for Compounding, Reactive Extrusion, Devolatilization, Foaming and Direct Extrusion

NPE2024: Leistritz to focus on advances made via twin-screw extrusion.  

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sustainability

Twin-Screw Showcased in Circular Economy Demo

NPE2024:  A KraussMaffei twin will upcycle pelletized blood vials, which will then be overmolded on another press to produce bottle openers.   

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Know-How

Configuring the Twin Screw Extruder: Part 4

For many compounding operations, material is fed to the extruder at the feed throat. This is the case when feeding a single polymer or a blend of polymers mixed with solid additives. Some ingredients, however, present a challenge in feeding. Here’s how to solve to them.  

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Multiscrew

Program Helps Compounders Configure Screw, Barrel Layout

New software from ENTEK is said to make it easier for compounders to design their own screw and barrel configurations.  

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Know-How

How to Configure Your Twin-Screw Extruder: Part 3

The melting mechanism in a twin-screw extruder is quite different from that of a single screw. Design of the melting section affects how the material is melted, as well as melt temperature and quality.

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