PT ZONE: Extrusion

PT Article PTi To Jointly Commercialize Patented Layer-Flipping Technology
Novel device provides efficient method for changing layer configurations. More (+)
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Can liner firm Aluf adds capacity in Lone Star state. More (+)


Screw, Barrel Innovator Paul Colby Dies

Entrepreneur who built Spirex into a leading producer of screws and barrels was inducted into the Plastics Hall of Fame in 2009.

PPA Adds Four to Membership Roster

Group also names Gail Bristol new president.

EXTRUSION: Output-Boosting Cooling System

Reifenhauser also to display new control panel at NPE.

EXTRUSION: Lab Extruders In New Configurations

They include horizontal compounding line.

‘Breakthrough’ Technology Allows for Super-Swift Sheet-Thickness Changes

New system uses a single-point adjustment to change the lip gap and modify the lip land length at the same time.

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Extrusion is a continuous process through which parts of a fixed cross-sectional profile are made. Material is fed through a hopper into an extruder, essentially a rotating screw surrounded by a heated barrel, where it is mixed, melted and pumped through a die. The die gives the part its shape. From this zone you link to information on some of the more common extrusion methods, such as film, sheet, and pipe/profile/tubing

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» Blending & Dosing

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


» Plastics Conveying

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

» Plastics Feeding

Learn about continuous feeder types and their operation.

» Purging Compound

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

Product Announcements

EXTRUSION: Output-Boosting Cooling System
Reifenhauser Blown Film 3/10/2015
EXTRUSION: Lab Extruders In New Configurations
Randcastle Extrusion Systems, Inc. 3/10/2015
RECYCLING: Shredder/Extruder Technology To Debut At NPE2015
Erema North America Inc. 3/2/2015
EXTRUSION: Control Systems for Extrusion
Eurotherm Inc. 2/24/2015
COMPONENTS: New-Generation, Low- Shear Mixer
Reiloy Westland Corporation 2/6/2015

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