Extrusion
Dead Screw Talking
There's a lot you can learn by conducting a post-mortum examination of your screw.
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Energy Miser: Reducing Compressed-Air Usage
Many manufacturing sites operate on the assumption that compressed air is free. Usage is totally uncontrolled, and open air lines cost real money.
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Look Before You Leap: When Direct Extrusion Makes Sense
The process offers great opportunities to extrude a better product at less cost, but it’s not for everyone. The formulation, product mix, and anticipated volumes must be carefully assessed to determine whether DE is the preferred manufacturing methodology.
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New in the U.S. & Growing Fast
One wouldn’t expect a Colombian packaging giant to come to Virginia for a cup of coffee, but that’s sort of what happened.
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Processing Biopolymers for Rigid Sheet & Thermoforming
Newly available cast sheet and thermoforming grades of Mirel biobased polymers open up a new range of applications in containers and other formed parts where renewable content and biodegradability are desired.
Read MoreMaximum Head Pressures for Extruders and Choosing the Best Melt-Filtration Tech
What is the maximum head pressure an extruder should run at and how do you choose which melt-filtration method is best for your application?
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How To Size & Calibrate Profile Parts
Doing it right is critical to maintaining profile dimensions.
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Screw Surging, Part III: Unfilled Discharge Section
This type of surge happens most frequently with two-stage screws when the second stage has far more capacity than the first stage. It can also happen when a screw is limited in feeding or melting, causing a partially filled metering section.
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Look Upstream to Avoid ‘GIGO’ Pitfalls in Extrusion
You may think you have a feeding issue when in reality your problem may be upstream.
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Nano Technology Moving Fast Into Blown, Flat Film
New technology to process nano blown films unveiled by Dow at Antec. Nano cast film, sheet advances too.
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