Extrusion Know How
Extrusion & Thermal Properties: Not Just for the Lab Guys
Do you really need to know how thermal properties of polymers affect extrusion?
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Single-Screw Mixing 101
Almost all processes using a single screw require some degree of mixing, whether it’s just to homogenize regrind with virgin resin or to mix in some color concentrate.
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How Much Regrind Can You Handle?
Most extrusion operations generate scrap, and in the case of sheet for thermoforming it can exceed 70% of total output.
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Don't Get Burned by Adapters & Flow Pipes
Does degraded or burned polymer seem to show up when you least expect it?
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Communication Is Key in Designing Blown Film Dies
Over the years I have bought, designed, or helped design quite a number of blown film dies.
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Having Output Problems? Check Your Feed-Port Design
With an extruder, like all other devices, “it can’t come out unless it goes in first.” That’s the first thing I remember when I am asked to figure out why an extruder is performing below expectations.
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Extrusion Know-How: The Whys & Hows (& Ifs) of Vented Extruders
Vented or two-stage screws only make sense when volatiles must be removed in order to make a satisfactory product.
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Extrusion Know-How: Proper Alignment Saves Wear & Tear ... or Worse
Is extruder alignment important?
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How Much Horsepower Do You Need?
Most extrusion processors know that in order to boost output you need more power.
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