Extrusion
Your Extruder's Best Friend
That's the melt pump, and its main purpose is to precisely control output to the die.
Read MoreMaterials at NPE 2003
The footprint of thermoplastic materials suppliers at this year’s NPE is going to be fainter than usual.
Read MoreExtrusion at NPE 2003
NPE is typically a competitive display of the biggest, most dramatic equipment machine builders can muster.
Read MoreLook Out for Metal-to-Metal Wear
Wear that occurs as a result of metal-to-metal contact in extruders is quite common.
Read MoreEntrepreneur Puts Mixed-Polymer Recycling On Track to Success
Polywood Inc. in Edison, N.J., uses mixed recycled plastics to make fiber-reinforced structural profiles for railroad ties, I-beams, and decks.
Read MoreInternational Manufacturing Alliances Expand Processors' Reach
Processors looking to expand their business overseas or across the border into Mexico have several alternatives.
Read MoreMelt Fracture or Interfacial Instability? Different Ills Needs Different Cures
In blown film, clarity is often considered synonymous with quality.
Read MoreClose-Up On Technology - Interchangeable Dam Adds Versatility to Screw
A new barrier screw has removable keys to change the dam height, allowing the screw to be tuned for highest throughput with resins as different as LLDPE and nylon, says the screw’s designer, Robert Dray, president of R.
Read MoreA Family Film Business Goes High-Tech
Papa, as Norman Rabenstein is fondly called on the shop floor, brought his family up to make plastic film.
Read MoreHow to Compare Barrier Screws
When processors asked screw designer Robert Dray how to compare different types of barrier screws, he modeled melting capacity based on the biggest single factor, solids channel area. It gives a quick way to evaluate barrier-screw designs.
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