dies

dies 1 Mar 2022

Is Your Profile Die the Problem? Or Is It the Heaters?

When a profile is not being extruded to the tolerances of previous runs, the die is often suspect—but the real problem may be the heaters. Learn the five heater-band principles before you do any profile die work.

dies 22 Feb 2022

Rotating Tubing Dies Increase Wall Strength

New design of rotary inline or crosshead dies feature speeds to 1000 rpm.

dies 30 Aug 2021

All-Nanolayer Disk Die Pushes Blown Film Layer Limits

Patented die aims to extend blown film layer limits beyond the current nine- and 11-layer standards currently considered high-tech.

Pipe, Profile & Tubing Extrusion 23 Jul 2021

Part 2 Medical Tubing: Use Simulation to Troubleshoot, Optimize Processing & Dies

Simulation can determine whether a die has regions of low shear rate and shear stress on the metal surface where the polymer would ultimately degrade, and can help processors design dies better suited for their projects.

Sheet Extrusion 22 Jul 2021

System Allows Fast, Efficient Die Cleaning

Processing Technologies International LLC (PTi) has developed a die splitting cart called uCAMS (Universal Cleaning Assembly and Maintenance System). The system was designed with the goals of flexibility, ease, and operator safety in regards to maintenance and upkeep of an extrusion die.

dies 22 Jul 2021

Novel Line Produces 27-Microlayer Blown Film

Italian machine builder unveils blown film system that relies on feedblocks—far more common in flat-die processing—to yield thin yet strong film.

dies 22 Jun 2021

Medical Tubing: Use Simulation to Troubleshoot, Optimize Processing & Dies

Extrusion simulations can be useful in anticipating issues and running “what-if” scenarios to size extruders and design dies for extrusion projects. It should be used at early stages of any project to avoid trial and error and remaking tooling.

dies 8 Jun 2021

Italian Machine Builder GAP Installs 27-Layer Blown Film Line

System consists of nine extruders feeding 400-mm annular die, an automatic gauge-controlling air ring, and other features.

Pipe, Profile & Tubing Extrusion 22 Feb 2021

Extrusion: Follow These Tips to Get Profile Die Design Just Right

Calculating polymer flow is fairly straightforward when designing a die for a simple round profile, but as the shapes get more complicated these calculations can get extremely challenging. Here’s what you need to consider.