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.
Jim Frankland
President, Frankland Plastics Consulting, LLC
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.
Profile Die Design Software Simulates Cooling, Shrinkage
Enables use up of to 20 calibrators in the cooling system.
Tooling: Back to Basics On Die Springs--Part 2
Follow these steps for proper die-spring selection and installation.
Clear Your Calendars for Plastics Technology 'Tech Days'
Beginning Oct. 8, we will be bringing exclusive, live, online technical content on a wide range of processing topics that you can access for free.
Tooling: Back to Basics on Die Springs Part 1
Some molding shops insist that all of their molds have springs to return the ejector plates. And there are lots from which to choose. Here we’ll focus on compression die springs for injection molds.
New Mold Grease Smooths Operations for Troublesome Tool
Switching to a new synthetic grease helped an injection molder keep a difficult die running, eliminating unplanned downtime and cutting scrap.
New Die-Cleaning System Boosts Efficiency for Film Processor
IPG’s investment in Schwing’s cleaning system impacts processor’s bottom line by getting dirty film dies back in production quickly.
Jim Callari
Editorial Director, Plastics Technology
Extrusion: Auto Die for Coating Applications
Equipped with a motorized internal and external deckling system for safe and easy operation.
Extrusion: Enhanced Deckle Boosts Coating Productivity
Simplified mechanisms for Nordson EPC die streamline the adjustment of coating width while reducing the size of edge bead.
Extrusion: Flex-Lip Die Cuts Resin Use on Capstock Layers
Flexible hinge on multi-manifold EDI Ultraflex Die from Nordson reportedly delivers uniform weatherable layer for PVC siding, saving more than $55,000/yr in capstock cost alone.
Guill Launches 10-Day Extrusion Tooling Program
Eligible tips and dies for this program cannot be plated and must have a diameter less than 1.5 in. and a length less than 4.75 in.
What You Need to Know to Get into Coextrusion
Key considerations range from determining the right extruder sizes to tooling, matching material viscosities, and lots more. Take a look.
Extrusion: High-Output Stretch Film Line
New ‘hands-free’ die control is said to permit fast and easy product changes.
PART ONE How to Determine Viscosity Data Using a Slit-Die Viscometer
Using a slit-die viscometer connected to a lab extruder can generate accurate data on melt viscosity at various shear rates and temperatures, a useful QC tool in processing.
Chris Rauwendaal
President, Rauwendaal Extrusion Engineering Inc.
Thermoforming: Flexible Steel-Rule Die Former
A single machine be used on a wide range of molds without the need for major mold modifications
Extrusion: Simulation Software Permits Die Optimization
Long-established supplier of mold and hot runner simulation software adds extrusion to its mix.
Tooling: New Flat Die Nozzle and Cloud-Powered Mold Monitoring
Haidlmair Group will launch two new companies and two new products at K 2019, including a new iteration of its flat die unit (FDU) and a mold monitoring technology.
K 2019 Preview: Green's the Theme in Extrusion & Compounding
Themes of sustainability and the Circular Economy will be visible at the booths of many suppliers of extrusion and compounding equipment—film, in particular.
Die Upgrade Improves Tolerances, Speeds Start-Ups for Shrink-Sleeve Processor
Switch to new Nordson die improved tolerances by 30%.
Giving the ‘Royal’ Treatment in PET Packaging
In the U.S. for just seven years, Royal Interpack is emerging as a growing, innovative, customer-centric supplier of food packaging.
‘Game Changing’ Flat Die Lives Up to Its Billing
Revolutionary ‘touchless’ die and control system for cast film and coating/laminating offer speed, efficiency and operational efficiencies to processors that were previously ‘unheard of.’
Jim Callari
Editorial Director, Plastics Technology
Runipsys North America Opens New Sales and Service Center in Ontario
The France-based hot runner manufacturer has partnered with a tool and die maker in Windsor to establish a new sales and service center.
Part Two: Determining Viscosity Data Using a Slit Die Viscometer
Using a slit-die viscometer connected to a lab extruder can generate accurate data on melt viscosity at various shear rates and different temperatures—a useful QC tool in processing.
Color Innovator Swain Dies at 90
Founder of Chroma Color was a member of Plastics Hall of Fame and Plastics Pioneers Association.
Extrusion: Software Simulates Extrudate Cooling and Shrinkage
Eliminates need for processors to purchase two separate software packages for simulating the flow inside the die and for predicting the extrudate cooling.
Additives: "Green" Rust Remover for Molds, Blown Film Dies
iD Additives’ water-based, EPA tested/verified Eco-Pro 36 provides a protective coating for long-term rust protection.
Machinery Exec McCabe, 43, Dies in ATV Accident
Sales exec worked for Wittmann Battenfeld in a variety of roles before he co-founded rep firm.
