How to Select the Right Cooling Stack for Sheet
By: Jim Frankland
First, remember there is no universal cooling-roll stack. And be sure to take into account the specific heat of the polymer you are processing.
Total Transparency at Trademark Plastics
By: Tony Deligio
Trademark Plastics’ latest investment won’t let it see the future, but by giving it vision inside parts, the new CT scanner represents a more transparent tomorrow for its validation work.
#planttour
What You Need to Know About Blade Ejectors: Part 1
By: Jim Fattori
Follow these guidelines to prevent premature wear, flash and galling.
The Difference Between Knit and Meld Lines--and Why It Matters
By: Jeremy Williams, consultant/trainer, RJG
In many part designs, flow fronts will inevitably be split, but how and where they come back together is hugely important to the molded part’s finished strength.
Commodity Resin Prices Rise, But PP Falls
By: Lilli Manolis Sherman
Supply constraints continue to be a key factor in further resin price increases.
#resinpricing #Elastomers #polyolefins
Solve Five Common Problems in Blown Film Coextrusion
By: By Tomislav Ivancic and Dr. Karen Xiao, Macro Engineering and Technology Inc.
The blown film industry has evolved from monolayer film structures to multilayer ones for a variety of food and non-food packaging applications. Here are typical problems with these structures and tips on how to solve them.
#bestpractices
Index Reaches All-Time High … Again
By: Michael Guckes
Index hits record mark for second straight month, with quickening expansion in new orders, backlogs and production.
#economics
Tracing the History of Polymeric Materials: Part 7
By: Michael Sepe
How—and when—cellulose-based chemistry led to the discovery of cellophane.
#Elastomers
Your Factory May Be Smarter, But Is It Less Secure?
By: Tony Deligio
A smart factory is a connected one but the same advances that allow you to check in on production remotely could allow others to tie into your plant.
#industry4-0
Gain More Control From Your Process
PSI Polymer discusses polymer gear pumps and why they’ve become necessary in extrusion.
Chinaplas 2021 Kicks Off In Person
Postponed, rescheduled and ultimately cancelled in 2020, Chinaplas has returned this week with an in-person event featuring 3600 exhibitors in Shenzhen.
Injection Moldable Glass Developed
Glassomer silica nanocomposite can be molded at 130 C with a secondary heat treatment resulting in pure quartz glass molded parts.
Weak Links in the Supply Chain
By: Tony Deligio
From pandemic shutdowns to blocked shipping canals, overseas sourcing headaches are forcing many OEMs to rethink far-flung supply chains, particularly when it comes to tooling.
Registration Now Open for Amerimold, Moldmaking and Extrusion 2021
By: Tony Deligio
The collocated in-person events will take place at the Donald E. Stephens Convention Center in Rosemont, Ill., Sept. 21-23.
Technology Never Sleeps
By: Jim Callari
Plastics Technology and MoldMaking Technology team up on a special print-and-digital May supplement that focuses on new products and technology drivers and trends to help keep you ahead of the competition.
#editorial
Novel Metal 3D-Printing Technology Optimized for Plastic Tooling
By: Matthew Naitove
A new company called Mantle offers 3D printing equipment and materials that boast unique suitability for producing injection mold components, overcoming limitations of other printing methods.
#closeupontechnology