Understanding 'Boundary Conditions' in Twin-Screw Compounding
In twin-screw compounding, the objective is generally to produce the highest quality product at the maximum strand. But sometimes there are operating parameters that prevent this objective from being realized.
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Your Business
Plastics Index Shows Fourth Consecutive Monthly Gain
December reading hints at slowing contraction as plastics industry outlook improves
Read MorePrices of Volume Resins Drop by Year-End
Entering 2025, prices of major commodity and volume resins are generally in a ‘buyer’s market.’
Read MorePackaging Converter Adopts PE-Based Vacuum Skin Packaging (VSP) for Food Applications
Videplast and ExxonMobil collaborated on the development of this cost-effective VSP film solution that contains no ionomers.
Read MoreProcessing Plant Tour
Industrial Resin Recycling Diversifies by Looking Beyond Automotive
Recycler equips for new business in medical, housewares and carpeting.
Read MoreMaking Gains in the Drain Game
AWD blends extrusion and thermoforming technologies with plenty of home-brewed equipment and processes to keep water away from where it isn’t supposed to be.
Read MoreInjection Molder Amplifies Automation for Optimized Production
AIM Processing has parlayed small part molding expertise and aggressive automation, even for short run production, into a highly successful custom molding business.
Read MoreTechnology in Depth
PolyJohn Turns to Blow Molding, Doubles Its Productivity
Leading maker of portable sanitation products knew thermoforming, sheet extrusion, rotomolding and injection molding. Then it found the missing link to higher productivity and new markets: blow molding.
Read MoreAutomotive Awards Highlight Emerging Technologies
Annual SPE Automotive event gives nods to several ‘firsts’ as well as sustainability.
Read MoreNovel Line Turns Fluff to Blown Film
Processor Bioflex of Mexico is utilizing Reifenhäuser Blown Film’s EVO Fusion technology to integrate postindustrial and postconsumer recycled materials into products.
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KNOWLEDGE CENTERS
Gain in-depth knowledge in processes, products and technology from industry experts
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Solutions
Processors: Gear Up to Handle More Regrind
Plastics auxiliary and primary processing equipment was optimized for running pellets; here’s how you can adjust to the bulk density differences of flake and regrind in drying, conveying, mixing, feeding and processing.
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Process Monitoring or Production Monitoring—Why Not Both?
Molders looking to both monitor an injection molding process effectively and manage production can definitely do both with tools available today, but the question is how best to tackle these twin challenges.
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Best Practices for Engraving Cores and Cavities
Consider depth, font style, artwork size, polarity and location when engraving.
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Essential Reading
What You Need to Know About Melt-Temperature Measurement in Single-Screw Extruders
Measuring the discharge temperature is not so simple, especially when using thermocouples positioned in the transfer line just upstream of the die.
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How to Select the Right Cooling Stack for Sheet
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.
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Optimizing Pack & Hold Times for Hot-Runner & Valve-Gated Molds
Using scientific procedures will help you put an end to all that time-consuming trial and error. Part 1 of 2.
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How to Configure Your Twin-Screw Barrel Layout
In twin-screw compounding, most engineers recognize the benefits of being able to configure screw elements. Here’s what you need to know about sequencing barrel sections.
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What's Restricting My Output Rate?
In a single-screw extruder, it could be an improperly designed barrier flighted entry section. Here’s why.
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Important Factors and Approaches to Estimating Residence Time in Injection Molding
Residence time can have a dramatic impact on part quality and production efficiency but determining its value can be tricky. Use these methods and formulas to accurately measure residence time and enable it to inform everything from scheduling jobs to optimizing a process.
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Latest News and Products
No-Code Tool for Robot Interface Programming
Cloud-based library for application templates can reduce setup times by up to 80%.
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Heated Sprue Bushing Line Expanded
The company says the assemblies are designed to minimize pressure loss and enable rapid gate freeze.
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American Injection Molding Institute Partners with PennWest University
Students can pursue hands-on training at AIM’s injection molding lab while attending one of PennWest’s campuses for a new concentration in Plastics Injection Molding under the university’s Associate of Applied Science in Applied Technology (AAS-AT) degree.
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Polyfuze Polymer Fusion Labeling for Extruded Products
Polymer Fusion technology enables permanent labeling of polyolefins.
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Nissei Expands US Subsidiary
The Japanese supplier of injection molding machines has added just over 30,000-ft2 to its San Antonio, Texas, facility with new infrastructure to support the building of presses with clamp forces up to 3,000 tons compared to 1,439.
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UL Solutions Launches Non PFAS Certification
Program will help plastics suppliers demonstrate that their materials do not contain polyflouroalkyl substances, in compliance with sustainability requirements.
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UN Plastics Treaty Negotiations End Without Agreement
The goal of creating a legally binding instrument by the end of 2024 will not be met, but negotiations will continue in 2025.
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US Department of Energy Announces Funding for Critical Industrial Technologies
Funded projects include programs to decarbonize production of polymer feedstock chemicals and to develop bioplastic packaging.
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