Choosing the Right Gearbox and Motor for Your Single-Screw Extruder
Extruder OEMs are typically very good at sizing motors and gear boxes for extrusion applications. But you have the final decision on the acceptance of the design. Here’s what you should consider.
Read More
Your Business
Prices for PE, PS, PVC, PET Trending Flat; PP to Drop
Despite price increase nominations going into second quarter, it appeared there was potential for generally flat pricing with the exception of a major downward correction for PP.
Read MoreHigh-Tech Molder Goes Digital for QC
Allegheny Performance Plastics turned to 1factory's cloud-based manufacturing quality control software for streamlined, paperless quality systems.
Read MorePrices Up for All Volume Resins
First quarter was ending up with upward pricing, primarily due to higher feedstock costs and not supply/demand fundamentals.
Read MoreProcessing Plant Tour
Inside the Florida Recycler Taking on NPE’s 100% Scrap Reuse Goal
Hundreds of tons of demonstration products will be created this week. Commercial Plastics Recycling is striving to recycle ALL of it.
Read MoreEngineering Resins Compounder Expands to Take on More Scrap
Polymer Resources responds to sustainability push by upgrading plant with grinding and shredding equipment to take on both postindustrial and postconsumer reclaim.
Read MoreBack in the Family Business
In its 45th year, Precision Molded Plastics has carved out a technology and market niche, growing not just when opportunities arise but when they make sense, after its leader changed careers to keep the family business from changing hands.
Read MoreTechnology in Depth
Finding Efficiencies in How Components Work Together
Auxiliary systems are vital to the proper functioning of a plastic processing line, and they can be a source of major cost and efficiency improvements.
Read MoreImpacts of Auto’s Switch to Sustainability
Of all the trends you can see at NPE2024, this one is BIG. Not only is the auto industry transitioning to electrification but there are concerted efforts to modify the materials used, especially polymers, for interior applications.
Read MoreDigital Twin Creates New, Virtual Paths for Robots with Real-World Cycle-Time Impacts
Realtime Robotics seeks to get more robots involved in manufacturing by addressing the biggest current barrier: programming costs.
Read More
KNOWLEDGE CENTERS
Gain in-depth knowledge in processes, products and technology from industry experts
Trending
- How To Design Three-Plate Molds – Part 4
- The Fundamentals of Artificial Intelligence and Machine Learning and Their Application to Injection Molding
- Processing Megatrends Drive New Product Developments at NPE2024
- The Role Barrel Temperatures Play in Melting
- Consistent Shots for Consistent Shots
- Four Industry 4.0 Tech Adoption Insights from Indiana Plastics Manufacturers
- Reduce Downtime and Scrap in the Blown Film Industry
- How to Configure Your Twin-Screw Extruder for Mixing: Part 5
- Unraveling the Science and Myth Associated With Moisture Analysis — Part 2
- Let's Take a Journey into the World of Molding Thermosets – Part 1
Solutions
Fundamentals of Polyethylene – Part 6: PE Performance
Don’t assume you know everything there is to know about PE because it’s been around so long. Here is yet another example of how the performance of PE is influenced by molecular weight and density.
Read More
Screw Design Tips to Boost Productivity
In this collection of articles, two of the industry’s foremost authorities on screw design — Jim Frankland and Mark Spalding — offer their sage advice on screw design...what works, what doesn’t, and what to look for when things start going wrong.
Read More
Fundamentals of Polyethylene – Part 5: Metallocenes
How the development of new catalysts—notably metallocenes—paved the way for the development of material grades never before possible.
Read More
Latest Issue
Essential Reading
Best of Fattori, Tooling Know How
In this collection of articles Jim Fattori offers his insights on a variety of molding-related topics that are bound to make your days on the production floor go a little bit better.
Read More
Polyethylene Fundamentals – Part 4: Failed HDPE Case Study
Injection molders of small fuel tanks learned the hard way that a very small difference in density — 0.6% — could make a large difference in PE stress-crack resistance.
Read More
What You Need to Know About the Design and Operation of Maddock Mixers
Designed properly, all entering solid polymer fragments and certain types of PE gels entering the Maddock mixer can be trapped and dispersed into the matrix resin. But many are not properly designed. Here’s what to look out for.
Read More
Fundamentals of Polyethylene – Part 3: Field Failures
Polyethylene parts can fail when an inappropriate density is selected. Let’s look at some examples and examine what happened and why.
Read More
The Fundamentals of Polyethylene – Part 2: Density and Molecular Weight
PE properties can be adjusted either by changing the molecular weight or by altering the density. While this increases the possible combinations of properties, it also requires that the specification for the material be precise.
Read More
Understanding the Effect of Pressure Losses on Injection Molded Parts
The compressibility of plastics as a class of materials means the pressure punched into the machine control and the pressure the melt experiences at the end of fill within the mold will be very different. What does this difference mean for process consistency and part quality?
Read More
Latest News and Products
Wittmann Shifts Some Production out of Austria
Manufacture of several core products, including specific models and sizes of injection molding machines, automation and auxiliaries have shifted out of Austria and into Hungary, Bulgaria and Turkey.
Read More
Boise State Team Wins Circular Plastics Challenge Focused On PET Recovery
NPE2024: The competition is a collaboration between Hillenbrand, Net Impact and Coca Cola.
Read More
Engel Reorients Global Business, Adds Production in Mexico
The Austrian maker of injection molding machines and automation announced at NPE2024 that it will establish optimized sales, logistics and production structures for its three major regions: Europe, Asia and America.
Read More
Globeius Makes NPE Debut With End-Of-Arm-Tooling, Bottle Leak Testing and More
The Miami-based supplier of various plastics technologies also featured a melt-temperature testing system, closed-loop cooling manifolds and its successful mold crane offering.
Read More
LS Mtron’s Outsized NPE2024 Presence Jump-Starts Ambitious North American Market Goals
The Korean maker of injection molding machines featured eight machines in its nearly 14,000-square-foot booth with additional presses at Yushin and Incoe’s booths, as it targets 20% market share.
Read More
Bioresin for Injection Molding
Bioresins have become an increasingly popular alternative to the traditional petroleum-based resins used in the injection molding process. Download our guide to learn how you can take advantage of the growing opportunity in bioresins.
Read More
Shibaura Machine, NFM Extend License Agreement on Twin-Screw Compounders
NFM to manufacture and sell TEM series of twin-screw compounding extruders for the next 10 years.
Read More
In Memoriam: Mike Sepe
“The Materials Analyst” and long-time contributor to Plastics Technology passes away at 71.
Read More
