Articles

best practices

Revisiting the '5 M's' of Molding

All injection molding ultimately comes down to the “Man, Mold, Machine, Material and Method.” But those key aspects can be viewed differently if you’re auditing mold changes before startup or troubleshooting changes for an already validated process.

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Attending NPE2024 From the Perspective of a Molder

NPE2024 has come and gone, but before it’s completely in our collective rearview, Plastics Technology asked Rodney Davenport, vice president at injection molder CH3 Solutions, for a processor’s perspective on the big show.

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NPE

Breaking News From NPE2024

Here is a firsthand report of news in injection molding, extrusion, blow molding and recycling not previously covered.  

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Automation

Boston Dynamics Stretches Into Autonomous Warehouse Robotics

The robotics company’s second commercial product is designed to take on physically challenging warehouse tasks.

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economics

Processing Activity Dips in May

Plastics processing took a downturn in May, the first appreciable dip since November 2023.  

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High-Tech Molder Goes Digital for QC

Allegheny Performance Plastics turned to 1factory's cloud-based manufacturing quality control software for streamlined, paperless quality systems.    

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Extrusion

Understanding Melting in Single-Screw Extruders

You can better visualize the melting process by “flipping” the observation point so the barrel appears to be turning clockwise around a stationary screw.

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polystyrene

Prices Up for PE, ABS, PC, Nylons 6 and 66; Down for PP, PET and Flat for PS and PVC

Second quarter started with price hikes in PE and the four volume engineering resins, but relatively stable pricing was largely expected by the quarter’s end.

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Use These 7 Parameters to Unravel the Melt Temperature Mystery

Despite its integral role in a stable process and consistent parts, true melt temperature in injection molding can be an enigma. Learning more about these seven parameters may help you solve the puzzle.

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Innovation in Plating on Plastic

Plating on advanced plastics solution offers improved adhesion, temperature resistance and cost savings.

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Technology Aims to Smarten Up Resin Conveying

At NPE2024, Novatec moves to rewrite the rules for material conveying with patent-pending smart-pump technology.  

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A Guide to Single-Screw Mixers

To design the best mixers for single screws, you must completely understand how polymer moves through a mixer channel or groove.   

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Plastics Size Reduction
Process Cooling