PT ZONE: Injection Molding

PT Article Trexel President And CEO Resigns To Start Consulting Firm
The firm, Eventus Global, will advise small and mid-sized plastic companies in expanding its global market presence. More (+)
INJECTION MOLDING: Foaming Technology Works on Conventional Presses
Profoam process uses physical foaming with a liquid propellant. More (+)

MOST RECENT CONTENT: Injection Molding

INJECTION MOLDING: Engel Unveils Robots, Software at Austrian Open House

Six-axis giants for presses up to 5500 tons, and new in-cycle holding-pressure control.

ELECTRIC DRIVES: Which One’s Right For Your Process?

Not all drives are created equal. There are a variety of options suited more to some applications than others. Here’s a handy guide to help you decide.

Electronics OEM's Reshoring Strategy: Set Up In-House Molding Here

Instead of ordering wireless accessories from China, Alpha Comm will mold them here itself.

Billion & Sepro Collaborate on Molding Machine/Robot Packages

Billion will supply injection presses with integrated robots and controls from Sepro.

Arburg Opens New U.S. Headquarters

Rocky Hill facility includes lab areas dedicated to the Freeformer 3D printer.

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Injection Molding


In injection molding material is fed through a hopper into an extruder, where a reciprocating screw mixes and melts the material then injects it into a mold. Injection molding machines, or presses, are rated by tonnage, which expresses the amount of clamping force that the machine can exert to keep the mold closed during the process. Most polymers can be injection molded. The types of products that are molded are wide and varied, ranging from large automotive parts to tiny gears. Navigate from the Injection Molding Zone to more specific topics on all-electric/hybrid machine technology, liquid-silicone rubber molding, micro-molding and multiu-component molding.

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» Blending & Dosing

Is dosing good enough? Do I need a Blender? Let Maguire walk you through the basics, process integration and more.


» Plastics Conveying

Watch video, download datasheets and more in the Plastics Conveying Knowledge Center.

» Plastics Drying

Novatec shares their knowledge of dryers and drying techniques.

» Plastics Feeding

Learn about continuous feeder types and their operation.

» Purging Compound

Sooner or later you will need to purge your machine. Which material should you use to purge your screw and barrel?

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