PT ZONE: Injection Molding

BMW Ups Its Stake in Composites
BMW installs huge vertical press for thermoset HP-RTM. More (+)
Machine-Hour Rates Report Awaits Your Participation
We still need some more survey respondents in order to publish the next report in October. More (+)

MOST RECENT CONTENT: Injection Molding

Custom Molding Hourly Rates—It’s Up to You Now

  Are you as eager as I am to see average machine-hour rates for custom injection molding, broken out by machine size, region of the country, and with or without operator or profit included?

Former Hoover vacuum injection molding plant on the block

Why did the “Largest Injection Molding Manufacturing Plant West of the Mississippi” wind up on the auction block?

AUXILIARY EQUIPMENT: Barrel Inlay Provides Enhanced Wear, Corrosion Resistance

Higher chromium content is the key.

Let’s Talk: For Injection Molders Only

Get your abstracts in for the Molding 2015 Conference.

TOOLING: Mold Simulation Software Gains Speed & New Functionality

Enhancements in simulating conformal cooling, hot runners, MuCell foaming, shrink/warp, and fiber reinforcements.

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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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