PT ZONE: Hot Runners

INJECTION MOLDING: Multi-Tip Hot-Runner Nozzles For Tubular Parts
Designed for balanced filling without core bending. More (+)
INJECTION MOLDING: Pre-Engineered Hot Runners for Economy, Fast Delivery
Standard manifold systems in a wide range of configurations. More (+)


MOST RECENT CONTENT: Hot Runners

News in Hot Runners & Tooling At Fakuma 2014

Novelties included variable-pitch manifolds, mold servo controls, 3D printed plastic mold inserts, and flexible/formable cooling channels.

Fixing Hot-Runner Filling Imbalances: Take a Systematic Approach

Jumping right in to try to make a fix without a methodical troubleshooting approach is apt to waste a lot of time and perhaps even make things worse. There is a better way.

INJECTION MOLDING: Hot Runners & Coinjection at Fakuma

Retrofittable coinjection systems and new hot-runner nozzles and controls are just some of the news from Mold-Masters.

Check Out the New PTonline.com

Following the relaunch of our print publication and electronic newsletters, our website has a new, vibrant look now, too.

Hot Runner Running Efficiently?
MoldMaking Technology

Follow these tips to set up your system and keep it running smoothly.

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OVERVIEW:
Hot Runners

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A hot runner system is an assembly of heated components—hot halves, nozzles and gates and—that inject plastic into the cavities of an injection mold. The system usually includes a heated manifold and a number of heated nozzles. The manifold distributes the plastic entering the mold to the nozzles, which then meter it precisely to the injection points in the cavities. The hot runner is equipped with its own temperature control system.


more (+)

» 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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