PT ZONE: Hot Runners

Tooling at NPE: Valve Gates & Multi-Tips Top the News In Hot Runners
There’s no letup in development of sophisticated hot-runner nozzles and controls. Here’s news in these and other tooling products at the show. More (+)
Troubleshooting Material Burning In Hot-Runner Systems
Burns in hot runners can be misleading and hard to diagnose correctly. Follow these tips to track down the root cause of your problem. More (+)


Milacron’s Mold-Masters Business Marks 10 Years In China With Plans to Double Capacity

By the end of 2016, the Milacron subsidiary will have doubled capacity for hot runners and components in Jiangsu, with total headcount approaching 1000.

Slideshow 2015 Milan Plast

Milan Plast Was Good With Plans To Be Even Better

Big international turnout at the triennial international fair for the plastics and rubber industry, Milan Plast: check out the Plastics Technology slideshow.

INJECTION MOLDING: New Premium Hot-Runner Line

All-stainless and cleanroom-ready.

INJECTION MOLDING: Valve-Gate Pin-Speed Programmer

Prevent melt hesitation and air entrapment.

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Hot Runners


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.

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» Purging Compound

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

Product Announcements

INJECTION MOLDING: New Premium Hot-Runner Line
Mold-Masters Limited 3/31/2015
INJECTION MOLDING: Valve-Gate Pin-Speed Programmer
Plastic Engineering & Technical Services, Inc. 3/31/2015
INJECTION MOLDING: New Valve-Gate Controls And Actuators at NPE
Synventive Molding Solutions 2/24/2015
INJECTION MOLDING: Multi-Tip Hot-Runner Nozzles For Tubular Parts
ALBA Enterprises 1/27/2015
INJECTION MOLDING: Pre-Engineered Hot Runners for Economy, Fast Delivery
MHS - Mold Hotrunner Solutions 12/29/2014

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