Hot Runners

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Published: 4/1/2008

Hot-Runner Flow Control For Thermal Gates
WEB EXCLUSIVE A new hot-runner flow controller based on pressure rather than temperature was introduced recently by Mold-Masters Ltd., Georgetown, Ont.

Published: 4/1/2008

Hot-Runner Nozzle Upgrades
Value Shot hot-runner nozzles for multicavity applications from Hasco America Inc., Arden, N.C., have been redesigned and upgraded.

Published: 3/1/2008

New Direct Gating for Hot Runners
A drop-in hot-runner system for smaller molds and tips for direct gating were introduced at the K 2007 show in Dusseldorf by the German parent of Ewikon HotRunner Systems of America, East Dundee, Ill.

Published: 2/1/2008

Multi-Drop Hot Runner For PLA Preforms
A high-cavitation hot-runner system designed specifically for molding bottle preforms of biodegradable polylactide (PLA) resins is offered by Husky Injection Molding Systems Ltd., Bolton, Ont.

Published: 2/1/2008

Hot-Runner Nozzles for Small and Cosmetic Parts
WEB EXCLUSIVE.

Published: 1/1/2008

Valve-Gate Nozzles Now Have Internal Mixer
UltraFlow hot-runner nozzles that have an internal mixing system that speeds color changes are now available in valve-gate designs (as well as earlier hot-tip versions) from Husky Injection Molding Systems Ltd., Bolton, Ont.

Published: 1/1/2008

New Source of Valve Gates
Hydraulic or pneumatic valve-gate designs will soon be added to a new line of hot-runner nozzles that are said to improve heat transfer through the nozzle body and into the tip and minimize heat loss to the mold.

Published: 1/1/2008

Nano Nozzles for Ultra-Small Parts
Molding very small parts with engineering resins such as nylon or PBT is the target of the new Nano nozzles from PSG Plastic Service Group Inc., Stevensville, Mich.

Published: 1/1/2008

Electric Valve Gate Is Four Times Faster
A new electric valve-gate actuator is said to move the pins four times faster than conventional designs.

Published: 1/1/2008

First Standard Hot-Runner Nozzle for 'Green' Polymers
A hot-runner nozzle assembly optimized for processing biopolymers such as polylactic acid (PLA) is a new standard offering from D-M-E Co., Madison Heights, Mich.