Hot Runners

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Published: 4/1/2008

Low-Cost Unitized System Available in U.S.
Unitized hot-runner manifold systems, which don’t require assembly before mounting between retainer plates, are a new offering in North America from PSG Plastic Service Group Inc., Stevensville, Mich.

Published: 4/1/2008

Hot Sprue Bushings For Single Cavities
A new line of externally heated hot sprue bushings and tips made for direct part gating in single cavities comes from DM-E Co., Madison Heights, Mich.

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: 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: 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

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

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: 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

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.