Hot Runners

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Published: 1/1/2008

Combo Valve- and Side-Gate System for Small Parts
Valve gating and side gating are combined in a new compact hot-runner system from Heitec in Germany (represented here by Technoject Machinery Corp., Bolton, Ont.). It's designed for molding precision medical and optical components, including small t...

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

PET Preform Tooling Raises Productivity
A new PET preform mold that reportedly improves quality and lowers cycle time comes from MHT America, Inc., Woodbridge, Va.

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.

Published: 12/1/2007

Hot-Runner Nozzle Heater Is Precise and Uniform
New Thermasleeve external nozzle heaters from Watlow, St.

Published: 11/1/2007

Hot Runners for Crate Molders
A new hot-runner system is designed specifically for crate molders, who often use recycled materials that may contain contaminants.

Published: 10/1/2007

New Tunnel Gates Ensure High Part Surface Quality
A new line of tunnel gates designed to ensure high part surface quality comes from Hasco America Inc., Arden, N.C.

Published: 9/1/2007

New Mold Components to Debut at K 2007
Several new injection mold components have been introduced by D-M-E Co., Madison Heights, Mich., and will also be highlighted at the K 2007 show in Dusseldorf next month: Off-the-shelf packages of helicalgear devices for stack-mold centering that si...

Published: 8/1/2007

Valve-Gate Controller For Small Parts
New valve-gate controllers for small precision parts use solid-state timers and relays for cost savings and increased operating durability.