Exploring the: Hot Runners Zone



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Injection Molding Biopolymers: How to Process Renewable Resins
U.S. injection molders are still pretty green when it comes to processing the new crop of renewably sourced biopolymers. These biologically derived polymers made from PLA, PHA and starch-based resins are attracting growing market interest as materia...
Article Published: 4/1/2009
Unbalanced? No Shortage of Ways to Fix Uneven Filling of Multi-Cavity Molds
The accepted ground rule for balancing melt flow in multi-cavity injection molds is to achieve equal flow distance from the injection point to each cavity.
Article Published: 11/1/2008
Hot-Runner News at K 2007
While a number of exhibitors at the “K” show in Dusseldorf are keeping their new entries under wraps until showtime later this month, some suppliers have released a few details on their new hot-runner components and controls.D-M-E will i...
Article Published: 10/1/2007
Metallic-Pigmented TPO Debuts in Auto Exterior Trim
A molded-in-color, high-gloss, metallic-pigmented TPO wheel flare is making its commercial appearance next month with the launch of the 2008 F-250 Super Duty pick-up truck from the Ford Motor Co.
Article Published: 6/1/2007
Novel Two-Stage Approach Makes Purging Hot Runners a Breeze
Two new and unusual compounds have been developed to ease the challenge of purging injection molding hot-runner systems.
Article Published: 2/1/2007
Get Control Of Flow in the Mold
A novel technology allows injection molders to alter the flow pattern inside the cavity and balance the filling of multiple cavities by means of an external mold adjustment while the tool remains in the press. In this exclusive article, the system's...
Article Published: 2/1/2007
How to Clean a Flashed Hot Manifold-Part Three
We left off last month with all 16 nozzles removed from the manifold (with the tips protected by tape) and still wired to the electric box.
Article Published: 12/1/2006
How to Clean a Flashed Hot Manifold-Part Two
Already a familiar sight on European store shelves, the eye-catching appeal of "IML" is gaining traction among North American injection molders. The latest tooling and automation designs can handle the higher volumes needed here.
Article Published: 11/1/2006
A Custom Molder Takes the Next Step
The question John Winzeler keeps asking is, “How do you take the next step?” In the last two decades, he has transformed the Chicago metal-stamping company he inherited from his father into a high-tech specialty molding business focused ...
Article Published: 8/1/2006
What to See at NPE 2006: Injection Molding
Energy-saving all-electric machines will continue to be a big draw at NPE, where new designs or upgraded models will be found in virtually every press maker’s booth.
Article Published: 6/1/2006

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