Hot Runners
Reduce Part Failure with Melt Delivery Science
The best way to determine when naturally balanced, rheological managed and thermally balanced hot runner solutions are required as a single solution is to examine the science behind each approach.
Read MoreControlling the Melt Delivery System Heat Source
Understanding the heating systems along the melt delivery path is critical to setting up a robust process and properly diagnosing problems.
Read MoreHot Manifold Repair: What’s so Tough about it?
Maintaining a typical hot runner system takes mold maintenance skills to the next level.
Read MoreThe Pellet Enters the Melt Delivery System
Choosing a hot or cold runner system is a decision for the molder and moldmaker that must balance the processing window with budget and time.
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Initial Pellet Contact is the Screw
Here’s what every moldmaker should know about an injection molding machine’s reciprocating screw, which is often misunderstood and applied to the process incorrectly.
Read MoreNo More Cooling Required
Moldmakers and molders can increase mold uptime using today’s cooling-free valve gate actuators.
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Plastic Injection Molding Starts with the Pellet
This is the first article in a new series that will examine the injection molding process by breaking down the path a plastic pellet takes as it is transformed from Pellet 2 Part. It covers what every moldmaker should know about raw materials, including the fundamentals of viscosity curves, Melt Flow Index, Melt Flow Rate, shear and more.
Read MoreUnderstanding Hot Tip Design
Alternative designs are available that will either eliminate or dramatically reduce skewing the flow of plastic.
Read MoreTool Up with Rapid Heat/Cool Technology
A rapid heating and cooling technique using pressurized water solves sink, weld line and discoloration problems.
Read MoreHot Runner Running Efficiently?
Follow these tips to set up your system and keep it running smoothly.
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