Hot Runners

Exploring the: Hot Runners Zone

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Published: 5/1/2015

Mold Water System Basics

Molder to moldmaker: “If you want the project, you need to hit the targeted tooling costs.” Then oftentimes the moldmaker builds a tool that fits the budget, but does not have the best performance with regards to water. Here are some bas...

Published: 4/8/2015

Common Sense Innovation and Moldmaker Collaboration

As I walked the aisles of NPE last month, taking in all the plastics-related technologies and solutions on display, two obvious trends emerged: logical innovation and moldmaker collaboration.

Published: 4/1/2015

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.

Published: 4/1/2015

Controlling 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.

Published: 4/1/2015

Smart Tooling

Combining cavity sensors with hot runner valve gate control yields new applications and greater process gains.

Published: 3/1/2015

The 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.

Published: 3/1/2015

Hot Manifold Repair: What’s so Tough about it?

Maintaining a typical hot runner system takes mold maintenance skills to the next level.

Published: 2/1/2015

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.

Published: 2/1/2015

No More Cooling Required

Moldmakers and molders can increase mold uptime using today’s cooling-free valve gate actuators.

Published: 1/1/2015

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, inclu...