Tooling

best practices

Tooling: Why Ejector Pins Break and How to Prevent It, Part 3

Here we focus on forces, friction, surface finish, and lubrication.

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Injection Molding: Sliding vs. Locking Ring—Which Non-Return Valve Is Right for You?

The locking-ring style appears to dominate the market, as most believe it makes a make a better seal and leaks less. But is this really so?

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best practices

Tooling: Why Ejector Pins Break And How to Prevent It, Part 2

Here’s the when and how to reduce the unsupported length of pins.

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Molds & Tooling

Collaborative Mold Design Experiment Based on Clariant's Color Trends

Mold texture specialist and Clariant investigate interaction of social trends, color and textures. 

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NPE

Hot Runners: Single Valve Gate System Features Compact Profile

By doubling as a locating ring and housing all the mechanics internally, a new valve-gate system greatly reduces mold-height requirements.

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NPE

Hot Runners: Pre-Assembled, Pre-Wired Hot Runners Offer Installation Without Pre-heating

Hot runner system’s nozzles promise a consistent thermal profile and wide molding window without the risk of polymer leakage or accidental cold condition starting.

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best practices

Tooling: Why Ejector Pins Break...and How to Prevent It, Part 1

In part one of this four-part series, we focus on the molding machine and the ejection system as culprits.

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Mold Simulation

New Webinar: How to Use Simulation to Reduce Material and Part Cost

Register for this free webinar on reducing downstream risk through injection molding simulation software. (Sponsored Content)

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An Engineering Approach to Mold-Cooling Circuit Design

The Energy Density vs. ΔT/in. relationship is an important step forward in pursuit of a science-based approach to cooling-circuit design. Here’s why.

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Tooling: Clamp Pressure & Cavity Land Area, Part 2

What you need to know to prevent flashing and mold damage.

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Blending & Dosing