best practices

Understanding the Effect of Pressure Losses on Injection Molded Parts

The compressibility of plastics as a class of materials means the pressure punched into the machine control and the pressure the melt experiences at the end of fill within the mold will be very different. What does this difference mean for process consistency and part quality?

Read More

Improve Production Rates Via Screw Design — Barrier vs. General Purpose vs. Melt Uniformity

I’m looking for a few good molders to help trial a new screw design, and share data and results for a future article to prove the benefits of a melt uniformity screw.

Read More
Packaging

APR Expands Design Guide for Plastics Recyclability With Polypropylene Categories

Six new packaging categories will be eligible for third-party validation of compatibility with North American recycling programs.

Read More
best practices

Avoiding Common Cosmetic Defects in Molded Parts

Identify familiar flaws and then work to eliminate them with these mold and part design tips, and process considerations.

Read More

Is There a More Accurate Means to Calculate Tonnage?

Molders have long used the projected area of the parts and runner to guesstimate how much tonnage is required to mold a part without flash, but there’s a more precise methodology.  

Read More

Where and How to Vent Injection Molds: Part 3

Questioning several “rules of thumb” about venting injection molds.

Read More

Back to Basics on Mold Venting (Part 2: Shape, Dimensions, Details)

Here’s how to get the most out of your stationary mold vents.

Read More
processing tips

Ultrasonic Welding: Tips, Techniques, and Troubleshooting

In this collection of content, we provide expert advice on welding from some of the leading authorities in the field, with tips on such matters as controls, as well as insights on how to solve common problems in welding.

Read More
sustainability

ASTM Standard To Support Sustainable Plastics

Plastics committee is developing a standard to support a circular economy for plastics.

Read More
Tooling Know-How

Back to Basics on Mold Venting (Part 1)

Here’s what you need to know to improve the quality of your parts and to protect your molds.

Read More
Vector Extensometer
ONLINE AUCTION
Purgex: Made in the USA. Trusted Globally.
New 2024 Twin Screw Report
Conveying with Optimizer
large tonnage injection molding productivity
Equipment innovation
ColorStream
Experience the Ultimate