John Bozzelli

John Bozzelli Founder

Home In on These Six Variables to Monitor Molding

There are hundreds of variables in molding, but focusing on these six will help you make consistent parts.  

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

The Importance of Hot Nozzle-Tip Mating Against a Cold Sprue Bushing

Done improperly, the result is a cold slug in the nozzle/sprue and a production stop. But there is a better way.

Read More

Time to Swap Out Those General-Purpose Injection Nozzle Tips

Still the standard in the industry, GP nozzle tips can cause a myriad of problems for molders. There are alternatives out there that should be examined.

Read More

21 Tips to Slash Energy Costs in Molding

This checklist can provide injection molders a good starting point on the path to reduced energy consumption and can generate some money savings on that journey.  

Read More
Tooling Know-How

What’s Controlling Your Cycle Time? Part 2

Follow these mold-cooling guidelines to maximize your profits.

Read More
Tooling

What’s Controlling Your Cycle Time? Part 1

Follow these guidelines to maximize your profits.

Read More

How Does Your Molding Machine Control Pack Pressure?

It seems some new machines have pack velocity issues, as machine builders are confusing processors with controllers that are more complicated than they need to be and less user-friendly.

Read More

Improve Quality & Productivity With Advanced Screw Design

Most molders are still running with screw designs that haven’t changed much in 30 years. But they don’t need to.  

Read More

Injection Molding: Understand the Link Between Feed Throat Temperature & Bridging

Save time and money by properly controlling the feed-throat temperature. In some cases—but not all—it can help you solve a bridging problem.

Read More

How to Know When Your Process is Ready to Make Acceptable Parts

Focus on six key metrics to help you determine when a process is lined out and stable enough to start production. 

Read More

Use This Check List to Get Your Machine Properly Installed

Whether you bought a new machine or one that’s been refurbished, you need to prepare for installation so that it can be executed as seamlessly as feasible. Here some advice.

Read More
We ❤ Powders
Elevate your PET sorting
Gardner Business Media, Inc.
Purgex: Made in the USA. Trusted Globally.
Guill - World Leader in Extrusion Tooling
chemical foaming agents for molding and extrusion
Shibaura Machine Industrial IoT machiNetCloud
TD-Series Desiccant Dryers
Elevate your PET sorting