Injection Know How

best practices 1 Nov 2021

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.

sustainability 29 Oct 2021

Rethinking Regrind

Regrind and recycled material are often requisite in projects these days, but for many molders, the “R” word triggers painful memories.

best practices 22 Jun 2021

Secrets of Quick Part-to-Part Changeovers

Part-to-part changeovers can be fast only with proper advance planning. Here’s what you need to know to convert from sluggish to swift in job changes.

Injection Molding 26 May 2021

Apply the Power of a Troubleshooting Checklist to Your Process

Pocket guides provide processors an injection molding “crib sheet,” but in a process with thousands of interactions, applying if-this/then-that logic can’t always get you to a problem’s root cause.

Injection Molding 16 Apr 2021

The Difference Between Knit and Meld Lines--and Why It Matters

In many part designs, flow fronts will inevitably be split, but how and where they come back together is hugely important to the molded part’s finished strength.

best practices 23 Mar 2021

Consider the Cushion When Seeking Shot-to-Shot Consistency

Creating and maintaining a consistent cushion is a key step in achieving shot-to-shot consistency. Learn what cushion is and how it affects part quality.

monitoring 7 Jan 2025

Process Monitoring or Production Monitoring—Why Not Both?

Molders looking to both monitor an injection molding process effectively and manage production can definitely do both with tools available today, but the question is how best to tackle these twin challenges.

processing tips 24 Nov 2020

The Importance of Gauging Residence-Time Distribution—Part 2

Each molecule in the molded product can have a different residence time. This variance is reflected in the Residence-Time Distribution, which you can learn how to determine below.