Ok, that title might be slightly misleading, because knit lines are essentially impossible to get rid...
What Are Knit Lines in Injection Molding, and How Do You Prevent Them?
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Blog
Going PRO Talent Fund Available in Michigan for 2022!
Good news for our Michigan customers: the Pro Training Grant is on for 2022 and.... wait for it... it...
Injection Molding Night—A FREE SPE and RJG Event
We would like to invite you to join us for an evening of networking, education, and insight. This event...
First Annual RJG Global Mold Smart Award Now Open for Applications
We are thrilled to be hosting our first annual RJG Mold Smart Award to recognize injection molding...
RJG UK Finalists for the Plastic Industry Awards “COVID-19 Business Hero” Award
The saying goes, "Challenges are what make life interesting; overcoming them is what makes life...
The Two Causes of Flash and How to Troubleshoot Them
We know what you're thinking... there are definitely more than two causes of plastic injection molding...
How to Establish a Fill-Only Part in Injection Molding
One of the critical principles of plastic injection molding...
Available Now: CoPilot Valve Gate Control
The CoPilot injection molding process control system now offers valve gate control! Our CoPilot...
How to Change a Nozzle Tip on an Injection Molding Machine
There are many reasons why you would want to change a nozzle tip from damage to maintenance to...
Part Design Considerations for Manufacturability Optimization
Part concept and design are vital elements to the molding process. Because of this, it is highly...
We’re Partnering with Southern Union State Community College
We are excited and honored to partner with Southern Union State Community College (SUSCC) to bring our...
What Is the Difference Between Hydraulic, Specific, and Cavity Pressure?
Not all pressure is created equal. There are various parts of the injection molding machine where we...
The Meaning Behind Our New Brand (And Why We Chose to Change It)
It felt like today would never arrive—the day we launch our new logo and brand we have been so excited...
Why Machine Tonnage Matters and How to Set It Correctly
We often see injection molders running machines with inappropriate tonnage—it's something many people...
How Second Stage Speed Influences Your Process: Part 2
In How Second Stage Speed Influences Your Process: Part 1, we looked at what effects the second stage...
10 Fun Facts About RJG’s History
It's always fun to reflect back on where we came from and see how far we've come, so we thought we'd...
How to Troubleshoot Processes Using Cavity Pressure Sensors
Troubleshooting can take on many meanings for injection molders. All too often they find themselves running to a machine, turning knobs and pushing buttons….
NEW Simulation Support Application Released for The Hub
Our injection molding networking software, The Hub®, now has a new Simulation Support application...
The Pros and Cons of 3 Injection Molding Process Methods
There are several ways to control your injection molding process, but which way is the best? The short...
How to Prevent Sink Marks in Injection Molding
There are a lot of ways to prevent sink marks from occurring in injection molded parts, and understanding how and why they happen is the first step. Here are 5 ways you can prevent sinks from happening in your injection molded parts.