Know-How
How to Pick, Remove, and Replace a Nozzle Tip
This small component can cause big problems. Here’s my procedure for picking and replacing yours.
Read More
The Need for Generalists: Part 3
In failure analysis, there is a tendency to gravitate to a few common test protocols. But this approach can result in a mismatch of techniques to the problem.
Read More
15 Things to Know About Servo-Driven Injection Machines
Drive technology for injection molding machines has been continuously evolving, and servo motors have become widely used in a variety of roles. Here’s what molders need to know about today’s servo drives in terms of cost, performance, maintenance, and training.
Read More
What You Need to Know About Locating Rings: Part 1
Selecting the right locating ring and putting it to good use takes a lot of thought.
Read More
Extruding with Fillers
You can use the reference point from processing unfilled polymer to determine whether you can run filled resin on your current system.
Read More
Hitting the Numbers, Part 2: The Shrinkage Factor
The shrinkage factor is one of the most critical numbers to hit.
Read More
Don’t Build In Melt-Temperature Variations
It’s not unusual for polymer to exit the extruder with a uniform melt temperature, only to be fouled up by downstream flow pipes and the like. Here’s how to avoid this.
Read More
The Need for Generalists, Part 2
Problem-solving requires a team that combines people having academic credentials with others who have hands-on experience.
Read More
Plastics Technology’s Most Popular Know How Columns in 2016
Temperature, pressure and time ultimately dictate plastics processing so it鈥檚 not surprising that Know How columns from industry experts on these topics are consistently among the most popular on our site.
Read More
How to Collect & Interpret Process Data in Extrusion
The first installment of this three-part series focuses on proper use of a data- acquisition system.
Read More
