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INJECTION: First to Second Stage Transfer: Should There Be ‘Bounce-Back’?
How much screw ‘jumping’ or bounce-back can your process tolerate? The answer is no surprise: It depends
Columns Published: 1/27/2015
Injection Molding Know How, Live
Upcoming training by Plastics Technology's Injection Molding Know How columnist, John Bozzelli, will walk injection molders through new tool process development via scientific molding.
Blog Published: 1/20/2015
INJECTION MOLDING: Another Way to Deal with Regrind
You can run into a lot of problems molding parts from a blend of regrind and virgin material. Might you be better off using 100% regrind?
Columns Published: 12/29/2014
High-Pressure Water: A New Concept for Screw Cleaning
Everyone in a molding plant is on the same page for screw cleaning: Avoid pulling it until there is no alternative. Here are ways for dealing with the inevitable, including an altogether new technique.
Columns Published: 11/24/2014
INJECTION MOLDING: How to Tell If Your Non-Return Valve Is Leaking
Check valves are potentially troublesome devices. Here’s how to find out if yours is behaving properly.
Columns Published: 10/23/2014
INJECTION MOLDING: How Does Your Machine Control Pack Velocity?
You’ll need to find out in order to develop a molding process that you can repeat from machine to machine and mold to mold.
Columns Published: 9/22/2014
INJECTION MOLDING: The Importance of Nominal Wall For Lightweighting Molded Parts
Establishing a nominal wall is one of the most important decisions an engineer makes when designing parts. Understanding how design changes will impact the manufacturing process is critical to ensure the part performs as expected.
Columns Published: 8/25/2014