Know How - Injection Molding

Exploring the: Know How - Injection Molding Zone

111 Results for: Columns

Sort by:
Published: 2/26/2013

Coping with Weak Weld Lines
Weld lines cause significant reject rates and are a common problem that all molders face.

Published: 1/28/2013

Don’t Ignore Nozzle Temperature Control
It is not a trivial detail.

Published: 12/28/2012

Minimize Screw Recovery & Cycle Times
There are hundreds of details you must identify and control to run a successful molding plant. One that is almost always at the top of the list is optimizing cycle time. Shorter cycles that make acceptable parts improve profits.

Published: 11/28/2012

How to Specify A Resin Dryer
To dry your polymer correctly you need a dryer that is properly designed and working properly. Here are my suggested specifications, for a two-, three- or four-bed desiccant dryer, the most common types used.

Published: 10/26/2012

Top 10 Reasons Why Molders Fail At Implementing ‘Scientific Molding
What is Scientific Molding? And why do molders seem to have such a difficult time embracing its concepts? Here are some thoughts on the matter.

Published: 9/29/2012

Get the Most From Your Tooling
The history and culture of the molding industry has been to pull out every trick possible to work around design, resin, tooling, processing, and testing issues once the mold arrives. It is time to rewrite history.

Published: 8/27/2012

Establish a True ‘24/7’ Production Process
New or existing mold trials need to produce a production-worthy process that will run 24/7.

Published: 7/30/2012

Nozzle Leaks: Why They Occur, How to Detect & Fix Them
Nozzle leaks are a serious problem in injection molding. Here are some causes and remedies.

Published: 6/26/2012

Should You Profile Injection Velocity?
If you can get by with one velocity, use only one, because fill time is easier to reproduce, and it is easier to set up the process.

Published: 5/29/2012

Understanding Polymer Flow: Interpreting the Viscosity Curve
Take the time to do the viscosity curve on new molds. You will learn more in that hour than many learn in years about the process for this tool.