Know How - Injection Molding

Exploring the: Know How - Injection Molding Zone

95 Results for: Columns

Sort by:
Published: 7/25/2017

Injection Molding: Time for Another Look at Non-Return Valves
First and foremost, they must seal properly, and check valves with stepped angles or radiused seats perform the best.

Published: 6/27/2017

Injection Molding: Are You Using More Than 65% Of Your Barrel Capacity?
If you are, you are inviting Murphy—as in trouble—to the party.

Published: 5/31/2017

Clamp Tonnage: More Is Better...Right?
Determining the correct tonnage provides a foundation that must be rock-solid to avoid flash and damage. But applying excessive force can create problems with the part, mold, and machine.

Published: 4/25/2017

How to Duplicate a Process From Press to Press
To adopt the right approach you must distinguish between machine and plastic parameters.

Published: 3/24/2017

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.

Published: 2/25/2017

A Simpler Way to Calculate Shot Size vs. Barrel Capacity
Let’s take another look at this seemingly dull but oh-so-crucial topic.

Published: 1/26/2017

Analyze Moisture Before Processing
If you want a stable process and parts that function properly, you must monitor the water content of the resin before molding.

Published: 12/27/2016

Understanding Intensification Ratio
A first step in taking the “art” out of molding.

Published: 11/23/2016

Unraveling the Mysteries of Melt Temperature
Infrared technology can provide consistent and accurate readings of melt temperature. Here’s how to use it.

Published: 10/18/2016

Two-Shot Molding and Tool Design
There are a few variations of the two-shot molding process, and each has implications for tool design.