Article | REF: AM3693 V2

Gas Assisted Injection Molding

Author: Jean-Luc DREYER

Publication date: October 10, 2015

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1. General principles of gas-assisted injection processes

Broadly speaking, there are three main processes:

  • partial filling ;

  • Filling using a feeder;

  • filling, with the material being forced into the sleeve.

But there are also derivative applications

  • filling with mobile core;

  • gas injection for compacting aspect parts ;

  • external gas injection ;

  • injection of hyper-cooled gas;

  • simplified tooling.

But the gas-assisted injection process can also be combined with a number of other processes.

  • compression injection with gas injection ;...

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General principles of gas-assisted injection processes