In injection molding, part inserts are commonly used to produce parts.
First, the part inserts are added into the cavity, after that the melt over molds it on one side.
This is why the process is called “Overmolding”.
The advantage of this process is that the materials are connected due to the hot melt by a strong bond.
Gluing of the different parts is unnecessary in this case.
This process is often used with films as part inserts.
It is important to control the process temperatures since a melting of the insert is not or only partially wanted.

Overmolding in Injection Molding


Injection Molding Process: The bicycle helmet is manufactured by overmolding of the PC-Shell with the EPS core.


Related topics:

Gluing

This glossary of plastic industry is provided by PLEXPERT Canada Inc.
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