One of the most basic gates for injection molding is the edge gate.
The gate normally has a rectangular cross-section along the parting line of the mold to connect the runner system with the mold cavity.
The common edge gate is positioned on the side of the cavity.
It can be easily manufactured by a basic machining process such as milling.
The disadvantage of the edge gate is the remaining of the connection of the molded part to the runner after ejection.
Additional mechanical action is needed for separation. Furthermore jetting might occur with this kind of gate.

Edge Gate in Injection Molding


Injection mold: A common edge gate is filling the part from the side


Related topics:

Lapped Edge Gate
Tunnel Gate
Banana Gate

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