DME University

Hot Runner Molds With A Vent

Mold With Vent Diagram

This picture represents a plastic resin filling a cavity with a vent. A vent land allows the trapped gases to flow out of the mold cavity, but not the plastic resin filling the cavity. The cavity shape and size, as well as the type of plastic used, determines the vent land dimensions. The vent relief groove is deeper past the vent land.



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