Vent Insert Design

Modified on Sunday, 01 February 2015 04:59 PM by mpieler — Categorized as: Extrusion Hints

Vent insert design
Vol. 17 #3, Dec. 1990

Vent "bleeding" vs. vent flow can be from poor vent insert design. If all of the edges of the vent opening at the barrel are sharp with no downstream undercuts, the melt will be scraped off a little at a time eventually clogging the vent opening.

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