Molds & Tooling 4 Aufrufe

Internal shrinkage porosity in TPU thick-walled products

Problembeschreibung

The central part of the thick-walled parts is loose or has voids

Ursachenanalyse

The center cools slowly, the feeding runner solidifies too early

Lösung

Optimize the gate position and size, extend the holding pressure, increase the pressure

Wichtigste Erkenntnis

Internal quality of thick-walled parts is a technical difficulty

TPU、shrinkage porosity

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