Molds & Tooling
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Internal shrinkage porosity in TPU thick-walled products
Fenómeno del problema
The central part of the thick-walled parts is loose or has voids
Análisis de la causa
The center cools slowly, the feeding runner solidifies too early
Solución
Optimize the gate position and size, extend the holding pressure, increase the pressure
Conclusión clave
Internal quality of thick-walled parts is a technical difficulty
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