Injection Molding
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PETG '2079851475616104452 hot runner leakage
Fenómeno del problema
The PETG hot runner system leaks melt at high temperature, and material overflows.
Análisis de la causa
Hot runner sealing surfaces fit poorly, thermal expansion increases the gap, system pressure high, seals aged.
Solución
Repair the sealing surface fit accuracy; consider thermal expansion and reserve pre-tightening force; reduce system pressure; use high-temperature resistant sealing materials.
Conclusión clave
PETG hot runner leakage needs prevention from mechanical precision and thermal management.
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