Injection Molding
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PETG '2079851475616104452 hot runner leakage
Fenómeno do problema
The PETG hot runner system leaks melt at high temperature, and material overflows.
Análise das causas
Hot runner sealing surfaces fit poorly, thermal expansion increases the gap, system pressure high, seals aged.
Solução
Repair the sealing surface fit accuracy; consider thermal expansion and reserve pre-tightening force; reduce system pressure; use high-temperature resistant sealing materials.
Conclusão principal
PETG hot runner leakage needs prevention from mechanical precision and thermal management.
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