Injection Molding
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POM gate freezes quickly
Fenómeno do problema
The POM injection gate solidifies too quickly and cannot effectively compensate for shrinkage.
Análise das causas
POM has a high crystallization temperature (about 130°C); the mold temperature is low and the gate area cools and crystallizes quickly.
Solução
Mold temperature 80-120°C to delay crystallization; enlarge the gate; increase the injection speed and temperature.
Conclusão principal
The quick freezing of POM gates needs to be dealt with by high-temperature molds.
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