Injection Molding
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Poor plasticization due to low back pressure in PLA '2079851475616104452
Fenómeno del problema
When the back pressure is insufficient, PLA plasticization is incomplete.
Análisis de la causa
The viscosity of PLA is high, and a certain back pressure is required to ensure plasticization and mixing.
Solución
Set the back pressure at 0.5-1.5MPa; observe the melt temperature and plasticization quality.
Conclusión clave
The PLA back pressure needs to match the melt characteristics.
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