Injection Molding
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Improper barrel temperature setting of PLA '2079851475616104452 causing degradation
Fenómeno del problema
The barrel temperature is too high, causing PLA degradation and yellowing.
Análisis de la causa
PLA has poor thermal stability; the temperature of each section is set too high, and it degrades rapidly above 200-220°C.
Solución
Set according to a decreasing curve: rear section 160-170°C, middle section 175-185°C, front section 180-190°C.
Conclusión clave
The PLA barrel temperature setting should be conservative.
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