Processing Machinery
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PLA Color Masterbatch Matching
Fenómeno del problema
After PLA coloring, the color drifts between batches, and degradation darkens the hue
Análisis de la causa
PLA coloring needs a compatible carrier color masterbatch; processing temperature and degradation degree change the matrix hue; transparent PLA has high requirements for color masterbatch purity; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solución
①Select a PLA-compatible carrier color masterbatch; ②Lock temperature and drying parameters to stabilize the hue; ③Verify color masterbatch purity for transparent parts; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PLA coloring stability relies on parameter locking; fluctuations in degradation degree directly manifest as hue drift; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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