Blow Molding
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PLA Injection '2079851475616104457 Bottles
Fenómeno del problema
PLA injection-stretch-blow bottles have insufficient heat resistance, or transparency and strength are hard to balance
Análisis de la causa
The PLA injection blow '2079851475616104453 temperature range needs precise control; the heat resistance of bottles depends on crystallinity; transparent bottles have low crystallization and poor heat resistance, crystallized bottles are opaque; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Solución
①Precise control of the injection-stretch-blow process temperature; ②Heat-resistant bottles use heat setting crystallization; ③Transparent bottles accept the heat resistance limits; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Transparency and heat resistance of PLA bottles is an either-or choice; heat setting crystallization is the necessary path for heat-resistant bottles; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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