Molds & Tooling
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Gate Design of PLA Products
Fenómeno del problema
Defects in the gate area.
Análisis de la causa
An improper gate causes shear degradation; PLA is sensitive to shear heat.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solución
①Optimize gate form and size; ②Control shear; ③Avoid load-bearing areas; ④Smooth filling.; After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
Gate design affects the PLA degradation risk.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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