Molds & Tooling
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PLA product warpage
Fenómeno do problema
Products warp and deform after demolding.
Análise das causas
Uneven cooling and uneven crystallization act together; PLA crystallization behavior is temperature sensitive.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solução
① Balance the cooling system; ② uniform mold temperature; ③ optimize holding pressure; ④ improve crystallization uniformity.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PLA warpage must be managed from both cooling and crystallization ends.; 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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