Molds & Tooling
5 görüntüleme
PVDF Product Warpage
Sorun Belirtisi
The product warps and deforms after demolding.
Neden Analizi
PVDF's high crystallization shrinkage is sensitive to uneven cooling; inconsistent shrinkage across areas causes warpage.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Çözüm
①Balance mold cooling; ②uniform mold temperature; ③optimize the holding pressure curve; ④extend cooling and setting.; After adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PVDF warpage is managed by cooling uniformity; a common problem of highly crystalline materials.; 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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