Molds & Tooling
4 görüntüleme
PA6 Flash from Parting Line Wear
Sorun Belirtisi
After a period of use, flash appears at the parting line of the PA6 mold and gradually worsens
Neden Analizi
PA6 low-viscosity melt is sensitive to parting line gaps; after parting line wear or plate deformation the gap enlarges, and melt escapes to form flash that worsens with wear; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Çözüm
Check parting line fit and plate parallelism, and re-fit worn surfaces; appropriately reduce injection pressure, and for machines with insufficient clamping force switch to a larger tonnage; strengthen mold maintenance
Temel Çıkarım
Worsening flash mostly originates from mold condition deterioration, and mold repair is more fundamental than machine adjustment; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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