Molds & Tooling
4 görüntüleme
PBT product black specks
Sorun Belirtisi
Black specks appear in products.
Neden Analizi
Carbonized material in barrel and hot runner dead corners falls off; material contamination.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first when troubleshooting
Çözüm
①Thorough cleaning; ②shorten residence; ③regularly disassemble and inspect the hot runner; ④strengthen material management.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Black specks point to equipment cleanliness; regular machine cleaning is institutionalized.; 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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