Blow Molding
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PA6 Blow Molded Container
Problembeschreibung
PA6 hollow blow molded containers have uneven wall thickness and a long molding cycle
Ursachenanalyse
PA6 melt strength is low, parison sag is obvious, and wall thickness control is difficult; slow crystallization cooling makes the molding cycle long; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
Select '2079851475616104457 grade high-viscosity grades; parison wall thickness programmed control to compensate sag; strong mold cooling to shorten the cycle; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
PA6 '2079851475616104457 relies on high-viscosity grades plus parison programmed control to solve sag; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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